[PATCH 19/70] ARM: dts: porter: add sound support
From: Simon Horman <hidden>
Date: 2016-02-04 14:29:13
Also in:
linux-renesas-soc
Subsystem:
the rest · Maintainer:
Linus Torvalds
From: Sergei Shtylyov <redacted> Define the Porter board dependent part of the R8A7791 sound device node. Add device node for Asahi Kasei AK4642 stereo codec to the I2C2 bus. Add the "simple-audio-card" device node to interconnect the SoC sound device and the codec. Signed-off-by: Sergei Shtylyov <redacted> Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Simon Horman <redacted> --- arch/arm/boot/dts/r8a7791-porter.dts | 71 ++++++++++++++++++++++++++++++++++++ 1 file changed, 71 insertions(+)
diff --git a/arch/arm/boot/dts/r8a7791-porter.dts b/arch/arm/boot/dts/r8a7791-porter.dts
index fe81fa0e478c..5015eaa0ae50 100644
--- a/arch/arm/boot/dts/r8a7791-porter.dts
+++ b/arch/arm/boot/dts/r8a7791-porter.dts@@ -8,6 +8,17 @@ * kind, whether express or implied. */ +/* + * SSI-AK4642 + * + * SW3: 1: AK4642 + * 3: ADV7511 + * + * This command is required before playback/capture: + * + * amixer set "LINEOUT Mixer DACL" on + */ + /dts-v1/; #include "r8a7791.dtsi" #include <dt-bindings/gpio/gpio.h>
@@ -101,6 +112,30 @@ #clock-cells = <0>; clock-frequency = <74250000>; }; + + x14_clk: x14-clock { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <11289600>; + clock-output-names = "audio_clock"; + }; + + sound { + compatible = "simple-audio-card"; + + simple-audio-card,format = "left_j"; + simple-audio-card,bitclock-master = <&soundcodec>; + simple-audio-card,frame-master = <&soundcodec>; + + simple-audio-card,cpu { + sound-dai = <&rcar_sound>; + }; + + soundcodec: simple-audio-card,codec { + sound-dai = <&ak4642>; + clocks = <&x14_clk>; + }; + }; }; &extal_clk {
@@ -167,6 +202,16 @@ renesas,groups = "du_rgb888", "du_sync", "du_disp", "du_clk_out_0"; renesas,function = "du"; }; + + ssi_pins: sound { + renesas,groups = "ssi0129_ctrl", "ssi0_data", "ssi1_data"; + renesas,function = "ssi"; + }; + + audio_clk_pins: audio_clk { + renesas,groups = "audio_clk_a"; + renesas,function = "audio_clk"; + }; }; &scif0 {
@@ -257,6 +302,12 @@ status = "okay"; clock-frequency = <400000>; + ak4642: codec at 12 { + compatible = "asahi-kasei,ak4642"; + #sound-dai-cells = <0>; + reg = <0x12>; + }; + composite-in at 20 { compatible = "adi,adv7180"; reg = <0x20>;
@@ -385,3 +436,23 @@ }; }; }; + +&rcar_sound { + pinctrl-0 = <&ssi_pins &audio_clk_pins>; + pinctrl-names = "default"; + status = "okay"; + + /* Single DAI */ + #sound-dai-cells = <0>; + + rcar_sound,dai { + dai0 { + playback = <&ssi0>; + capture = <&ssi1>; + }; + }; +}; + +&ssi1 { + shared-pin; +};
--
2.7.0.rc3.207.g0ac5344