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brcm2708: update linux 4.4 patches to latest version
[openwrt/openwrt.git] / target / linux / brcm2708 / patches-4.4 / 0145-BCM270X_DT-Adjust-overlay-README-formatting.patch
1 From 14ba431031afa218c0db43a7c20fe54916f8d357 Mon Sep 17 00:00:00 2001
2 From: Phil Elwell <phil@raspberrypi.org>
3 Date: Mon, 8 Feb 2016 09:46:33 +0000
4 Subject: [PATCH 145/170] BCM270X_DT: Adjust overlay README formatting
5
6 ---
7 arch/arm/boot/dts/overlays/README | 420 +++++++++++++++++++-------------------
8 1 file changed, 210 insertions(+), 210 deletions(-)
9
10 --- a/arch/arm/boot/dts/overlays/README
11 +++ b/arch/arm/boot/dts/overlays/README
12 @@ -83,58 +83,58 @@ Name: <The base DTB>
13 Info: Configures the base Raspberry Pi hardware
14 Load: <loaded automatically>
15 Params:
16 - audio Set to "on" to enable the onboard ALSA audio
17 - interface (default "off")
18 + audio Set to "on" to enable the onboard ALSA audio
19 + interface (default "off")
20
21 - i2c_arm Set to "on" to enable the ARM's i2c interface
22 - (default "off")
23 + i2c_arm Set to "on" to enable the ARM's i2c interface
24 + (default "off")
25
26 - i2c_vc Set to "on" to enable the i2c interface
27 - usually reserved for the VideoCore processor
28 - (default "off")
29 + i2c_vc Set to "on" to enable the i2c interface
30 + usually reserved for the VideoCore processor
31 + (default "off")
32
33 - i2c An alias for i2c_arm
34 + i2c An alias for i2c_arm
35
36 - i2c_arm_baudrate Set the baudrate of the ARM's i2c interface
37 - (default "100000")
38 + i2c_arm_baudrate Set the baudrate of the ARM's i2c interface
39 + (default "100000")
40
41 - i2c_vc_baudrate Set the baudrate of the VideoCore i2c interface
42 - (default "100000")
43 + i2c_vc_baudrate Set the baudrate of the VideoCore i2c interface
44 + (default "100000")
45
46 - i2c_baudrate An alias for i2c_arm_baudrate
47 + i2c_baudrate An alias for i2c_arm_baudrate
48
49 - i2s Set to "on" to enable the i2s interface
50 - (default "off")
51 + i2s Set to "on" to enable the i2s interface
52 + (default "off")
53
54 - spi Set to "on" to enable the spi interfaces
55 - (default "off")
56 + spi Set to "on" to enable the spi interfaces
57 + (default "off")
58
59 - random Set to "on" to enable the hardware random
60 - number generator (default "on")
61 + random Set to "on" to enable the hardware random
62 + number generator (default "on")
63
64 - uart0 Set to "off" to disable uart0 (default "on")
65 + uart0 Set to "off" to disable uart0 (default "on")
66
67 - watchdog Set to "on" to enable the hardware watchdog
68 - (default "off")
69 + watchdog Set to "on" to enable the hardware watchdog
70 + (default "off")
71
72 - act_led_trigger Choose which activity the LED tracks.
73 - Use "heartbeat" for a nice load indicator.
74 - (default "mmc")
75 + act_led_trigger Choose which activity the LED tracks.
76 + Use "heartbeat" for a nice load indicator.
77 + (default "mmc")
78
79 - act_led_activelow Set to "on" to invert the sense of the LED
80 - (default "off")
81 + act_led_activelow Set to "on" to invert the sense of the LED
82 + (default "off")
83
84 - act_led_gpio Set which GPIO to use for the activity LED
85 - (in case you want to connect it to an external
86 - device)
87 - (default "16" on a non-Plus board, "47" on a
88 - Plus or Pi 2)
89 + act_led_gpio Set which GPIO to use for the activity LED
90 + (in case you want to connect it to an external
91 + device)
92 + (default "16" on a non-Plus board, "47" on a
93 + Plus or Pi 2)
94
95 pwr_led_trigger
96 pwr_led_activelow
97 pwr_led_gpio
98 - As for act_led_*, but using the PWR LED.
