The CAT874 board pushes sound via I2S over SSI0 into the TDA19988BET chip. This commit wires things up so that we can get sound out of the HDMI interface.
Signed-off-by: Fabrizio Castro <[email protected]> --- This patch depends on patch: https://patchwork.kernel.org/patch/10902203/ arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts | 56 +++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts index 0623950..b7183f1 100644 --- a/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts +++ b/arch/arm64/boot/dts/renesas/r8a774c0-cat874.dts @@ -8,6 +8,7 @@ /dts-v1/; #include "r8a774c0.dtsi" #include <dt-bindings/gpio/gpio.h> +#include <dt-bindings/display/tda998x.h> / { model = "Silicon Linux RZ/G2E 96board platform (CAT874)"; @@ -63,6 +64,23 @@ reg = <0x0 0x48000000 0x0 0x78000000>; }; + sound: sound { + compatible = "simple-audio-card"; + + simple-audio-card,name = "CAT874 HDMI sound"; + simple-audio-card,format = "i2s"; + simple-audio-card,bitclock-master = <&sndcpu>; + simple-audio-card,frame-master = <&sndcpu>; + + sndcpu: simple-audio-card,cpu { + sound-dai = <&rcar_sound>; + }; + + sndcodec: simple-audio-card,codec { + sound-dai = <&tda19988>; + }; + }; + vcc_sdhi0: regulator-vcc-sdhi0 { compatible = "regulator-fixed"; @@ -93,6 +111,10 @@ }; }; +&audio_clk_a { + clock-frequency = <22579200>; +}; + &du { pinctrl-0 = <&du_pins>; pinctrl-names = "default"; @@ -133,6 +155,10 @@ video-ports = <0x234501>; + #sound-dai-cells = <0>; + audio-ports = <TDA998x_I2S 0x03>; + clocks = <&rcar_sound 1>; + ports { #address-cells = <1>; #size-cells = <0>; @@ -216,6 +242,36 @@ function = "sdhi0"; power-source = <1800>; }; + + sound_pins: sound { + groups = "ssi01239_ctrl", "ssi0_data"; + function = "ssi"; + }; + + sound_clk_pins: sound_clk { + groups = "audio_clkout1_a"; + function = "audio_clk"; + }; +}; + +&rcar_sound { + pinctrl-0 = <&sound_pins &sound_clk_pins>; + pinctrl-names = "default"; + + /* Single DAI */ + #sound-dai-cells = <0>; + + /* audio_clkout0/1/2/3 */ + #clock-cells = <1>; + clock-frequency = <11289600>; + + status = "okay"; + + rcar_sound,dai { + dai0 { + playback = <&ssi0 &src0 &dvc0>; + }; + }; }; &rwdt { -- 2.7.4
