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path: root/drivers/gpio/gpio-samsung.c
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Diffstat (limited to 'drivers/gpio/gpio-samsung.c')
-rw-r--r--drivers/gpio/gpio-samsung.c42
1 files changed, 11 insertions, 31 deletions
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index 358a21c2d811..76e02b9460e6 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -1033,7 +1033,7 @@ static int s3c24xx_gpiolib_fbank_to_irq(struct gpio_chip *chip, unsigned offset)
}
#endif
-#ifdef CONFIG_PLAT_S3C64XX
+#ifdef CONFIG_ARCH_S3C64XX
static int s3c64xx_gpiolib_mbank_to_irq(struct gpio_chip *chip, unsigned pin)
{
return pin < 5 ? IRQ_EINT(23) + pin : -ENXIO;
@@ -1174,7 +1174,7 @@ struct samsung_gpio_chip s3c24xx_gpios[] = {
*/
static struct samsung_gpio_chip s3c64xx_gpios_4bit[] = {
-#ifdef CONFIG_PLAT_S3C64XX
+#ifdef CONFIG_ARCH_S3C64XX
{
.chip = {
.base = S3C64XX_GPA(0),
@@ -1227,7 +1227,7 @@ static struct samsung_gpio_chip s3c64xx_gpios_4bit[] = {
};
static struct samsung_gpio_chip s3c64xx_gpios_4bit2[] = {
-#ifdef CONFIG_PLAT_S3C64XX
+#ifdef CONFIG_ARCH_S3C64XX
{
.base = S3C64XX_GPH_BASE + 0x4,
.chip = {
@@ -1257,7 +1257,7 @@ static struct samsung_gpio_chip s3c64xx_gpios_4bit2[] = {
};
static struct samsung_gpio_chip s3c64xx_gpios_2bit[] = {
-#ifdef CONFIG_PLAT_S3C64XX
+#ifdef CONFIG_ARCH_S3C64XX
{
.base = S3C64XX_GPF_BASE,
.config = &samsung_gpio_cfgs[6],
@@ -2082,34 +2082,14 @@ static __init int samsung_gpiolib_init(void)
int i, nr_chips;
int group = 0;
-#if defined(CONFIG_PINCTRL_EXYNOS) || defined(CONFIG_PINCTRL_EXYNOS5440)
/*
- * This gpio driver includes support for device tree support and there
- * are platforms using it. In order to maintain compatibility with those
- * platforms, and to allow non-dt Exynos4210 platforms to use this
- * gpiolib support, a check is added to find out if there is a active
- * pin-controller driver support available. If it is available, this
- * gpiolib support is ignored and the gpiolib support available in
- * pin-controller driver is used. This is a temporary check and will go
- * away when all of the Exynos4210 platforms have switched to using
- * device tree and the pin-ctrl driver.
- */
- struct device_node *pctrl_np;
- static const struct of_device_id exynos_pinctrl_ids[] = {
- { .compatible = "samsung,s3c2412-pinctrl", },
- { .compatible = "samsung,s3c2416-pinctrl", },
- { .compatible = "samsung,s3c2440-pinctrl", },
- { .compatible = "samsung,s3c2450-pinctrl", },
- { .compatible = "samsung,exynos4210-pinctrl", },
- { .compatible = "samsung,exynos4x12-pinctrl", },
- { .compatible = "samsung,exynos5250-pinctrl", },
- { .compatible = "samsung,exynos5440-pinctrl", },
- { }
- };
- for_each_matching_node(pctrl_np, exynos_pinctrl_ids)
- if (pctrl_np && of_device_is_available(pctrl_np))
- return -ENODEV;
-#endif
+ * Currently there are two drivers that can provide GPIO support for
+ * Samsung SoCs. For device tree enabled platforms, the new
+ * pinctrl-samsung driver is used, providing both GPIO and pin control
+ * interfaces. For legacy (non-DT) platforms this driver is used.
+ */
+ if (of_have_populated_dt())
+ return -ENODEV;
samsung_gpiolib_set_cfg(samsung_gpio_cfgs, ARRAY_SIZE(samsung_gpio_cfgs));