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-rw-r--r--sound/soc/codecs/pcm512x-i2c.c84
1 files changed, 84 insertions, 0 deletions
diff --git a/sound/soc/codecs/pcm512x-i2c.c b/sound/soc/codecs/pcm512x-i2c.c
new file mode 100644
index 0000000000..5cd2b64b93
--- /dev/null
+++ b/sound/soc/codecs/pcm512x-i2c.c
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Driver for the PCM512x CODECs
+ *
+ * Author: Mark Brown <broonie@kernel.org>
+ * Copyright 2014 Linaro Ltd
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/i2c.h>
+#include <linux/acpi.h>
+
+#include "pcm512x.h"
+
+static int pcm512x_i2c_probe(struct i2c_client *i2c)
+{
+ struct regmap *regmap;
+ struct regmap_config config = pcm512x_regmap;
+
+ /* msb needs to be set to enable auto-increment of addresses */
+ config.read_flag_mask = 0x80;
+ config.write_flag_mask = 0x80;
+
+ regmap = devm_regmap_init_i2c(i2c, &config);
+ if (IS_ERR(regmap))
+ return PTR_ERR(regmap);
+
+ return pcm512x_probe(&i2c->dev, regmap);
+}
+
+static void pcm512x_i2c_remove(struct i2c_client *i2c)
+{
+ pcm512x_remove(&i2c->dev);
+}
+
+static const struct i2c_device_id pcm512x_i2c_id[] = {
+ { "pcm5121", },
+ { "pcm5122", },
+ { "pcm5141", },
+ { "pcm5142", },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, pcm512x_i2c_id);
+
+#if defined(CONFIG_OF)
+static const struct of_device_id pcm512x_of_match[] = {
+ { .compatible = "ti,pcm5121", },
+ { .compatible = "ti,pcm5122", },
+ { .compatible = "ti,pcm5141", },
+ { .compatible = "ti,pcm5142", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, pcm512x_of_match);
+#endif
+
+#ifdef CONFIG_ACPI
+static const struct acpi_device_id pcm512x_acpi_match[] = {
+ { "104C5121", 0 },
+ { "104C5122", 0 },
+ { "104C5141", 0 },
+ { "104C5142", 0 },
+ { },
+};
+MODULE_DEVICE_TABLE(acpi, pcm512x_acpi_match);
+#endif
+
+static struct i2c_driver pcm512x_i2c_driver = {
+ .probe = pcm512x_i2c_probe,
+ .remove = pcm512x_i2c_remove,
+ .id_table = pcm512x_i2c_id,
+ .driver = {
+ .name = "pcm512x",
+ .of_match_table = of_match_ptr(pcm512x_of_match),
+ .acpi_match_table = ACPI_PTR(pcm512x_acpi_match),
+ .pm = &pcm512x_pm_ops,
+ },
+};
+
+module_i2c_driver(pcm512x_i2c_driver);
+
+MODULE_DESCRIPTION("ASoC PCM512x codec driver - I2C");
+MODULE_AUTHOR("Mark Brown <broonie@kernel.org>");
+MODULE_LICENSE("GPL v2");