99 - Not available on Model A/B boards.
100 + As for act_led_*, but using the PWR LED.
101 + Not available on Model A/B boards.
102
103 N.B. It is recommended to only enable those interfaces that are needed.
104 Leaving all interfaces enabled can lead to unwanted behaviour (i2c_vc
105 @@ -149,19 +149,19 @@ Params:
106 Name: ads7846
107 Info: ADS7846 Touch controller
108 Load: dtoverlay=ads7846,<param>=<val>
109 -Params: cs SPI bus Chip Select (default 1)
110 - speed SPI bus speed (default 2MHz, max 3.25MHz)
111 - penirq GPIO used for PENIRQ. REQUIRED
112 - penirq_pull Set GPIO pull (default 0=none, 2=pullup)
113 - swapxy Swap x and y axis
114 - xmin Minimum value on the X axis (default 0)
115 - ymin Minimum value on the Y axis (default 0)
116 - xmax Maximum value on the X axis (default 4095)
117 - ymax Maximum value on the Y axis (default 4095)
118 - pmin Minimum reported pressure value (default 0)
119 - pmax Maximum reported pressure value (default 65535)
120 - xohms Touchpanel sensitivity (X-plate resistance)
121 - (default 400)
122 +Params: cs SPI bus Chip Select (default 1)
123 + speed SPI bus speed (default 2MHz, max 3.25MHz)
124 + penirq GPIO used for PENIRQ. REQUIRED
125 + penirq_pull Set GPIO pull (default 0=none, 2=pullup)
126 + swapxy Swap x and y axis
127 + xmin Minimum value on the X axis (default 0)
128 + ymin Minimum value on the Y axis (default 0)
129 + xmax Maximum value on the X axis (default 4095)
130 + ymax Maximum value on the Y axis (default 4095)
131 + pmin Minimum reported pressure value (default 0)
132 + pmax Maximum reported pressure value (default 65535)
133 + xohms Touchpanel sensitivity (X-plate resistance)
134 + (default 400)
135
136 penirq is required and usually xohms (60-100) has to be set as well.
137 Apart from that, pmax (255) and swapxy are also common.
138 @@ -175,12 +175,12 @@ Name: at86rf233
139 Info: Configures the Atmel AT86RF233 802.15.4 low-power WPAN transceiver,
140 connected to spi0.0
141 Load: dtoverlay=at86rf233,<param>=<val>
142 -Params: interrupt GPIO used for INT (default 23)
143 - reset GPIO used for Reset (default 24)
144 - sleep GPIO used for Sleep (default 25)
145 - speed SPI bus speed in Hz (default 6000000)
146 - trim Fine tuning of the internal capacitance
147 - arrays (0=+0pF, 15=+4.5pF, default 15)
148 +Params: interrupt GPIO used for INT (default 23)
149 + reset GPIO used for Reset (default 24)
150 + sleep GPIO used for Sleep (default 25)
151 + speed SPI bus speed in Hz (default 6000000)
152 + trim Fine tuning of the internal capacitance
153 + arrays (0=+0pF, 15=+4.5pF, default 15)
154
155
156 Name: bmp085_i2c-sensor
157 @@ -194,8 +194,8 @@ Name: dht11
158 Info: Overlay for the DHT11/DHT21/DHT22 humidity/temperature sensors
159 Also sometimes found with the part number(s) AM230x.
160 Load: dtoverlay=dht11,<param>=<val>
161 -Params: gpiopin GPIO connected to the sensor's DATA output.
162 - (default 4)
163 +Params: gpiopin GPIO connected to the sensor's DATA output.
