ASoC: tpa6130a2: Add device tree support
Add device tree support to tpa6130a2 driver and document the
bindings.
Signed-off-by: Sebastian Reichel <sre@debian.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/tpa6130a2.c b/sound/soc/codecs/tpa6130a2.c
index c58bee8..998555f 100644
--- a/sound/soc/codecs/tpa6130a2.c
+++ b/sound/soc/codecs/tpa6130a2.c
@@ -30,6 +30,7 @@
#include <sound/tpa6130a2-plat.h>
#include <sound/soc.h>
#include <sound/tlv.h>
+#include <linux/of_gpio.h>
#include "tpa6130a2.h"
@@ -364,30 +365,33 @@
{
struct device *dev;
struct tpa6130a2_data *data;
- struct tpa6130a2_platform_data *pdata;
+ struct tpa6130a2_platform_data *pdata = client->dev.platform_data;
+ struct device_node *np = client->dev.of_node;
const char *regulator;
int ret;
dev = &client->dev;
- if (client->dev.platform_data == NULL) {
- dev_err(dev, "Platform data not set\n");
- dump_stack();
- return -ENODEV;
- }
-
data = devm_kzalloc(&client->dev, sizeof(*data), GFP_KERNEL);
if (data == NULL) {
dev_err(dev, "Can not allocate memory\n");
return -ENOMEM;
}
+ if (pdata) {
+ data->power_gpio = pdata->power_gpio;
+ } else if (np) {
+ data->power_gpio = of_get_named_gpio(np, "power-gpio", 0);
+ } else {
+ dev_err(dev, "Platform data not set\n");
+ dump_stack();
+ return -ENODEV;
+ }
+
tpa6130a2_client = client;
i2c_set_clientdata(tpa6130a2_client, data);
- pdata = client->dev.platform_data;
- data->power_gpio = pdata->power_gpio;
data->id = id->driver_data;
mutex_init(&data->mutex);
@@ -466,10 +470,20 @@
};
MODULE_DEVICE_TABLE(i2c, tpa6130a2_id);
+#if IS_ENABLED(CONFIG_OF)
+static const struct of_device_id tpa6130a2_of_match[] = {
+ { .compatible = "ti,tpa6130a2", },
+ { .compatible = "ti,tpa6140a2" },
+ {},
+};
+MODULE_DEVICE_TABLE(of, tpa6130a2_of_match);
+#endif
+
static struct i2c_driver tpa6130a2_i2c_driver = {
.driver = {
.name = "tpa6130a2",
.owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(tpa6130a2_of_match),
},
.probe = tpa6130a2_probe,
.remove = tpa6130a2_remove,