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[openwrt/staging/dedeckeh.git] / target / linux / brcm2708 / patches-4.4 / 0051-BCM2708-Add-core-Device-Tree-support.patch
1 From c159387861a9b3e1b0f9fe12d6afe06f0cb8994d Mon Sep 17 00:00:00 2001
2 From: notro <notro@tronnes.org>
3 Date: Wed, 9 Jul 2014 14:46:08 +0200
4 Subject: [PATCH 051/423] BCM2708: Add core Device Tree support
5
6 Add the bare minimum needed to boot BCM2708 from a Device Tree.
7
8 Signed-off-by: Noralf Tronnes <notro@tronnes.org>
9
10 BCM2708: DT: change 'axi' nodename to 'soc'
11
12 Change DT node named 'axi' to 'soc' so it matches ARCH_BCM2835.
13 The VC4 bootloader fills in certain properties in the 'axi' subtree,
14 but since this is part of an upstreaming effort, the name is changed.
15
16 Signed-off-by: Noralf Tronnes notro@tronnes.org
17
18 BCM2708_DT: Correct length of the peripheral space
19
20 Use dts-dirs feature for overlays.
21
22 The kernel makefiles have a dts-dirs target that is for vendor subdirectories.
23
24 Using this fixes the install_dtbs target, which previously did not install the overlays.
25
26 BCM270X_DT: configure I2S DMA channels
27
28 Signed-off-by: Matthias Reichl <hias@horus.com>
29
30 BCM270X_DT: switch to bcm2835-i2s
31
32 I2S soundcard drivers with proper devicetree support (i.e. not linking
33 to the cpu_dai/platform via name but to cpu/platform via of_node)
34 will work out of the box without any modifications.
35
36 When the kernel is compiled without devicetree support the platform
37 code will instantiate the bcm2708-i2s driver and I2S soundcard drivers
38 will link to it via name, as before.
39
40 Signed-off-by: Matthias Reichl <hias@horus.com>
41
42 SDIO-overlay: add poll_once-boolean parameter
43
44 Add paramter to toggle sdio-device-polling
45 done every second or once at boot-time.
46
47 Signed-off-by: Patrick Boettcher <patrick.boettcher@posteo.de>
48
49 BCM270X_DT: Make mmc overlay compatible with current firmware
50
51 The original DT overlay logic followed a merge-then-patch procedure,
52 i.e. parameters are applied to the loaded overlay before the overlay
53 is merged into the base DTB. This sequence has been changed to
54 patch-then-merge, in order to support parameterised node names, and
55 to protect against bad overlays. As a result, overrides (parameters)
56 must only target labels in the overlay, but the overlay can obviously target nodes in the base DTB.
57
58 mmc-overlay.dts (that switches back to the original mmc sdcard
59 driver) is the only overlay violating that rule, and this patch
60 fixes it.
61
62 bcm270x_dt: Use the sdhost MMC controller by default
63
64 The "mmc" overlay reverts to using the other controller.
65
66 squash: Add cprman to dt
67
68 BCM270X_DT: Use clk_core for I2C interfaces
69 ---
70 arch/arm/boot/dts/Makefile | 30 +
71 arch/arm/boot/dts/bcm2708-rpi-b-plus.dts | 145 +++++
72 arch/arm/boot/dts/bcm2708-rpi-b.dts | 135 +++++
73 arch/arm/boot/dts/bcm2708-rpi-cm.dts | 102 ++++
74 arch/arm/boot/dts/bcm2708-rpi-cm.dtsi | 40 ++
75 arch/arm/boot/dts/bcm2708.dtsi | 40 ++
76 arch/arm/boot/dts/bcm2708_common.dtsi | 347 +++++++++++
77 arch/arm/boot/dts/bcm2709-rpi-2-b.dts | 145 +++++
78 arch/arm/boot/dts/bcm2709.dtsi | 102 ++++
79 arch/arm/boot/dts/bcm2835-rpi-cm.dts | 93 +++
80 arch/arm/boot/dts/bcm2835-rpi-cm.dtsi | 30 +
81 arch/arm/boot/dts/overlays/Makefile | 69 +++
82 arch/arm/boot/dts/overlays/README | 648 +++++++++++++++++++++
83 arch/arm/boot/dts/overlays/ads7846-overlay.dts | 83 +++
84 .../dts/overlays/bmp085_i2c-sensor-overlay.dts | 23 +
85 arch/arm/boot/dts/overlays/dht11-overlay.dts | 39 ++
86 arch/arm/boot/dts/overlays/enc28j60-overlay.dts | 50 ++
87 .../boot/dts/overlays/gpio-poweroff-overlay.dts | 34 ++
88 .../boot/dts/overlays/hifiberry-amp-overlay.dts | 39 ++
89 .../boot/dts/overlays/hifiberry-dac-overlay.dts | 34 ++
90 .../dts/overlays/hifiberry-dacplus-overlay.dts | 39 ++
91 .../boot/dts/overlays/hifiberry-digi-overlay.dts | 39 ++
92 arch/arm/boot/dts/overlays/hy28a-overlay.dts | 87 +++
93 arch/arm/boot/dts/overlays/hy28b-overlay.dts | 142 +++++
94 arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts | 55 ++
95 arch/arm/boot/dts/overlays/i2s-mmap-overlay.dts | 13 +
96 arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts | 39 ++
97 .../boot/dts/overlays/iqaudio-dacplus-overlay.dts | 39 ++
98 arch/arm/boot/dts/overlays/lirc-rpi-overlay.dts | 57 ++
99 .../arm/boot/dts/overlays/mcp2515-can0-overlay.dts | 69 +++
100 .../arm/boot/dts/overlays/mcp2515-can1-overlay.dts | 69 +++
101 arch/arm/boot/dts/overlays/mmc-overlay.dts | 39 ++
102 arch/arm/boot/dts/overlays/mz61581-overlay.dts | 111 ++++
103 arch/arm/boot/dts/overlays/piscreen-overlay.dts | 96 +++
104 .../dts/overlays/pitft28-resistive-overlay.dts | 115 ++++
105 arch/arm/boot/dts/overlays/pps-gpio-overlay.dts | 34 ++
106 arch/arm/boot/dts/overlays/pwm-2chan-overlay.dts | 46 ++
107 arch/arm/boot/dts/overlays/pwm-overlay.dts | 42 ++
108 arch/arm/boot/dts/overlays/raspidac3-overlay.dts | 45 ++
109 arch/arm/boot/dts/overlays/rpi-dac-overlay.dts | 34 ++
110 arch/arm/boot/dts/overlays/rpi-display-overlay.dts | 82 +++
111 arch/arm/boot/dts/overlays/rpi-ft5406-overlay.dts | 17 +
112 arch/arm/boot/dts/overlays/rpi-proto-overlay.dts | 39 ++
113 arch/arm/boot/dts/overlays/rpi-sense-overlay.dts | 47 ++
114 arch/arm/boot/dts/overlays/sdhost-overlay.dts | 29 +
115 arch/arm/boot/dts/overlays/sdio-overlay.dts | 32 +
116 arch/arm/boot/dts/overlays/smi-dev-overlay.dts | 18 +
117 arch/arm/boot/dts/overlays/smi-nand-overlay.dts | 69 +++
118 arch/arm/boot/dts/overlays/smi-overlay.dts | 37 ++
119 .../boot/dts/overlays/spi-gpio35-39-overlay.dts | 31 +
120 arch/arm/boot/dts/overlays/tinylcd35-overlay.dts | 216 +++++++
121 arch/arm/boot/dts/overlays/uart1-overlay.dts | 38 ++
122 arch/arm/boot/dts/overlays/vga666-overlay.dts | 30 +
123 arch/arm/boot/dts/overlays/w1-gpio-overlay.dts | 39 ++
124 .../boot/dts/overlays/w1-gpio-pullup-overlay.dts | 41 ++
125 55 files changed, 4203 insertions(+)
126 create mode 100644 arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
127 create mode 100644 arch/arm/boot/dts/bcm2708-rpi-b.dts
128 create mode 100755 arch/arm/boot/dts/bcm2708-rpi-cm.dts
129 create mode 100644 arch/arm/boot/dts/bcm2708-rpi-cm.dtsi
130 create mode 100644 arch/arm/boot/dts/bcm2708.dtsi
131 create mode 100644 arch/arm/boot/dts/bcm2708_common.dtsi
132 create mode 100644 arch/arm/boot/dts/bcm2709-rpi-2-b.dts
133 create mode 100644 arch/arm/boot/dts/bcm2709.dtsi
134 create mode 100644 arch/arm/boot/dts/bcm2835-rpi-cm.dts
135 create mode 100644 arch/arm/boot/dts/bcm2835-rpi-cm.dtsi
136 create mode 100644 arch/arm/boot/dts/overlays/Makefile
137 create mode 100644 arch/arm/boot/dts/overlays/README
138 create mode 100644 arch/arm/boot/dts/overlays/ads7846-overlay.dts
139 create mode 100644 arch/arm/boot/dts/overlays/bmp085_i2c-sensor-overlay.dts
140 create mode 100644 arch/arm/boot/dts/overlays/dht11-overlay.dts
141 create mode 100644 arch/arm/boot/dts/overlays/enc28j60-overlay.dts
142 create mode 100644 arch/arm/boot/dts/overlays/gpio-poweroff-overlay.dts
143 create mode 100644 arch/arm/boot/dts/overlays/hifiberry-amp-overlay.dts
144 create mode 100644 arch/arm/boot/dts/overlays/hifiberry-dac-overlay.dts
145 create mode 100644 arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts
146 create mode 100644 arch/arm/boot/dts/overlays/hifiberry-digi-overlay.dts
147 create mode 100644 arch/arm/boot/dts/overlays/hy28a-overlay.dts
148 create mode 100644 arch/arm/boot/dts/overlays/hy28b-overlay.dts
149 create mode 100644 arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
150 create mode 100644 arch/arm/boot/dts/overlays/i2s-mmap-overlay.dts
151 create mode 100644 arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts
152 create mode 100644 arch/arm/boot/dts/overlays/iqaudio-dacplus-overlay.dts
153 create mode 100644 arch/arm/boot/dts/overlays/lirc-rpi-overlay.dts
154 create mode 100755 arch/arm/boot/dts/overlays/mcp2515-can0-overlay.dts
155 create mode 100644 arch/arm/boot/dts/overlays/mcp2515-can1-overlay.dts
156 create mode 100644 arch/arm/boot/dts/overlays/mmc-overlay.dts
157 create mode 100644 arch/arm/boot/dts/overlays/mz61581-overlay.dts
158 create mode 100644 arch/arm/boot/dts/overlays/piscreen-overlay.dts
159 create mode 100644 arch/arm/boot/dts/overlays/pitft28-resistive-overlay.dts
160 create mode 100644 arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
161 create mode 100644 arch/arm/boot/dts/overlays/pwm-2chan-overlay.dts
162 create mode 100644 arch/arm/boot/dts/overlays/pwm-overlay.dts
163 create mode 100644 arch/arm/boot/dts/overlays/raspidac3-overlay.dts
164 create mode 100644 arch/arm/boot/dts/overlays/rpi-dac-overlay.dts
165 create mode 100644 arch/arm/boot/dts/overlays/rpi-display-overlay.dts
166 create mode 100644 arch/arm/boot/dts/overlays/rpi-ft5406-overlay.dts
167 create mode 100644 arch/arm/boot/dts/overlays/rpi-proto-overlay.dts
168 create mode 100644 arch/arm/boot/dts/overlays/rpi-sense-overlay.dts
169 create mode 100644 arch/arm/boot/dts/overlays/sdhost-overlay.dts
170 create mode 100644 arch/arm/boot/dts/overlays/sdio-overlay.dts
171 create mode 100644 arch/arm/boot/dts/overlays/smi-dev-overlay.dts
172 create mode 100644 arch/arm/boot/dts/overlays/smi-nand-overlay.dts
173 create mode 100644 arch/arm/boot/dts/overlays/smi-overlay.dts
174 create mode 100644 arch/arm/boot/dts/overlays/spi-gpio35-39-overlay.dts
175 create mode 100644 arch/arm/boot/dts/overlays/tinylcd35-overlay.dts
176 create mode 100644 arch/arm/boot/dts/overlays/uart1-overlay.dts
177 create mode 100644 arch/arm/boot/dts/overlays/vga666-overlay.dts
178 create mode 100644 arch/arm/boot/dts/overlays/w1-gpio-overlay.dts
179 create mode 100644 arch/arm/boot/dts/overlays/w1-gpio-pullup-overlay.dts
180
181 --- a/arch/arm/boot/dts/Makefile
182 +++ b/arch/arm/boot/dts/Makefile
183 @@ -1,5 +1,25 @@
184 ifeq ($(CONFIG_OF),y)
185
186 +dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b.dtb
187 +dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-b-plus.dtb
188 +dtb-$(CONFIG_ARCH_BCM2708) += bcm2708-rpi-cm.dtb
189 +dtb-$(CONFIG_ARCH_BCM2835) += bcm2835-rpi-cm.dtb
190 +dtb-$(CONFIG_ARCH_BCM2709) += bcm2709-rpi-2-b.dtb
191 +
192 +# Raspberry Pi
193 +ifeq ($(CONFIG_ARCH_BCM2708),y)
194 + RPI_DT_OVERLAYS=y
195 +endif
196 +ifeq ($(CONFIG_ARCH_BCM2709),y)
197 + RPI_DT_OVERLAYS=y
198 +endif
199 +ifeq ($(CONFIG_ARCH_BCM2835),y)
200 + RPI_DT_OVERLAYS=y
201 +endif
202 +ifeq ($(RPI_DT_OVERLAYS),y)
203 + dts-dirs += overlays
204 +endif
205 +
206 dtb-$(CONFIG_ARCH_ALPINE) += \
207 alpine-db.dtb
208 dtb-$(CONFIG_MACH_ASM9260) += \
209 @@ -777,10 +797,20 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += \
210 mt8127-moose.dtb \
211 mt8135-evbp1.dtb
212 dtb-$(CONFIG_ARCH_ZX) += zx296702-ad1.dtb
213 +
214 +targets += dtbs dtbs_install
215 +targets += $(dtb-y)
216 +
217 endif
218
219 dtstree := $(srctree)/$(src)
220 dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))
221
222 always := $(dtb-y)
223 +subdir-y := $(dts-dirs)
224 clean-files := *.dtb
225 +
226 +# Enable fixups to support overlays on BCM2708 platforms
227 +ifeq ($(RPI_DT_OVERLAYS),y)
228 + DTC_FLAGS ?= -@
229 +endif
230 --- /dev/null
231 +++ b/arch/arm/boot/dts/bcm2708-rpi-b-plus.dts
232 @@ -0,0 +1,145 @@
233 +/dts-v1/;
234 +
235 +#include "bcm2708.dtsi"
236 +
237 +/ {
238 + compatible = "brcm,bcm2708";
239 + model = "Raspberry Pi Model B+";
240 +};
241 +
242 +&gpio {
243 + sdhost_pins: sdhost_pins {
244 + brcm,pins = <48 49 50 51 52 53>;
245 + brcm,function = <4>; /* alt0 */
246 + };
247 +
248 + spi0_pins: spi0_pins {
249 + brcm,pins = <9 10 11>;
250 + brcm,function = <4>; /* alt0 */
251 + };
252 +
253 + spi0_cs_pins: spi0_cs_pins {
254 + brcm,pins = <8 7>;
255 + brcm,function = <1>; /* output */
256 + };
257 +
258 + i2c0_pins: i2c0 {
259 + brcm,pins = <0 1>;
260 + brcm,function = <4>;
261 + };
262 +
263 + i2c1_pins: i2c1 {
264 + brcm,pins = <2 3>;
265 + brcm,function = <4>;
266 + };
267 +
268 + i2s_pins: i2s {
269 + brcm,pins = <18 19 20 21>;
270 + brcm,function = <4>; /* alt0 */
271 + };
272 +};
273 +
274 +&sdhost {
275 + pinctrl-names = "default";
276 + pinctrl-0 = <&sdhost_pins>;
277 + bus-width = <4>;
278 + status = "okay";
279 +};
280 +
281 +&fb {
282 + status = "okay";
283 +};
284 +
285 +&uart0 {
286 + status = "okay";
287 +};
288 +
289 +&spi0 {
290 + pinctrl-names = "default";
291 + pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
292 + cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
293 +
294 + spidev@0{
295 + compatible = "spidev";
296 + reg = <0>; /* CE0 */
297 + #address-cells = <1>;
298 + #size-cells = <0>;
299 + spi-max-frequency = <500000>;
300 + };
301 +
302 + spidev@1{
303 + compatible = "spidev";
304 + reg = <1>; /* CE1 */
305 + #address-cells = <1>;
306 + #size-cells = <0>;
307 + spi-max-frequency = <500000>;
308 + };
309 +};
310 +
311 +&i2c0 {
312 + pinctrl-names = "default";
313 + pinctrl-0 = <&i2c0_pins>;
314 + clock-frequency = <100000>;
315 +};
316 +
317 +&i2c1 {
318 + pinctrl-names = "default";
319 + pinctrl-0 = <&i2c1_pins>;
320 + clock-frequency = <100000>;
321 +};
322 +
323 +&i2c2 {
324 + clock-frequency = <100000>;
325 +};
326 +
327 +&i2s {
328 + #sound-dai-cells = <0>;
329 + pinctrl-names = "default";
330 + pinctrl-0 = <&i2s_pins>;
331 +};
332 +
333 +&random {
334 + status = "okay";
335 +};
336 +
337 +&leds {
338 + act_led: act {
339 + label = "led0";
340 + linux,default-trigger = "mmc0";
341 + gpios = <&gpio 47 0>;
342 + };
343 +
344 + pwr_led: pwr {
345 + label = "led1";
346 + linux,default-trigger = "input";
347 + gpios = <&gpio 35 0>;
348 + };
349 +};
350 +
351 +/ {
352 + __overrides__ {
353 + uart0 = <&uart0>,"status";