164 + (default 4)
165
166
167 Name: dwc-otg
168 @@ -208,15 +208,15 @@ Params: <None>
169 Name: dwc2
170 Info: Selects the dwc2 USB controller driver
171 Load: dtoverlay=dwc2,<param>=<val>
172 -Params: dr_mode Dual role mode: "host", "peripheral" or "otg"
173 +Params: dr_mode Dual role mode: "host", "peripheral" or "otg"
174
175 - g-rx-fifo-size Size of rx fifo size in gadget mode
176 + g-rx-fifo-size Size of rx fifo size in gadget mode
177
178 - g-np-tx-fifo-size Size of non-periodic tx fifo size in gadget
179 - mode
180 + g-np-tx-fifo-size Size of non-periodic tx fifo size in gadget
181 + mode
182
183 - g-tx-fifo-size Size of periodic tx fifo per endpoint
184 - (except ep0) in gadget mode
185 + g-tx-fifo-size Size of periodic tx fifo per endpoint
186 + (except ep0) in gadget mode
187
188
189 [ The ds1307-rtc overlay has been deleted. See i2c-rtc. ]
190 @@ -225,9 +225,9 @@ Params: dr_mode Dual ro
191 Name: enc28j60
192 Info: Overlay for the Microchip ENC28J60 Ethernet Controller (SPI)
193 Load: dtoverlay=enc28j60,<param>=<val>
194 -Params: int_pin GPIO used for INT (default 25)
195 +Params: int_pin GPIO used for INT (default 25)
196
197 - speed SPI bus speed (default 12000000)
198 + speed SPI bus speed (default 12000000)
199
200
201 Name: gpio-ir
202 @@ -237,26 +237,26 @@ Info: Use GPIO pin as rc-core style in
203 not required! The key mapping and other decoding parameters can be
204 configured by "ir-keytable" tool.
205 Load: dtoverlay=gpio-ir,<param>=<val>
206 -Params: gpio_pin Input pin number. Default is 18.
207 +Params: gpio_pin Input pin number. Default is 18.
208
209 - gpio_pull Desired pull-up/down state (off, down, up)
210 - Default is "down".
211 + gpio_pull Desired pull-up/down state (off, down, up)
212 + Default is "down".
213
214 - rc-map-name Default rc keymap (can also be changed by
215 - ir-keytable), defaults to "rc-rc6-mce"
216 + rc-map-name Default rc keymap (can also be changed by
217 + ir-keytable), defaults to "rc-rc6-mce"
218
219
220 Name: gpio-poweroff
221 Info: Drives a GPIO high or low on reboot
222 Load: dtoverlay=gpio-poweroff,<param>=<val>
223 -Params: gpiopin GPIO for signalling (default 26)
224 +Params: gpiopin GPIO for signalling (default 26)
225
226 - active_low Set if the power control device requires a
227 - high->low transition to trigger a power-down.
228 - Note that this will require the support of a
229 - custom dt-blob.bin to prevent a power-down
230 - during the boot process, and that a reboot
231 - will also cause the pin to go low.
232 + active_low Set if the power control device requires a
233 + high->low transition to trigger a power-down.
234 + Note that this will require the support of a
235 + custom dt-blob.bin to prevent a power-down
236 + during the boot process, and that a reboot
237 + will also cause the pin to go low.
