ASoC: sun4i-spdif: Add support for H6 SoC

Allwinner H6 has a different mapping for the fifo register controller.

Actually only the fifo TX bit is used in the drivers.

Use the freshly introduced quirks to make this drivers compatible with
the Allwinner H6.
Signed-off-by: Clément Péron <peron.clem@gmail.com>
Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
Signed-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sunxi/sun4i-spdif.c

@@ -75,6 +75,18 @@
 	#define SUN4I_SPDIF_FCTL_RXOM(v)		((v) << 0)
 	#define SUN4I_SPDIF_FCTL_RXOM_MASK		GENMASK(1, 0)
 
+#define SUN50I_H6_SPDIF_FCTL (0x14)
+	#define SUN50I_H6_SPDIF_FCTL_HUB_EN		BIT(31)
+	#define SUN50I_H6_SPDIF_FCTL_FTX		BIT(30)
+	#define SUN50I_H6_SPDIF_FCTL_FRX		BIT(29)
+	#define SUN50I_H6_SPDIF_FCTL_TXTL(v)		((v) << 12)
+	#define SUN50I_H6_SPDIF_FCTL_TXTL_MASK		GENMASK(19, 12)
+	#define SUN50I_H6_SPDIF_FCTL_RXTL(v)		((v) << 4)
+	#define SUN50I_H6_SPDIF_FCTL_RXTL_MASK		GENMASK(10, 4)
+	#define SUN50I_H6_SPDIF_FCTL_TXIM		BIT(2)
+	#define SUN50I_H6_SPDIF_FCTL_RXOM(v)		((v) << 0)
+	#define SUN50I_H6_SPDIF_FCTL_RXOM_MASK		GENMASK(1, 0)
+
 #define SUN4I_SPDIF_FSTA	(0x18)
 	#define SUN4I_SPDIF_FSTA_TXE			BIT(14)
 	#define SUN4I_SPDIF_FSTA_TXECNTSHT		(8)
@@ -438,6 +450,12 @@ static const struct sun4i_spdif_quirks sun8i_h3_spdif_quirks = {
 	.has_reset	= true,
 };
 
+static const struct sun4i_spdif_quirks sun50i_h6_spdif_quirks = {
+	.reg_dac_txdata = SUN8I_SPDIF_TXFIFO,
+	.val_fctl_ftx   = SUN50I_H6_SPDIF_FCTL_FTX,
+	.has_reset      = true,
+};
+
 static const struct of_device_id sun4i_spdif_of_match[] = {
 	{
 		.compatible = "allwinner,sun4i-a10-spdif",
@@ -451,6 +469,10 @@ static const struct of_device_id sun4i_spdif_of_match[] = {
 		.compatible = "allwinner,sun8i-h3-spdif",
 		.data = &sun8i_h3_spdif_quirks,
 	},
+	{
+		.compatible = "allwinner,sun50i-h6-spdif",
+		.data = &sun50i_h6_spdif_quirks,
+	},
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, sun4i_spdif_of_match);