354 + uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
355 + i2s = <&i2s>,"status";
356 + spi = <&spi0>,"status";
357 + i2c0 = <&i2c0>,"status";
358 + i2c1 = <&i2c1>,"status";
359 + i2c2_iknowwhatimdoing = <&i2c2>,"status";
360 + i2c0_baudrate = <&i2c0>,"clock-frequency:0";
361 + i2c1_baudrate = <&i2c1>,"clock-frequency:0";
362 + i2c2_baudrate = <&i2c2>,"clock-frequency:0";
363 + core_freq = <&clk_core>,"clock-frequency:0";
364 +
365 + act_led_gpio = <&act_led>,"gpios:4";
366 + act_led_activelow = <&act_led>,"gpios:8";
367 + act_led_trigger = <&act_led>,"linux,default-trigger";
368 +
369 + pwr_led_gpio = <&pwr_led>,"gpios:4";
370 + pwr_led_activelow = <&pwr_led>,"gpios:8";
371 + pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
372 +
373 + audio = <&audio>,"status";
374 + watchdog = <&watchdog>,"status";
375 + random = <&random>,"status";
376 + };
377 +};
378 --- /dev/null
379 +++ b/arch/arm/boot/dts/bcm2708-rpi-b.dts
380 @@ -0,0 +1,135 @@
381 +/dts-v1/;
382 +
383 +#include "bcm2708.dtsi"
384 +
385 +/ {
386 + compatible = "brcm,bcm2708";
387 + model = "Raspberry Pi Model B";
388 +};
389 +
390 +&gpio {
391 + sdhost_pins: sdhost_pins {
392 + brcm,pins = <48 49 50 51 52 53>;
393 + brcm,function = <4>; /* alt0 */
394 + };
395 +
396 + spi0_pins: spi0_pins {
397 + brcm,pins = <9 10 11>;
398 + brcm,function = <4>; /* alt0 */
399 + };
400 +
401 + spi0_cs_pins: spi0_cs_pins {
402 + brcm,pins = <8 7>;
403 + brcm,function = <1>; /* output */
404 + };
405 +
406 + i2c0_pins: i2c0 {
407 + brcm,pins = <0 1>;
408 + brcm,function = <4>;
409 + };
410 +
411 + i2c1_pins: i2c1 {
412 + brcm,pins = <2 3>;
413 + brcm,function = <4>;
414 + };
415 +
416 + i2s_pins: i2s {
417 + brcm,pins = <28 29 30 31>;
418 + brcm,function = <6>; /* alt2 */
419 + };
420 +};
421 +
422 +&sdhost {
423 + pinctrl-names = "default";
424 + pinctrl-0 = <&sdhost_pins>;
425 + bus-width = <4>;
426 + status = "okay";
427 +};
428 +
429 +&fb {
430 + status = "okay";
431 +};
432 +
433 +&uart0 {
434 + status = "okay";
435 +};
436 +
437 +&spi0 {
438 + pinctrl-names = "default";
439 + pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
440 + cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
441 +
442 + spidev@0{
443 + compatible = "spidev";
444 + reg = <0>; /* CE0 */
445 + #address-cells = <1>;
446 + #size-cells = <0>;
447 + spi-max-frequency = <500000>;
448 + };
449 +
450 + spidev@1{
451 + compatible = "spidev";
452 + reg = <1>; /* CE1 */
453 + #address-cells = <1>;
454 + #size-cells = <0>;
455 + spi-max-frequency = <500000>;
456 + };
457 +};
458 +
459 +&i2c0 {
460 + pinctrl-names = "default";
461 + pinctrl-0 = <&i2c0_pins>;
462 + clock-frequency = <100000>;
463 +};
464 +
465 +&i2c1 {
466 + pinctrl-names = "default";
467 + pinctrl-0 = <&i2c1_pins>;
468 + clock-frequency = <100000>;
469 +};
470 +
471 +&i2c2 {
472 + clock-frequency = <100000>;
473 +};
474 +
475 +&i2s {
476 + #sound-dai-cells = <0>;
477 + pinctrl-names = "default";
478 + pinctrl-0 = <&i2s_pins>;
479 +};
480 +
481 +&random {
482 + status = "okay";
483 +};
484 +
485 +&leds {
486 + act_led: act {
487 + label = "led0";
488 + linux,default-trigger = "mmc0";
489 + gpios = <&gpio 16 1>;
490 + };
491 +};
492 +
493 +/ {
494 + __overrides__ {
495 + uart0 = <&uart0>,"status";
496 + uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
497 + i2s = <&i2s>,"status";
498 + spi = <&spi0>,"status";
499 + i2c0 = <&i2c0>,"status";
500 + i2c1 = <&i2c1>,"status";
501 + i2c2_iknowwhatimdoing = <&i2c2>,"status";
502 + i2c0_baudrate = <&i2c0>,"clock-frequency:0";
503 + i2c1_baudrate = <&i2c1>,"clock-frequency:0";
504 + i2c2_baudrate = <&i2c2>,"clock-frequency:0";
505 + core_freq = <&clk_core>,"clock-frequency:0";
506 +
507 + act_led_gpio = <&act_led>,"gpios:4";
508 + act_led_activelow = <&act_led>,"gpios:8";
509 + act_led_trigger = <&act_led>,"linux,default-trigger";
510 +
511 + audio = <&audio>,"status";
512 + watchdog = <&watchdog>,"status";
513 + random = <&random>,"status";
514 + };
515 +};
516 --- /dev/null
517 +++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dts
518 @@ -0,0 +1,102 @@
519 +/dts-v1/;
520 +
521 +#include "bcm2708-rpi-cm.dtsi"
522 +
523 +/ {
524 + model = "Raspberry Pi Compute Module";
525 +};
526 +
527 +&uart0 {
528 + status = "okay";
529 +};
530 +
531 +&gpio {
532 + spi0_pins: spi0_pins {
533 + brcm,pins = <9 10 11>;
534 + brcm,function = <4>; /* alt0 */
535 + };
536 +
537 + spi0_cs_pins: spi0_cs_pins {
538 + brcm,pins = <8 7>;
539 + brcm,function = <1>; /* output */
540 + };
541 +
542 + i2c0_pins: i2c0 {
543 + brcm,pins = <0 1>;
544 + brcm,function = <4>;
545 + };
546 +
547 + i2c1_pins: i2c1 {
548 + brcm,pins = <2 3>;
549 + brcm,function = <4>;
550 + };
551 +
552 + i2s_pins: i2s {
553 + brcm,pins = <18 19 20 21>;
554 + brcm,function = <4>; /* alt0 */
555 + };
556 +};
557 +
558 +&spi0 {
559 + pinctrl-names = "default";
560 + pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
561 + cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
562 +
563 + spidev@0{
564 + compatible = "spidev";
565 + reg = <0>; /* CE0 */
566 + #address-cells = <1>;
567 + #size-cells = <0>;
568 + spi-max-frequency = <500000>;
569 + };
570 +
571 + spidev@1{
572 + compatible = "spidev";
573 + reg = <1>; /* CE1 */
574 + #address-cells = <1>;
575 + #size-cells = <0>;
576 + spi-max-frequency = <500000>;
577 + };
578 +};
579 +
580 +&i2c0 {
581 + pinctrl-names = "default";
582 + pinctrl-0 = <&i2c0_pins>;
583 + clock-frequency = <100000>;
584 +};
585 +
586 +&i2c1 {
587 + pinctrl-names = "default";
588 + pinctrl-0 = <&i2c1_pins>;
589 + clock-frequency = <100000>;
590 +};
591 +
592 +&i2c2 {
593 + clock-frequency = <100000>;
594 +};
595 +
596 +&i2s {
597 + #sound-dai-cells = <0>;
598 + pinctrl-names = "default";
599 + pinctrl-0 = <&i2s_pins>;
600 +};
601 +
602 +&random {
603 + status = "okay";
604 +};
605 +
606 +/ {
607 + __overrides__ {
608 + uart0 = <&uart0>,"status";
609 + uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
610 + i2s = <&i2s>,"status";
611 + spi = <&spi0>,"status";
612 + i2c0 = <&i2c0>,"status";
613 + i2c1 = <&i2c1>,"status";
614 + i2c2_iknowwhatimdoing = <&i2c2>,"status";
615 + i2c0_baudrate = <&i2c0>,"clock-frequency:0";
616 + i2c1_baudrate = <&i2c1>,"clock-frequency:0";
617 + i2c2_baudrate = <&i2c2>,"clock-frequency:0";
618 + core_freq = <&clk_core>,"clock-frequency:0";
619 + };
620 +};
621 --- /dev/null
622 +++ b/arch/arm/boot/dts/bcm2708-rpi-cm.dtsi
623 @@ -0,0 +1,40 @@
624 +#include "bcm2708.dtsi"
625 +
626 +&gpio {
627 + sdhost_pins: sdhost_pins {
628 + brcm,pins = <48 49 50 51 52 53>;
629 + brcm,function = <4>; /* alt0 */
630 + };
631 +};
632 +
633 +&leds {
634 + act_led: act {
635 + label = "led0";
636 + linux,default-trigger = "mmc0";
637 + gpios = <&gpio 47 0>;
638 + };
639 +};
640 +
641 +&sdhost {
642 + pinctrl-names = "default";
643 + pinctrl-0 = <&sdhost_pins>;
644 + bus-width = <4>;
645 + non-removable;
646 + status = "okay";
647 +};
648 +
649 +&fb {
650 + status = "okay";
651 +};
652 +
653 +/ {
654 + __overrides__ {
655 + act_led_gpio = <&act_led>,"gpios:4";
656 + act_led_activelow = <&act_led>,"gpios:8";
657 + act_led_trigger = <&act_led>,"linux,default-trigger";
658 +
659 + audio = <&audio>,"status";
660 + watchdog = <&watchdog>,"status";
661 + random = <&random>,"status";
662 + };
663 +};
664 --- /dev/null
665 +++ b/arch/arm/boot/dts/bcm2708.dtsi
666 @@ -0,0 +1,40 @@
667 +#include "bcm2708_common.dtsi"
668 +
669 +/ {
670 + compatible = "brcm,bcm2708";
671 + model = "BCM2708";
672 +
673 + chosen {
674 + /* No padding required - the boot loader can do that. */
675 + bootargs = "";
676 + };
677 +
678 + soc {
679 + ranges = <0x7e000000 0x20000000 0x01000000>;
680 +
681 + timer@7e003000 {
682 + compatible = "brcm,bcm2835-system-timer";
683 + reg = <0x7e003000 0x1000>;
684 + interrupts = <1 0>, <1 1>, <1 2>, <1 3>;
685 + clock-frequency = <1000000>;
686 + };
687 +
688 + arm-pmu {
689 + compatible = "arm,arm1176-pmu";
690 + };
691 +
692 + gpiomem {
693 + compatible = "brcm,bcm2835-gpiomem";
694 + reg = <0x7e200000 0x1000>;
695 + status = "okay";
696 + };
697 + };
698 +};
699 +
700 +&intc {
701 + compatible = "brcm,bcm2835-armctrl-ic";
702 +};
703 +
704 +&watchdog {
705 + status = "okay";
706 +};
707 --- /dev/null
708 +++ b/arch/arm/boot/dts/bcm2708_common.dtsi
709 @@ -0,0 +1,347 @@
710 +#include "skeleton.dtsi"
711 +
712 +/ {
713 + interrupt-parent = <&intc>;
714 +
715 + aliases {
716 + audio = &audio;
717 + sound = &sound;
718 + soc = &soc;
719 + dma = &dma;
720 + intc = &intc;
721 + watchdog = &watchdog;
722 + random = &random;
723 + mailbox = &mailbox;
724 + gpio = &gpio;
725 + uart0 = &uart0;
726 + sdhost = &sdhost;
727 + i2s = &i2s;
728 + spi0 = &spi0;
729 + i2c0 = &i2c0;
730 + uart1 = &uart1;
731 + mmc = &mmc;
732 + i2c1 = &i2c1;
733 + i2c2 = &i2c2;
734 + usb = &usb;
735 + leds = &leds;
736 + fb = &fb;
737 + vchiq = &vchiq;
738 + thermal = &thermal;
739 + clocks = &clocks;
740 + };
741 +
742 + /* Onboard audio */
743 + audio: audio {
744 + compatible = "brcm,bcm2835-audio";
745 + brcm,pwm-channels = <8>;
746 + status = "disabled";
747 + };
748 +
749 + /* External sound card */
750 + sound: sound {
751 + };
752 +
753 + soc: soc {
754 + compatible = "simple-bus";
755 + #address-cells = <1>;
756 + #size-cells = <1>;
757 +
758 + dma: dma@7e007000 {
759 + compatible = "brcm,bcm2835-dma";
760 + reg = <0x7e007000 0xf00>;
761 + interrupts = <1 16>,
762 + <1 17>,
763 + <1 18>,
764 + <1 19>,
765 + <1 20>,
766 + <1 21>,
767 + <1 22>,
768 + <1 23>,
769 + <1 24>,
770 + <1 25>,
771 + <1 26>,
772 + <1 27>;
773 +
774 + #dma-cells = <1>;
775 + brcm,dma-channel-mask = <0x0f35>;
776 + };
777 +
778 + intc: interrupt-controller@7e00b200 {
779 + compatible = "brcm,bcm2708-armctrl-ic";
780 + reg = <0x7e00b200 0x200>;
781 + interrupt-controller;
782 + #interrupt-cells = <2>;
783 + };
784 +
785 + mailbox: mailbox@7e00b800 {
786 + compatible = "brcm,bcm2835-mbox";
787 + reg = <0x7e00b880 0x40>;
788 + interrupts = <0 1>;
789 + #mbox-cells = <0>;
790 + };
791 +
792 + watchdog: watchdog@7e100000 {
793 + compatible = "brcm,bcm2835-pm-wdt";
794 + reg = <0x7e100000 0x28>;
795 + status = "disabled";
796 + };
797 +
798 + cprman: cprman@7e101000 {
799 + compatible = "brcm,bcm2835-cprman";
800 + #clock-cells = <1>;
801 + reg = <0x7e101000 0x2000>;
802 +
803 + /* CPRMAN derives everything from the platform's
804 + * oscillator.
805 + */
806 + clocks = <&clk_osc>;
807 + status = "disabled";
808 + };
809 +
810 + random: rng@7e104000 {
811 + compatible = "brcm,bcm2835-rng";
812 + reg = <0x7e104000 0x10>;
813 + status = "disabled";
814 + };
815 +
816 + gpio: gpio@7e200000 {
817 + compatible = "brcm,bcm2835-gpio";
818 + reg = <0x7e200000 0xb4>;
819 + interrupts = <2 17>, <2 18>;
820 +
821 + gpio-controller;
822 + #gpio-cells = <2>;
823 +
824 + interrupt-controller;
825 + #interrupt-cells = <2>;
826 + };
827 +
828 + uart0: uart@7e201000 {
829 + compatible = "arm,pl011", "arm,primecell";
830 + reg = <0x7e201000 0x1000>;
831 + interrupts = <2 25>;
832 + clocks = <&clk_uart0 &clk_apb_p>;
833 + clock-names = "uartclk","apb_pclk";
834 + arm,primecell-periphid = <0x00241011>; // For an explanation, see
835 + // https://github.com/raspberrypi/linux/commit/13731d862cf5219216533a3b0de052cee4cc5038
836 + status = "disabled";
837 + };
838 +
839 + sdhost: sdhost@7e202000 {
840 + compatible = "brcm,bcm2835-sdhost";
841 + reg = <0x7e202000 0x100>;
842 + interrupts = <2 24>;
843 + clocks = <&clk_core>;
844 + dmas = <&dma 13>,
845 + <&dma 13>;
846 + dma-names = "tx", "rx";
847 + brcm,pio-limit = <1>;
848 + status = "disabled";
849 + };
850 +
851 + i2s: i2s@7e203000 {
852 + compatible = "brcm,bcm2835-i2s";
853 + reg = <0x7e203000 0x24>,
854 + <0x7e101098 0x08>;
855 +
856 + dmas = <&dma 2>, <&dma 3>;
857 + dma-names = "tx", "rx";
858 + status = "disabled";
859 + };
860 +
861 + spi0: spi@7e204000 {
862 + compatible = "brcm,bcm2835-spi";
863 + reg = <0x7e204000 0x1000>;
864 + interrupts = <2 22>;
865 + clocks = <&clk_core>;
866 + #address-cells = <1>;
867 + #size-cells = <0>;
868 + status = "disabled";
869 + /* the dma channels */
870 + dmas = <&dma 6>, <&dma 7>;
871 + dma-names = "tx", "rx";
872 + /* the chipselects used - <0> means native GPIO
873 + * add more gpios if necessary as <&gpio 6 1>
874 + * (but do not forget to make them output!)
875 + */
876 + cs-gpios = <0>, <0>;
877 + };
878 +
879 + i2c0: i2c@7e205000 {
880 + compatible = "brcm,bcm2708-i2c";
881 + reg = <0x7e205000 0x1000>;
882 + interrupts = <2 21>;
883 + clocks = <&clk_core>;
884 + #address-cells = <1>;
885 + #size-cells = <0>;
886 + status = "disabled";
887 + };
888 +
889 + pwm: pwm@7e20c000 {
890 + compatible = "brcm,bcm2835-pwm";
891 + reg = <0x7e20c000 0x28>;
892 + clocks = <&clk_pwm>;
893 + #pwm-cells = <2>;
894 + status = "disabled";
895 + };
896 +
897 + uart1: uart@7e215040 {
898 + compatible = "brcm,bcm2835-aux-uart", "ns16550";
899 + reg = <0x7e215040 0x40>;
900 + interrupts = <1 29>;
901 + clocks = <&clk_uart1>;
902 + reg-shift = <2>;
903 + no-loopback-test;
904 + status = "disabled";
905 + };
906 +
907 + mmc: mmc@7e300000 {
908 + compatible = "brcm,bcm2835-mmc";
909 + reg = <0x7e300000 0x100>;
910 + interrupts = <2 30>;
911 + clocks = <&clk_mmc>;
912 + dmas = <&dma 11>,
913 + <&dma 11>;
914 + dma-names = "tx", "rx";
915 + status = "disabled";
916 + };
917 +
918 + i2c1: i2c@7e804000 {
919 + compatible = "brcm,bcm2708-i2c";
920 + reg = <0x7e804000 0x1000>;
921 + interrupts = <2 21>;
922 + clocks = <&clk_core>;
923 + #address-cells = <1>;
924 + #size-cells = <0>;
925 + status = "disabled";
926 + };
927 +
928 + i2c2: i2c@7e805000 {
929 + // Beware - this is shared with the HDMI module.
930 + // Careless use may break (really) your display.
931 + // Caveat emptor.
