+++ /dev/null
-From 1d3aeba25b10d1ed2b5ae4cf0b535d821539a531 Mon Sep 17 00:00:00 2001
-From: Annaliese McDermond <nh6z@nh6z.net>
-Date: Sun, 17 Mar 2019 16:48:36 -0700
-Subject: [PATCH] dtoverlays: Add Support for the UDRC/DRAWS
-
-Adds a new overlay to support the Northwest Digital Radio
-DRAWS and UDRC HATs. See http://nwdigitalradio.com.
-
-Signed-off-by: Annaliese McDermond <nh6z@nh6z.net>
----
- arch/arm/boot/dts/overlays/Makefile | 2 +
- arch/arm/boot/dts/overlays/README | 59 ++++++
- arch/arm/boot/dts/overlays/draws-overlay.dts | 200 +++++++++++++++++++
- arch/arm/boot/dts/overlays/udrc-overlay.dts | 128 ++++++++++++
- 4 files changed, 389 insertions(+)
- create mode 100644 arch/arm/boot/dts/overlays/draws-overlay.dts
- create mode 100644 arch/arm/boot/dts/overlays/udrc-overlay.dts
-
---- a/arch/arm/boot/dts/overlays/Makefile
-+++ b/arch/arm/boot/dts/overlays/Makefile
-@@ -29,6 +29,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- dionaudio-loco-v2.dtbo \
- dpi18.dtbo \
- dpi24.dtbo \
-+ draws.dtbo \
- dwc-otg.dtbo \
- dwc2.dtbo \
- enc28j60.dtbo \
-@@ -146,6 +147,7 @@ dtbo-$(CONFIG_ARCH_BCM2835) += \
- tpm-slb9670.dtbo \
- uart0.dtbo \
- uart1.dtbo \
-+ udrc.dtbo \
- upstream.dtbo \
- upstream-aux-interrupt.dtbo \
- vc4-fkms-v3d.dtbo \
---- a/arch/arm/boot/dts/overlays/README
-+++ b/arch/arm/boot/dts/overlays/README
-@@ -531,6 +531,59 @@ Load: dtoverlay=dpi24
- Params: <None>
-
-
-+Name: draws
-+Info: Configures the NW Digital Radio DRAWS Hat
-+
-+ The board includes an ADC to measure various board values and also
-+ provides two analog user inputs on the expansion header. The ADC
-+ can be configured for various sample rates and gain values to adjust
-+ the input range. Tables describing the two parameters follow.
-+
-+ ADC Gain Values:
-+ 0 = +/- 6.144V
-+ 1 = +/- 4.096V
-+ 2 = +/- 2.048V
-+ 3 = +/- 1.024V
-+ 4 = +/- 0.512V
-+ 5 = +/- 0.256V
-+ 6 = +/- 0.256V
-+ 7 = +/- 0.256V
-+
-+ ADC Datarate Values:
-+ 0 = 128sps
-+ 1 = 250sps
-+ 2 = 490sps
-+ 3 = 920sps
-+ 4 = 1600sps (default)
-+ 5 = 2400sps
-+ 6 = 3300sps
-+ 7 = 3300sps
-+Load: dtoverlay=draws,<param>=<val>
-+Params: draws_adc_ch4_gain Sets the full scale resolution of the ADCs
-+ input voltage sensor (default 1)
-+
-+ draws_adc_ch4_datarate Sets the datarate of the ADCs input voltage
-+ sensor
-+
-+ draws_adc_ch5_gain Sets the full scale resolution of the ADCs
-+ 5V rail voltage sensor (default 1)
-+
-+ draws_adc_ch5_datarate Sets the datarate of the ADCs 4V rail voltage
-+ sensor
-+
-+ draws_adc_ch6_gain Sets the full scale resolution of the ADCs
-+ AIN2 input (default 2)
-+
-+ draws_adc_ch6_datarate Sets the datarate of the ADCs AIN2 input
-+
-+ draws_adc_ch7_gain Sets the full scale resolution of the ADCs
-+ AIN3 input (default 2)
-+
-+ draws_adc_ch7_datarate Sets the datarate of the ADCs AIN3 input
-+
-+ alsaname Name of the ALSA audio device (default "draws")
-+
-+
- Name: dwc-otg
- Info: Selects the dwc_otg USB controller driver which has fiq support. This
- is the default on all except the Pi Zero which defaults to dwc2.
-@@ -2117,6 +2170,12 @@ Params: txd1_pin GPIO pin
- rxd1_pin GPIO pin for RXD1 (15, 33 or 41 - default 15)
-
-
-+Name: udrc
-+Info: Configures the NW Digital Radio UDRC Hat
-+Load: dtoverlay=udrc,<param>=<val>
-+Params: alsaname Name of the ALSA audio device (default "udrc")
-+
-+
- Name: upstream
- Info: Allow usage of downstream .dtb with upstream kernel. Comprises
- vc4-kms-v3d, dwc2 and upstream-aux-interrupt overlays.
