diff options
| author | Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> | 2016-01-22 01:36:01 +0300 |
|---|---|---|
| committer | Simon Horman <horms+renesas@verge.net.au> | 2016-01-29 03:28:36 +0300 |
| commit | 493b4da7c10ca647850627849bcf6031c0a80f13 (patch) | |
| tree | 045af88c96459add0ad913cbf2de92873de96d9b /arch/arm/boot/dts/r8a7791-porter.dts | |
| parent | 854b7733fee0ebdb70e34ffa5f57de4cff319a49 (diff) | |
| download | linux-493b4da7c10ca647850627849bcf6031c0a80f13.tar.xz | |
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>
Diffstat (limited to 'arch/arm/boot/dts/r8a7791-porter.dts')
| -rw-r--r-- | arch/arm/boot/dts/r8a7791-porter.dts | 71 |
1 files changed, 71 insertions, 0 deletions
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@12 { + compatible = "asahi-kasei,ak4642"; + #sound-dai-cells = <0>; + reg = <0x12>; + }; + composite-in@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; +}; |