[PATCH] ASoC: rockchip: pdm: add compatible for rk1808

[Sugar Zhang]

This patch adds support for rk1808, the pdm controller
is the same as rk3308.

Signed-off-by: Sugar Zhang <sugar.zhang@xxxxxxxxxxxxxx>
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
---
 sound/soc/rockchip/rockchip_pdm.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/soc/rockchip/rockchip_pdm.c b/sound/soc/rockchip/rockchip_pdm.c
index 4f93a7454e85..3e1c5fd5b32b 100644
--- a/sound/soc/rockchip/rockchip_pdm.c
+++ b/sound/soc/rockchip/rockchip_pdm.c
@@ -457,6 +457,8 @@ static const struct of_device_id rockchip_pdm_match[] = {
 	{ .compatible = "rockchip,pdm", },
 	{ .compatible = "rockchip,px30-pdm",
 	  .data = (void *)RK_PDM_RK3308 },
+	{ .compatible = "rockchip,rk1808-pdm",
+	  .data = (void *)RK_PDM_RK3308 },
 	{ .compatible = "rockchip,rk3308-pdm",
 	  .data = (void *)RK_PDM_RK3308 },
 	{},
-- 
2.20.1