ASoC: max98363: add soundwire amplifier driver

Added Analog Devices MAX98363 SoundWire Amplifier Driver.
The MAX98363 is a SoundWire peripheral device that supports
MIPI SoundWire v1.2-compatible digital interface for audio and
control data.
Signed-off-by: Ryan Lee <ryans.lee@analog.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20230330234319.6841-1-ryan.lee.analog@gmail.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/Kconfig

@@ -133,6 +133,7 @@ config SND_SOC_ALL_CODECS
 	imply SND_SOC_MAX98925
 	imply SND_SOC_MAX98926
 	imply SND_SOC_MAX98927
+	imply SND_SOC_MAX98363
 	imply SND_SOC_MAX98373_I2C
 	imply SND_SOC_MAX98373_SDW
 	imply SND_SOC_MAX98390
@@ -1133,6 +1134,16 @@ config SND_SOC_MAX98520
 
 	  To compile this driver as a module, choose M here.
 
+config SND_SOC_MAX98363
+	tristate "Analog Devices MAX98363 Soundwire Speaker Amplifier"
+	depends on SOUNDWIRE
+	select REGMAP_SOUNDWIRE
+	help
+	  Enable support for Analog Devices MAX98363 Soundwire
+	  amplifier. MAX98363 supports the MIPI SoundWire v1.2
+	  compatible interface for audio and control data.
+	  This amplifier does not support I2C and I2S.
+
 config SND_SOC_MAX98373
 	tristate
 

sound/soc/codecs/Makefile

@@ -148,6 +148,7 @@ snd-soc-max98925-objs := max98925.o
 snd-soc-max98926-objs := max98926.o
 snd-soc-max98927-objs := max98927.o
 snd-soc-max98520-objs := max98520.o
+snd-soc-max98363-objs := max98363.o
 snd-soc-max98373-objs := max98373.o
 snd-soc-max98373-i2c-objs := max98373-i2c.o
 snd-soc-max98373-sdw-objs := max98373-sdw.o
@@ -515,6 +516,7 @@ obj-$(CONFIG_SND_SOC_MAX98925)	+= snd-soc-max98925.o
 obj-$(CONFIG_SND_SOC_MAX98926)	+= snd-soc-max98926.o
 obj-$(CONFIG_SND_SOC_MAX98927)	+= snd-soc-max98927.o
 obj-$(CONFIG_SND_SOC_MAX98520)	+= snd-soc-max98520.o
+obj-$(CONFIG_SND_SOC_MAX98363)	+= snd-soc-max98363.o
 obj-$(CONFIG_SND_SOC_MAX98373)	+= snd-soc-max98373.o
 obj-$(CONFIG_SND_SOC_MAX98373_I2C)   += snd-soc-max98373-i2c.o
 obj-$(CONFIG_SND_SOC_MAX98373_SDW)   += snd-soc-max98373-sdw.o

sound/soc/codecs/max98363.h

+/* SPDX-License-Identifier: GPL-2.0-only */
+/* Copyright (c) 2022 Analog Devices Inc. */
+
+#ifndef _MAX98363_H
+#define _MAX98363_H
+
+#define MAX98363_R2000_SW_RESET			0x2000
+#define MAX98363_R2001_INTR_RAW			0x2001
+#define MAX98363_R2003_INTR_STATE		0x2003
+#define MAX98363_R2005_INTR_FALG		0x2005
+#define MAX98363_R2007_INTR_EN			0x2007
+#define MAX98363_R2009_INTR_CLR			0x2009
+#define MAX98363_R2021_ERR_MON_CTRL		0x2021
+#define MAX98363_R2022_SPK_MON_THRESH		0x2022
+#define MAX98363_R2023_SPK_MON_DURATION		0x2023
+#define MAX98363_R2030_TONE_GEN_CFG		0x2030
+#define MAX98363_R203F_TONE_GEN_EN		0x203F
+#define MAX98363_R2040_AMP_VOL			0x2040
+#define MAX98363_R2041_AMP_GAIN			0x2041
+#define MAX98363_R2042_DSP_CFG			0x2042
+#define MAX98363_R21FF_REV_ID			0x21FF
+
+/* MAX98363_R2021_ERR_MON_CTRL */
+#define MAX98363_SPKMON_SHIFT			(3)
+#define MAX98363_CLOCK_MON_SHIFT		(0)
+
+/* MAX98363_R2042_DSP_CFG */
+#define MAX98363_AMP_DSP_CFG_RMP_SHIFT		(3)
+
+struct max98363_priv {
+	struct regmap *regmap;
+	struct sdw_slave *slave;
+	bool hw_init;
+	bool first_hw_init;
+};
+#endif