With device core now able to setup the default pin configuration,
the pin configuration code based on the deprecated Samsung specific
gpio bindings in i2s driver is removed.
Signed-off-by: Thomas Abraham <thomas.abraham@xxxxxxxxxx>
---
.../devicetree/bindings/sound/samsung-i2s.txt | 30 +--------
sound/soc/samsung/i2s.c | 67 +------------------
2 files changed, 8 insertions(+), 89 deletions(-)
diff --git a/Documentation/devicetree/bindings/sound/samsung-i2s.txt b/Documentation/devicetree/bindings/sound/samsung-i2s.txt
index 3070046..1db65e5 100644
--- a/Documentation/devicetree/bindings/sound/samsung-i2s.txt
+++ b/Documentation/devicetree/bindings/sound/samsung-i2s.txt
@@ -20,23 +20,11 @@ Optional SoC Specific Properties:
then this flag is enabled.
- samsung,idma-addr: Internal DMA register base address of the audio
sub system(used in secondary sound source).
-
-Required Board Specific Properties:
-
-- gpios: The gpio specifier for data out,data in, LRCLK, CDCLK and SCLK
- interface lines. The format of the gpio specifier depends on the gpio
- controller.
- The syntax of samsung gpio specifier is
- <[phandle of the gpio controller node]
- [pin number within the gpio controller]
- [mux function]
- [flags and pull up/down]
- [drive strength]>
+- pinctrl-0: Should specify pin control groups used for this controller.
+- pinctrl-names: Should contain only one value - "default".
Example:
-- SoC Specific Portion:
-
i2s@03830000 {
compatible = "samsung,i2s-v5";
reg = <0x03830000 0x100>;
@@ -48,16 +36,6 @@ i2s@03830000 {
samsung,supports-rstclr;
samsung,supports-secdai;
samsung,idma-addr = <0x03000000>;
-};
-
-- Board Specific Portion:
-
-i2s@03830000 {
- gpios = <&gpz 0 2 0 0>, /* I2S_0_SCLK */
- <&gpz 1 2 0 0>, /* I2S_0_CDCLK */
- <&gpz 2 2 0 0>, /* I2S_0_LRCK */
- <&gpz 3 2 0 0>, /* I2S_0_SDI */
- <&gpz 4 2 0 0>, /* I2S_0_SDO[1] */
- <&gpz 5 2 0 0>, /* I2S_0_SDO[2] */
- <&gpz 6 2 0 0>; /* I2S_0_SDO[3] */
+ pinctrl-names = "default";
+ pinctrl-0 = <&i2s0_bus>;
};
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index d7231e3..f982a83 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -16,7 +16,6 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
-#include <linux/of_gpio.h>
#include <linux/pm_runtime.h>
#include <sound/soc.h>
@@ -79,7 +78,6 @@ struct i2s_dai {
u32 suspend_i2smod;
u32 suspend_i2scon;
u32 suspend_i2spsr;
- unsigned long gpios[7]; /* i2s gpio line numbers */
};
/* Lock for cross i/f checks */
@@ -1009,52 +1007,6 @@ static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
return i2s;
}
-#ifdef CONFIG_OF
-static int samsung_i2s_parse_dt_gpio(struct i2s_dai *i2s)
-{
- struct device *dev = &i2s->pdev->dev;
- int index, gpio, ret;
-
- for (index = 0; index < 7; index++) {
- gpio = of_get_gpio(dev->of_node, index);
- if (!gpio_is_valid(gpio)) {
- dev_err(dev, "invalid gpio[%d]: %d\n", index, gpio);
- goto free_gpio;
- }
-
- ret = gpio_request(gpio, dev_name(dev));
- if (ret) {
- dev_err(dev, "gpio [%d] request failed\n", gpio);
- goto free_gpio;
- }
- i2s->gpios[index] = gpio;
- }
- return 0;
-
-free_gpio:
- while (--index >= 0)
- gpio_free(i2s->gpios[index]);
- return -EINVAL;
-}
-
-static void samsung_i2s_dt_gpio_free(struct i2s_dai *i2s)
-{
- unsigned int index;
- for (index = 0; index < 7; index++)
- gpio_free(i2s->gpios[index]);
-}
-#else
-static int samsung_i2s_parse_dt_gpio(struct i2s_dai *dai)
-{
- return -EINVAL;
-}
-
-static void samsung_i2s_dt_gpio_free(struct i2s_dai *dai)
-{
-}
-
-#endif
-
static const struct of_device_id exynos_i2s_match[];
static inline int samsung_i2s_get_driver_data(struct platform_device *pdev)
@@ -1223,18 +1175,10 @@ static int samsung_i2s_probe(struct platform_device *pdev)
pri_dai->sec_dai = sec_dai;
}
- if (np) {
- if (samsung_i2s_parse_dt_gpio(pri_dai)) {
- dev_err(&pdev->dev, "Unable to configure gpio\n");
- ret = -EINVAL;
- goto err;
- }
- } else {
- if (i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) {
- dev_err(&pdev->dev, "Unable to configure gpio\n");
- ret = -EINVAL;
- goto err;
- }
+ if (i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) {
+ dev_err(&pdev->dev, "Unable to configure gpio\n");
+ ret = -EINVAL;
+ goto err;
}
snd_soc_register_dai(&pri_dai->pdev->dev, &pri_dai->i2s_dai_drv);
@@ -1259,9 +1203,6 @@ static int samsung_i2s_remove(struct platform_device *pdev)
i2s = dev_get_drvdata(&pdev->dev);
other = i2s->pri_dai ? : i2s->sec_dai;
- if (!i2s_pdata->cfg_gpio && pdev->dev.of_node)
- samsung_i2s_dt_gpio_free(i2s->pri_dai);
-
if (other) {
other->pri_dai = NULL;
other->sec_dai = NULL;
--
1.6.6.rc2
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