932 + compatible = "brcm,bcm2708-i2c";
933 + reg = <0x7e805000 0x1000>;
934 + interrupts = <2 21>;
935 + clocks = <&clk_core>;
936 + #address-cells = <1>;
937 + #size-cells = <0>;
938 + status = "disabled";
939 + };
940 +
941 + smi: smi@7e600000 {
942 + compatible = "brcm,bcm2835-smi";
943 + reg = <0x7e600000 0x44>, <0x7e1010b0 0x8>;
944 + interrupts = <2 16>;
945 + brcm,smi-clock-source = <6>;
946 + brcm,smi-clock-divisor = <4>;
947 + dmas = <&dma 4>;
948 + dma-names = "rx-tx";
949 + status = "disabled";
950 + };
951 +
952 + usb: usb@7e980000 {
953 + compatible = "brcm,bcm2708-usb";
954 + reg = <0x7e980000 0x10000>,
955 + <0x7e006000 0x1000>;
956 + interrupts = <2 0>,
957 + <1 9>;
958 + };
959 +
960 + firmware: firmware {
961 + compatible = "raspberrypi,bcm2835-firmware";
962 + mboxes = <&mailbox>;
963 + };
964 +
965 + leds: leds {
966 + compatible = "gpio-leds";
967 + };
968 +
969 + fb: fb {
970 + compatible = "brcm,bcm2708-fb";
971 + firmware = <&firmware>;
972 + status = "disabled";
973 + };
974 +
975 + vchiq: vchiq {
976 + compatible = "brcm,bcm2835-vchiq";
977 + reg = <0x7e00b840 0xf>;
978 + interrupts = <0 2>;
979 + cache-line-size = <32>;
980 + firmware = <&firmware>;
981 + };
982 +
983 + thermal: thermal {
984 + compatible = "brcm,bcm2835-thermal";
985 + firmware = <&firmware>;
986 + };
987 + };
988 +
989 + clocks: clocks {
990 + compatible = "simple-bus";
991 + #address-cells = <1>;
992 + #size-cells = <0>;
993 +
994 + clk_core: clock@0 {
995 + compatible = "fixed-clock";
996 + reg = <0>;
997 + #clock-cells = <0>;
998 + clock-output-names = "core";
999 + clock-frequency = <250000000>;
1000 + };
1001 +
1002 + clk_mmc: clock@1 {
1003 + compatible = "fixed-clock";
1004 + reg = <1>;
1005 + #clock-cells = <0>;
1006 + clock-output-names = "mmc";
1007 + clock-frequency = <250000000>;
1008 + };
1009 +
1010 + clk_uart0: clock@2 {
1011 + compatible = "fixed-clock";
1012 + reg = <2>;
1013 + #clock-cells = <0>;
1014 + clock-output-names = "uart0_pclk";
1015 + clock-frequency = <3000000>;
1016 + };
1017 +
1018 + clk_apb_p: clock@3 {
1019 + compatible = "fixed-clock";
1020 + reg = <3>;
1021 + #clock-cells = <0>;
1022 + clock-output-names = "apb_pclk";
1023 + clock-frequency = <126000000>;
1024 + };
1025 +
1026 + clk_pwm: clock@4 {
1027 + compatible = "fixed-clock";
1028 + reg = <4>;
1029 + #clock-cells = <0>;
1030 + clock-output-names = "pwm";
1031 + clock-frequency = <100000000>;
1032 + };
1033 +
1034 + clk_uart1: clock@5 {
1035 + compatible = "fixed-factor-clock";
1036 + reg = <5>;
1037 + clocks = <&clk_core>;
1038 + #clock-cells = <0>;
1039 + clock-div = <1>;
1040 + clock-mult = <2>;
1041 + };
1042 +
1043 + /* The oscillator is the root of the clock tree. */
1044 + clk_osc: clock@6 {
1045 + compatible = "fixed-clock";
1046 + reg = <6>;
1047 + #clock-cells = <0>;
1048 + clock-output-names = "osc";
1049 + clock-frequency = <19200000>;
1050 + };
1051 + };
1052 +
1053 + __overrides__ {
1054 + cache_line_size = <&vchiq>, "cache-line-size:0";
1055 + };
1056 +};
1057 --- /dev/null
1058 +++ b/arch/arm/boot/dts/bcm2709-rpi-2-b.dts
1059 @@ -0,0 +1,145 @@
1060 +/dts-v1/;
1061 +
1062 +#include "bcm2709.dtsi"
1063 +
1064 +/ {
1065 + compatible = "brcm,bcm2709";
1066 + model = "Raspberry Pi 2 Model B";
1067 +};
1068 +
1069 +&gpio {
1070 + sdhost_pins: sdhost_pins {
1071 + brcm,pins = <48 49 50 51 52 53>;
1072 + brcm,function = <4>; /* alt0 */
1073 + };
1074 +
1075 + spi0_pins: spi0_pins {
1076 + brcm,pins = <9 10 11>;
1077 + brcm,function = <4>; /* alt0 */
1078 + };
1079 +
1080 + spi0_cs_pins: spi0_cs_pins {
1081 + brcm,pins = <8 7>;
1082 + brcm,function = <1>; /* output */
1083 + };
1084 +
1085 + i2c0_pins: i2c0 {
1086 + brcm,pins = <0 1>;
1087 + brcm,function = <4>;
1088 + };
1089 +
1090 + i2c1_pins: i2c1 {
1091 + brcm,pins = <2 3>;
1092 + brcm,function = <4>;
1093 + };
1094 +
1095 + i2s_pins: i2s {
1096 + brcm,pins = <18 19 20 21>;
1097 + brcm,function = <4>; /* alt0 */
1098 + };
1099 +};
1100 +
1101 +&sdhost {
1102 + pinctrl-names = "default";
1103 + pinctrl-0 = <&sdhost_pins>;
1104 + bus-width = <4>;
1105 + status = "okay";
1106 +};
1107 +
1108 +&fb {
1109 + status = "okay";
1110 +};
1111 +
1112 +&uart0 {
1113 + status = "okay";
1114 +};
1115 +
1116 +&spi0 {
1117 + pinctrl-names = "default";
1118 + pinctrl-0 = <&spi0_pins &spi0_cs_pins>;
1119 + cs-gpios = <&gpio 8 1>, <&gpio 7 1>;
1120 +
1121 + spidev@0{
1122 + compatible = "spidev";
1123 + reg = <0>; /* CE0 */
1124 + #address-cells = <1>;
1125 + #size-cells = <0>;
1126 + spi-max-frequency = <500000>;
1127 + };
1128 +
1129 + spidev@1{
1130 + compatible = "spidev";
1131 + reg = <1>; /* CE1 */
1132 + #address-cells = <1>;
1133 + #size-cells = <0>;
1134 + spi-max-frequency = <500000>;
1135 + };
1136 +};
1137 +
1138 +&i2c0 {
1139 + pinctrl-names = "default";
1140 + pinctrl-0 = <&i2c0_pins>;
1141 + clock-frequency = <100000>;
1142 +};
1143 +
1144 +&i2c1 {
1145 + pinctrl-names = "default";
1146 + pinctrl-0 = <&i2c1_pins>;
1147 + clock-frequency = <100000>;
1148 +};
1149 +
1150 +&i2c2 {
1151 + clock-frequency = <100000>;
1152 +};
1153 +
1154 +&i2s {
1155 + #sound-dai-cells = <0>;
1156 + pinctrl-names = "default";
1157 + pinctrl-0 = <&i2s_pins>;
1158 +};
1159 +
1160 +&random {
1161 + status = "okay";
1162 +};
1163 +
1164 +&leds {
1165 + act_led: act {
1166 + label = "led0";
1167 + linux,default-trigger = "mmc0";
1168 + gpios = <&gpio 47 0>;
1169 + };
1170 +
1171 + pwr_led: pwr {
1172 + label = "led1";
1173 + linux,default-trigger = "input";
1174 + gpios = <&gpio 35 0>;
1175 + };
1176 +};
1177 +
1178 +/ {
1179 + __overrides__ {
1180 + uart0 = <&uart0>,"status";
1181 + uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
1182 + i2s = <&i2s>,"status";
1183 + spi = <&spi0>,"status";
1184 + i2c0 = <&i2c0>,"status";
1185 + i2c1 = <&i2c1>,"status";
1186 + i2c2_iknowwhatimdoing = <&i2c2>,"status";
1187 + i2c0_baudrate = <&i2c0>,"clock-frequency:0";
1188 + i2c1_baudrate = <&i2c1>,"clock-frequency:0";
1189 + i2c2_baudrate = <&i2c2>,"clock-frequency:0";
1190 + core_freq = <&clk_core>,"clock-frequency:0";
1191 +
1192 + act_led_gpio = <&act_led>,"gpios:4";
1193 + act_led_activelow = <&act_led>,"gpios:8";
1194 + act_led_trigger = <&act_led>,"linux,default-trigger";
1195 +
1196 + pwr_led_gpio = <&pwr_led>,"gpios:4";
1197 + pwr_led_activelow = <&pwr_led>,"gpios:8";
1198 + pwr_led_trigger = <&pwr_led>,"linux,default-trigger";
1199 +
1200 + audio = <&audio>,"status";
1201 + watchdog = <&watchdog>,"status";
1202 + random = <&random>,"status";
1203 + };
1204 +};
1205 --- /dev/null
1206 +++ b/arch/arm/boot/dts/bcm2709.dtsi
1207 @@ -0,0 +1,102 @@
1208 +#include "bcm2708_common.dtsi"
1209 +
1210 +/ {
1211 + compatible = "brcm,bcm2709";
1212 + model = "BCM2709";
1213 +
1214 + chosen {
1215 + /* No padding required - the boot loader can do that. */
1216 + bootargs = "";
1217 + };
1218 +
1219 + soc {
1220 + ranges = <0x7e000000 0x3f000000 0x01000000>,
1221 + <0x40000000 0x40000000 0x00040000>;
1222 +
1223 + local_intc: local_intc {
1224 + compatible = "brcm,bcm2836-l1-intc";
1225 + reg = <0x40000000 0x100>;
1226 + interrupt-controller;
1227 + #interrupt-cells = <1>;
1228 + interrupt-parent = <&local_intc>;
1229 + };
1230 +
1231 + arm-pmu {
1232 + compatible = "arm,cortex-a7-pmu";
1233 + interrupt-parent = <&local_intc>;
1234 + interrupts = <9>;
1235 + };
1236 +
1237 + gpiomem {
1238 + compatible = "brcm,bcm2835-gpiomem";
1239 + reg = <0x7e200000 0x1000>;
1240 + status = "okay";
1241 + };
1242 +
1243 + timer {
1244 + compatible = "arm,armv7-timer";
1245 + clock-frequency = <19200000>;
1246 + interrupt-parent = <&local_intc>;
1247 + interrupts = <0>, // PHYS_SECURE_PPI
1248 + <1>, // PHYS_NONSECURE_PPI
1249 + <3>, // VIRT_PPI
1250 + <2>; // HYP_PPI
1251 + always-on;
1252 + };
1253 +
1254 + syscon@40000000 {
1255 + compatible = "brcm,bcm2836-arm-local", "syscon";
1256 + reg = <0x40000000 0x100>;
1257 + };
1258 + };
1259 +
1260 + cpus: cpus {
1261 + #address-cells = <1>;
1262 + #size-cells = <0>;
1263 +
1264 + v7_cpu0: cpu@0 {
1265 + device_type = "cpu";
1266 + compatible = "arm,cortex-a7";
1267 + reg = <0xf00>;
1268 + clock-frequency = <800000000>;
1269 + };
1270 +
1271 + v7_cpu1: cpu@1 {
1272 + device_type = "cpu";
1273 + compatible = "arm,cortex-a7";
1274 + reg = <0xf01>;
1275 + clock-frequency = <800000000>;
1276 + };
1277 +
1278 + v7_cpu2: cpu@2 {
1279 + device_type = "cpu";
1280 + compatible = "arm,cortex-a7";
1281 + reg = <0xf02>;
1282 + clock-frequency = <800000000>;
1283 + };
1284 +
1285 + v7_cpu3: cpu@3 {
1286 + device_type = "cpu";
1287 + compatible = "arm,cortex-a7";
1288 + reg = <0xf03>;
1289 + clock-frequency = <800000000>;
1290 + };
1291 + };
1292 +
1293 + __overrides__ {
1294 + arm_freq = <&v7_cpu0>, "clock-frequency:0",
1295 + <&v7_cpu1>, "clock-frequency:0",
1296 + <&v7_cpu2>, "clock-frequency:0",
1297 + <&v7_cpu3>, "clock-frequency:0";
1298 + };
1299 +};
1300 +
1301 +&watchdog {
1302 + status = "okay";
1303 +};
1304 +
1305 +&intc {
1306 + compatible = "brcm,bcm2836-armctrl-ic";
1307 + interrupt-parent = <&local_intc>;
1308 + interrupts = <8>;
1309 +};
1310 --- /dev/null
1311 +++ b/arch/arm/boot/dts/bcm2835-rpi-cm.dts
1312 @@ -0,0 +1,93 @@
1313 +/dts-v1/;
1314 +
1315 +#include "bcm2835-rpi-cm.dtsi"
1316 +
1317 +/ {
1318 + model = "Raspberry Pi Compute Module";
1319 +};
1320 +
1321 +&uart0 {
1322 + status = "okay";
1323 +};
1324 +
1325 +&gpio {
1326 + spi0_pins: spi0_pins {
1327 + brcm,pins = <7 8 9 10 11>;
1328 + brcm,function = <4>; /* alt0 */
1329 + };
1330 +
1331 + i2c0_pins: i2c0 {
1332 + brcm,pins = <0 1>;
1333 + brcm,function = <4>;
1334 + };
1335 +
1336 + i2c1_pins: i2c1 {
1337 + brcm,pins = <2 3>;
1338 + brcm,function = <4>;
1339 + };
1340 +
1341 + i2s_pins: i2s {
1342 + brcm,pins = <18 19 20 21>;
1343 + brcm,function = <4>; /* alt0 */
1344 + };
1345 +};
1346 +
1347 +&spi0 {
1348 + pinctrl-names = "default";
1349 + pinctrl-0 = <&spi0_pins>;
1350 +
1351 + spidev@0{
1352 + compatible = "spidev";
1353 + reg = <0>; /* CE0 */
1354 + #address-cells = <1>;
1355 + #size-cells = <0>;
1356 + spi-max-frequency = <500000>;
1357 + };
1358 +
1359 + spidev@1{
1360 + compatible = "spidev";
1361 + reg = <1>; /* CE1 */
1362 + #address-cells = <1>;
1363 + #size-cells = <0>;
1364 + spi-max-frequency = <500000>;
1365 + };
1366 +};
1367 +
1368 +&i2c0 {
1369 + pinctrl-names = "default";
1370 + pinctrl-0 = <&i2c0_pins>;
1371 + clock-frequency = <100000>;
1372 +};
1373 +
1374 +&i2c1 {
1375 + pinctrl-names = "default";
1376 + pinctrl-0 = <&i2c1_pins>;
1377 + clock-frequency = <100000>;
1378 +};
1379 +
1380 +&i2c2 {
1381 + clock-frequency = <100000>;
1382 +};
1383 +
1384 +&i2s {
1385 + #sound-dai-cells = <0>;
1386 + pinctrl-names = "default";
1387 + pinctrl-0 = <&i2s_pins>;
1388 +};
1389 +
1390 +/ {
1391 + __overrides__ {
1392 + uart0 = <&uart0>,"status";
1393 + uart0_clkrate = <&clk_uart0>,"clock-frequency:0";
1394 + uart1_clkrate = <&uart1>,"clock-frequency:0";
1395 + i2s = <&i2s>,"status";
1396 + spi = <&spi0>,"status";
1397 + i2c0 = <&i2c0>,"status";
1398 + i2c1 = <&i2c1>,"status";
1399 + i2c2_iknowwhatimdoing = <&i2c2>,"status";
1400 + i2c0_baudrate = <&i2c0>,"clock-frequency:0";
1401 + i2c1_baudrate = <&i2c1>,"clock-frequency:0";
1402 + i2c2_baudrate = <&i2c2>,"clock-frequency:0";
1403 + core_freq = <&clk_core>,"clock-frequency:0";
1404 + };
1405 +};
1406 --- /dev/null
1407 +++ b/arch/arm/boot/dts/bcm2835-rpi-cm.dtsi
1408 @@ -0,0 +1,30 @@
1409 +#include "bcm2835.dtsi"
1410 +
1411 +&leds {
1412 + act_led: act {
1413 + label = "led0";
1414 + linux,default-trigger = "mmc0";
1415 + gpios = <&gpio 47 0>;
1416 + };
1417 +};
1418 +
1419 +&mmc {
1420 + status = "okay";
1421 + bus-width = <4>;
1422 +};
1423 +
1424 +&fb {
1425 + status = "okay";
1426 +};
1427 +
1428 +/ {
1429 + __overrides__ {
1430 + act_led_gpio = <&act_led>,"gpios:4";
1431 + act_led_activelow = <&act_led>,"gpios:8";
1432 + act_led_trigger = <&act_led>,"linux,default-trigger";
1433 +
1434 + audio = <&audio>,"status";
1435 + watchdog = <&watchdog>,"status";
1436 + random = <&random>,"status";
1437 + };
1438 +};
1439 --- /dev/null
1440 +++ b/arch/arm/boot/dts/overlays/Makefile
1441 @@ -0,0 +1,69 @@
1442 +ifeq ($(CONFIG_OF),y)
1443 +
1444 +# Overlays for the Raspberry Pi platform
1445 +
1446 +ifeq ($(CONFIG_ARCH_BCM2708),y)
1447 + RPI_DT_OVERLAYS=y
1448 +endif
1449 +ifeq ($(CONFIG_ARCH_BCM2709),y)
1450 + RPI_DT_OVERLAYS=y
1451 +endif
1452 +ifeq ($(CONFIG_ARCH_BCM2835),y)
1453 + RPI_DT_OVERLAYS=y
1454 +endif
1455 +
1456 +dtb-$(RPI_DT_OVERLAYS) += ads7846-overlay.dtb
1457 +dtb-$(RPI_DT_OVERLAYS) += bmp085_i2c-sensor-overlay.dtb
1458 +dtb-$(RPI_DT_OVERLAYS) += dht11-overlay.dtb
1459 +dtb-$(RPI_DT_OVERLAYS) += enc28j60-overlay.dtb
1460 +dtb-$(RPI_DT_OVERLAYS) += gpio-poweroff-overlay.dtb
1461 +dtb-$(RPI_DT_OVERLAYS) += hifiberry-amp-overlay.dtb
1462 +dtb-$(RPI_DT_OVERLAYS) += hifiberry-dac-overlay.dtb
1463 +dtb-$(RPI_DT_OVERLAYS) += hifiberry-dacplus-overlay.dtb
1464 +dtb-$(RPI_DT_OVERLAYS) += hifiberry-digi-overlay.dtb
1465 +dtb-$(RPI_DT_OVERLAYS) += hy28a-overlay.dtb
1466 +dtb-$(RPI_DT_OVERLAYS) += hy28b-overlay.dtb
1467 +dtb-$(RPI_DT_OVERLAYS) += i2c-rtc-overlay.dtb
1468 +dtb-$(RPI_DT_OVERLAYS) += i2s-mmap-overlay.dtb
1469 +dtb-$(RPI_DT_OVERLAYS) += iqaudio-dac-overlay.dtb
1470 +dtb-$(RPI_DT_OVERLAYS) += iqaudio-dacplus-overlay.dtb
1471 +dtb-$(RPI_DT_OVERLAYS) += lirc-rpi-overlay.dtb
1472 +dtb-$(RPI_DT_OVERLAYS) += mcp2515-can0-overlay.dtb
1473 +dtb-$(RPI_DT_OVERLAYS) += mcp2515-can1-overlay.dtb
1474 +dtb-$(RPI_DT_OVERLAYS) += mmc-overlay.dtb
1475 +dtb-$(RPI_DT_OVERLAYS) += mz61581-overlay.dtb
1476 +dtb-$(RPI_DT_OVERLAYS) += piscreen-overlay.dtb
1477 +dtb-$(RPI_DT_OVERLAYS) += pitft28-resistive-overlay.dtb
1478 +dtb-$(RPI_DT_OVERLAYS) += pps-gpio-overlay.dtb
1479 +dtb-$(RPI_DT_OVERLAYS) += pwm-overlay.dtb
1480 +dtb-$(RPI_DT_OVERLAYS) += pwm-2chan-overlay.dtb
1481 +dtb-$(RPI_DT_OVERLAYS) += raspidac3-overlay.dtb
1482 +dtb-$(RPI_DT_OVERLAYS) += rpi-dac-overlay.dtb
1483 +dtb-$(RPI_DT_OVERLAYS) += rpi-display-overlay.dtb
1484 +dtb-$(RPI_DT_OVERLAYS) += rpi-ft5406-overlay.dtb
1485 +dtb-$(RPI_DT_OVERLAYS) += rpi-proto-overlay.dtb
1486 +dtb-$(RPI_DT_OVERLAYS) += rpi-sense-overlay.dtb
1487 +dtb-$(RPI_DT_OVERLAYS) += sdhost-overlay.dtb
1488 +dtb-$(RPI_DT_OVERLAYS) += sdio-overlay.dtb
1489 +dtb-$(RPI_DT_OVERLAYS) += smi-dev-overlay.dtb
1490 +dtb-$(RPI_DT_OVERLAYS) += smi-nand-overlay.dtb
1491 +dtb-$(RPI_DT_OVERLAYS) += smi-overlay.dtb
1492 +dtb-$(RPI_DT_OVERLAYS) += spi-gpio35-39-overlay.dtb
1493 +dtb-$(RPI_DT_OVERLAYS) += tinylcd35-overlay.dtb
1494 +dtb-$(RPI_DT_OVERLAYS) += uart1-overlay.dtb
1495 +dtb-$(RPI_DT_OVERLAYS) += vga666-overlay.dtb
1496 +dtb-$(RPI_DT_OVERLAYS) += w1-gpio-overlay.dtb
1497 +dtb-$(RPI_DT_OVERLAYS) += w1-gpio-pullup-overlay.dtb
1498 +
1499 +targets += dtbs dtbs_install
1500 +targets += $(dtb-y)
1501 +
1502 +endif
1503 +
1504 +always := $(dtb-y)
1505 +clean-files := *.dtb
1506 +
1507 +# Enable fixups to support overlays on BCM2708 platforms
1508 +ifeq ($(RPI_DT_OVERLAYS),y)
1509 + DTC_FLAGS ?= -@
1510 +endif
1511 --- /dev/null
1512 +++ b/arch/arm/boot/dts/overlays/README
1513 @@ -0,0 +1,648 @@
1514 +Introduction
1515 +============
1516 +
1517 +This directory contains Device Tree overlays. Device Tree makes it possible
1518 +to support many hardware configurations with a single kernel and without the
1519 +need to explicitly load or blacklist kernel modules. Note that this isn't a
1520 +"pure" Device Tree configuration (c.f. MACH_BCM2835) - some on-board devices
1521 +are still configured by the board support code, but the intention is to
1522 +eventually reach that goal.
1523 +
1524 +On Raspberry Pi, Device Tree usage is controlled from /boot/config.txt. By
1525 +default, the Raspberry Pi kernel boots with device tree enabled. You can
1526 +completely disable DT usage (for now) by adding:
1527 +
1528 + device_tree=
1529 +
1530 +to your config.txt, which should cause your Pi to revert to the old way of
1531 +doing things after a reboot.
1532 +
1533 +In /boot you will find a .dtb for each base platform. This describes the
1534 +hardware that is part of the Raspberry Pi board. The loader (start.elf and its
1535 +siblings) selects the .dtb file appropriate for the platform by name, and reads
1536 +it into memory. At this point, all of the optional interfaces (i2c, i2s, spi)
1537 +are disabled, but they can be enabled using Device Tree parameters:
1538 +
1539 + dtparam=i2c=on,i2s=on,spi=on
1540 +
1541 +However, this shouldn't be necessary in many use cases because loading an
1542 +overlay that requires one of those interfaces will cause it to be enabled
1543 +automatically, and it is advisable to only enable interfaces if they are
1544 +needed.
1545 +
1546 +Configuring additional, optional hardware is done using Device Tree overlays
1547 +(see below).
1548 +
1549 +raspi-config
1550 +============
1551 +
1552 +The Advanced Options section of the raspi-config utility can enable and disable
1553 +Device Tree use, as well as toggling the I2C and SPI interfaces. Note that it
1554 +is possible to both enable an interface and blacklist the driver, if for some
1555 +reason you should want to defer the loading.
1556 +
1557 +Modules
1558 +=======
1559 +
1560 +As well as describing the hardware, Device Tree also gives enough information
1561 +to allow suitable driver modules to be located and loaded, with the corollary
1562 +that unneeded modules are not loaded. As a result it should be possible to
1563 +remove lines from /etc/modules, and /etc/modprobe.d/raspi-blacklist.conf can
1564 +have its contents deleted (or commented out).
1565 +
1566 +Using Overlays
1567 +==============
1568 +
1569 +Overlays are loaded using the "dtoverlay" directive. As an example, consider the
1570 +popular lirc-rpi module, the Linux Infrared Remote Control driver. In the
1571 +pre-DT world this would be loaded from /etc/modules, with an explicit
1572 +"modprobe lirc-rpi" command, or programmatically by lircd. With DT enabled,
1573 +this becomes a line in config.txt:
1574 +
1575 + dtoverlay=lirc-rpi
1576 +
1577 +This causes the file /boot/overlays/lirc-rpi-overlay.dtb to be loaded. By
1578 +default it will use GPIOs 17 (out) and 18 (in), but this can be modified using
1579 +DT parameters:
1580 +
1581 + dtoverlay=lirc-rpi,gpio_out_pin=17,gpio_in_pin=13
1582 +
1583 +Parameters always have default values, although in some cases (e.g. "w1-gpio")
1584 +it is necessary to provided multiple overlays in order to get the desired
1585 +behaviour. See the list of overlays below for a description of the parameters and their defaults.
1586 +
1587 +The Overlay and Parameter Reference
1588 +===================================
1589 +
1590 +N.B. When editing this file, please preserve the indentation levels to make it simple to parse
1591 +programmatically. NO HARD TABS.
