[PATCH v1 4/7] Documentation: rockchip-i2s: add description for px30

[cl]

From: Liang Chen <cl@xxxxxxxxxxxxxx>

Add "rockchip,px30-i2s", "rockchip,rk3066-i2s" for i2s on px30 platform.

Signed-off-by: Liang Chen <cl@xxxxxxxxxxxxxx>
---
 Documentation/devicetree/bindings/sound/rockchip-i2s.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
index b208a75..54aefab 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/rockchip-i2s.txt
@@ -7,6 +7,7 @@ Required properties:
 
 - compatible: should be one of the following:
    - "rockchip,rk3066-i2s": for rk3066
+   - "rockchip,px30-i2s", "rockchip,rk3066-i2s": for px30
    - "rockchip,rk3036-i2s", "rockchip,rk3066-i2s": for rk3036
    - "rockchip,rk3188-i2s", "rockchip,rk3066-i2s": for rk3188
    - "rockchip,rk3228-i2s", "rockchip,rk3066-i2s": for rk3228
-- 
1.9.1