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/draws-overlay.dts
-@@ -0,0 +1,200 @@
-+#include <dt-bindings/clock/bcm2835.h>
-+/*
-+ * Device tree overlay for the DRAWS Hardware
-+ */
-+
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+ compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709";
-+ fragment@0 {
-+ target = <&i2s>;
-+ __overlay__ {
-+ status = "okay";
-+ };
-+ };
-+
-+ fragment@1 {
-+ target-path = "/";
-+ __overlay__ {
-+ regulators {
-+ compatible = "simple-bus";
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+
-+ udrc0_ldoin: udrc0_ldoin {
-+ compatible = "regulator-fixed";
-+ regulator-name = "ldoin";
-+ regulator-min-microvolt = <3300000>;
-+ regulator-max-microvolt = <3300000>;
-+ regulator-always-on;
-+ };
-+ };
-+
-+ pps: pps {
-+ compatible = "pps-gpio";
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&pps_pins>;
-+ gpios = <&gpio 7 0>;
-+ status = "okay";
-+ };
-+ };
-+ };
-+
-+ fragment@2 {
-+ target = <&i2c_arm>;
-+ __overlay__ {
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+ status = "okay";
-+
-+ tlv320aic32x4: tlv320aic32x4@18 {
-+ compatible = "ti,tlv320aic32x4";
-+ reg = <0x18>;
-+ #sound-dai-cells = <0>;
-+ status = "okay";
-+
-+ clocks = <&clocks BCM2835_CLOCK_GP0>;
-+ clock-names = "mclk";
-+ assigned-clocks = <&clocks BCM2835_CLOCK_GP0>;
-+ assigned-clock-rates = <25000000>;
-+
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&gpclk0_pin &aic3204_reset>;
-+
-+ reset-gpios = <&gpio 13 0>;
-+
-+ iov-supply = <&udrc0_ldoin>;
-+ ldoin-supply = <&udrc0_ldoin>;
-+ };
-+
-+ sc16is752: sc16is752@50 {
-+ compatible = "nxp,sc16is752";
-+ reg = <0x50>;
-+ clocks = <&sc16is752_clk>;
-+ interrupt-parent = <&gpio>;
-+ interrupts = <17 2>; /* IRQ_TYPE_EDGE_FALLING */
-+
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&sc16is752_irq>;
-+
-+ sc16is752_clk: sc16is752_clk {
-+ compatible = "fixed-clock";
-+ #clock-cells = <0>;
-+ clock-frequency = <1843200>;
-+ };
-+ };
-+
-+ tla2024: tla2024@48 {
-+ compatible = "ti,ads1015";
-+ reg = <0x48>;
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+
-+ adc_ch4: channel@4 {
-+ reg = <4>;
-+ ti,gain = <1>;
-+ ti,datarate = <4>;
-+ };
-+
-+ adc_ch5: channel@5 {
-+ reg = <5>;
-+ ti,gain = <1>;
-+ ti,datarate = <4>;
-+ };
-+
-+ adc_ch6: channel@6 {
-+ reg = <6>;
-+ ti,gain = <2>;
-+ ti,datarate = <4>;
-+ };
-+
-+ adc_ch7: channel@7 {
-+ reg = <7>;
-+ ti,gain = <2>;
-+ ti,datarate = <4>;
-+ };
-+ };
-+ };
-+ };
-+
-+ fragment@3 {
-+ target = <&sound>;
-+ snd: __overlay__ {
-+ compatible = "simple-audio-card";
-+ i2s-controller = <&i2s>;
-+ status = "okay";
-+
-+ simple-audio-card,name = "draws";
-+ simple-audio-card,format = "i2s";
-+
-+ simple-audio-card,bitclock-master = <&dailink0_master>;
-+ simple-audio-card,frame-master = <&dailink0_master>;
-+
-+ simple-audio-card,widgets =
-+ "Line", "Line In",
-+ "Line", "Line Out";
-+
-+ simple-audio-card,routing =
-+ "IN1_R", "Line In",
-+ "IN1_L", "Line In",
-+ "CM_L", "Line In",
-+ "CM_R", "Line In",
-+ "Line Out", "LOR",
-+ "Line Out", "LOL";
-+
-+ dailink0_master: simple-audio-card,cpu {
-+ sound-dai = <&i2s>;
-+ };
-+
-+ simple-audio-card,codec {
-+ sound-dai = <&tlv320aic32x4>;
-+ };
-+ };
-+ };
-+
-+ fragment@4 {
-+ target = <&gpio>;
-+ __overlay__ {
-+ gpclk0_pin: gpclk0_pin {
-+ brcm,pins = <4>;
-+ brcm,function = <4>;
-+ };
-+
-+ aic3204_reset: aic3204_reset {
-+ brcm,pins = <13>;
-+ brcm,function = <1>;
-+ brcm,pull = <1>;
-+ };
-+
-+ aic3204_gpio: aic3204_gpio {