1592 +
1593 +
1594 +Name: <The base DTB>
1595 +Info: Configures the base Raspberry Pi hardware
1596 +Load: <loaded automatically>
1597 +Params:
1598 + audio Set to "on" to enable the onboard ALSA audio
1599 + interface (default "off")
1600 +
1601 + i2c_arm Set to "on" to enable the ARM's i2c interface
1602 + (default "off")
1603 +
1604 + i2c_vc Set to "on" to enable the i2c interface
1605 + usually reserved for the VideoCore processor
1606 + (default "off")
1607 +
1608 + i2c An alias for i2c_arm
1609 +
1610 + i2c_arm_baudrate Set the baudrate of the ARM's i2c interface
1611 + (default "100000")
1612 +
1613 + i2c_vc_baudrate Set the baudrate of the VideoCore i2c interface
1614 + (default "100000")
1615 +
1616 + i2c_baudrate An alias for i2c_arm_baudrate
1617 +
1618 + i2s Set to "on" to enable the i2s interface
1619 + (default "off")
1620 +
1621 + spi Set to "on" to enable the spi interfaces
1622 + (default "off")
1623 +
1624 + random Set to "on" to enable the hardware random
1625 + number generator (default "on")
1626 +
1627 + uart0 Set to "off" to disable uart0 (default "on")
1628 +
1629 + watchdog Set to "on" to enable the hardware watchdog
1630 + (default "off")
1631 +
1632 + act_led_trigger Choose which activity the LED tracks.
1633 + Use "heartbeat" for a nice load indicator.
1634 + (default "mmc")
1635 +
1636 + act_led_activelow Set to "on" to invert the sense of the LED
1637 + (default "off")
1638 +
1639 + act_led_gpio Set which GPIO to use for the activity LED
1640 + (in case you want to connect it to an external
1641 + device)
1642 + (default "16" on a non-Plus board, "47" on a
1643 + Plus or Pi 2)
1644 +
1645 + pwr_led_trigger
1646 + pwr_led_activelow
1647 + pwr_led_gpio
1648 + As for act_led_*, but using the PWR LED.
1649 + Not available on Model A/B boards.
1650 +
1651 + N.B. It is recommended to only enable those interfaces that are needed.
1652 + Leaving all interfaces enabled can lead to unwanted behaviour (i2c_vc
1653 + interfering with Pi Camera, I2S and SPI hogging GPIO pins, etc.)
1654 + Note also that i2c, i2c_arm and i2c_vc are aliases for the physical
1655 + interfaces i2c0 and i2c1. Use of the numeric variants is still possible
1656 + but deprecated because the ARM/VC assignments differ between board
1657 + revisions. The same board-specific mapping applies to i2c_baudrate,
1658 + and the other i2c baudrate parameters.
1659 +
1660 +
1661 +Name: ads7846
1662 +Info: ADS7846 Touch controller
1663 +Load: dtoverlay=ads7846,<param>=<val>
1664 +Params: cs SPI bus Chip Select (default 1)
1665 + speed SPI bus speed (default 2Mhz, max 3.25MHz)
1666 + penirq GPIO used for PENIRQ. REQUIRED
1667 + penirq_pull Set GPIO pull (default 0=none, 2=pullup)
1668 + swapxy Swap x and y axis
1669 + xmin Minimum value on the X axis (default 0)
1670 + ymin Minimum value on the Y axis (default 0)
1671 + xmax Maximum value on the X axis (default 4095)
1672 + ymax Maximum value on the Y axis (default 4095)
1673 + pmin Minimum reported pressure value (default 0)
1674 + pmax Maximum reported pressure value (default 65535)
1675 + xohms Touchpanel sensitivity (X-plate resistance)
1676 + (default 400)
1677 +
1678 + penirq is required and usually xohms (60-100) has to be set as well.
1679 + Apart from that, pmax (255) and swapxy are also common.
1680 + The rest of the calibration can be done with xinput-calibrator.
1681 + See: github.com/notro/fbtft/wiki/FBTFT-on-Raspian
1682 + Device Tree binding document:
1683 + www.kernel.org/doc/Documentation/devicetree/bindings/input/ads7846.txt
1684 +
1685 +
1686 +Name: bmp085_i2c-sensor
1687 +Info: Configures the BMP085/BMP180 digital barometric pressure and temperature
1688 + sensors from Bosch Sensortec
1689 +Load: dtoverlay=bmp085_i2c-sensor
1690 +Params: <None>
1691 +
1692 +
1693 +Name: dht11
1694 +Info: Overlay for the DHT11/DHT21/DHT22 humidity/temperature sensors
1695 + Also sometimes found with the part number(s) AM230x.
1696 +Load: dtoverlay=dht11,<param>=<val>
1697 +Params: gpiopin GPIO connected to the sensor's DATA output.
1698 + (default 4)
1699 +
1700 +
1701 +[ The ds1307-rtc overlay has been deleted. See i2c-rtc. ]
1702 +
1703 +
1704 +Name: enc28j60
1705 +Info: Overlay for the Microchip ENC28J60 Ethernet Controller (SPI)
1706 +Load: dtoverlay=enc28j60,<param>=<val>
1707 +Params: int_pin GPIO used for INT (default 25)
1708 +
1709 + speed SPI bus speed (default 12000000)
1710 +
1711 +
1712 +Name: gpio-poweroff
1713 +Info: Drives a GPIO high or low on reboot
1714 +Load: dtoverlay=gpio-poweroff,<param>=<val>
1715 +Params: gpiopin GPIO for signalling (default 26)
1716 +
1717 + active_low Set if the power control device requires a
1718 + high->low transition to trigger a power-down.
1719 + Note that this will require the support of a
1720 + custom dt-blob.bin to prevent a power-down
1721 + during the boot process, and that a reboot
1722 + will also cause the pin to go low.
1723 +
1724 +
1725 +Name: hifiberry-amp
1726 +Info: Configures the HifiBerry Amp and Amp+ audio cards
1727 +Load: dtoverlay=hifiberry-amp
1728 +Params: <None>
1729 +
1730 +
1731 +Name: hifiberry-dac
1732 +Info: Configures the HifiBerry DAC audio card
1733 +Load: dtoverlay=hifiberry-dac
1734 +Params: <None>
1735 +
1736 +
1737 +Name: hifiberry-dacplus
1738 +Info: Configures the HifiBerry DAC+ audio card
1739 +Load: dtoverlay=hifiberry-dacplus
1740 +Params: <None>
1741 +
1742 +
1743 +Name: hifiberry-digi
1744 +Info: Configures the HifiBerry Digi audio card
1745 +Load: dtoverlay=hifiberry-digi
1746 +Params: <None>
1747 +
1748 +
1749 +Name: hy28a
1750 +Info: HY28A - 2.8" TFT LCD Display Module by HAOYU Electronics
1751 + Default values match Texy's display shield
1752 +Load: dtoverlay=hy28a,<param>=<val>
1753 +Params: speed Display SPI bus speed
1754 +
1755 + rotate Display rotation {0,90,180,270}
1756 +
1757 + fps Delay between frame updates
1758 +
1759 + debug Debug output level {0-7}
1760 +
1761 + xohms Touchpanel sensitivity (X-plate resistance)
1762 +
1763 + resetgpio GPIO used to reset controller
1764 +
1765 + ledgpio GPIO used to control backlight
1766 +
1767 +
1768 +Name: hy28b
1769 +Info: HY28B - 2.8" TFT LCD Display Module by HAOYU Electronics
1770 + Default values match Texy's display shield
1771 +Load: dtoverlay=hy28b,<param>=<val>
1772 +Params: speed Display SPI bus speed
1773 +
1774 + rotate Display rotation {0,90,180,270}
1775 +
1776 + fps Delay between frame updates
1777 +
1778 + debug Debug output level {0-7}
1779 +
1780 + xohms Touchpanel sensitivity (X-plate resistance)
1781 +
1782 + resetgpio GPIO used to reset controller
1783 +
1784 + ledgpio GPIO used to control backlight
1785 +
1786 +
1787 +Name: i2c-rtc
1788 +Info: Adds support for a number of I2C Real Time Clock devices
1789 +Load: dtoverlay=i2c-rtc,<param>
1790 +Params: ds1307 Select the DS1307 device
1791 +
1792 + ds3231 Select the DS3231 device
1793 +
1794 + mcp7941x Select the MCP7941x device
1795 +
1796 + pcf2127 Select the PCF2127 device
1797 +
1798 + pcf8523 Select the PCF8523 device
1799 +
1800 + pcf8563 Select the PCF8563 device
1801 +
1802 +
1803 +Name: i2s-mmap
1804 +Info: Enables mmap support in the bcm2708-i2s driver
1805 +Load: dtoverlay=i2s-mmap
1806 +Params: <None>
1807 +
1808 +
1809 +Name: iqaudio-dac
1810 +Info: Configures the IQaudio DAC audio card
1811 +Load: dtoverlay=iqaudio-dac
1812 +Params: <None>
1813 +
1814 +
1815 +Name: iqaudio-dacplus
1816 +Info: Configures the IQaudio DAC+ audio card
1817 +Load: dtoverlay=iqaudio-dacplus
1818 +Params: <None>
1819 +
1820 +
1821 +Name: lirc-rpi
1822 +Info: Configures lirc-rpi (Linux Infrared Remote Control for Raspberry Pi)
1823 + Consult the module documentation for more details.
1824 +Load: dtoverlay=lirc-rpi,<param>=<val>,...
1825 +Params: gpio_out_pin GPIO for output (default "17")
1826 +
1827 + gpio_in_pin GPIO for input (default "18")
1828 +
1829 + gpio_in_pull Pull up/down/off on the input pin
1830 + (default "down")
1831 +
1832 + sense Override the IR receive auto-detection logic:
1833 + "0" = force active-high
1834 + "1" = force active-low
1835 + "-1" = use auto-detection
1836 + (default "-1")
1837 +
1838 + softcarrier Turn the software carrier "on" or "off"
1839 + (default "on")
1840 +
1841 + invert "on" = invert the output pin (default "off")
1842 +
1843 + debug "on" = enable additional debug messages
1844 + (default "off")
1845 +
1846 +
1847 +Name: mcp2515-can0
1848 +Info: Configures the MCP2515 CAN controller on spi0.0
1849 +Load: dtoverlay=mcp2515-can0,<param>=<val>
1850 +Params: oscillator Clock frequency for the CAN controller (Hz)
1851 +
1852 + spimaxfrequency Maximum SPI frequence (Hz)
1853 +
1854 + interrupt GPIO for interrupt signal
1855 +
1856 +
1857 +Name: mcp2515-can1
1858 +Info: Configures the MCP2515 CAN controller on spi0.1
1859 +Load: dtoverlay=mcp2515-can1,<param>=<val>
1860 +Params: oscillator Clock frequency for the CAN controller (Hz)
1861 +
1862 + spimaxfrequency Maximum SPI frequence (Hz)
1863 +
1864 + interrupt GPIO for interrupt signal
1865 +
1866 +
1867 +Name: mmc
1868 +Info: Selects the bcm2835-mmc SD/MMC driver, optionally with overclock
1869 +Load: dtoverlay=mmc,<param>=<val>
1870 +Params: overclock_50 Clock (in MHz) to use when the MMC framework
1871 + requests 50MHz
1872 + force_pio Disable DMA support
1873 +
1874 +
1875 +Name: mz61581
1876 +Info: MZ61581 display by Tontec
1877 +Load: dtoverlay=mz61581,<param>=<val>
1878 +Params: speed Display SPI bus speed
1879 +
1880 + rotate Display rotation {0,90,180,270}
1881 +
1882 + fps Delay between frame updates
1883 +
1884 + txbuflen Transmit buffer length (default 32768)
1885 +
1886 + debug Debug output level {0-7}
1887 +
1888 + xohms Touchpanel sensitivity (X-plate resistance)
1889 +
1890 +
1891 +[ The pcf2127-rtc overlay has been deleted. See i2c-rtc. ]
1892 +
1893 +
1894 +[ The pcf8523-rtc overlay has been deleted. See i2c-rtc. ]
1895 +
1896 +
1897 +[ The pcf8563-rtc overlay has been deleted. See i2c-rtc. ]
1898 +
1899 +
1900 +Name: piscreen
1901 +Info: PiScreen display by OzzMaker.com
1902 +Load: dtoverlay=piscreen,<param>=<val>
1903 +Params: speed Display SPI bus speed
1904 +
1905 + rotate Display rotation {0,90,180,270}
1906 +
1907 + fps Delay between frame updates
1908 +
1909 + debug Debug output level {0-7}
1910 +
1911 + xohms Touchpanel sensitivity (X-plate resistance)
1912 +
1913 +
1914 +Name: pitft28-resistive
1915 +Info: Adafruit PiTFT 2.8" resistive touch screen
1916 +Load: dtoverlay=pitft28-resistive,<param>=<val>
1917 +Params: speed Display SPI bus speed
1918 +
1919 + rotate Display rotation {0,90,180,270}
1920 +
1921 + fps Delay between frame updates
1922 +
1923 + debug Debug output level {0-7}
1924 +
1925 +
1926 +Name: pps-gpio
1927 +Info: Configures the pps-gpio (pulse-per-second time signal via GPIO).
1928 +Load: dtoverlay=pps-gpio,<param>=<val>
1929 +Params: gpiopin Input GPIO (default "18")
1930 +
1931 +
1932 +Name: pwm
1933 +Info: Configures a single PWM channel
1934 + Legal pin,function combinations for each channel:
1935 + PWM0: 12,4(Alt0) 18,2(Alt5) 40,4(Alt0) 52,5(Alt1)
1936 + PWM1: 13,4(Alt0) 19,2(Alt5) 41,4(Alt0) 45,4(Alt0) 53,5(Alt1)
1937 + N.B.:
1938 + 1) Pin 18 is the only one available on all platforms, and
1939 + it is the one used by the I2S audio interface.
1940 + Pins 12 and 13 might be better choices on an A+, B+ or Pi2.
1941 + 2) The onboard analogue audio output uses both PWM channels.
1942 + 3) So be careful mixing audio and PWM.
1943 + 4) Currently the clock must have been enabled and configured
1944 + by other means.
1945 +Load: dtoverlay=pwm,<param>=<val>
1946 +Params: pin Output pin (default 18) - see table
1947 + func Pin function (default 2 = Alt5) - see above
1948 + clock PWM clock frequency (informational)
1949 +
1950 +
1951 +Name: pwm-2chan
1952 +Info: Configures both PWM channels
1953 + Legal pin,function combinations for each channel:
1954 + PWM0: 12,4(Alt0) 18,2(Alt5) 40,4(Alt0) 52,5(Alt1)
1955 + PWM1: 13,4(Alt0) 19,2(Alt5) 41,4(Alt0) 45,4(Alt0) 53,5(Alt1)
1956 + N.B.:
1957 + 1) Pin 18 is the only one available on all platforms, and
1958 + it is the one used by the I2S audio interface.
1959 + Pins 12 and 13 might be better choices on an A+, B+ or Pi2.
1960 + 2) The onboard analogue audio output uses both PWM channels.
1961 + 3) So be careful mixing audio and PWM.
1962 + 4) Currently the clock must have been enabled and configured
1963 + by other means.
1964 +Load: dtoverlay=pwm-2chan,<param>=<val>
1965 +Params: pin Output pin (default 18) - see table
1966 + pin2 Output pin for other channel (default 19)
1967 + func Pin function (default 2 = Alt5) - see above
1968 + func2 Function for pin2 (default 2 = Alt5)
1969 + clock PWM clock frequency (informational)
1970 +
1971 +
1972 +Name: raspidac3
1973 +Info: Configures the RaspiDAV Rev.3x audio card
1974 +Load: dtoverlay=raspidac3
1975 +Params: <None>
1976 +
1977 +
1978 +Name: rpi-dac
1979 +Info: Configures the RPi DAC audio card
1980 +Load: dtoverlay=rpi-dac
1981 +Params: <None>
1982 +
1983 +
1984 +Name: rpi-display
1985 +Info: RPi-Display - 2.8" Touch Display by Watterott
1986 +Load: dtoverlay=rpi-display,<param>=<val>
1987 +Params: speed Display SPI bus speed
1988 +
1989 + rotate Display rotation {0,90,180,270}
1990 +
1991 + fps Delay between frame updates
1992 +
1993 + debug Debug output level {0-7}
1994 +
1995 + xohms Touchpanel sensitivity (X-plate resistance)
1996 +
1997 +
1998 +Name: rpi-ft5406
1999 +Info: Official Raspberry Pi display touchscreen
2000 +Load: dtoverlay=rpi-ft5406
2001 +Params: <None>
2002 +
2003 +
2004 +Name: rpi-proto
2005 +Info: Configures the RPi Proto audio card
2006 +Load: dtoverlay=rpi-proto
2007 +Params: <None>
2008 +
2009 +
2010 +Name: rpi-sense
2011 +Info: Raspberry Pi Sense HAT
2012 +Load: dtoverlay=rpi-sense
2013 +Params: <None>
2014 +
2015 +
2016 +Name: sdhost
2017 +Info: Selects the bcm2835-sdhost SD/MMC driver, optionally with overclock
2018 +Load: dtoverlay=sdhost,<param>=<val>
2019 +Params: overclock_50 Clock (in MHz) to use when the MMC framework
2020 + requests 50MHz
2021 +
2022 + force_pio Disable DMA support (default off)
2023 +
2024 + pio_limit Number of blocks above which to use DMA
2025 + (default 1)
2026 +
2027 + debug Enable debug output (default off)
2028 +
2029 +
2030 +Name: sdio
2031 +Info: Selects the bcm2835-sdhost SD/MMC driver, optionally with overclock,
2032 + and enables SDIO via GPIOs 22-27.
2033 +Load: dtoverlay=sdio,<param>=<val>
2034 +Params: overclock_50 Clock (in MHz) to use when the MMC framework
2035 + requests 50MHz
2036 +
2037 + force_pio Disable DMA support (default off)
2038 +
2039 + pio_limit Number of blocks above which to use DMA
2040 + (default 1)
2041 +
2042 + debug Enable debug output (default off)
2043 +
2044 + poll_once Disable SDIO-device polling every second
2045 + (default on: polling once at boot-time)
2046 +
2047 +
2048 +Name: smi
2049 +Info: Enables the Secondary Memory Interface peripheral. Uses GPIOs 2-25!
2050 +Load: dtoverlay=smi
2051 +Params: <None>
2052 +
2053 +
2054 +Name: smi-dev
2055 +Info: Enables the userspace interface for the SMI driver
2056 +Load: dtoverlay=smi-dev
2057 +Params: <None>
2058 +
2059 +
2060 +Name: smi-nand
2061 +Info: Enables access to NAND flash via the SMI interface
2062 +Load: dtoverlay=smi-nand
2063 +Params: <None>
2064 +
2065 +
2066 +Name: spi-gpio35-39
2067 +Info: move SPI function block to GPIO 35 to 39
2068 +Load: dtoverlay=spi-gpio35-39
2069 +Params: <None>
2070 +
2071 +
2072 +Name: tinylcd35
2073 +Info: 3.5" Color TFT Display by www.tinylcd.com
2074 + Options: Touch, RTC, keypad
2075 +Load: dtoverlay=tinylcd35,<param>=<val>
2076 +Params: speed Display SPI bus speed
2077 +
2078 + rotate Display rotation {0,90,180,270}
2079 +
2080 + fps Delay between frame updates
2081 +
2082 + debug Debug output level {0-7}
2083 +
2084 + touch Enable touch panel
2085 +
2086 + touchgpio Touch controller IRQ GPIO
2087 +
2088 + xohms Touchpanel: Resistance of X-plate in ohms
2089 +
2090 + rtc-pcf PCF8563 Real Time Clock
2091 +
2092 + rtc-ds DS1307 Real Time Clock
2093 +
2094 + keypad Enable keypad
2095 +
2096 + Examples:
2097 + Display with touchpanel, PCF8563 RTC and keypad:
2098 + dtoverlay=tinylcd35,touch,rtc-pcf,keypad
2099 + Old touch display:
2100 + dtoverlay=tinylcd35,touch,touchgpio=3
2101 +
2102 +
2103 +Name: uart1
2104 +Info: Enable uart1 in place of uart0
2105 +Load: dtoverlay=uart1,<param>=<val>
2106 +Params: txd1_pin GPIO pin for TXD1 (14, 32 or 40 - default 14)
2107 +
2108 + rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15)
2109 +
2110 +
2111 +Name: vga666
2112 +Info: Overlay for the Fen Logic VGA666 board
2113 + This uses GPIOs 2-21 (so no I2C), and activates the output 2-3 seconds
2114 + after the kernel has started.
2115 +Load: dtoverlay=vga666
2116 +Params: <None>
2117 +
2118 +
2119 +Name: w1-gpio
2120 +Info: Configures the w1-gpio Onewire interface module.
2121 + Use this overlay if you *don't* need a GPIO to drive an external pullup.
