105 lines
2.0 KiB
Plaintext
105 lines
2.0 KiB
Plaintext
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/dts-v1/;
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/plugin/;
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#include <dt-bindings/gpio/gpio.h>
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#include <dt-bindings/pinctrl/rockchip.h>
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/*
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* Device tree overlay to disabled internal analog codec for
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* rk3328 boards and enable external i2s, binding it to a
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* pcm5102-based DAC.
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* Tested on rock-pi E, but should be suitable for other
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* similar boards
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*/
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&{/} {
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pcm5102: pcm510x {
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#sound-dai-cells = <0>;
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compatible = "ti,pcm5102a";
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pcm510x,format = "i2s";
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status = "okay";
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};
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i2s_sound: i2s-sound {
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compatible = "simple-audio-card";
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simple-audio-card,format = "i2s";
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simple-audio-card,mclk-fs = <256>;
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simple-audio-card,name = "I2S";
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status = "okay";
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simple-audio-card,cpu {
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sound-dai = <&i2s1>;
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};
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simple-audio-card,codec {
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sound-dai = <&pcm5102>;
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};
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};
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};
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&analog_sound {
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status = "disabled";
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};
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&codec {
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status = "disabled";
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};
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&i2s1_mclk {
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rockchip,pins = <2 RK_PB7 1 &pcfg_pull_down>;
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};
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&i2s1_sclk {
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rockchip,pins = <2 RK_PC2 1 &pcfg_pull_down>;
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};
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&i2s1_lrckrx {
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rockchip,pins = <2 RK_PC0 1 &pcfg_pull_up>;
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};
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&i2s1_lrcktx {
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rockchip,pins = <2 RK_PC1 1 &pcfg_pull_up>;
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};
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&i2s1_sdi {
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rockchip,pins = <2 RK_PC3 1 &pcfg_pull_up>;
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};
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&i2s1_sdo {
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rockchip,pins = <2 RK_PC7 1 &pcfg_pull_up>;
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};
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&i2s1_sdio1 {
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rockchip,pins = <2 RK_PC4 1 &pcfg_pull_up>;
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};
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&i2s1_sdio2 {
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rockchip,pins = <2 RK_PC5 1 &pcfg_pull_up>;
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};
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&i2s1_sdio3 {
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rockchip,pins = <2 RK_PC6 1 &pcfg_pull_up>;
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};
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&i2s1_sleep {
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rockchip,pins =
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<2 RK_PB7 RK_FUNC_GPIO &pcfg_input_high>,
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<2 RK_PC0 RK_FUNC_GPIO &pcfg_input_high>,
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<2 RK_PC1 RK_FUNC_GPIO &pcfg_input_high>,
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<2 RK_PC2 RK_FUNC_GPIO &pcfg_input_high>,
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<2 RK_PC3 RK_FUNC_GPIO &pcfg_input_high>,
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<2 RK_PC4 RK_FUNC_GPIO &pcfg_input_high>,
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<2 RK_PC5 RK_FUNC_GPIO &pcfg_input_high>,
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<2 RK_PC6 RK_FUNC_GPIO &pcfg_input_high>,
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<2 RK_PC7 RK_FUNC_GPIO &pcfg_input_high>;
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};
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&i2s1 {
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status = "okay";
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pinctrl-names = "default";
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pinctrl-0 = <&i2s1_mclk>, <&i2s1_sclk>, <&i2s1_lrckrx>, <&i2s1_lrcktx>, <&i2s1_sdi>, <&i2s1_sdo>, <&i2s1_sdio1>, <&i2s1_sdio2>;
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rockchip,playback-channels = <8>;
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};
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