-+ brcm,pins = <26>;
-+ };
-+
-+ sc16is752_irq: sc16is752_irq {
-+ brcm,pins = <17>;
-+ brcm,function = <0>;
-+ brcm,pull = <2>;
-+ };
-+
-+ pps_pins: pps_pins {
-+ brcm,pins = <7>;
-+ brcm,function = <0>;
-+ brcm,pull = <0>;
-+ };
-+ };
-+ };
-+
-+ __overrides__ {
-+ draws_adc_ch4_gain = <&adc_ch4>,"ti,gain:0";
-+ draws_adc_ch4_datarate = <&adc_ch4>,"ti,datarate:0";
-+ draws_adc_ch5_gain = <&adc_ch5>,"ti,gain:0";
-+ draws_adc_ch5_datarate = <&adc_ch5>,"ti,datarate:0";
-+ draws_adc_ch6_gain = <&adc_ch6>,"ti,gain:0";
-+ draws_adc_ch6_datarate = <&adc_ch6>,"ti,datarate:0";
-+ draws_adc_ch7_gain = <&adc_ch7>,"ti,gain:0";
-+ draws_adc_ch7_datarate = <&adc_ch7>,"ti,datarate:0";
-+ alsaname = <&snd>, "simple-audio-card,name";
-+ };
-+};
---- /dev/null
-+++ b/arch/arm/boot/dts/overlays/udrc-overlay.dts
-@@ -0,0 +1,128 @@
-+#include <dt-bindings/clock/bcm2835.h>
-+/*
-+ * Device tree overlay for the Universal Digital Radio Controller
-+ */
-+
-+/dts-v1/;
-+/plugin/;
-+
-+/ {
-+ compatible = "brcm,bcm2835", "brcm,bcm2836", "brcm,bcm2708", "brcm,bcm2709";
-+ fragment@0 {
-+ target = <&i2s>;
-+ __overlay__ {
-+ clocks = <&clocks BCM2835_CLOCK_PCM>;
-+ clock-names = "pcm";
-+ status = "okay";
-+ };
-+ };
-+
-+ fragment@1 {
-+ target-path = "/";
-+ __overlay__ {
-+ regulators {
-+ compatible = "simple-bus";
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+
-+ udrc0_ldoin: udrc0_ldoin {
-+ compatible = "regulator-fixed";
-+ regulator-name = "ldoin";
-+ regulator-min-microvolt = <3300000>;
-+ regulator-max-microvolt = <3300000>;
-+ regulator-always-on;
-+ };
-+ };
-+ };
-+ };
-+
-+ fragment@2 {
-+ target = <&i2c1>;
-+ __overlay__ {
-+ #address-cells = <1>;
-+ #size-cells = <0>;
-+ status = "okay";
-+ clocks = <&clocks BCM2835_CLOCK_VPU>;
-+ clock-frequency = <400000>;
-+
-+ tlv320aic32x4: tlv320aic32x4@18 {
-+ compatible = "ti,tlv320aic32x4";
-+ #sound-dai-cells = <0>;
-+ reg = <0x18>;
-+ status = "okay";
-+
-+ clocks = <&clocks BCM2835_CLOCK_GP0>;
-+ clock-names = "mclk";
-+ assigned-clocks = <&clocks BCM2835_CLOCK_GP0>;
-+ assigned-clock-rates = <25000000>;
-+
-+ pinctrl-names = "default";
-+ pinctrl-0 = <&gpclk0_pin &aic3204_reset>;
-+
-+ reset-gpios = <&gpio 13 0>;
-+
-+ iov-supply = <&udrc0_ldoin>;
-+ ldoin-supply = <&udrc0_ldoin>;
-+ };
-+ };
-+ };
-+
-+ fragment@3 {
-+ target = <&sound>;
-+ snd: __overlay__ {
-+ compatible = "simple-audio-card";
-+ i2s-controller = <&i2s>;
-+ status = "okay";
-+
-+ simple-audio-card,name = "udrc";
-+ simple-audio-card,format = "i2s";
-+
-+ simple-audio-card,bitclock-master = <&dailink0_master>;
-+ simple-audio-card,frame-master = <&dailink0_master>;
-+
-+ simple-audio-card,widgets =
-+ "Line", "Line In",
-+ "Line", "Line Out";
-+
-+ simple-audio-card,routing =
-+ "IN1_R", "Line In",
-+ "IN1_L", "Line In",
-+ "CM_L", "Line In",
-+ "CM_R", "Line In",
-+ "Line Out", "LOR",
-+ "Line Out", "LOL";
-+
-+ dailink0_master: simple-audio-card,cpu {
-+ sound-dai = <&i2s>;
-+ };
-+
-+ simple-audio-card,codec {
-+ sound-dai = <&tlv320aic32x4>;
-+ };
-+ };
-+ };
-+
-+ fragment@4 {
-+ target = <&gpio>;
-+ __overlay__ {
-+ gpclk0_pin: gpclk0_pin {
-+ brcm,pins = <4>;
-+ brcm,function = <4>;
-+ };
-+
-+ aic3204_reset: aic3204_reset {
-+ brcm,pins = <13>;
-+ brcm,function = <1>;
-+ brcm,pull = <1>;
-+ };
-+
-+ aic3204_gpio: aic3204_gpio {
-+ brcm,pins = <26>;
-+ };
-+ };
-+ };
-+
-+ __overrides__ {
-+ alsaname = <&snd>, "simple-audio-card,name";
-+ };
-+};
projects / openwrt / openwrt.git / blobdiff