2122 +Load: dtoverlay=w1-gpio,<param>=<val>
2123 +Params: gpiopin GPIO for I/O (default "4")
2124 +
2125 + pullup Non-zero, "on", or "y" to enable the parasitic
2126 + power (2-wire, power-on-data) feature
2127 +
2128 +
2129 +Name: w1-gpio-pullup
2130 +Info: Configures the w1-gpio Onewire interface module.
2131 + Use this overlay if you *do* need a GPIO to drive an external pullup.
2132 +Load: dtoverlay=w1-gpio-pullup,<param>=<val>
2133 +Params: gpiopin GPIO for I/O (default "4")
2134 +
2135 + pullup Non-zero, "on", or "y" to enable the parasitic
2136 + power (2-wire, power-on-data) feature
2137 +
2138 + extpullup GPIO for external pullup (default "5")
2139 +
2140 +
2141 +Troubleshooting
2142 +===============
2143 +
2144 +If you are experiencing problems that you think are DT-related, enable DT
2145 +diagnostic output by adding this to /boot/config.txt:
2146 +
2147 + dtdebug=on
2148 +
2149 +and rebooting. Then run:
2150 +
2151 + sudo vcdbg log msg
2152 +
2153 +and look for relevant messages.
2154 +
2155 +Further reading
2156 +===============
2157 +
2158 +This is only meant to be a quick introduction to the subject of Device Tree on
2159 +Raspberry Pi. There is a more complete explanation here:
2160 +
2161 +http://www.raspberrypi.org/documentation/configuration/device-tree.md
2162 --- /dev/null
2163 +++ b/arch/arm/boot/dts/overlays/ads7846-overlay.dts
2164 @@ -0,0 +1,83 @@
2165 +/*
2166 + * Generic Device Tree overlay for the ADS7846 touch controller
2167 + *
2168 + */
2169 +
2170 +/dts-v1/;
2171 +/plugin/;
2172 +
2173 +/ {
2174 + compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
2175 +
2176 + fragment@0 {
2177 + target = <&spi0>;
2178 + __overlay__ {
2179 + status = "okay";
2180 +
2181 + spidev@0{
2182 + status = "disabled";
2183 + };
2184 +
2185 + spidev@1{
2186 + status = "disabled";
2187 + };
2188 + };
2189 + };
2190 +
2191 + fragment@1 {
2192 + target = <&gpio>;
2193 + __overlay__ {
2194 + ads7846_pins: ads7846_pins {
2195 + brcm,pins = <255>; /* illegal default value */
2196 + brcm,function = <0>; /* in */
2197 + brcm,pull = <0>; /* none */
2198 + };
2199 + };
2200 + };
2201 +
2202 + fragment@2 {
2203 + target = <&spi0>;
2204 + __overlay__ {
2205 + /* needed to avoid dtc warning */
2206 + #address-cells = <1>;
2207 + #size-cells = <0>;
2208 +
2209 + ads7846: ads7846@1 {
2210 + compatible = "ti,ads7846";
2211 + reg = <1>;
2212 + pinctrl-names = "default";
2213 + pinctrl-0 = <&ads7846_pins>;
2214 +
2215 + spi-max-frequency = <2000000>;
2216 + interrupts = <255 2>; /* high-to-low edge triggered */
2217 + interrupt-parent = <&gpio>;
2218 + pendown-gpio = <&gpio 255 0>;
2219 +
2220 + /* driver defaults */
2221 + ti,x-min = /bits/ 16 <0>;
2222 + ti,y-min = /bits/ 16 <0>;
2223 + ti,x-max = /bits/ 16 <0x0FFF>;
2224 + ti,y-max = /bits/ 16 <0x0FFF>;
2225 + ti,pressure-min = /bits/ 16 <0>;
2226 + ti,pressure-max = /bits/ 16 <0xFFFF>;
2227 + ti,x-plate-ohms = /bits/ 16 <400>;
2228 + };
2229 + };
2230 + };
2231 + __overrides__ {
2232 + cs = <&ads7846>,"reg:0";
2233 + speed = <&ads7846>,"spi-max-frequency:0";
2234 + penirq = <&ads7846_pins>,"brcm,pins:0", /* REQUIRED */
2235 + <&ads7846>,"interrupts:0",
2236 + <&ads7846>,"pendown-gpio:4";
2237 + penirq_pull = <&ads7846_pins>,"brcm,pull:0";
2238 + swapxy = <&ads7846>,"ti,swap-xy?";
2239 + xmin = <&ads7846>,"ti,x-min;0";
2240 + ymin = <&ads7846>,"ti,y-min;0";
2241 + xmax = <&ads7846>,"ti,x-max;0";
2242 + ymax = <&ads7846>,"ti,y-max;0";
2243 + pmin = <&ads7846>,"ti,pressure-min;0";
2244 + pmax = <&ads7846>,"ti,pressure-max;0";
2245 + xohms = <&ads7846>,"ti,x-plate-ohms;0";
2246 + };
2247 +};
2248 --- /dev/null
2249 +++ b/arch/arm/boot/dts/overlays/bmp085_i2c-sensor-overlay.dts
2250 @@ -0,0 +1,23 @@
2251 +// Definitions for BMP085/BMP180 digital barometric pressure and temperature sensors from Bosch Sensortec
2252 +/dts-v1/;
2253 +/plugin/;
2254 +
2255 +/ {
2256 + compatible = "brcm,bcm2708";
2257 +
2258 + fragment@0 {
2259 + target = <&i2c_arm>;
2260 + __overlay__ {
2261 + #address-cells = <1>;
2262 + #size-cells = <0>;
2263 + status = "okay";
2264 +
2265 + bmp085@77 {
2266 + compatible = "bosch,bmp085";
2267 + reg = <0x77>;
2268 + default-oversampling = <3>;
2269 + status = "okay";
2270 + };
2271 + };
2272 + };
2273 +};
2274 --- /dev/null
2275 +++ b/arch/arm/boot/dts/overlays/dht11-overlay.dts
2276 @@ -0,0 +1,39 @@
2277 +/*
2278 + * Overlay for the DHT11/21/22 humidity/temperature sensor modules.
2279 + */
2280 +/dts-v1/;
2281 +/plugin/;
2282 +
2283 +/ {
2284 + compatible = "brcm,bcm2708";
2285 +
2286 + fragment@0 {
2287 + target-path = "/";
2288 + __overlay__ {
2289 +
2290 + dht11: dht11@0 {
2291 + compatible = "dht11";
2292 + pinctrl-names = "default";
2293 + pinctrl-0 = <&dht11_pins>;
2294 + gpios = <&gpio 4 0>;
2295 + status = "okay";
2296 + };
2297 + };
2298 + };
2299 +
2300 + fragment@1 {
2301 + target = <&gpio>;
2302 + __overlay__ {
2303 + dht11_pins: dht11_pins {
2304 + brcm,pins = <4>;
2305 + brcm,function = <0>; // in
2306 + brcm,pull = <0>; // off
2307 + };
2308 + };
2309 + };
2310 +
2311 + __overrides__ {
2312 + gpiopin = <&dht11_pins>,"brcm,pins:0",
2313 + <&dht11>,"gpios:4";
2314 + };
2315 +};
2316 --- /dev/null
2317 +++ b/arch/arm/boot/dts/overlays/enc28j60-overlay.dts
2318 @@ -0,0 +1,50 @@
2319 +// Overlay for the Microchip ENC28J60 Ethernet Controller
2320 +/dts-v1/;
2321 +/plugin/;
2322 +
2323 +/ {
2324 + compatible = "brcm,bcm2708";
2325 +
2326 + fragment@0 {
2327 + target = <&spi0>;
2328 + __overlay__ {
2329 + /* needed to avoid dtc warning */
2330 + #address-cells = <1>;
2331 + #size-cells = <0>;
2332 +
2333 + status = "okay";
2334 +
2335 + spidev@0{
2336 + status = "disabled";
2337 + };
2338 +
2339 + eth1: enc28j60@0{
2340 + compatible = "microchip,enc28j60";
2341 + reg = <0>; /* CE0 */
2342 + pinctrl-names = "default";
2343 + pinctrl-0 = <&eth1_pins>;
2344 + interrupt-parent = <&gpio>;
2345 + interrupts = <25 0x2>; /* falling edge */
2346 + spi-max-frequency = <12000000>;
2347 + status = "okay";
2348 + };
2349 + };
2350 + };
2351 +
2352 + fragment@1 {
2353 + target = <&gpio>;
2354 + __overlay__ {
2355 + eth1_pins: eth1_pins {
2356 + brcm,pins = <25>;
2357 + brcm,function = <0>; /* in */
2358 + brcm,pull = <0>; /* none */
2359 + };
2360 + };
2361 + };
2362 +
2363 + __overrides__ {
2364 + int_pin = <&eth1>, "interrupts:0",
2365 + <&eth1_pins>, "brcm,pins:0";
2366 + speed = <&eth1>, "spi-max-frequency:0";
2367 + };
2368 +};
2369 --- /dev/null
2370 +++ b/arch/arm/boot/dts/overlays/gpio-poweroff-overlay.dts
2371 @@ -0,0 +1,34 @@
2372 +// Definitions for gpio-poweroff module
2373 +/dts-v1/;
2374 +/plugin/;
2375 +
2376 +/ {
2377 + compatible = "brcm,bcm2708";
2378 +
2379 + fragment@0 {
2380 + target-path = "/";
2381 + __overlay__ {
2382 + power_ctrl: power_ctrl {
2383 + compatible = "gpio-poweroff";
2384 + gpios = <&gpio 26 0>;
2385 + force;
2386 + };
2387 + };
2388 + };
2389 +
2390 + fragment@1 {
2391 + target = <&gpio>;
2392 + __overlay__ {
2393 + power_ctrl_pins: power_ctrl_pins {
2394 + brcm,pins = <26>;
2395 + brcm,function = <1>; // out
2396 + };
2397 + };
2398 + };
2399 +
2400 + __overrides__ {
2401 + gpiopin = <&power_ctrl>,"gpios:4",
2402 + <&power_ctrl_pins>,"brcm,pins:0";
2403 + active_low = <&power_ctrl>,"gpios:8";
2404 + };
2405 +};
2406 --- /dev/null
2407 +++ b/arch/arm/boot/dts/overlays/hifiberry-amp-overlay.dts
2408 @@ -0,0 +1,39 @@
2409 +// Definitions for HiFiBerry Amp/Amp+
2410 +/dts-v1/;
2411 +/plugin/;
2412 +
2413 +/ {
2414 + compatible = "brcm,bcm2708";
2415 +
2416 + fragment@0 {
2417 + target = <&sound>;
2418 + __overlay__ {
2419 + compatible = "hifiberry,hifiberry-amp";
2420 + i2s-controller = <&i2s>;
2421 + status = "okay";
2422 + };
2423 + };
2424 +
2425 + fragment@1 {
2426 + target = <&i2s>;
2427 + __overlay__ {
2428 + status = "okay";
2429 + };
2430 + };
2431 +
2432 + fragment@2 {
2433 + target = <&i2c1>;
2434 + __overlay__ {
2435 + #address-cells = <1>;
2436 + #size-cells = <0>;
2437 + status = "okay";
2438 +
2439 + tas5713@1b {
2440 + #sound-dai-cells = <0>;
2441 + compatible = "ti,tas5713";
2442 + reg = <0x1b>;
2443 + status = "okay";
2444 + };
2445 + };
2446 + };
2447 +};
2448 --- /dev/null
2449 +++ b/arch/arm/boot/dts/overlays/hifiberry-dac-overlay.dts
2450 @@ -0,0 +1,34 @@
2451 +// Definitions for HiFiBerry DAC
2452 +/dts-v1/;
2453 +/plugin/;
2454 +
2455 +/ {
2456 + compatible = "brcm,bcm2708";
2457 +
2458 + fragment@0 {
2459 + target = <&sound>;
2460 + __overlay__ {
2461 + compatible = "hifiberry,hifiberry-dac";
2462 + i2s-controller = <&i2s>;
2463 + status = "okay";
2464 + };
2465 + };
2466 +
2467 + fragment@1 {
2468 + target = <&i2s>;
2469 + __overlay__ {
2470 + status = "okay";
2471 + };
2472 + };
2473 +
2474 + fragment@2 {
2475 + target-path = "/";
2476 + __overlay__ {
2477 + pcm5102a-codec {
2478 + #sound-dai-cells = <0>;
2479 + compatible = "ti,pcm5102a";
2480 + status = "okay";
2481 + };
2482 + };
2483 + };
2484 +};
2485 --- /dev/null
2486 +++ b/arch/arm/boot/dts/overlays/hifiberry-dacplus-overlay.dts
2487 @@ -0,0 +1,39 @@
2488 +// Definitions for HiFiBerry DAC+
2489 +/dts-v1/;
2490 +/plugin/;
2491 +
2492 +/ {
2493 + compatible = "brcm,bcm2708";
2494 +
2495 + fragment@0 {
2496 + target = <&sound>;
2497 + __overlay__ {
2498 + compatible = "hifiberry,hifiberry-dacplus";
2499 + i2s-controller = <&i2s>;
2500 + status = "okay";
2501 + };
2502 + };
2503 +
2504 + fragment@1 {
2505 + target = <&i2s>;
2506 + __overlay__ {
2507 + status = "okay";
2508 + };
2509 + };
2510 +
2511 + fragment@2 {
2512 + target = <&i2c1>;
2513 + __overlay__ {
2514 + #address-cells = <1>;
2515 + #size-cells = <0>;
2516 + status = "okay";
2517 +
2518 + pcm5122@4d {
2519 + #sound-dai-cells = <0>;
2520 + compatible = "ti,pcm5122";
2521 + reg = <0x4d>;
2522 + status = "okay";
2523 + };
2524 + };
2525 + };
2526 +};
2527 --- /dev/null
2528 +++ b/arch/arm/boot/dts/overlays/hifiberry-digi-overlay.dts
2529 @@ -0,0 +1,39 @@
2530 +// Definitions for HiFiBerry Digi
2531 +/dts-v1/;
2532 +/plugin/;
2533 +
2534 +/ {
2535 + compatible = "brcm,bcm2708";
2536 +
2537 + fragment@0 {
2538 + target = <&sound>;
2539 + __overlay__ {
2540 + compatible = "hifiberry,hifiberry-digi";
2541 + i2s-controller = <&i2s>;
2542 + status = "okay";
2543 + };
2544 + };
2545 +
2546 + fragment@1 {
2547 + target = <&i2s>;
2548 + __overlay__ {
2549 + status = "okay";
2550 + };
2551 + };
2552 +
2553 + fragment@2 {
2554 + target = <&i2c1>;
2555 + __overlay__ {
2556 + #address-cells = <1>;
2557 + #size-cells = <0>;
2558 + status = "okay";
2559 +
2560 + wm8804@3b {
2561 + #sound-dai-cells = <0>;
2562 + compatible = "wlf,wm8804";
2563 + reg = <0x3b>;
2564 + status = "okay";
2565 + };
2566 + };
2567 + };
2568 +};
2569 --- /dev/null
2570 +++ b/arch/arm/boot/dts/overlays/hy28a-overlay.dts
2571 @@ -0,0 +1,87 @@
2572 +/*
2573 + * Device Tree overlay for HY28A display
2574 + *
2575 + */
2576 +
2577 +/dts-v1/;
2578 +/plugin/;
2579 +
2580 +/ {
2581 + compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
2582 +
2583 + fragment@0 {
2584 + target = <&spi0>;
2585 + __overlay__ {
2586 + status = "okay";
2587 +
2588 + spidev@0{
2589 + status = "disabled";
2590 + };
2591 +
2592 + spidev@1{
2593 + status = "disabled";
2594 + };
2595 + };
2596 + };
2597 +
2598 + fragment@1 {
2599 + target = <&gpio>;
2600 + __overlay__ {
2601 + hy28a_pins: hy28a_pins {
2602 + brcm,pins = <17 25 18>;
2603 + brcm,function = <0 1 1>; /* in out out */
2604 + };
2605 + };
2606 + };
2607 +
2608 + fragment@2 {
2609 + target = <&spi0>;
2610 + __overlay__ {
2611 + /* needed to avoid dtc warning */
2612 + #address-cells = <1>;
2613 + #size-cells = <0>;
2614 +
2615 + hy28a: hy28a@0{
2616 + compatible = "ilitek,ili9320";
2617 + reg = <0>;
2618 + pinctrl-names = "default";
2619 + pinctrl-0 = <&hy28a_pins>;
2620 +
2621 + spi-max-frequency = <32000000>;
2622 + spi-cpol;
2623 + spi-cpha;
2624 + rotate = <270>;
2625 + bgr;
2626 + fps = <50>;
2627 + buswidth = <8>;
2628 + startbyte = <0x70>;
2629 + reset-gpios = <&gpio 25 0>;
2630 + led-gpios = <&gpio 18 1>;
2631 + debug = <0>;
2632 + };
2633 +
2634 + hy28a_ts: hy28a-ts@1 {
2635 + compatible = "ti,ads7846";
2636 + reg = <1>;
2637 +
2638 + spi-max-frequency = <2000000>;
2639 + interrupts = <17 2>; /* high-to-low edge triggered */
2640 + interrupt-parent = <&gpio>;
2641 + pendown-gpio = <&gpio 17 0>;
2642 + ti,x-plate-ohms = /bits/ 16 <100>;
2643 + ti,pressure-max = /bits/ 16 <255>;
2644 + };
2645 + };
2646 + };
2647 + __overrides__ {
2648 + speed = <&hy28a>,"spi-max-frequency:0";
2649 + rotate = <&hy28a>,"rotate:0";
2650 + fps = <&hy28a>,"fps:0";
2651 + debug = <&hy28a>,"debug:0";
2652 + xohms = <&hy28a_ts>,"ti,x-plate-ohms;0";
2653 + resetgpio = <&hy28a>,"reset-gpios:4",
2654 + <&hy28a_pins>, "brcm,pins:1";
2655 + ledgpio = <&hy28a>,"led-gpios:4",
2656 + <&hy28a_pins>, "brcm,pins:2";
2657 + };
2658 +};
2659 --- /dev/null
2660 +++ b/arch/arm/boot/dts/overlays/hy28b-overlay.dts
2661 @@ -0,0 +1,142 @@
2662 +/*
2663 + * Device Tree overlay for HY28b display shield by Texy
2664 + *
2665 + */
2666 +
2667 +/dts-v1/;
2668 +/plugin/;
2669 +
2670 +/ {
2671 + compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
2672 +
2673 + fragment@0 {
2674 + target = <&spi0>;
2675 + __overlay__ {
2676 + status = "okay";
2677 +
2678 + spidev@0{
2679 + status = "disabled";
2680 + };
2681 +
2682 + spidev@1{
2683 + status = "disabled";
2684 + };
2685 + };
2686 + };
2687 +
2688 + fragment@1 {
2689 + target = <&gpio>;
2690 + __overlay__ {
2691 + hy28b_pins: hy28b_pins {
2692 + brcm,pins = <17 25 18>;
2693 + brcm,function = <0 1 1>; /* in out out */
2694 + };
2695 + };
2696 + };
2697 +
2698 + fragment@2 {
2699 + target = <&spi0>;
2700 + __overlay__ {
2701 + /* needed to avoid dtc warning */
2702 + #address-cells = <1>;
2703 + #size-cells = <0>;
2704 +
2705 + hy28b: hy28b@0{
2706 + compatible = "ilitek,ili9325";
2707 + reg = <0>;
2708 + pinctrl-names = "default";
2709 + pinctrl-0 = <&hy28b_pins>;
2710 +
2711 + spi-max-frequency = <48000000>;
2712 + spi-cpol;
2713 + spi-cpha;
2714 + rotate = <270>;
2715 + bgr;
2716 + fps = <50>;
2717 + buswidth = <8>;
2718 + startbyte = <0x70>;
2719 + reset-gpios = <&gpio 25 0>;
2720 + led-gpios = <&gpio 18 1>;
2721 +
2722 + gamma = "04 1F 4 7 7 0 7 7 6 0\n0F 00 1 7 4 0 0 0 6 7";
2723 +
2724 + init = <0x10000e7 0x0010
2725 + 0x1000000 0x0001
2726 + 0x1000001 0x0100
2727 + 0x1000002 0x0700
2728 + 0x1000003 0x1030
2729 + 0x1000004 0x0000
2730 + 0x1000008 0x0207
2731 + 0x1000009 0x0000
2732 + 0x100000a 0x0000
2733 + 0x100000c 0x0001
2734 + 0x100000d 0x0000
2735 + 0x100000f 0x0000
2736 + 0x1000010 0x0000
2737 + 0x1000011 0x0007
2738 + 0x1000012 0x0000
2739 + 0x1000013 0x0000
2740 + 0x2000032
2741 + 0x1000010 0x1590
2742 + 0x1000011 0x0227
2743 + 0x2000032
2744 + 0x1000012 0x009c
2745 + 0x2000032
2746 + 0x1000013 0x1900
2747 + 0x1000029 0x0023
2748 + 0x100002b 0x000e
2749 + 0x2000032
2750 + 0x1000020 0x0000
2751 + 0x1000021 0x0000
2752 + 0x2000032
2753 + 0x1000050 0x0000
2754 + 0x1000051 0x00ef
2755 + 0x1000052 0x0000
2756 + 0x1000053 0x013f
2757 + 0x1000060 0xa700
2758 + 0x1000061 0x0001
2759 + 0x100006a 0x0000
2760 + 0x1000080 0x0000
2761 + 0x1000081 0x0000
2762 + 0x1000082 0x0000
2763 + 0x1000083 0x0000
2764 + 0x1000084 0x0000
