ASoC: jz4740-i2s: Add support for the JZ4770

Before the JZ4770, the playback and capture sampling rates had to match.
The JZ4770 supports independent sampling rates for both.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Link: https://lore.kernel.org/r/20200306222931.39664-6-paul@crapouillou.netSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/jz4740/jz4740-i2s.c

@@ -87,6 +87,7 @@
 enum jz47xx_i2s_version {
 	JZ_I2S_JZ4740,
 	JZ_I2S_JZ4760,
+	JZ_I2S_JZ4770,
 	JZ_I2S_JZ4780,
 };
 
@@ -286,7 +287,7 @@ static int jz4740_i2s_hw_params(struct snd_pcm_substream *substream,
 		ctrl &= ~JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_MASK;
 		ctrl |= sample_size << JZ_AIC_CTRL_INPUT_SAMPLE_SIZE_OFFSET;
 
-		if (i2s->soc_info->version >= JZ_I2S_JZ4780) {
+		if (i2s->soc_info->version >= JZ_I2S_JZ4770) {
 			div_reg &= ~I2SDIV_IDV_MASK;
 			div_reg |= (div - 1) << I2SDIV_IDV_SHIFT;
 		} else {
@@ -469,7 +470,7 @@ static const struct i2s_soc_info jz4760_i2s_soc_info = {
 	.dai = &jz4740_i2s_dai,
 };
 
-static struct snd_soc_dai_driver jz4780_i2s_dai = {
+static struct snd_soc_dai_driver jz4770_i2s_dai = {
 	.probe = jz4740_i2s_dai_probe,
 	.remove = jz4740_i2s_dai_remove,
 	.playback = {
@@ -487,9 +488,14 @@ static struct snd_soc_dai_driver jz4780_i2s_dai = {
 	.ops = &jz4740_i2s_dai_ops,
 };
 
+static const struct i2s_soc_info jz4770_i2s_soc_info = {
+	.version = JZ_I2S_JZ4770,
+	.dai = &jz4770_i2s_dai,
+};
+
 static const struct i2s_soc_info jz4780_i2s_soc_info = {
 	.version = JZ_I2S_JZ4780,
-	.dai = &jz4780_i2s_dai,
+	.dai = &jz4770_i2s_dai,
 };
 
 static const struct snd_soc_component_driver jz4740_i2s_component = {
@@ -502,6 +508,7 @@ static const struct snd_soc_component_driver jz4740_i2s_component = {
 static const struct of_device_id jz4740_of_matches[] = {
 	{ .compatible = "ingenic,jz4740-i2s", .data = &jz4740_i2s_soc_info },
 	{ .compatible = "ingenic,jz4760-i2s", .data = &jz4760_i2s_soc_info },
+	{ .compatible = "ingenic,jz4770-i2s", .data = &jz4770_i2s_soc_info },
 	{ .compatible = "ingenic,jz4780-i2s", .data = &jz4780_i2s_soc_info },
 	{ /* sentinel */ }
 };