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ARM: dts: porter: add sound support 

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 <sergei.shtylyov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Sergei Shtylyov 2016-01-21 14:36:01 -08:00 committed by Simon Horman
parent 854b7733fe
commit 493b4da7c1
1 changed files with 71 additions and 0 deletions
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71
arch/arm/boot/dts/r8a7791-porter.dts
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@ -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 @@ x16_clk: x16-clock {
#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 @@ du_pins: du {
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 @@ &i2c2 {
status = "okay";
clock-frequency = <400000>;
ak4642: codec@12 {
compatible = "asahi-kasei,ak4642";
#sound-dai-cells = <0>;
reg = <0x12>;
};
composite-in@20 {
compatible = "adi,adv7180";
reg = <0x20>;
@ -385,3 +436,23 @@ endpoint {
};
};
};
&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;
};