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Diffstat (limited to 'include/linux/of_gpio.h')
-rw-r--r--include/linux/of_gpio.h29
1 files changed, 24 insertions, 5 deletions
diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h
index a83dc6f..f14123a 100644
--- a/include/linux/of_gpio.h
+++ b/include/linux/of_gpio.h
@@ -19,6 +19,7 @@
#include <linux/errno.h>
#include <linux/gpio.h>
#include <linux/of.h>
+#include <linux/gpio/consumer.h>
struct device_node;
@@ -47,7 +48,7 @@ static inline struct of_mm_gpio_chip *to_of_mm_gpio_chip(struct gpio_chip *gc)
return container_of(gc, struct of_mm_gpio_chip, gc);
}
-extern int of_get_named_gpio_flags(struct device_node *np,
+extern struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
const char *list_name, int index, enum of_gpio_flags *flags);
extern int of_mm_gpiochip_add(struct device_node *np,
@@ -62,10 +63,10 @@ extern int of_gpio_simple_xlate(struct gpio_chip *gc,
#else /* CONFIG_OF_GPIO */
/* Drivers may not strictly depend on the GPIO support, so let them link. */
-static inline int of_get_named_gpio_flags(struct device_node *np,
+static inline struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
const char *list_name, int index, enum of_gpio_flags *flags)
{
- return -ENOSYS;
+ return ERR_PTR(-ENOSYS);
}
static inline int of_gpio_simple_xlate(struct gpio_chip *gc,
@@ -80,6 +81,18 @@ static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
#endif /* CONFIG_OF_GPIO */
+static inline int of_get_named_gpio_flags(struct device_node *np,
+ const char *list_name, int index, enum of_gpio_flags *flags)
+{
+ struct gpio_desc *desc;
+ desc = of_get_named_gpiod_flags(np, list_name, index, flags);
+
+ if (IS_ERR(desc))
+ return PTR_ERR(desc);
+ else
+ return desc_to_gpio(desc);
+}
+
/**
* of_gpio_named_count() - Count GPIOs for a device
* @np: device node to count GPIOs for
@@ -117,15 +130,21 @@ static inline int of_gpio_count(struct device_node *np)
}
/**
- * of_get_gpio_flags() - Get a GPIO number and flags to use with GPIO API
+ * of_get_gpiod_flags() - Get a GPIO descriptor and flags to use with GPIO API
* @np: device node to get GPIO from
* @index: index of the GPIO
* @flags: a flags pointer to fill in
*
- * Returns GPIO number to use with Linux generic GPIO API, or one of the errno
+ * Returns GPIO descriptor to use with Linux generic GPIO API, or a errno
* value on the error condition. If @flags is not NULL the function also fills
* in flags for the GPIO.
*/
+static inline struct gpio_desc *of_get_gpiod_flags(struct device_node *np,
+ int index, enum of_gpio_flags *flags)
+{
+ return of_get_named_gpiod_flags(np, "gpios", index, flags);
+}
+
static inline int of_get_gpio_flags(struct device_node *np, int index,
enum of_gpio_flags *flags)
{