238
239
240 Name: hifiberry-amp
241 @@ -300,65 +300,65 @@ Name: hy28a
242 Info: HY28A - 2.8" TFT LCD Display Module by HAOYU Electronics
243 Default values match Texy's display shield
244 Load: dtoverlay=hy28a,<param>=<val>
245 -Params: speed Display SPI bus speed
246 +Params: speed Display SPI bus speed
247
248 - rotate Display rotation {0,90,180,270}
249 + rotate Display rotation {0,90,180,270}
250
251 - fps Delay between frame updates
252 + fps Delay between frame updates
253
254 - debug Debug output level {0-7}
255 + debug Debug output level {0-7}
256
257 - xohms Touchpanel sensitivity (X-plate resistance)
258 + xohms Touchpanel sensitivity (X-plate resistance)
259
260 - resetgpio GPIO used to reset controller
261 + resetgpio GPIO used to reset controller
262
263 - ledgpio GPIO used to control backlight
264 + ledgpio GPIO used to control backlight
265
266
267 Name: hy28b
268 Info: HY28B - 2.8" TFT LCD Display Module by HAOYU Electronics
269 Default values match Texy's display shield
270 Load: dtoverlay=hy28b,<param>=<val>
271 -Params: speed Display SPI bus speed
272 +Params: speed Display SPI bus speed
273
274 - rotate Display rotation {0,90,180,270}
275 + rotate Display rotation {0,90,180,270}
276
277 - fps Delay between frame updates
278 + fps Delay between frame updates
279
280 - debug Debug output level {0-7}
281 + debug Debug output level {0-7}
282
283 - xohms Touchpanel sensitivity (X-plate resistance)
284 + xohms Touchpanel sensitivity (X-plate resistance)
285
286 - resetgpio GPIO used to reset controller
287 + resetgpio GPIO used to reset controller
288
289 - ledgpio GPIO used to control backlight
290 + ledgpio GPIO used to control backlight
291
292
293 Name: i2c-gpio
294 Info: Adds support for software i2c controller on gpio pins
295 Load: dtoverlay=i2c-gpio,<param>=<val>
296 -Params: i2c_gpio_sda GPIO used for I2C data (default "23")
297 +Params: i2c_gpio_sda GPIO used for I2C data (default "23")
298
299 - i2c_gpio_scl GPIO used for I2C clock (default "24")
300 + i2c_gpio_scl GPIO used for I2C clock (default "24")
301
302 - i2c_gpio_delay_us Clock delay in microseconds
303 - (default "2" = ~100kHz)
304 + i2c_gpio_delay_us Clock delay in microseconds
305 + (default "2" = ~100kHz)
