Merge series "Patches to update for rockchip spdif" from Sugar Zhang <sugar.zhang@rock-chips.com>:

These patches fixup or update for rockchip spdif.

Sugar Zhang (4):
  ASoC: rockchip: spdif: Mark SPDIF_SMPDR as volatile
  ASoC: rockchip: spdif: Fix some coding style
  ASoC: rockchip: spdif: Add support for rk3568 spdif
  ASoC: dt-bindings: rockchip: Add compatible for rk3568 spdif

 .../devicetree/bindings/sound/rockchip-spdif.yaml  |  1 +
 sound/soc/rockchip/rockchip_spdif.c                | 38 ++++++++++++----------
 2 files changed, 22 insertions(+), 17 deletions(-)

--
2.7.4

Documentation/devicetree/bindings/sound/rockchip-spdif.yaml

@@ -23,6 +23,7 @@ properties:
       - const: rockchip,rk3366-spdif
       - const: rockchip,rk3368-spdif
       - const: rockchip,rk3399-spdif
+      - const: rockchip,rk3568-spdif
       - items:
           - enum:
               - rockchip,rk3188-spdif

sound/soc/rockchip/rockchip_spdif.c

@@ -58,6 +58,8 @@ static const struct of_device_id rk_spdif_match[] __maybe_unused = {
 	  .data = (void *)RK_SPDIF_RK3366 },
 	{ .compatible = "rockchip,rk3399-spdif",
 	  .data = (void *)RK_SPDIF_RK3366 },
+	{ .compatible = "rockchip,rk3568-spdif",
+	  .data = (void *)RK_SPDIF_RK3366 },
 	{},
 };
 MODULE_DEVICE_TABLE(of, rk_spdif_match);
@@ -137,9 +139,9 @@ static int rk_spdif_hw_params(struct snd_pcm_substream *substream,
 	}
 
 	ret = regmap_update_bits(spdif->regmap, SPDIF_CFGR,
-		SPDIF_CFGR_CLK_DIV_MASK | SPDIF_CFGR_HALFWORD_ENABLE |
-		SDPIF_CFGR_VDW_MASK,
-		val);
+				 SPDIF_CFGR_CLK_DIV_MASK |
+				 SPDIF_CFGR_HALFWORD_ENABLE |
+				 SDPIF_CFGR_VDW_MASK, val);
 
 	return ret;
 }
@@ -247,6 +249,7 @@ static bool rk_spdif_rd_reg(struct device *dev, unsigned int reg)
 	case SPDIF_INTCR:
 	case SPDIF_INTSR:
 	case SPDIF_XFER:
+	case SPDIF_SMPDR:
 		return true;
 	default:
 		return false;
@@ -258,6 +261,7 @@ static bool rk_spdif_volatile_reg(struct device *dev, unsigned int reg)
 	switch (reg) {
 	case SPDIF_INTSR:
 	case SPDIF_SDBLR:
+	case SPDIF_SMPDR:
 		return true;
 	default:
 		return false;
@@ -291,7 +295,7 @@ static int rk_spdif_probe(struct platform_device *pdev)
 		grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
 		if (IS_ERR(grf)) {
 			dev_err(&pdev->dev,
-				"rockchip_spdif missing 'rockchip,grf' \n");
+				"rockchip_spdif missing 'rockchip,grf'\n");
 			return PTR_ERR(grf);
 		}