2765 + 0x1000085 0x0000
2766 + 0x1000090 0x0010
2767 + 0x1000092 0x0000
2768 + 0x1000093 0x0003
2769 + 0x1000095 0x0110
2770 + 0x1000097 0x0000
2771 + 0x1000098 0x0000
2772 + 0x1000007 0x0133
2773 + 0x1000020 0x0000
2774 + 0x1000021 0x0000
2775 + 0x2000064>;
2776 + debug = <0>;
2777 + };
2778 +
2779 + hy28b_ts: hy28b-ts@1 {
2780 + compatible = "ti,ads7846";
2781 + reg = <1>;
2782 +
2783 + spi-max-frequency = <2000000>;
2784 + interrupts = <17 2>; /* high-to-low edge triggered */
2785 + interrupt-parent = <&gpio>;
2786 + pendown-gpio = <&gpio 17 0>;
2787 + ti,x-plate-ohms = /bits/ 16 <100>;
2788 + ti,pressure-max = /bits/ 16 <255>;
2789 + };
2790 + };
2791 + };
2792 + __overrides__ {
2793 + speed = <&hy28b>,"spi-max-frequency:0";
2794 + rotate = <&hy28b>,"rotate:0";
2795 + fps = <&hy28b>,"fps:0";
2796 + debug = <&hy28b>,"debug:0";
2797 + xohms = <&hy28b_ts>,"ti,x-plate-ohms;0";
2798 + resetgpio = <&hy28b>,"reset-gpios:4",
2799 + <&hy28b_pins>, "brcm,pins:1";
2800 + ledgpio = <&hy28b>,"led-gpios:4",
2801 + <&hy28b_pins>, "brcm,pins:2";
2802 + };
2803 +};
2804 --- /dev/null
2805 +++ b/arch/arm/boot/dts/overlays/i2c-rtc-overlay.dts
2806 @@ -0,0 +1,55 @@
2807 +// Definitions for several I2C based Real Time Clocks
2808 +/dts-v1/;
2809 +/plugin/;
2810 +
2811 +/ {
2812 + compatible = "brcm,bcm2708";
2813 +
2814 + fragment@0 {
2815 + target = <&i2c_arm>;
2816 + __overlay__ {
2817 + #address-cells = <1>;
2818 + #size-cells = <0>;
2819 + status = "okay";
2820 +
2821 + ds1307: ds1307@68 {
2822 + compatible = "maxim,ds1307";
2823 + reg = <0x68>;
2824 + status = "disable";
2825 + };
2826 + mcp7941x: mcp7941x@6f {
2827 + compatible = "microchip,mcp7941x";
2828 + reg = <0x6f>;
2829 + status = "disable";
2830 + };
2831 + ds3231: ds3231@68 {
2832 + compatible = "maxim,ds3231";
2833 + reg = <0x68>;
2834 + status = "disable";
2835 + };
2836 + pcf2127: pcf2127@51 {
2837 + compatible = "nxp,pcf2127";
2838 + reg = <0x51>;
2839 + status = "disable";
2840 + };
2841 + pcf8523: pcf8523@68 {
2842 + compatible = "nxp,pcf8523";
2843 + reg = <0x68>;
2844 + status = "disable";
2845 + };
2846 + pcf8563: pcf8563@51 {
2847 + compatible = "nxp,pcf8563";
2848 + reg = <0x51>;
2849 + status = "disable";
2850 + };
2851 + };
2852 + };
2853 + __overrides__ {
2854 + ds1307 = <&ds1307>,"status";
2855 + ds3231 = <&ds3231>,"status";
2856 + mcp7941x = <&mcp7941x>,"status";
2857 + pcf2127 = <&pcf2127>,"status";
2858 + pcf8523 = <&pcf8523>,"status";
2859 + pcf8563 = <&pcf8563>,"status";
2860 + };
2861 +};
2862 --- /dev/null
2863 +++ b/arch/arm/boot/dts/overlays/i2s-mmap-overlay.dts
2864 @@ -0,0 +1,13 @@
2865 +/dts-v1/;
2866 +/plugin/;
2867 +
2868 +/{
2869 + compatible = "brcm,bcm2708";
2870 +
2871 + fragment@0 {
2872 + target = <&i2s>;
2873 + __overlay__ {
2874 + brcm,enable-mmap;
2875 + };
2876 + };
2877 +};
2878 --- /dev/null
2879 +++ b/arch/arm/boot/dts/overlays/iqaudio-dac-overlay.dts
2880 @@ -0,0 +1,39 @@
2881 +// Definitions for IQaudIO DAC
2882 +/dts-v1/;
2883 +/plugin/;
2884 +
2885 +/ {
2886 + compatible = "brcm,bcm2708";
2887 +
2888 + fragment@0 {
2889 + target = <&sound>;
2890 + __overlay__ {
2891 + compatible = "iqaudio,iqaudio-dac";
2892 + i2s-controller = <&i2s>;
2893 + status = "okay";
2894 + };
2895 + };
2896 +
2897 + fragment@1 {
2898 + target = <&i2s>;
2899 + __overlay__ {
2900 + status = "okay";
2901 + };
2902 + };
2903 +
2904 + fragment@2 {
2905 + target = <&i2c1>;
2906 + __overlay__ {
2907 + #address-cells = <1>;
2908 + #size-cells = <0>;
2909 + status = "okay";
2910 +
2911 + pcm5122@4c {
2912 + #sound-dai-cells = <0>;
2913 + compatible = "ti,pcm5122";
2914 + reg = <0x4c>;
2915 + status = "okay";
2916 + };
2917 + };
2918 + };
2919 +};
2920 --- /dev/null
2921 +++ b/arch/arm/boot/dts/overlays/iqaudio-dacplus-overlay.dts
2922 @@ -0,0 +1,39 @@
2923 +// Definitions for IQaudIO DAC+
2924 +/dts-v1/;
2925 +/plugin/;
2926 +
2927 +/ {
2928 + compatible = "brcm,bcm2708";
2929 +
2930 + fragment@0 {
2931 + target = <&sound>;
2932 + __overlay__ {
2933 + compatible = "iqaudio,iqaudio-dac";
2934 + i2s-controller = <&i2s>;
2935 + status = "okay";
2936 + };
2937 + };
2938 +
2939 + fragment@1 {
2940 + target = <&i2s>;
2941 + __overlay__ {
2942 + status = "okay";
2943 + };
2944 + };
2945 +
2946 + fragment@2 {
2947 + target = <&i2c1>;
2948 + __overlay__ {
2949 + #address-cells = <1>;
2950 + #size-cells = <0>;
2951 + status = "okay";
2952 +
2953 + pcm5122@4c {
2954 + #sound-dai-cells = <0>;
2955 + compatible = "ti,pcm5122";
2956 + reg = <0x4c>;
2957 + status = "okay";
2958 + };
2959 + };
2960 + };
2961 +};
2962 --- /dev/null
2963 +++ b/arch/arm/boot/dts/overlays/lirc-rpi-overlay.dts
2964 @@ -0,0 +1,57 @@
2965 +// Definitions for lirc-rpi module
2966 +/dts-v1/;
2967 +/plugin/;
2968 +
2969 +/ {
2970 + compatible = "brcm,bcm2708";
2971 +
2972 + fragment@0 {
2973 + target-path = "/";
2974 + __overlay__ {
2975 + lirc_rpi: lirc_rpi {
2976 + compatible = "rpi,lirc-rpi";
2977 + pinctrl-names = "default";
2978 + pinctrl-0 = <&lirc_pins>;
2979 + status = "okay";
2980 +
2981 + // Override autodetection of IR receiver circuit
2982 + // (0 = active high, 1 = active low, -1 = no override )
2983 + rpi,sense = <0xffffffff>;
2984 +
2985 + // Software carrier
2986 + // (0 = off, 1 = on)
2987 + rpi,softcarrier = <1>;
2988 +
2989 + // Invert output
2990 + // (0 = off, 1 = on)
2991 + rpi,invert = <0>;
2992 +
2993 + // Enable debugging messages
2994 + // (0 = off, 1 = on)
2995 + rpi,debug = <0>;
2996 + };
2997 + };
2998 + };
2999 +
3000 + fragment@1 {
3001 + target = <&gpio>;
3002 + __overlay__ {
3003 + lirc_pins: lirc_pins {
3004 + brcm,pins = <17 18>;
3005 + brcm,function = <1 0>; // out in
3006 + brcm,pull = <0 1>; // off down
3007 + };
3008 + };
3009 + };
3010 +
3011 + __overrides__ {
3012 + gpio_out_pin = <&lirc_pins>,"brcm,pins:0";
3013 + gpio_in_pin = <&lirc_pins>,"brcm,pins:4";
3014 + gpio_in_pull = <&lirc_pins>,"brcm,pull:4";
3015 +
3016 + sense = <&lirc_rpi>,"rpi,sense:0";
3017 + softcarrier = <&lirc_rpi>,"rpi,softcarrier:0";
3018 + invert = <&lirc_rpi>,"rpi,invert:0";
3019 + debug = <&lirc_rpi>,"rpi,debug:0";
3020 + };
3021 +};
3022 --- /dev/null
3023 +++ b/arch/arm/boot/dts/overlays/mcp2515-can0-overlay.dts
3024 @@ -0,0 +1,69 @@
3025 +/*
3026 + * Device tree overlay for mcp251x/can0 on spi0.0
3027 + */
3028 +
3029 +/dts-v1/;
3030 +/plugin/;
3031 +
3032 +/ {
3033 + compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709";
3034 + /* disable spi-dev for spi0.0 */
3035 + fragment@0 {
3036 + target = <&spi0>;
3037 + __overlay__ {
3038 + status = "okay";
3039 + spidev@0{
3040 + status = "disabled";
3041 + };
3042 + };
3043 + };
3044 +
3045 + /* the interrupt pin of the can-controller */
3046 + fragment@1 {
3047 + target = <&gpio>;
3048 + __overlay__ {
3049 + can0_pins: can0_pins {
3050 + brcm,pins = <25>;
3051 + brcm,function = <0>; /* input */
3052 + };
3053 + };
3054 + };
3055 +
3056 + /* the clock/oscillator of the can-controller */
3057 + fragment@2 {
3058 + target-path = "/clocks";
3059 + __overlay__ {
3060 + /* external oscillator of mcp2515 on SPI0.0 */
3061 + can0_osc: can0_osc {
3062 + compatible = "fixed-clock";
3063 + #clock-cells = <0>;
3064 + clock-frequency = <16000000>;
3065 + };
3066 + };
3067 + };
3068 +
3069 + /* the spi config of the can-controller itself binding everything together */
3070 + fragment@3 {
3071 + target = <&spi0>;
3072 + __overlay__ {
3073 + /* needed to avoid dtc warning */
3074 + #address-cells = <1>;
3075 + #size-cells = <0>;
3076 + can0: mcp2515@0 {
3077 + reg = <0>;
3078 + compatible = "microchip,mcp2515";
3079 + pinctrl-names = "default";
3080 + pinctrl-0 = <&can0_pins>;
3081 + spi-max-frequency = <10000000>;
3082 + interrupt-parent = <&gpio>;
3083 + interrupts = <25 0x2>;
3084 + clocks = <&can0_osc>;
3085 + };
3086 + };
3087 + };
3088 + __overrides__ {
3089 + oscillator = <&can0_osc>,"clock-frequency:0";
3090 + spimaxfrequency = <&can0>,"spi-max-frequency:0";
3091 + interrupt = <&can0_pins>,"brcm,pins:0",<&can0>,"interrupts:0";
3092 + };
3093 +};
3094 --- /dev/null
3095 +++ b/arch/arm/boot/dts/overlays/mcp2515-can1-overlay.dts
3096 @@ -0,0 +1,69 @@
3097 +/*
3098 + * Device tree overlay for mcp251x/can1 on spi0.1 edited by petit_miner
3099 + */
3100 +
3101 +/dts-v1/;
3102 +/plugin/;
3103 +
3104 +/ {
3105 + compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709";
3106 + /* disable spi-dev for spi0.1 */
3107 + fragment@0 {
3108 + target = <&spi0>;
3109 + __overlay__ {
3110 + status = "okay";
3111 + spidev@1{
3112 + status = "disabled";
3113 + };
3114 + };
3115 + };
3116 +
3117 + /* the interrupt pin of the can-controller */
3118 + fragment@1 {
3119 + target = <&gpio>;
3120 + __overlay__ {
3121 + can1_pins: can1_pins {
3122 + brcm,pins = <25>;
3123 + brcm,function = <0>; /* input */
3124 + };
3125 + };
3126 + };
3127 +
3128 + /* the clock/oscillator of the can-controller */
3129 + fragment@2 {
3130 + target-path = "/clocks";
3131 + __overlay__ {
3132 + /* external oscillator of mcp2515 on spi0.1 */
3133 + can1_osc: can1_osc {
3134 + compatible = "fixed-clock";
3135 + #clock-cells = <0>;
3136 + clock-frequency = <16000000>;
3137 + };
3138 + };
3139 + };
3140 +
3141 + /* the spi config of the can-controller itself binding everything together */
3142 + fragment@3 {
3143 + target = <&spi0>;
3144 + __overlay__ {
3145 + /* needed to avoid dtc warning */
3146 + #address-cells = <1>;
3147 + #size-cells = <0>;
3148 + can1: mcp2515@1 {
3149 + reg = <1>;
3150 + compatible = "microchip,mcp2515";
3151 + pinctrl-names = "default";
3152 + pinctrl-0 = <&can1_pins>;
3153 + spi-max-frequency = <10000000>;
3154 + interrupt-parent = <&gpio>;
3155 + interrupts = <25 0x2>;
3156 + clocks = <&can1_osc>;
3157 + };
3158 + };
3159 + };
3160 + __overrides__ {
3161 + oscillator = <&can1_osc>,"clock-frequency:0";
3162 + spimaxfrequency = <&can1>,"spi-max-frequency:0";
3163 + interrupt = <&can1_pins>,"brcm,pins:0",<&can1>,"interrupts:0";
3164 + };
3165 +};
3166 --- /dev/null
3167 +++ b/arch/arm/boot/dts/overlays/mmc-overlay.dts
3168 @@ -0,0 +1,39 @@
3169 +/dts-v1/;
3170 +/plugin/;
3171 +
3172 +/{
3173 + compatible = "brcm,bcm2708";
3174 +
3175 + fragment@0 {
3176 + target = <&mmc>;
3177 + frag0: __overlay__ {
3178 + pinctrl-names = "default";
3179 + pinctrl-0 = <&mmc_pins>;
3180 + bus-width = <4>;
3181 + brcm,overclock-50 = <0>;
3182 + status = "okay";
3183 + };
3184 + };
3185 +
3186 + fragment@1 {
3187 + target = <&gpio>;
3188 + __overlay__ {
3189 + mmc_pins: mmc_pins {
3190 + brcm,pins = <48 49 50 51 52 53>;
3191 + brcm,function = <7>; /* alt3 */
3192 + };
3193 + };
3194 + };
3195 +
3196 + fragment@2 {
3197 + target = <&sdhost>;
3198 + __overlay__ {
3199 + status = "disabled";
3200 + };
3201 + };
3202 +
3203 + __overrides__ {
3204 + overclock_50 = <&frag0>,"brcm,overclock-50:0";
3205 + force_pio = <&frag0>,"brcm,force-pio?";
3206 + };
3207 +};
3208 --- /dev/null
3209 +++ b/arch/arm/boot/dts/overlays/mz61581-overlay.dts
3210 @@ -0,0 +1,111 @@
3211 +/*
3212 + * Device Tree overlay for MZ61581-PI-EXT 2014.12.28 by Tontec
3213 + *
3214 + */
3215 +
3216 +/dts-v1/;
3217 +/plugin/;
3218 +
3219 +/ {
3220 + compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
3221 +
3222 + fragment@0 {
3223 + target = <&spi0>;
3224 + __overlay__ {
3225 + status = "okay";
3226 +
3227 + spidev@0{
3228 + status = "disabled";
3229 + };
3230 +
3231 + spidev@1{
3232 + status = "disabled";
3233 + };
3234 + };
3235 + };
3236 +
3237 + fragment@1 {
3238 + target = <&gpio>;
3239 + __overlay__ {
3240 + mz61581_pins: mz61581_pins {
3241 + brcm,pins = <4 15 18 25>;
3242 + brcm,function = <0 1 1 1>; /* in out out out */
3243 + };
3244 + };
3245 + };
3246 +
3247 + fragment@2 {
3248 + target = <&spi0>;
3249 + __overlay__ {
3250 + /* needed to avoid dtc warning */
3251 + #address-cells = <1>;
3252 + #size-cells = <0>;
3253 +
3254 + mz61581: mz61581@0{
3255 + compatible = "samsung,s6d02a1";
3256 + reg = <0>;
3257 + pinctrl-names = "default";
3258 + pinctrl-0 = <&mz61581_pins>;
3259 +
3260 + spi-max-frequency = <128000000>;
3261 + spi-cpol;
3262 + spi-cpha;
3263 +
3264 + width = <320>;
3265 + height = <480>;
3266 + rotate = <270>;
3267 + bgr;
3268 + fps = <30>;
3269 + buswidth = <8>;
3270 + txbuflen = <32768>;
3271 +
3272 + reset-gpios = <&gpio 15 0>;
3273 + dc-gpios = <&gpio 25 0>;
3274 + led-gpios = <&gpio 18 0>;
3275 +
3276 + init = <0x10000b0 00
3277 + 0x1000011
3278 + 0x20000ff
3279 + 0x10000b3 0x02 0x00 0x00 0x00
3280 + 0x10000c0 0x13 0x3b 0x00 0x02 0x00 0x01 0x00 0x43
3281 + 0x10000c1 0x08 0x16 0x08 0x08
3282 + 0x10000c4 0x11 0x07 0x03 0x03
3283 + 0x10000c6 0x00
3284 + 0x10000c8 0x03 0x03 0x13 0x5c 0x03 0x07 0x14 0x08 0x00 0x21 0x08 0x14 0x07 0x53 0x0c 0x13 0x03 0x03 0x21 0x00
3285 + 0x1000035 0x00
3286 + 0x1000036 0xa0
3287 + 0x100003a 0x55
3288 + 0x1000044 0x00 0x01
3289 + 0x10000d0 0x07 0x07 0x1d 0x03
3290 + 0x10000d1 0x03 0x30 0x10
3291 + 0x10000d2 0x03 0x14 0x04
3292 + 0x1000029
3293 + 0x100002c>;
3294 +
3295 + /* This is a workaround to make sure the init sequence slows down and doesn't fail */
3296 + debug = <3>;
3297 + };
3298 +
3299 + mz61581_ts: mz61581_ts@1 {
3300 + compatible = "ti,ads7846";
3301 + reg = <1>;
3302 +
3303 + spi-max-frequency = <2000000>;
3304 + interrupts = <4 2>; /* high-to-low edge triggered */
3305 + interrupt-parent = <&gpio>;
3306 + pendown-gpio = <&gpio 4 0>;
3307 +
3308 + ti,x-plate-ohms = /bits/ 16 <60>;
3309 + ti,pressure-max = /bits/ 16 <255>;
3310 + };
3311 + };
3312 + };
3313 + __overrides__ {
3314 + speed = <&mz61581>, "spi-max-frequency:0";
3315 + rotate = <&mz61581>, "rotate:0";
3316 + fps = <&mz61581>, "fps:0";
3317 + txbuflen = <&mz61581>, "txbuflen:0";
3318 + debug = <&mz61581>, "debug:0";
3319 + xohms = <&mz61581_ts>,"ti,x-plate-ohms;0";
3320 + };
3321 +};
3322 --- /dev/null
3323 +++ b/arch/arm/boot/dts/overlays/piscreen-overlay.dts
3324 @@ -0,0 +1,96 @@
3325 +/*
3326 + * Device Tree overlay for PiScreen 3.5" display shield by Ozzmaker
3327 + *
3328 + */
3329 +
3330 +/dts-v1/;
3331 +/plugin/;
3332 +
3333 +/ {
3334 + compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
3335 +
3336 + fragment@0 {
3337 + target = <&spi0>;
3338 + __overlay__ {
3339 + status = "okay";
3340 +
3341 + spidev@0{
3342 + status = "disabled";
3343 + };
3344 +
3345 + spidev@1{
3346 + status = "disabled";
3347 + };
3348 + };
3349 + };
3350 +
3351 + fragment@1 {
3352 + target = <&gpio>;
3353 + __overlay__ {
3354 + piscreen_pins: piscreen_pins {
3355 + brcm,pins = <17 25 24 22>;
3356 + brcm,function = <0 1 1 1>; /* in out out out */
3357 + };
3358 + };
3359 + };
3360 +
3361 + fragment@2 {
3362 + target = <&spi0>;
3363 + __overlay__ {
3364 + /* needed to avoid dtc warning */
3365 + #address-cells = <1>;
3366 + #size-cells = <0>;
3367 +
3368 + piscreen: piscreen@0{
3369 + compatible = "ilitek,ili9486";
3370 + reg = <0>;
3371 + pinctrl-names = "default";
3372 + pinctrl-0 = <&piscreen_pins>;
3373 +
3374 + spi-max-frequency = <24000000>;
3375 + rotate = <270>;
3376 + bgr;
3377 + fps = <30>;
3378 + buswidth = <8>;
3379 + regwidth = <16>;
3380 + reset-gpios = <&gpio 25 0>;
3381 + dc-gpios = <&gpio 24 0>;
3382 + led-gpios = <&gpio 22 1>;
3383 + debug = <0>;
3384 +
3385 + init = <0x10000b0 0x00
3386 + 0x1000011