306
307
308 Name: i2c-rtc
309 Info: Adds support for a number of I2C Real Time Clock devices
310 Load: dtoverlay=i2c-rtc,<param>=<val>
311 -Params: ds1307 Select the DS1307 device
312 +Params: ds1307 Select the DS1307 device
313
314 - ds3231 Select the DS3231 device
315 + ds3231 Select the DS3231 device
316
317 - mcp7941x Select the MCP7941x device
318 + mcp7941x Select the MCP7941x device
319
320 - pcf2127 Select the PCF2127 device
321 + pcf2127 Select the PCF2127 device
322
323 - pcf8523 Select the PCF8523 device
324 + pcf8523 Select the PCF8523 device
325
326 - pcf8563 Select the PCF8563 device
327 + pcf8563 Select the PCF8563 device
328
329
330 Name: i2s-mmap
331 @@ -396,70 +396,70 @@ Name: lirc-rpi
332 Info: Configures lirc-rpi (Linux Infrared Remote Control for Raspberry Pi)
333 Consult the module documentation for more details.
334 Load: dtoverlay=lirc-rpi,<param>=<val>
335 -Params: gpio_out_pin GPIO for output (default "17")
336 +Params: gpio_out_pin GPIO for output (default "17")
337
338 - gpio_in_pin GPIO for input (default "18")
339 + gpio_in_pin GPIO for input (default "18")
340
341 - gpio_in_pull Pull up/down/off on the input pin
342 - (default "down")
343 + gpio_in_pull Pull up/down/off on the input pin
344 + (default "down")
345
346 - sense Override the IR receive auto-detection logic:
347 - "0" = force active-high
348 - "1" = force active-low
349 - "-1" = use auto-detection
350 - (default "-1")
351 + sense Override the IR receive auto-detection logic:
352 + "0" = force active-high
353 + "1" = force active-low
354 + "-1" = use auto-detection
355 + (default "-1")
356
357 - softcarrier Turn the software carrier "on" or "off"
358 - (default "on")
359 + softcarrier Turn the software carrier "on" or "off"
360 + (default "on")
361
362 - invert "on" = invert the output pin (default "off")
363 + invert "on" = invert the output pin (default "off")
364
365 - debug "on" = enable additional debug messages
366 - (default "off")
367 + debug "on" = enable additional debug messages
368 + (default "off")
369
370
371 Name: mcp2515-can0
372 Info: Configures the MCP2515 CAN controller on spi0.0
373 Load: dtoverlay=mcp2515-can0,<param>=<val>
374 -Params: oscillator Clock frequency for the CAN controller (Hz)
375 +Params: oscillator Clock frequency for the CAN controller (Hz)
376
377 - spimaxfrequency Maximum SPI frequence (Hz)
378 + spimaxfrequency Maximum SPI frequence (Hz)
379
380 - interrupt GPIO for interrupt signal
381 + interrupt GPIO for interrupt signal
382
383
384 Name: mcp2515-can1
385 Info: Configures the MCP2515 CAN controller on spi0.1
386 Load: dtoverlay=mcp2515-can1,<param>=<val>
387 -Params: oscillator Clock frequency for the CAN controller (Hz)
388 +Params: oscillator Clock frequency for the CAN controller (Hz)
389
390 - spimaxfrequency Maximum SPI frequence (Hz)
391 + spimaxfrequency Maximum SPI frequence (Hz)
392
393 - interrupt GPIO for interrupt signal
394 + interrupt GPIO for interrupt signal
395
396
397 Name: mmc
398 Info: Selects the bcm2835-mmc SD/MMC driver, optionally with overclock
399 Load: dtoverlay=mmc,<param>=<val>
400 -Params: overclock_50 Clock (in MHz) to use when the MMC framework
401 - requests 50MHz
402 - force_pio Disable DMA support
403 +Params: overclock_50 Clock (in MHz) to use when the MMC framework
404 + requests 50MHz
405 + force_pio Disable DMA support
406
407
408 Name: mz61581
409 Info: MZ61581 display by Tontec
410 Load: dtoverlay=mz61581,<param>=<val>
411 -Params: speed Display SPI bus speed
412 +Params: speed Display SPI bus speed
413
414 - rotate Display rotation {0,90,180,270}
415 + rotate Display rotation {0,90,180,270}
416
417 - fps Delay between frame updates
418 + fps Delay between frame updates
419
420 - txbuflen Transmit buffer length (default 32768)
421 + txbuflen Transmit buffer length (default 32768)
422
423 - debug Debug output level {0-7}
424 + debug Debug output level {0-7}
425
426 - xohms Touchpanel sensitivity (X-plate resistance)
427 + xohms Touchpanel sensitivity (X-plate resistance)
428
429
430 [ The pcf2127-rtc overlay has been deleted. See i2c-rtc. ]
