ARM: shmobile: lager: Sound PIO support on DTS

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
(cherry picked from commit 8ea7a44a98d6c992ffc0013f7a83d9829121292d)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7790-lager.dts b/arch/arm/boot/dts/r8a7790-lager.dts
index 2781db1..e85de85 100644 (file)
--- a/arch/arm/boot/dts/r8a7790-lager.dts
+++ b/arch/arm/boot/dts/r8a7790-lager.dts
@@ -9,6 +9,18 @@
  * kind, whether express or implied.
  */
 
+/*
+ * SSI-AK4643
+ *
+ * SW1: 1: AK4643
+ *      2: CN22
+ *      3: ADV7511
+ *
+ * This command is required when Playback/Capture
+ *
+ *     amixer set "LINEOUT Mixer DACL" on
+ */
+
 /dts-v1/;
 #include "r8a7790.dtsi"
 #include <dt-bindings/gpio/gpio.h>
@@ -146,6 +158,23 @@
                          1800000 0>;
        };
 
+       sound {
+               compatible = "simple-audio-card";
+
+               simple-audio-card,format = "left_j";
+               simple-audio-card,bitclock-master = <&sndcodec>;
+               simple-audio-card,frame-master = <&sndcodec>;
+
+               sndcpu: simple-audio-card,cpu {
+                       sound-dai = <&rcar_sound>;
+               };
+
+               sndcodec: simple-audio-card,codec {
+                       sound-dai = <&ak4643>;
+                       system-clock-frequency = <11289600>;
+               };
+       };
+
        vga-encoder {
                compatible = "adi,adv7123";
 
@@ -292,6 +321,16 @@
                renesas,groups = "vin1_data8", "vin1_clk";
                renesas,function = "vin1";
        };
+
+       sound_pins: sound {
+               renesas,groups = "ssi0129_ctrl", "ssi0_data", "ssi1_data";
+               renesas,function = "ssi";
+       };
+
+       sound_clk_pins: sound_clk {
+               renesas,groups = "audio_clk_a";
+               renesas,function = "audio_clk";
+       };
 };
 
 &ether {
@@ -431,6 +470,12 @@
 
        clock-frequency = <100000>;
 
+       ak4643: sound-codec@12 {
+               compatible = "asahi-kasei,ak4643";
+               #sound-dai-cells = <0>;
+               reg = <0x12>;
+       };
+
        composite-in@20 {
                compatible = "adi,adv7180";
                reg = <0x20>;
@@ -513,3 +558,28 @@
                };
        };
 };
+
+&rcar_sound {
+       pinctrl-0 = <&sound_pins &sound_clk_pins>;
+       pinctrl-names = "default";
+
+       #sound-dai-cells = <0>;
+
+       status = "okay";
+
+       rcar_sound,dai {
+               dai0 {
+                       playback = <&ssi0>;
+                       capture  = <&ssi1>;
+               };
+       };
+};
+
+&ssi0 {
+       pio-transfer;
+};
+
+&ssi1 {
+       pio-transfer;
+       shared-pin;
+};