forked from Qortal/Brooklyn
129 lines
3.3 KiB
Plaintext
129 lines
3.3 KiB
Plaintext
#include <dt-bindings/clock/bcm2835.h>
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/*
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* Device tree overlay for the Universal Digital Radio Controller
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*/
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/dts-v1/;
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/plugin/;
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/ {
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compatible = "brcm,bcm2835";
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fragment@0 {
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target = <&i2s>;
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__overlay__ {
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clocks = <&clocks BCM2835_CLOCK_PCM>;
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clock-names = "pcm";
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status = "okay";
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};
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};
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fragment@1 {
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target-path = "/";
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__overlay__ {
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regulators {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <0>;
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udrc0_ldoin: udrc0_ldoin {
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compatible = "regulator-fixed";
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regulator-name = "ldoin";
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regulator-min-microvolt = <3300000>;
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regulator-max-microvolt = <3300000>;
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regulator-always-on;
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};
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};
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};
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};
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fragment@2 {
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target = <&i2c1>;
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__overlay__ {
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#address-cells = <1>;
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#size-cells = <0>;
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status = "okay";
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clocks = <&clocks BCM2835_CLOCK_VPU>;
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clock-frequency = <400000>;
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tlv320aic32x4: tlv320aic32x4@18 {
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compatible = "ti,tlv320aic32x4";
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#sound-dai-cells = <0>;
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reg = <0x18>;
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status = "okay";
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clocks = <&clocks BCM2835_CLOCK_GP0>;
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clock-names = "mclk";
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assigned-clocks = <&clocks BCM2835_CLOCK_GP0>;
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assigned-clock-rates = <25000000>;
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pinctrl-names = "default";
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pinctrl-0 = <&gpclk0_pin &aic3204_reset>;
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reset-gpios = <&gpio 13 0>;
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iov-supply = <&udrc0_ldoin>;
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ldoin-supply = <&udrc0_ldoin>;
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};
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};
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};
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fragment@3 {
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target = <&sound>;
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snd: __overlay__ {
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compatible = "simple-audio-card";
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i2s-controller = <&i2s>;
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status = "okay";
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simple-audio-card,name = "udrc";
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simple-audio-card,format = "i2s";
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simple-audio-card,bitclock-master = <&dailink0_master>;
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simple-audio-card,frame-master = <&dailink0_master>;
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simple-audio-card,widgets =
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"Line", "Line In",
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"Line", "Line Out";
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simple-audio-card,routing =
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"IN1_R", "Line In",
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"IN1_L", "Line In",
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"CM_L", "Line In",
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"CM_R", "Line In",
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"Line Out", "LOR",
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"Line Out", "LOL";
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dailink0_master: simple-audio-card,cpu {
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sound-dai = <&i2s>;
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};
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simple-audio-card,codec {
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sound-dai = <&tlv320aic32x4>;
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};
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};
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};
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fragment@4 {
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target = <&gpio>;
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__overlay__ {
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gpclk0_pin: gpclk0_pin {
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brcm,pins = <4>;
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brcm,function = <4>;
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};
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aic3204_reset: aic3204_reset {
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brcm,pins = <13>;
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brcm,function = <1>;
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brcm,pull = <1>;
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};
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aic3204_gpio: aic3204_gpio {
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brcm,pins = <26>;
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};
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};
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};
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__overrides__ {
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alsaname = <&snd>, "simple-audio-card,name";
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};
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};
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