431 @@ -474,69 +474,69 @@ Params: speed Display
432 Name: piscreen
433 Info: PiScreen display by OzzMaker.com
434 Load: dtoverlay=piscreen,<param>=<val>
435 -Params: speed Display SPI bus speed
436 +Params: speed Display SPI bus speed
437
438 - rotate Display rotation {0,90,180,270}
439 + rotate Display rotation {0,90,180,270}
440
441 - fps Delay between frame updates
442 + fps Delay between frame updates
443
444 - debug Debug output level {0-7}
445 + debug Debug output level {0-7}
446
447 - xohms Touchpanel sensitivity (X-plate resistance)
448 + xohms Touchpanel sensitivity (X-plate resistance)
449
450
451 Name: piscreen2r
452 Info: PiScreen 2 with resistive TP display by OzzMaker.com
453 Load: dtoverlay=piscreen2r,<param>=<val>
454 -Params: speed Display SPI bus speed
455 +Params: speed Display SPI bus speed
456
457 - rotate Display rotation {0,90,180,270}
458 + rotate Display rotation {0,90,180,270}
459
460 - fps Delay between frame updates
461 + fps Delay between frame updates
462
463 - debug Debug output level {0-7}
464 + debug Debug output level {0-7}
465
466 - xohms Touchpanel sensitivity (X-plate resistance)
467 + xohms Touchpanel sensitivity (X-plate resistance)
468
469
470 Name: pitft28-capacitive
471 Info: Adafruit PiTFT 2.8" capacitive touch screen
472 Load: dtoverlay=pitft28-capacitive,<param>=<val>
473 -Params: speed Display SPI bus speed
474 +Params: speed Display SPI bus speed
475
476 - rotate Display rotation {0,90,180,270}
477 + rotate Display rotation {0,90,180,270}
478
479 - fps Delay between frame updates
480 + fps Delay between frame updates
481
482 - debug Debug output level {0-7}
483 + debug Debug output level {0-7}
484
485 - touch-sizex Touchscreen size x (default 240)
486 + touch-sizex Touchscreen size x (default 240)
487
488 - touch-sizey Touchscreen size y (default 320)
489 + touch-sizey Touchscreen size y (default 320)
490
491 - touch-invx Touchscreen inverted x axis
492 + touch-invx Touchscreen inverted x axis
493
494 - touch-invy Touchscreen inverted y axis
495 + touch-invy Touchscreen inverted y axis
496
497 - touch-swapxy Touchscreen swapped x y axis
498 + touch-swapxy Touchscreen swapped x y axis
499
500
501 Name: pitft28-resistive
502 Info: Adafruit PiTFT 2.8" resistive touch screen
503 Load: dtoverlay=pitft28-resistive,<param>=<val>
504 -Params: speed Display SPI bus speed
505 +Params: speed Display SPI bus speed
506
507 - rotate Display rotation {0,90,180,270}
508 + rotate Display rotation {0,90,180,270}
509
510 - fps Delay between frame updates
511 + fps Delay between frame updates
512
513 - debug Debug output level {0-7}
514 + debug Debug output level {0-7}
515
516
517 Name: pps-gpio
518 Info: Configures the pps-gpio (pulse-per-second time signal via GPIO).
519 Load: dtoverlay=pps-gpio,<param>=<val>
520 -Params: gpiopin Input GPIO (default "18")
521 +Params: gpiopin Input GPIO (default "18")
522
523
524 Name: pwm
525 @@ -550,12 +550,12 @@ Info: Configures a single PWM channel
526 Pins 12 and 13 might be better choices on an A+, B+ or Pi2.
527 2) The onboard analogue audio output uses both PWM channels.
528 3) So be careful mixing audio and PWM.
529 - 4) Currently the clock must have been enabled and configured
530 + 4) Currently the clockmust have been enabled and configured
531 by other means.
532 Load: dtoverlay=pwm,<param>=<val>
533 -Params: pin Output pin (default 18) - see table
534 - func Pin function (default 2 = Alt5) - see above
535 - clock PWM clock frequency (informational)
536 +Params: pin Output pin (default 18) - see table
537 + func Pin function (default 2 = Alt5) - see above
538 + clock PWM clock frequency (informational)
539
540
541 Name: pwm-2chan
542 @@ -569,14 +569,14 @@ Info: Configures both PWM channels
543 Pins 12 and 13 might be better choices on an A+, B+ or Pi2.
544 2) The onboard analogue audio output uses both PWM channels.
545 3) So be careful mixing audio and PWM.
546 - 4) Currently the clock must have been enabled and configured
547 + 4) Currently the clockmust have been enabled and configured
548 by other means.
