]> git.karo-electronics.de Git - linux-beck.git/commitdiff
ARM: dts: porter: add sound support
authorSergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Thu, 21 Jan 2016 22:36:01 +0000 (14:36 -0800)
committerSimon Horman <horms+renesas@verge.net.au>
Fri, 29 Jan 2016 00:28:36 +0000 (09:28 +0900)
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>
arch/arm/boot/dts/r8a7791-porter.dts

index fe81fa0e478c0eefc2d403ef6d130baa5675fff7..5015eaa0ae50039ea1875e050b85df01a7218bc4 100644 (file)
@@ -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>
                #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 {
                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 {
        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>;
                };
        };
 };
+
+&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;
+};