ARM: shmobile: armadillo: add FSI support for DTS

This patch support FSI-WM8978 with simple audio card

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

diff --git a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
index 7b80f19129e3f4301a9760dc5f1fabb83ec6291c..6d6fd3dff2d3f68b3db92e7ba98fb4048bb50214 100644 (file)
--- a/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
+++ b/arch/arm/boot/dts/r8a7740-armadillo800eva-reference.dts
@@ -87,6 +87,24 @@
                pinctrl-0 = <&backlight_pins>;
                pinctrl-names = "default";
        };
+
+       sound {
+               compatible = "simple-audio-card";
+
+               simple-audio-card,format = "i2s";
+
+               simple-audio-card,cpu {
+                       sound-dai = <&sh_fsi2 0>;
+                       bitclock-inversion;
+               };
+
+               simple-audio-card,codec {
+                       sound-dai = <&wm8978>;
+                       bitclock-master;
+                       frame-master;
+                       system-clock-frequency = <12288000>;
+               };
+       };
 };
 
 &i2c0 {
@@ -100,6 +118,12 @@
                pinctrl-names = "default";
                gpios = <&pfc 166 GPIO_ACTIVE_LOW>;
        };
+
+       wm8978: wm8978@1a {
+               #sound-dai-cells = <0>;
+               compatible = "wlf,wm8978";
+               reg = <0x1a>;
+       };
 };
 
 &pfc {
@@ -130,6 +154,12 @@
                renesas,groups = "sdhi0_data4", "sdhi0_ctrl", "sdhi0_wp";
                renesas,function = "sdhi0";
        };
+
+       fsia_pins: sounda {
+               renesas,groups = "fsia_sclk_in", "fsia_mclk_out",
+                                "fsia_data_in_1", "fsia_data_out_0";
+               renesas,function = "fsia";
+       };
 };
 
 &tpu {
@@ -156,3 +186,10 @@
        cd-gpios = <&pfc 167 GPIO_ACTIVE_LOW>;
        status = "okay";
 };
+
+&sh_fsi2 {
+       pinctrl-0 = <&fsia_pins>;
+       pinctrl-names = "default";
+
+       status = "okay";
+};