549 Load: dtoverlay=pwm-2chan,<param>=<val>
550 -Params: pin Output pin (default 18) - see table
551 - pin2 Output pin for other channel (default 19)
552 - func Pin function (default 2 = Alt5) - see above
553 - func2 Function for pin2 (default 2 = Alt5)
554 - clock PWM clock frequency (informational)
555 +Params: pin Output pin (default 18) - see table
556 + pin2 Output pin for other channel (default 19)
557 + func Pin function (default 2 = Alt5) - see above
558 + func2 Function for pin2 (default 2 = Alt5)
559 + clock PWM clock frequency (informational)
560
561
562 Name: raspidac3
563 @@ -600,15 +600,15 @@ Params: <None>
564 Name: rpi-display
565 Info: RPi-Display - 2.8" Touch Display by Watterott
566 Load: dtoverlay=rpi-display,<param>=<val>
567 -Params: speed Display SPI bus speed
568 +Params: speed Display SPI bus speed
569
570 - rotate Display rotation {0,90,180,270}
571 + rotate Display rotation {0,90,180,270}
572
573 - fps Delay between frame updates
574 + fps Delay between frame updates
575
576 - debug Debug output level {0-7}
577 + debug Debug output level {0-7}
578
579 - xohms Touchpanel sensitivity (X-plate resistance)
580 + xohms Touchpanel sensitivity (X-plate resistance)
581
582
583 Name: rpi-ft5406
584 @@ -632,52 +632,52 @@ Params: <None>
585 Name: sdhost
586 Info: Selects the bcm2835-sdhost SD/MMC driver, optionally with overclock
587 Load: dtoverlay=sdhost,<param>=<val>
588 -Params: overclock_50 Clock (in MHz) to use when the MMC framework
589 - requests 50MHz
590 +Params: overclock_50 Clock (in MHz) to use when the MMC framework
591 + requests 50MHz
592
593 - force_pio Disable DMA support (default off)
594 + force_pio Disable DMA support (default off)
595
596 - pio_limit Number of blocks above which to use DMA
597 - (default 1)
598 + pio_limit Number of blocks above which to use DMA
599 + (default 1)
600
601 - debug Enable debug output (default off)
602 + debug Enable debug output (default off)
603
604
605 Name: sdio
606 Info: Selects the bcm2835-sdhost SD/MMC driver, optionally with overclock,
607 and enables SDIO via GPIOs 22-27.
608 Load: dtoverlay=sdio,<param>=<val>
609 -Params: overclock_50 SD Clock (in MHz) to use when the MMC framework
610 - requests 50MHz
611 +Params: overclock_50 SD Clock (in MHz) to use when the MMC framework
612 + requests 50MHz
613
614 - sdio_overclock SDIO Clock (in MHz) to use when the MMC
615 - framework requests 50MHz
616 + sdio_overclock SDIO Clock (in MHz) to use when the MMC
617 + framework requests 50MHz
618
619 - force_pio Disable DMA support (default off)
620 + force_pio Disable DMA support (default off)
621
622 - pio_limit Number of blocks above which to use DMA
623 - (default 1)
624 + pio_limit Number of blocks above which to use DMA
625 + (default 1)
626
627 - debug Enable debug output (default off)
628 + debug Enable debug output (default off)
629
630 - poll_once Disable SDIO-device polling every second
631 - (default on: polling once at boot-time)
632 + poll_once Disable SDIO-device polling every second
633 + (default on: polling once at boot-time)
634
635 - bus_width Set the SDIO host bus width (default 4 bits)
636 + bus_width Set the SDIO host bus width (default 4 bits)
637
638
639 Name: sdtweak
640 Info: Tunes the bcm2835-sdhost SD/MMC driver
641 Load: dtoverlay=sdtweak,<param>=<val>
642 -Params: overclock_50 Clock (in MHz) to use when the MMC framework
643 - requests 50MHz
644 +Params: overclock_50 Clock (in MHz) to use when the MMC framework
