ASoC: tlv320aic32x4: DT support
Add DT support for this codec. The bindings differ a bit from the aic3x
codec bindings, so I created a new binding documentation.
Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Mark Brown <broonie@linaro.org>
diff --git a/sound/soc/codecs/tlv320aic32x4.c b/sound/soc/codecs/tlv320aic32x4.c
index c541213..1dd50e4 100644
--- a/sound/soc/codecs/tlv320aic32x4.c
+++ b/sound/soc/codecs/tlv320aic32x4.c
@@ -29,6 +29,7 @@
#include <linux/delay.h>
#include <linux/pm.h>
#include <linux/gpio.h>
+#include <linux/of_gpio.h>
#include <linux/i2c.h>
#include <linux/cdev.h>
#include <linux/slab.h>
@@ -669,11 +670,22 @@
.num_dapm_routes = ARRAY_SIZE(aic32x4_dapm_routes),
};
+static int aic32x4_parse_dt(struct aic32x4_priv *aic32x4,
+ struct device_node *np)
+{
+ aic32x4->swapdacs = false;
+ aic32x4->micpga_routing = 0;
+ aic32x4->rstn_gpio = of_get_named_gpio(np, "reset-gpios", 0);
+
+ return 0;
+}
+
static int aic32x4_i2c_probe(struct i2c_client *i2c,
const struct i2c_device_id *id)
{
struct aic32x4_pdata *pdata = i2c->dev.platform_data;
struct aic32x4_priv *aic32x4;
+ struct device_node *np = i2c->dev.of_node;
int ret;
aic32x4 = devm_kzalloc(&i2c->dev, sizeof(struct aic32x4_priv),
@@ -692,6 +704,12 @@
aic32x4->swapdacs = pdata->swapdacs;
aic32x4->micpga_routing = pdata->micpga_routing;
aic32x4->rstn_gpio = pdata->rstn_gpio;
+ } else if (np) {
+ ret = aic32x4_parse_dt(aic32x4, np);
+ if (ret) {
+ dev_err(&i2c->dev, "Failed to parse DT node\n");
+ return ret;
+ }
} else {
aic32x4->power_cfg = 0;
aic32x4->swapdacs = false;
@@ -723,10 +741,17 @@
};
MODULE_DEVICE_TABLE(i2c, aic32x4_i2c_id);
+static const struct of_device_id aic32x4_of_id[] = {
+ { .compatible = "ti,tlv320aic32x4", },
+ { /* senitel */ }
+};
+MODULE_DEVICE_TABLE(of, aic32x4_of_id);
+
static struct i2c_driver aic32x4_i2c_driver = {
.driver = {
.name = "tlv320aic32x4",
.owner = THIS_MODULE,
+ .of_match_table = aic32x4_of_id,
},
.probe = aic32x4_i2c_probe,
.remove = aic32x4_i2c_remove,
