diff --git a/Documentation/devicetree/bindings/sound/rockchip,i2s-tdm.txt b/Documentation/devicetree/bindings/sound/rockchip,i2s-tdm.txt
index beadf8bc0ad8..88ff1c72a12a 100644
--- a/Documentation/devicetree/bindings/sound/rockchip,i2s-tdm.txt
+++ b/Documentation/devicetree/bindings/sound/rockchip,i2s-tdm.txt
@@ -3,6 +3,7 @@
 Required properties:
 
 - compatible: should be one of the following
+   - "rockchip,rk1808-i2s-tdm": for rk1808
    - "rockchip,rk3308-i2s-tdm": for rk3308
 - reg: physical base address of the controller and length of memory mapped
   region.
diff --git a/sound/soc/rockchip/rockchip_i2s_tdm.c b/sound/soc/rockchip/rockchip_i2s_tdm.c
index 908714d5a070..e40d73e45186 100644
--- a/sound/soc/rockchip/rockchip_i2s_tdm.c
+++ b/sound/soc/rockchip/rockchip_i2s_tdm.c
@@ -1028,11 +1028,16 @@ static const struct regmap_config rockchip_i2s_tdm_regmap_config = {
 	.cache_type = REGCACHE_FLAT,
 };
 
+static struct rk_i2s_soc_data rk1808_i2s_soc_data = {
+	.softrst_offset = 0x0300,
+};
+
 static struct rk_i2s_soc_data rk3308_i2s_soc_data = {
 	.softrst_offset = 0x0400,
 };
 
 static const struct of_device_id rockchip_i2s_tdm_match[] = {
+	{ .compatible = "rockchip,rk1808-i2s-tdm", .data = &rk1808_i2s_soc_data },
 	{ .compatible = "rockchip,rk3308-i2s-tdm", .data = &rk3308_i2s_soc_data },
 	{},
 };