645 + requests 50MHz
646
647 - force_pio Disable DMA support (default off)
648 + force_pio Disable DMA support (default off)
649
650 - pio_limit Number of blocks above which to use DMA
651 - (default 1)
652 + pio_limit Number of blocks above which to use DMA
653 + (default 1)
654
655 - debug Enable debug output (default off)
656 + debug Enable debug output (default off)
657
658
659 Name: smi
660 @@ -708,25 +708,25 @@ Name: tinylcd35
661 Info: 3.5" Color TFT Display by www.tinylcd.com
662 Options: Touch, RTC, keypad
663 Load: dtoverlay=tinylcd35,<param>=<val>
664 -Params: speed Display SPI bus speed
665 +Params: speed Display SPI bus speed
666
667 - rotate Display rotation {0,90,180,270}
668 + rotate Display rotation {0,90,180,270}
669
670 - fps Delay between frame updates
671 + fps Delay between frame updates
672
673 - debug Debug output level {0-7}
674 + debug Debug output level {0-7}
675
676 - touch Enable touch panel
677 + touch Enable touch panel
678
679 - touchgpio Touch controller IRQ GPIO
680 + touchgpio Touch controller IRQ GPIO
681
682 - xohms Touchpanel: Resistance of X-plate in ohms
683 + xohms Touchpanel: Resistance of X-plate in ohms
684
685 - rtc-pcf PCF8563 Real Time Clock
686 + rtc-pcf PCF8563 Real Time Clock
687
688 - rtc-ds DS1307 Real Time Clock
689 + rtc-ds DS1307 Real Time Clock
690
691 - keypad Enable keypad
692 + keypad Enable keypad
693
694 Examples:
695 Display with touchpanel, PCF8563 RTC and keypad:
696 @@ -738,9 +738,9 @@ Params: speed Display
697 Name: uart1
698 Info: Enable uart1 in place of uart0
699 Load: dtoverlay=uart1,<param>=<val>
700 -Params: txd1_pin GPIO pin for TXD1 (14, 32 or 40 - default 14)
701 +Params: txd1_pin GPIO pin for TXD1 (14, 32 or 40 - default 14)
702
703 - rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15)
704 + rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15)
705
706
707 Name: vc4-kms-v3d
708 @@ -753,7 +753,7 @@ Params: <None>
709
710 Name: vga666
711 Info: Overlay for the Fen Logic VGA666 board
712 - This uses GPIOs 2-21 (so no I2C), and activates the output 2-3 seconds
713 + This uses GPIOs 2-21 (sono I2C), and activates the output 2-3 seconds
714 after the kernel has started.
715 Load: dtoverlay=vga666
716 Params: <None>
717 @@ -763,22 +763,22 @@ Name: w1-gpio
718 Info: Configures the w1-gpio Onewire interface module.
719 Use this overlay if you *don't* need a GPIO to drive an external pullup.
720 Load: dtoverlay=w1-gpio,<param>=<val>
721 -Params: gpiopin GPIO for I/O (default "4")
722 +Params: gpiopin GPIO for I/O (default "4")
723
724 - pullup Non-zero, "on", or "y" to enable the parasitic
725 - power (2-wire, power-on-data) feature
726 + pullup Non-zero, "on", or "y" to enable the parasitic
727 + power (2-wire, power-on-data) feature
728
729
730 Name: w1-gpio-pullup
731 Info: Configures the w1-gpio Onewire interface module.
732 Use this overlay if you *do* need a GPIO to drive an external pullup.
733 Load: dtoverlay=w1-gpio-pullup,<param>=<val>
734 -Params: gpiopin GPIO for I/O (default "4")
735 +Params: gpiopin GPIO for I/O (default "4")
736
737 - pullup Non-zero, "on", or "y" to enable the parasitic
738 - power (2-wire, power-on-data) feature
739 + pullup Non-zero, "on", or "y" to enable the parasitic
740 + power (2-wire, power-on-data) feature
741
742 - extpullup GPIO for external pullup (default "5")
743 + extpullup GPIO for external pullup (default "5")
744
745
746 Troubleshooting
OpenWrt Source Repository