3387 + 0x20000ff
3388 + 0x100003a 0x55
3389 + 0x1000036 0x28
3390 + 0x10000c2 0x44
3391 + 0x10000c5 0x00 0x00 0x00 0x00
3392 + 0x10000e0 0x0f 0x1f 0x1c 0x0c 0x0f 0x08 0x48 0x98 0x37 0x0a 0x13 0x04 0x11 0x0d 0x00
3393 + 0x10000e1 0x0f 0x32 0x2e 0x0b 0x0d 0x05 0x47 0x75 0x37 0x06 0x10 0x03 0x24 0x20 0x00
3394 + 0x10000e2 0x0f 0x32 0x2e 0x0b 0x0d 0x05 0x47 0x75 0x37 0x06 0x10 0x03 0x24 0x20 0x00
3395 + 0x1000011
3396 + 0x1000029>;
3397 + };
3398 +
3399 + piscreen_ts: piscreen-ts@1 {
3400 + compatible = "ti,ads7846";
3401 + reg = <1>;
3402 +
3403 + spi-max-frequency = <2000000>;
3404 + interrupts = <17 2>; /* high-to-low edge triggered */
3405 + interrupt-parent = <&gpio>;
3406 + pendown-gpio = <&gpio 17 0>;
3407 + ti,swap-xy;
3408 + ti,x-plate-ohms = /bits/ 16 <100>;
3409 + ti,pressure-max = /bits/ 16 <255>;
3410 + };
3411 + };
3412 + };
3413 + __overrides__ {
3414 + speed = <&piscreen>,"spi-max-frequency:0";
3415 + rotate = <&piscreen>,"rotate:0";
3416 + fps = <&piscreen>,"fps:0";
3417 + debug = <&piscreen>,"debug:0";
3418 + xohms = <&piscreen_ts>,"ti,x-plate-ohms;0";
3419 + };
3420 +};
3421 --- /dev/null
3422 +++ b/arch/arm/boot/dts/overlays/pitft28-resistive-overlay.dts
3423 @@ -0,0 +1,115 @@
3424 +/*
3425 + * Device Tree overlay for Adafruit PiTFT 2.8" resistive touch screen
3426 + *
3427 + */
3428 +
3429 +/dts-v1/;
3430 +/plugin/;
3431 +
3432 +/ {
3433 + compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
3434 +
3435 + fragment@0 {
3436 + target = <&spi0>;
3437 + __overlay__ {
3438 + status = "okay";
3439 +
3440 + spidev@0{
3441 + status = "disabled";
3442 + };
3443 +
3444 + spidev@1{
3445 + status = "disabled";
3446 + };
3447 + };
3448 + };
3449 +
3450 + fragment@1 {
3451 + target = <&gpio>;
3452 + __overlay__ {
3453 + pitft_pins: pitft_pins {
3454 + brcm,pins = <24 25>;
3455 + brcm,function = <0 1>; /* in out */
3456 + brcm,pull = <2 0>; /* pullup none */
3457 + };
3458 + };
3459 + };
3460 +
3461 + fragment@2 {
3462 + target = <&spi0>;
3463 + __overlay__ {
3464 + /* needed to avoid dtc warning */
3465 + #address-cells = <1>;
3466 + #size-cells = <0>;
3467 +
3468 + pitft: pitft@0{
3469 + compatible = "ilitek,ili9340";
3470 + reg = <0>;
3471 + pinctrl-names = "default";
3472 + pinctrl-0 = <&pitft_pins>;
3473 +
3474 + spi-max-frequency = <32000000>;
3475 + rotate = <90>;
3476 + fps = <25>;
3477 + bgr;
3478 + buswidth = <8>;
3479 + dc-gpios = <&gpio 25 0>;
3480 + debug = <0>;
3481 + };
3482 +
3483 + pitft_ts@1 {
3484 + #address-cells = <1>;
3485 + #size-cells = <0>;
3486 + compatible = "st,stmpe610";
3487 + reg = <1>;
3488 +
3489 + spi-max-frequency = <500000>;
3490 + irq-gpio = <&gpio 24 0x2>; /* IRQF_TRIGGER_FALLING */
3491 + interrupts = <24 2>; /* high-to-low edge triggered */
3492 + interrupt-parent = <&gpio>;
3493 + interrupt-controller;
3494 +
3495 + stmpe_touchscreen {
3496 + compatible = "st,stmpe-ts";
3497 + st,sample-time = <4>;
3498 + st,mod-12b = <1>;
3499 + st,ref-sel = <0>;
3500 + st,adc-freq = <2>;
3501 + st,ave-ctrl = <3>;
3502 + st,touch-det-delay = <4>;
3503 + st,settling = <2>;
3504 + st,fraction-z = <7>;
3505 + st,i-drive = <0>;
3506 + };
3507 +
3508 + stmpe_gpio: stmpe_gpio {
3509 + #gpio-cells = <2>;
3510 + compatible = "st,stmpe-gpio";
3511 + /*
3512 + * only GPIO2 is wired/available
3513 + * and it is wired to the backlight
3514 + */
3515 + st,norequest-mask = <0x7b>;
3516 + };
3517 + };
3518 + };
3519 + };
3520 +
3521 + fragment@3 {
3522 + target-path = "/soc";
3523 + __overlay__ {
3524 + backlight {
3525 + compatible = "gpio-backlight";
3526 + gpios = <&stmpe_gpio 2 0>;
3527 + default-on;
3528 + };
3529 + };
3530 + };
3531 +
3532 + __overrides__ {
3533 + speed = <&pitft>,"spi-max-frequency:0";
3534 + rotate = <&pitft>,"rotate:0";
3535 + fps = <&pitft>,"fps:0";
3536 + debug = <&pitft>,"debug:0";
3537 + };
3538 +};
3539 --- /dev/null
3540 +++ b/arch/arm/boot/dts/overlays/pps-gpio-overlay.dts
3541 @@ -0,0 +1,34 @@
3542 +/dts-v1/;
3543 +/plugin/;
3544 +
3545 +/ {
3546 + compatible = "brcm,bcm2708";
3547 + fragment@0 {
3548 + target-path = "/";
3549 + __overlay__ {
3550 + pps: pps {
3551 + compatible = "pps-gpio";
3552 + pinctrl-names = "default";
3553 + pinctrl-0 = <&pps_pins>;
3554 + gpios = <&gpio 18 0>;
3555 + status = "okay";
3556 + };
3557 + };
3558 + };
3559 +
3560 + fragment@1 {
3561 + target = <&gpio>;
3562 + __overlay__ {
3563 + pps_pins: pps_pins {
3564 + brcm,pins = <18>;
3565 + brcm,function = <0>; // in
3566 + brcm,pull = <0>; // off
3567 + };
3568 + };
3569 + };
3570 +
3571 + __overrides__ {
3572 + gpiopin = <&pps>,"gpios:4",
3573 + <&pps_pins>,"brcm,pins:0";
3574 + };
3575 +};
3576 --- /dev/null
3577 +++ b/arch/arm/boot/dts/overlays/pwm-2chan-overlay.dts
3578 @@ -0,0 +1,46 @@
3579 +/dts-v1/;
3580 +/plugin/;
3581 +
3582 +/*
3583 +This is the 2-channel overlay - only use it if you need both channels.
3584 +
3585 +Legal pin,function combinations for each channel:
3586 + PWM0: 12,4(Alt0) 18,2(Alt5) 40,4(Alt0) 52,5(Alt1)
3587 + PWM1: 13,4(Alt0) 19,2(Alt5) 41,4(Alt0) 45,4(Alt0) 53,5(Alt1)
3588 +
3589 +N.B.:
3590 + 1) Pin 18 is the only one available on all platforms, and
3591 + it is the one used by the I2S audio interface.
3592 + Pins 12 and 13 might be better choices on an A+, B+ or Pi2.
3593 + 2) The onboard analogue audio output uses both PWM channels.
3594 + 3) So be careful mixing audio and PWM.
3595 +*/
3596 +
3597 +/ {
3598 + fragment@0 {
3599 + target = <&gpio>;
3600 + __overlay__ {
3601 + pwm_pins: pwm_pins {
3602 + brcm,pins = <18 19>;
3603 + brcm,function = <2 2>; /* Alt5 */
3604 + };
3605 + };
3606 + };
3607 +
3608 + fragment@1 {
3609 + target = <&pwm>;
3610 + __overlay__ {
3611 + pinctrl-names = "default";
3612 + pinctrl-0 = <&pwm_pins>;
3613 + status = "okay";
3614 + };
3615 + };
3616 +
3617 + __overrides__ {
3618 + pin = <&pwm_pins>,"brcm,pins:0";
3619 + pin2 = <&pwm_pins>,"brcm,pins:4";
3620 + func = <&pwm_pins>,"brcm,function:0";
3621 + func2 = <&pwm_pins>,"brcm,function:4";
3622 + clock = <&clk_pwm>,"clock-frequency:0";
3623 + };
3624 +};
3625 --- /dev/null
3626 +++ b/arch/arm/boot/dts/overlays/pwm-overlay.dts
3627 @@ -0,0 +1,42 @@
3628 +/dts-v1/;
3629 +/plugin/;
3630 +
3631 +/*
3632 +Legal pin,function combinations for each channel:
3633 + PWM0: 12,4(Alt0) 18,2(Alt5) 40,4(Alt0) 52,5(Alt1)
3634 + PWM1: 13,4(Alt0) 19,2(Alt5) 41,4(Alt0) 45,4(Alt0) 53,5(Alt1)
3635 +
3636 +N.B.:
3637 + 1) Pin 18 is the only one available on all platforms, and
3638 + it is the one used by the I2S audio interface.
3639 + Pins 12 and 13 might be better choices on an A+, B+ or Pi2.
3640 + 2) The onboard analogue audio output uses both PWM channels.
3641 + 3) So be careful mixing audio and PWM.
3642 +*/
3643 +
3644 +/ {
3645 + fragment@0 {
3646 + target = <&gpio>;
3647 + __overlay__ {
3648 + pwm_pins: pwm_pins {
3649 + brcm,pins = <18>;
3650 + brcm,function = <2>; /* Alt5 */
3651 + };
3652 + };
3653 + };
3654 +
3655 + fragment@1 {
3656 + target = <&pwm>;
3657 + __overlay__ {
3658 + pinctrl-names = "default";
3659 + pinctrl-0 = <&pwm_pins>;
3660 + status = "okay";
3661 + };
3662 + };
3663 +
3664 + __overrides__ {
3665 + pin = <&pwm_pins>,"brcm,pins:0";
3666 + func = <&pwm_pins>,"brcm,function:0";
3667 + clock = <&clk_pwm>,"clock-frequency:0";
3668 + };
3669 +};
3670 --- /dev/null
3671 +++ b/arch/arm/boot/dts/overlays/raspidac3-overlay.dts
3672 @@ -0,0 +1,45 @@
3673 +// Definitions for RaspiDACv3
3674 +/dts-v1/;
3675 +/plugin/;
3676 +
3677 +/ {
3678 + compatible = "brcm,bcm2708";
3679 +
3680 + fragment@0 {
3681 + target = <&sound>;
3682 + __overlay__ {
3683 + compatible = "jg,raspidacv3";
3684 + i2s-controller = <&i2s>;
3685 + status = "okay";
3686 + };
3687 + };
3688 +
3689 + fragment@1 {
3690 + target = <&i2s>;
3691 + __overlay__ {
3692 + status = "okay";
3693 + };
3694 + };
3695 +
3696 + fragment@2 {
3697 + target = <&i2c1>;
3698 + __overlay__ {
3699 + #address-cells = <1>;
3700 + #size-cells = <0>;
3701 + status = "okay";
3702 +
3703 + pcm5122@4c {
3704 + #sound-dai-cells = <0>;
3705 + compatible = "ti,pcm5122";
3706 + reg = <0x4c>;
3707 + status = "okay";
3708 + };
3709 +
3710 + tpa6130a2: tpa6130a2@60 {
3711 + compatible = "ti,tpa6130a2";
3712 + reg = <0x60>;
3713 + status = "okay";
3714 + };
3715 + };
3716 + };
3717 +};
3718 --- /dev/null
3719 +++ b/arch/arm/boot/dts/overlays/rpi-dac-overlay.dts
3720 @@ -0,0 +1,34 @@
3721 +// Definitions for RPi DAC
3722 +/dts-v1/;
3723 +/plugin/;
3724 +
3725 +/ {
3726 + compatible = "brcm,bcm2708";
3727 +
3728 + fragment@0 {
3729 + target = <&sound>;
3730 + __overlay__ {
3731 + compatible = "rpi,rpi-dac";
3732 + i2s-controller = <&i2s>;
3733 + status = "okay";
3734 + };
3735 + };
3736 +
3737 + fragment@1 {
3738 + target = <&i2s>;
3739 + __overlay__ {
3740 + status = "okay";
3741 + };
3742 + };
3743 +
3744 + fragment@2 {
3745 + target-path = "/";
3746 + __overlay__ {
3747 + pcm1794a-codec {
3748 + #sound-dai-cells = <0>;
3749 + compatible = "ti,pcm1794a";
3750 + status = "okay";
3751 + };
3752 + };
3753 + };
3754 +};
3755 --- /dev/null
3756 +++ b/arch/arm/boot/dts/overlays/rpi-display-overlay.dts
3757 @@ -0,0 +1,82 @@
3758 +/*
3759 + * Device Tree overlay for rpi-display by Watterott
3760 + *
3761 + */
3762 +
3763 +/dts-v1/;
3764 +/plugin/;
3765 +
3766 +/ {
3767 + compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
3768 +
3769 + fragment@0 {
3770 + target = <&spi0>;
3771 + __overlay__ {
3772 + status = "okay";
3773 +
3774 + spidev@0{
3775 + status = "disabled";
3776 + };
3777 +
3778 + spidev@1{
3779 + status = "disabled";
3780 + };
3781 + };
3782 + };
3783 +
3784 + fragment@1 {
3785 + target = <&gpio>;
3786 + __overlay__ {
3787 + rpi_display_pins: rpi_display_pins {
3788 + brcm,pins = <18 23 24 25>;
3789 + brcm,function = <1 1 1 0>; /* out out out in */
3790 + brcm,pull = <0 0 0 2>; /* - - - up */
3791 + };
3792 + };
3793 + };
3794 +
3795 + fragment@2 {
3796 + target = <&spi0>;
3797 + __overlay__ {
3798 + /* needed to avoid dtc warning */
3799 + #address-cells = <1>;
3800 + #size-cells = <0>;
3801 +
3802 + rpidisplay: rpi-display@0{
3803 + compatible = "ilitek,ili9341";
3804 + reg = <0>;
3805 + pinctrl-names = "default";
3806 + pinctrl-0 = <&rpi_display_pins>;
3807 +
3808 + spi-max-frequency = <32000000>;
3809 + rotate = <270>;
3810 + bgr;
3811 + fps = <30>;
3812 + buswidth = <8>;
3813 + reset-gpios = <&gpio 23 0>;
3814 + dc-gpios = <&gpio 24 0>;
3815 + led-gpios = <&gpio 18 1>;
3816 + debug = <0>;
3817 + };
3818 +
3819 + rpidisplay_ts: rpi-display-ts@1 {
3820 + compatible = "ti,ads7846";
3821 + reg = <1>;
3822 +
3823 + spi-max-frequency = <2000000>;
3824 + interrupts = <25 2>; /* high-to-low edge triggered */
3825 + interrupt-parent = <&gpio>;
3826 + pendown-gpio = <&gpio 25 0>;
3827 + ti,x-plate-ohms = /bits/ 16 <60>;
3828 + ti,pressure-max = /bits/ 16 <255>;
3829 + };
3830 + };
3831 + };
3832 + __overrides__ {
3833 + speed = <&rpidisplay>,"spi-max-frequency:0";
3834 + rotate = <&rpidisplay>,"rotate:0";
3835 + fps = <&rpidisplay>,"fps:0";
3836 + debug = <&rpidisplay>,"debug:0";
3837 + xohms = <&rpidisplay_ts>,"ti,x-plate-ohms;0";
3838 + };
3839 +};
3840 --- /dev/null
3841 +++ b/arch/arm/boot/dts/overlays/rpi-ft5406-overlay.dts
3842 @@ -0,0 +1,17 @@
3843 +/dts-v1/;
3844 +/plugin/;
3845 +
3846 +/ {
3847 + compatible = "brcm,bcm2708";
3848 +
3849 + fragment@0 {
3850 + target-path = "/";
3851 + __overlay__ {
3852 + rpi_ft5406: rpi_ft5406 {
3853 + compatible = "rpi,rpi-ft5406";
3854 + firmware = <&firmware>;
3855 + status = "okay";
3856 + };
3857 + };
3858 + };
3859 +};
3860 --- /dev/null
3861 +++ b/arch/arm/boot/dts/overlays/rpi-proto-overlay.dts
3862 @@ -0,0 +1,39 @@
3863 +// Definitions for Rpi-Proto
3864 +/dts-v1/;
3865 +/plugin/;
3866 +
3867 +/ {
3868 + compatible = "brcm,bcm2708";
3869 +
3870 + fragment@0 {
3871 + target = <&sound>;
3872 + __overlay__ {
3873 + compatible = "rpi,rpi-proto";
3874 + i2s-controller = <&i2s>;
3875 + status = "okay";
3876 + };
3877 + };
3878 +
3879 + fragment@1 {
3880 + target = <&i2s>;
3881 + __overlay__ {
3882 + status = "okay";
3883 + };
3884 + };
3885 +
3886 + fragment@2 {
3887 + target = <&i2c1>;
3888 + __overlay__ {
3889 + #address-cells = <1>;
3890 + #size-cells = <0>;
3891 + status = "okay";
3892 +
3893 + wm8731@1a {
3894 + #sound-dai-cells = <0>;
3895 + compatible = "wlf,wm8731";
3896 + reg = <0x1a>;
3897 + status = "okay";
3898 + };
3899 + };
3900 + };
3901 +};
3902 --- /dev/null
3903 +++ b/arch/arm/boot/dts/overlays/rpi-sense-overlay.dts
3904 @@ -0,0 +1,47 @@
3905 +// rpi-sense HAT
3906 +/dts-v1/;
3907 +/plugin/;
3908 +
3909 +/ {
3910 + compatible = "brcm,bcm2708", "brcm,bcm2709";
3911 +
3912 + fragment@0 {
3913 + target = <&i2c1>;
3914 + __overlay__ {
3915 + #address-cells = <1>;
3916 + #size-cells = <0>;
3917 + status = "okay";
3918 +
3919 + rpi-sense@46 {
3920 + compatible = "rpi,rpi-sense";
3921 + reg = <0x46>;
3922 + keys-int-gpios = <&gpio 23 1>;
3923 + status = "okay";
3924 + };
3925 +
3926 + lsm9ds1-magn@1c {
3927 + compatible = "st,lsm9ds1-magn";
3928 + reg = <0x1c>;
3929 + status = "okay";
3930 + };
3931 +
3932 + lsm9ds1-accel6a {
3933 + compatible = "st,lsm9ds1-accel";
3934 + reg = <0x6a>;
3935 + status = "okay";
3936 + };
3937 +
3938 + lps25h-press@5c {
3939 + compatible = "st,lps25h-press";
3940 + reg = <0x5c>;
3941 + status = "okay";
3942 + };
3943 +
3944 + hts221-humid@5f {
3945 + compatible = "st,hts221-humid";
3946 + reg = <0x5f>;
3947 + status = "okay";
3948 + };
3949 + };
3950 + };
3951 +};
3952 --- /dev/null
3953 +++ b/arch/arm/boot/dts/overlays/sdhost-overlay.dts
3954 @@ -0,0 +1,29 @@
3955 +/dts-v1/;
3956 +/plugin/;
3957 +
3958 +/{
3959 + compatible = "brcm,bcm2708";
3960 +
3961 + fragment@0 {
3962 + target = <&mmc>;
3963 + __overlay__ {
3964 + status = "disabled";
3965 + };
3966 + };
3967 +
3968 + fragment@1 {
3969 + target = <&sdhost>;
3970 + frag1: __overlay__ {
3971 + brcm,overclock-50 = <0>;
3972 + brcm,pio-limit = <1>;
3973 + status = "okay";
3974 + };
3975 + };
3976 +
3977 + __overrides__ {
3978 + overclock_50 = <&frag1>,"brcm,overclock-50:0";
3979 + force_pio = <&frag1>,"brcm,force-pio?";
3980 + pio_limit = <&frag1>,"brcm,pio-limit:0";
3981 + debug = <&frag1>,"brcm,debug?";
3982 + };
3983 +};
3984 --- /dev/null
3985 +++ b/arch/arm/boot/dts/overlays/sdio-overlay.dts
3986 @@ -0,0 +1,32 @@
3987 +/* Enable SDIO from MMC interface via GPIOs 22-27. Includes sdhost overlay. */
3988 +
3989 +/include/ "sdhost-overlay.dts"
3990 +
3991 +/{
3992 + compatible = "brcm,bcm2708";
3993 +
3994 + fragment@3 {
3995 + target = <&mmc>;
3996 + sdio_mmc: __overlay__ {
3997 + pinctrl-names = "default";
3998 + pinctrl-0 = <&sdio_pins>;
3999 + non-removable;
4000 + status = "okay";
4001 + };
4002 + };
4003 +
4004 + fragment@4 {
4005 + target = <&gpio>;
4006 + __overlay__ {
4007 + sdio_pins: sdio_pins {
4008 + brcm,pins = <22 23 24 25 26 27>;
4009 + brcm,function = <7 7 7 7 7 7>; /* ALT3 = SD1 */
4010 + brcm,pull = <0 2 2 2 2 2>;
4011 + };
4012 + };
4013 + };
4014 +
4015 + __overrides__ {
4016 + poll_once = <&sdio_mmc>,"non-removable?";
4017 + };
4018 +};
4019 --- /dev/null
4020 +++ b/arch/arm/boot/dts/overlays/smi-dev-overlay.dts
4021 @@ -0,0 +1,18 @@
4022 +// Description: Overlay to enable character device interface for SMI.
