linux-kernel - [PATCH v1 1/3] ASoC: jz4740-i2s: Add support for X1000 SoC

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Message-Id: <20230509124238.195191-1-aidanmacdonald.0x0@gmail.com>
Date:   Tue,  9 May 2023 13:42:36 +0100
From:   Aidan MacDonald <aidanmacdonald.0x0@...il.com>
To:     broonie@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        tsbogend@...ha.franken.de, paul@...pouillou.net
Cc:     lgirdwood@...il.com, perex@...ex.cz, tiwai@...e.com,
        alsa-devel@...a-project.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org
Subject: [PATCH v1 1/3] ASoC: jz4740-i2s: Add support for X1000 SoC

The X1000's AIC is similar to the AIC found on other Ingenic SoCs.
It has symmetric playback/capture rates like the JZ4740, but more
flexible clocking when outputting the system or bit clocks.

Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
---
 sound/soc/jz4740/jz4740-i2s.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/sound/soc/jz4740/jz4740-i2s.c b/sound/soc/jz4740/jz4740-i2s.c
index 6d9cfe0a5041..7cb563bb8b09 100644
--- a/sound/soc/jz4740/jz4740-i2s.c
+++ b/sound/soc/jz4740/jz4740-i2s.c
@@ -329,6 +329,14 @@ static const struct i2s_soc_info jz4760_i2s_soc_info = {
 	.field_i2sdiv_playback	= REG_FIELD(JZ_REG_AIC_CLK_DIV, 0, 3),
 };
 
+static const struct i2s_soc_info x1000_i2s_soc_info = {
+	.dai = &jz4740_i2s_dai,
+	.field_rx_fifo_thresh	= REG_FIELD(JZ_REG_AIC_CONF, 24, 27),
+	.field_tx_fifo_thresh	= REG_FIELD(JZ_REG_AIC_CONF, 16, 20),
+	.field_i2sdiv_capture	= REG_FIELD(JZ_REG_AIC_CLK_DIV, 0, 8),
+	.field_i2sdiv_playback	= REG_FIELD(JZ_REG_AIC_CLK_DIV, 0, 8),
+};
+
 static struct snd_soc_dai_driver jz4770_i2s_dai = {
 	.probe = jz4740_i2s_dai_probe,
 	.playback = {
@@ -440,6 +448,7 @@ static const struct of_device_id jz4740_of_matches[] = {
 	{ .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 },
+	{ .compatible = "ingenic,x1000-i2s", .data = &x1000_i2s_soc_info },
 	{ /* sentinel */ }
 };
 MODULE_DEVICE_TABLE(of, jz4740_of_matches);
-- 
2.39.2