[PATCH] ASoC: rockchip: add bindings for spdif controller

[Sugar Zhang]

this patch add compatible for rk3228/rk3328 spdif,

Signed-off-by: Sugar Zhang <sugar.zhang@xxxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 Documentation/devicetree/bindings/sound/rockchip-spdif.txt | 2 ++
 sound/soc/rockchip/rockchip_spdif.c                        | 4 ++++
 2 files changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/sound/rockchip-spdif.txt b/Documentation/devicetree/bindings/sound/rockchip-spdif.txt
index 11046429a118..4706b96d450b 100644
--- a/Documentation/devicetree/bindings/sound/rockchip-spdif.txt
+++ b/Documentation/devicetree/bindings/sound/rockchip-spdif.txt
@@ -9,7 +9,9 @@ Required properties:
 - compatible: should be one of the following:
    - "rockchip,rk3066-spdif"
    - "rockchip,rk3188-spdif"
+   - "rockchip,rk3228-spdif"
    - "rockchip,rk3288-spdif"
+   - "rockchip,rk3328-spdif"
    - "rockchip,rk3366-spdif"
    - "rockchip,rk3368-spdif"
    - "rockchip,rk3399-spdif"
diff --git a/sound/soc/rockchip/rockchip_spdif.c b/sound/soc/rockchip/rockchip_spdif.c
index fa8101d1e16f..ee5055d47d13 100644
--- a/sound/soc/rockchip/rockchip_spdif.c
+++ b/sound/soc/rockchip/rockchip_spdif.c
@@ -49,8 +49,12 @@ static const struct of_device_id rk_spdif_match[] = {
 	  .data = (void *)RK_SPDIF_RK3066 },
 	{ .compatible = "rockchip,rk3188-spdif",
 	  .data = (void *)RK_SPDIF_RK3188 },
+	{ .compatible = "rockchip,rk3228-spdif",
+	  .data = (void *)RK_SPDIF_RK3366 },
 	{ .compatible = "rockchip,rk3288-spdif",
 	  .data = (void *)RK_SPDIF_RK3288 },
+	{ .compatible = "rockchip,rk3328-spdif",
+	  .data = (void *)RK_SPDIF_RK3366 },
 	{ .compatible = "rockchip,rk3366-spdif",
 	  .data = (void *)RK_SPDIF_RK3366 },
 	{ .compatible = "rockchip,rk3368-spdif",
-- 
2.11.0