[PATCH 2/3] ARM: dts: rockchip: add simple sound card for RK3036 SoCs

[Yakir Yang]

Using I2S as the audio input source, and force the mclk_fs to 256.

Signed-off-by: Yakir Yang <ykk at rock-chips.com>
---
 arch/arm/boot/dts/rk3036.dtsi | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/arm/boot/dts/rk3036.dtsi b/arch/arm/boot/dts/rk3036.dtsi
index 843d2be..ecff071 100644
--- a/arch/arm/boot/dts/rk3036.dtsi
+++ b/arch/arm/boot/dts/rk3036.dtsi
@@ -335,6 +335,9 @@
                rockchip,grf = <&grf>;
                pinctrl-names = "default";
                pinctrl-0 = <&hdmi_ctl>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               #sound-dai-cells = <0>;
                status = "disabled";

                hdmi_in: port {
@@ -347,6 +350,25 @@
                };
        };

+       hdmi_sound: hdmi-sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,name = "rockchip,hdmi";
+               simple-audio-card,widgets = "Headphone", "Out Jack",
+                                           "Line", "In Jack";
+               status = "disabled";
+
+               simple-audio-card,dai-link {
+                       format = "i2s";
+                       mclk-fs = <256>;
+                       cpu {
+                               sound-dai = <&i2s>;
+                       };
+                       codec {
+                               sound-dai = <&hdmi>;
+                       };
+               };
+       };
+
        timer: timer at 20044000 {
                compatible = "rockchip,rk3036-timer", "rockchip,rk3288-timer";
                reg = <0x20044000 0x20>;
-- 
1.9.1