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-rw-r--r--sound/soc/codecs/adau7118-i2c.c82
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diff --git a/sound/soc/codecs/adau7118-i2c.c b/sound/soc/codecs/adau7118-i2c.c
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+// SPDX-License-Identifier: GPL-2.0
+//
+// Analog Devices ADAU7118 8 channel PDM-to-I2S/TDM Converter driver over I2C
+//
+// Copyright 2019 Analog Devices Inc.
+
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/regmap.h>
+
+#include "adau7118.h"
+
+static const struct reg_default adau7118_reg_defaults[] = {
+ { ADAU7118_REG_VENDOR_ID, 0x41 },
+ { ADAU7118_REG_DEVICE_ID1, 0x71 },
+ { ADAU7118_REG_DEVICE_ID2, 0x18 },
+ { ADAU7118_REG_REVISION_ID, 0x00 },
+ { ADAU7118_REG_ENABLES, 0x3F },
+ { ADAU7118_REG_DEC_RATIO_CLK_MAP, 0xC0 },
+ { ADAU7118_REG_HPF_CONTROL, 0xD0 },
+ { ADAU7118_REG_SPT_CTRL1, 0x41 },
+ { ADAU7118_REG_SPT_CTRL2, 0x00 },
+ { ADAU7118_REG_SPT_CX(0), 0x01 },
+ { ADAU7118_REG_SPT_CX(1), 0x11 },
+ { ADAU7118_REG_SPT_CX(2), 0x21 },
+ { ADAU7118_REG_SPT_CX(3), 0x31 },
+ { ADAU7118_REG_SPT_CX(4), 0x41 },
+ { ADAU7118_REG_SPT_CX(5), 0x51 },
+ { ADAU7118_REG_SPT_CX(6), 0x61 },
+ { ADAU7118_REG_SPT_CX(7), 0x71 },
+ { ADAU7118_REG_DRIVE_STRENGTH, 0x2a },
+ { ADAU7118_REG_RESET, 0x00 },
+};
+
+static const struct regmap_config adau7118_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+ .reg_defaults = adau7118_reg_defaults,
+ .num_reg_defaults = ARRAY_SIZE(adau7118_reg_defaults),
+ .cache_type = REGCACHE_RBTREE,
+ .max_register = ADAU7118_REG_RESET,
+};
+
+static int adau7118_probe_i2c(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct regmap *map;
+
+ map = devm_regmap_init_i2c(i2c, &adau7118_regmap_config);
+ if (IS_ERR(map)) {
+ dev_err(&i2c->dev, "Failed to init regmap %ld\n", PTR_ERR(map));
+ return PTR_ERR(map);
+ }
+
+ return adau7118_probe(&i2c->dev, map, false);
+}
+
+static const struct of_device_id adau7118_of_match[] = {
+ { .compatible = "adi,adau7118" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, adau7118_of_match);
+
+static const struct i2c_device_id adau7118_id[] = {
+ {"adau7118", 0},
+ {}
+};
+MODULE_DEVICE_TABLE(i2c, adau7118_id);
+
+static struct i2c_driver adau7118_driver = {
+ .driver = {
+ .name = "adau7118",
+ .of_match_table = adau7118_of_match,
+ },
+ .probe = adau7118_probe_i2c,
+ .id_table = adau7118_id,
+};
+module_i2c_driver(adau7118_driver);
+
+MODULE_AUTHOR("Nuno Sa <nuno.sa@analog.com>");
+MODULE_DESCRIPTION("ADAU7118 8 channel PDM-to-I2S/TDM Converter driver over I2C");
+MODULE_LICENSE("GPL");