4023 +// Author: Luke Wren <luke@raspberrypi.org>
4024 +
4025 +/dts-v1/;
4026 +/plugin/;
4027 +
4028 +/{
4029 + fragment@0 {
4030 + target = <&soc>;
4031 + __overlay__ {
4032 + smi_dev {
4033 + compatible = "brcm,bcm2835-smi-dev";
4034 + smi_handle = <&smi>;
4035 + status = "okay";
4036 + };
4037 + };
4038 + };
4039 +};
4040 --- /dev/null
4041 +++ b/arch/arm/boot/dts/overlays/smi-nand-overlay.dts
4042 @@ -0,0 +1,69 @@
4043 +// Description: Overlay to enable NAND flash through
4044 +// the secondary memory interface
4045 +// Author: Luke Wren
4046 +
4047 +/dts-v1/;
4048 +/plugin/;
4049 +
4050 +/{
4051 + compatible = "brcm,bcm2708";
4052 +
4053 + fragment@0 {
4054 + target = <&smi>;
4055 + __overlay__ {
4056 + pinctrl-names = "default";
4057 + pinctrl-0 = <&smi_pins>;
4058 + status = "okay";
4059 + };
4060 + };
4061 +
4062 + fragment@1 {
4063 + target = <&soc>;
4064 + __overlay__ {
4065 + #address-cells = <1>;
4066 + #size-cells = <1>;
4067 +
4068 + nand: flash@0 {
4069 + compatible = "brcm,bcm2835-smi-nand";
4070 + smi_handle = <&smi>;
4071 + #address-cells = <1>;
4072 + #size-cells = <1>;
4073 + status = "okay";
4074 +
4075 + partition@0 {
4076 + label = "stage2";
4077 + // 128k
4078 + reg = <0 0x20000>;
4079 + read-only;
4080 + };
4081 + partition@1 {
4082 + label = "firmware";
4083 + // 16M
4084 + reg = <0x20000 0x1000000>;
4085 + read-only;
4086 + };
4087 + partition@2 {
4088 + label = "root";
4089 + // 2G (will need to use 64 bit for >=4G)
4090 + reg = <0x1020000 0x80000000>;
4091 + };
4092 + };
4093 + };
4094 + };
4095 +
4096 + fragment@2 {
4097 + target = <&gpio>;
4098 + __overlay__ {
4099 + smi_pins: smi_pins {
4100 + brcm,pins = <0 1 2 3 4 5 6 7 8 9 10 11
4101 + 12 13 14 15>;
4102 + /* Alt 1: SMI */
4103 + brcm,function = <5 5 5 5 5 5 5 5 5 5 5
4104 + 5 5 5 5 5>;
4105 + /* /CS, /WE and /OE are pulled high, as they are
4106 + generally active low signals */
4107 + brcm,pull = <2 2 2 2 2 2 2 2 0 0 0 0 0 0 0 0>;
4108 + };
4109 + };
4110 + };
4111 +};
4112 --- /dev/null
4113 +++ b/arch/arm/boot/dts/overlays/smi-overlay.dts
4114 @@ -0,0 +1,37 @@
4115 +// Description: Overlay to enable the secondary memory interface peripheral
4116 +// Author: Luke Wren
4117 +
4118 +/dts-v1/;
4119 +/plugin/;
4120 +
4121 +/{
4122 + compatible = "brcm,bcm2708";
4123 +
4124 + fragment@0 {
4125 + target = <&smi>;
4126 + __overlay__ {
4127 + pinctrl-names = "default";
4128 + pinctrl-0 = <&smi_pins>;
4129 + status = "okay";
4130 + };
4131 + };
4132 +
4133 + fragment@1 {
4134 + target = <&gpio>;
4135 + __overlay__ {
4136 + smi_pins: smi_pins {
4137 + /* Don't configure the top two address bits, as
4138 + these are already used as ID_SD and ID_SC */
4139 + brcm,pins = <2 3 4 5 6 7 8 9 10 11 12 13 14 15
4140 + 16 17 18 19 20 21 22 23 24 25>;
4141 + /* Alt 0: SMI */
4142 + brcm,function = <5 5 5 5 5 5 5 5 5 5 5 5 5 5 5
4143 + 5 5 5 5 5 5 5 5 5>;
4144 + /* /CS, /WE and /OE are pulled high, as they are
4145 + generally active low signals */
4146 + brcm,pull = <2 2 2 2 2 2 0 0 0 0 0 0 0 0 0 0 0
4147 + 0 0 0 0 0 0 0>;
4148 + };
4149 + };
4150 + };
4151 +};
4152 --- /dev/null
4153 +++ b/arch/arm/boot/dts/overlays/spi-gpio35-39-overlay.dts
4154 @@ -0,0 +1,31 @@
4155 +/*
4156 + * Device tree overlay to move spi0 to gpio 35 to 39 on CM
4157 + */
4158 +
4159 +/dts-v1/;
4160 +/plugin/;
4161 +
4162 +/ {
4163 + compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709";
4164 +
4165 + fragment@0 {
4166 + target = <&spi0>;
4167 + __overlay__ {
4168 + cs-gpios = <&gpio 36 1>, <&gpio 35 1>;
4169 + };
4170 + };
4171 +
4172 + fragment@1 {
4173 + target = <&spi0_cs_pins>;
4174 + __overlay__ {
4175 + bcrm,pins = <36 35>;
4176 + };
4177 + };
4178 +
4179 + fragment@2 {
4180 + target = <&spi0_pins>;
4181 + __overlay__ {
4182 + bcrm,pins = <37 38 39>;
4183 + };
4184 + };
4185 +};
4186 --- /dev/null
4187 +++ b/arch/arm/boot/dts/overlays/tinylcd35-overlay.dts
4188 @@ -0,0 +1,216 @@
4189 +/*
4190 + * tinylcd35-overlay.dts
4191 + *
4192 + * -------------------------------------------------
4193 + * www.tinlylcd.com
4194 + * -------------------------------------------------
4195 + * Device---Driver-----BUS GPIO's
4196 + * display tinylcd35 spi0.0 25 24 18
4197 + * touch ads7846 spi0.1 5
4198 + * rtc ds1307 i2c1-0068
4199 + * rtc pcf8563 i2c1-0051
4200 + * keypad gpio-keys --------- 17 22 27 23 28
4201 + *
4202 + *
4203 + * TinyLCD.com 3.5 inch TFT
4204 + *
4205 + * Version 001
4206 + * 5/3/2015 -- Noralf Trønnes Initial Device tree framework
4207 + * 10/3/2015 -- tinylcd@gmail.com added ds1307 support.
4208 + *
4209 + */
4210 +
4211 +/dts-v1/;
4212 +/plugin/;
4213 +
4214 +/ {
4215 + compatible = "brcm,bcm2835", "brcm,bcm2708", "brcm,bcm2709";
4216 +
4217 + fragment@0 {
4218 + target = <&spi0>;
4219 + __overlay__ {
4220 + status = "okay";
4221 +
4222 + spidev@0{
4223 + status = "disabled";
4224 + };
4225 +
4226 + spidev@1{
4227 + status = "disabled";
4228 + };
4229 + };
4230 + };
4231 +
4232 + fragment@1 {
4233 + target = <&gpio>;
4234 + __overlay__ {
4235 + tinylcd35_pins: tinylcd35_pins {
4236 + brcm,pins = <25 24 18>;
4237 + brcm,function = <1>; /* out */
4238 + };
4239 + tinylcd35_ts_pins: tinylcd35_ts_pins {
4240 + brcm,pins = <5>;
4241 + brcm,function = <0>; /* in */
4242 + };
4243 + keypad_pins: keypad_pins {
4244 + brcm,pins = <4 17 22 23 27>;
4245 + brcm,function = <0>; /* in */
4246 + brcm,pull = <1>; /* down */
4247 + };
4248 + };
4249 + };
4250 +
4251 + fragment@2 {
4252 + target = <&spi0>;
4253 + __overlay__ {
4254 + /* needed to avoid dtc warning */
4255 + #address-cells = <1>;
4256 + #size-cells = <0>;
4257 +
4258 + tinylcd35: tinylcd35@0{
4259 + compatible = "neosec,tinylcd";
4260 + reg = <0>;
4261 + pinctrl-names = "default";
4262 + pinctrl-0 = <&tinylcd35_pins>,
4263 + <&tinylcd35_ts_pins>;
4264 +
4265 + spi-max-frequency = <48000000>;
4266 + rotate = <270>;
4267 + fps = <20>;
4268 + bgr;
4269 + buswidth = <8>;
4270 + reset-gpios = <&gpio 25 0>;
4271 + dc-gpios = <&gpio 24 0>;
4272 + led-gpios = <&gpio 18 1>;
4273 + debug = <0>;
4274 +
4275 + init = <0x10000B0 0x80
4276 + 0x10000C0 0x0A 0x0A
4277 + 0x10000C1 0x01 0x01
4278 + 0x10000C2 0x33
4279 + 0x10000C5 0x00 0x42 0x80
4280 + 0x10000B1 0xD0 0x11
4281 + 0x10000B4 0x02
4282 + 0x10000B6 0x00 0x22 0x3B
4283 + 0x10000B7 0x07
4284 + 0x1000036 0x58
4285 + 0x10000F0 0x36 0xA5 0xD3
4286 + 0x10000E5 0x80
4287 + 0x10000E5 0x01
4288 + 0x10000B3 0x00
4289 + 0x10000E5 0x00
4290 + 0x10000F0 0x36 0xA5 0x53
4291 + 0x10000E0 0x00 0x35 0x33 0x00 0x00 0x00 0x00 0x35 0x33 0x00 0x00 0x00
4292 + 0x100003A 0x55
4293 + 0x1000011
4294 + 0x2000001
4295 + 0x1000029>;
4296 + };
4297 +
4298 + tinylcd35_ts: tinylcd35_ts@1 {
4299 + compatible = "ti,ads7846";
4300 + reg = <1>;
4301 + status = "disabled";
4302 +
4303 + spi-max-frequency = <2000000>;
4304 + interrupts = <5 2>; /* high-to-low edge triggered */
4305 + interrupt-parent = <&gpio>;
4306 + pendown-gpio = <&gpio 5 0>;
4307 + ti,x-plate-ohms = /bits/ 16 <100>;
4308 + ti,pressure-max = /bits/ 16 <255>;
4309 + };
4310 + };
4311 + };
4312 +
4313 + /* RTC */
4314 +
4315 + fragment@3 {
4316 + target = <&i2c1>;
4317 + __overlay__ {
4318 + #address-cells = <1>;
4319 + #size-cells = <0>;
4320 +
4321 + pcf8563: pcf8563@51 {
4322 + compatible = "nxp,pcf8563";
4323 + reg = <0x51>;
4324 + status = "disabled";
4325 + };
4326 + };
4327 + };
4328 +
4329 + fragment@4 {
4330 + target = <&i2c1>;
4331 + __overlay__ {
4332 + #address-cells = <1>;
4333 + #size-cells = <0>;
4334 +
4335 + ds1307: ds1307@68 {
4336 + compatible = "maxim,ds1307";
4337 + reg = <0x68>;
4338 + status = "disabled";
4339 + };
4340 + };
4341 + };
4342 +
4343 + /*
4344 + * Values for input event code is found under the
4345 + * 'Keys and buttons' heading in include/uapi/linux/input.h
4346 + */
4347 + fragment@5 {
4348 + target-path = "/soc";
4349 + __overlay__ {
4350 + keypad: keypad {
4351 + compatible = "gpio-keys";
4352 + #address-cells = <1>;
4353 + #size-cells = <0>;
4354 + pinctrl-names = "default";
4355 + pinctrl-0 = <&keypad_pins>;
4356 + status = "disabled";
4357 + autorepeat;
4358 +
4359 + button@17 {
4360 + label = "GPIO KEY_UP";
4361 + linux,code = <103>;
4362 + gpios = <&gpio 17 0>;
4363 + };
4364 + button@22 {
4365 + label = "GPIO KEY_DOWN";
4366 + linux,code = <108>;
4367 + gpios = <&gpio 22 0>;
4368 + };
4369 + button@27 {
4370 + label = "GPIO KEY_LEFT";
4371 + linux,code = <105>;
4372 + gpios = <&gpio 27 0>;
4373 + };
4374 + button@23 {
4375 + label = "GPIO KEY_RIGHT";
4376 + linux,code = <106>;
4377 + gpios = <&gpio 23 0>;
4378 + };
4379 + button@4 {
4380 + label = "GPIO KEY_ENTER";
4381 + linux,code = <28>;
4382 + gpios = <&gpio 4 0>;
4383 + };
4384 + };
4385 + };
4386 + };
4387 +
4388 + __overrides__ {
4389 + speed = <&tinylcd35>,"spi-max-frequency:0";
4390 + rotate = <&tinylcd35>,"rotate:0";
4391 + fps = <&tinylcd35>,"fps:0";
4392 + debug = <&tinylcd35>,"debug:0";
4393 + touch = <&tinylcd35_ts>,"status";
4394 + touchgpio = <&tinylcd35_ts_pins>,"brcm,pins:0",
4395 + <&tinylcd35_ts>,"interrupts:0",
4396 + <&tinylcd35_ts>,"pendown-gpio:4";
4397 + xohms = <&tinylcd35_ts>,"ti,x-plate-ohms;0";
4398 + rtc-pcf = <&i2c1>,"status",
4399 + <&pcf8563>,"status";
4400 + rtc-ds = <&i2c1>,"status",
4401 + <&ds1307>,"status";
4402 + keypad = <&keypad>,"status";
4403 + };
4404 +};
4405 --- /dev/null
4406 +++ b/arch/arm/boot/dts/overlays/uart1-overlay.dts
4407 @@ -0,0 +1,38 @@
4408 +/dts-v1/;
4409 +/plugin/;
4410 +
4411 +/{
4412 + compatible = "brcm,bcm2708";
4413 +
4414 + fragment@0 {
4415 + target = <&uart1>;
4416 + __overlay__ {
4417 + pinctrl-names = "default";
4418 + pinctrl-0 = <&uart1_pins>;
4419 + status = "okay";
4420 + };
4421 + };
4422 +
4423 + fragment@1 {
4424 + target = <&gpio>;
4425 + __overlay__ {
4426 + uart1_pins: uart1_pins {
4427 + brcm,pins = <14 15>;
4428 + brcm,function = <2>; /* alt5 */
4429 + brcm,pull = <0 2>;
4430 + };
4431 + };
4432 + };
4433 +
4434 + fragment@2 {
4435 + target-path = "/chosen";
4436 + __overlay__ {
4437 + bootargs = "8250.nr_uarts=1";
4438 + };
4439 + };
4440 +
4441 + __overrides__ {
4442 + txd1_pin = <&uart1_pins>,"brcm,pins:0";
4443 + rxd1_pin = <&uart1_pins>,"brcm,pins:4";
4444 + };
4445 +};
4446 --- /dev/null
4447 +++ b/arch/arm/boot/dts/overlays/vga666-overlay.dts
4448 @@ -0,0 +1,30 @@
4449 +/dts-v1/;
4450 +/plugin/;
4451 +
4452 +/{
4453 + compatible = "brcm,bcm2708";
4454 +
4455 + // There is no VGA driver module, but we need a platform device
4456 + // node (that doesn't already use pinctrl) to hang the pinctrl
4457 + // reference on - leds will do
4458 +
4459 + fragment@0 {
4460 + target = <&leds>;
4461 + __overlay__ {
4462 + pinctrl-names = "default";
4463 + pinctrl-0 = <&vga666_pins>;
4464 + };
4465 + };
4466 +
4467 + fragment@1 {
4468 + target = <&gpio>;
4469 + __overlay__ {
4470 + vga666_pins: vga666_pins {
4471 + brcm,pins = <2 3 4 5 6 7 8 9 10 11 12
4472 + 13 14 15 16 17 18 19 20 21>;
4473 + brcm,function = <6>; /* alt2 */
4474 + brcm,pull = <0>; /* no pull */
4475 + };
4476 + };
4477 + };
4478 +};
4479 --- /dev/null
4480 +++ b/arch/arm/boot/dts/overlays/w1-gpio-overlay.dts
4481 @@ -0,0 +1,39 @@
4482 +// Definitions for w1-gpio module (without external pullup)
4483 +/dts-v1/;
4484 +/plugin/;
4485 +
4486 +/ {
4487 + compatible = "brcm,bcm2708";
4488 +
4489 + fragment@0 {
4490 + target-path = "/";
4491 + __overlay__ {
4492 +
4493 + w1: onewire@0 {
4494 + compatible = "w1-gpio";
4495 + pinctrl-names = "default";
4496 + pinctrl-0 = <&w1_pins>;
4497 + gpios = <&gpio 4 0>;
4498 + rpi,parasitic-power = <0>;
4499 + status = "okay";
4500 + };
4501 + };
4502 + };
4503 +
4504 + fragment@1 {
4505 + target = <&gpio>;
4506 + __overlay__ {
4507 + w1_pins: w1_pins {
4508 + brcm,pins = <4>;
4509 + brcm,function = <0>; // in (initially)
4510 + brcm,pull = <0>; // off
4511 + };
4512 + };
4513 + };
4514 +
4515 + __overrides__ {
4516 + gpiopin = <&w1>,"gpios:4",
4517 + <&w1_pins>,"brcm,pins:0";
4518 + pullup = <&w1>,"rpi,parasitic-power:0";
4519 + };
4520 +};
4521 --- /dev/null
4522 +++ b/arch/arm/boot/dts/overlays/w1-gpio-pullup-overlay.dts
4523 @@ -0,0 +1,41 @@
4524 +// Definitions for w1-gpio module (with external pullup)
4525 +/dts-v1/;
4526 +/plugin/;
4527 +
4528 +/ {
4529 + compatible = "brcm,bcm2708";
4530 +
4531 + fragment@0 {
4532 + target-path = "/";
4533 + __overlay__ {
4534 +
4535 + w1: onewire@0 {
4536 + compatible = "w1-gpio";
4537 + pinctrl-names = "default";
4538 + pinctrl-0 = <&w1_pins>;
4539 + gpios = <&gpio 4 0>, <&gpio 5 1>;
4540 + rpi,parasitic-power = <0>;
4541 + status = "okay";
4542 + };
4543 + };
4544 + };
4545 +
4546 + fragment@1 {
4547 + target = <&gpio>;
4548 + __overlay__ {
4549 + w1_pins: w1_pins {
4550 + brcm,pins = <4 5>;
4551 + brcm,function = <0 1>; // in out
4552 + brcm,pull = <0 0>; // off off
4553 + };
4554 + };
4555 + };
4556 +
4557 + __overrides__ {
4558 + gpiopin = <&w1>,"gpios:4",
4559 + <&w1_pins>,"brcm,pins:0";
4560 + extpullup = <&w1>,"gpios:16",
4561 + <&w1_pins>,"brcm,pins:4";
4562 + pullup = <&w1>,"rpi,parasitic-power:0";
4563 + };
4564 +};
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