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Diffstat (limited to 'include/linux/of_gpio.h')
-rw-r--r--include/linux/of_gpio.h102
1 files changed, 4 insertions, 98 deletions
diff --git a/include/linux/of_gpio.h b/include/linux/of_gpio.h
index 6db627257a7b..5d58b3b0a97e 100644
--- a/include/linux/of_gpio.h
+++ b/include/linux/of_gpio.h
@@ -17,21 +17,6 @@
struct device_node;
-/*
- * This is Linux-specific flags. By default controllers' and Linux' mapping
- * match, but GPIO controllers are free to translate their own flags to
- * Linux-specific in their .xlate callback. Though, 1:1 mapping is recommended.
- */
-enum of_gpio_flags {
- OF_GPIO_ACTIVE_LOW = 0x1,
- OF_GPIO_SINGLE_ENDED = 0x2,
- OF_GPIO_OPEN_DRAIN = 0x4,
- OF_GPIO_TRANSITORY = 0x8,
- OF_GPIO_PULL_UP = 0x10,
- OF_GPIO_PULL_DOWN = 0x20,
- OF_GPIO_PULL_DISABLE = 0x40,
-};
-
#ifdef CONFIG_OF_GPIO
#include <linux/container_of.h>
@@ -50,17 +35,12 @@ 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(const struct device_node *np,
- const char *list_name, int index, enum of_gpio_flags *flags);
+extern int of_get_named_gpio(const struct device_node *np,
+ const char *list_name, int index);
extern int of_mm_gpiochip_add_data(struct device_node *np,
struct of_mm_gpio_chip *mm_gc,
void *data);
-static inline int of_mm_gpiochip_add(struct device_node *np,
- struct of_mm_gpio_chip *mm_gc)
-{
- return of_mm_gpiochip_add_data(np, mm_gc, NULL);
-}
extern void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc);
#else /* CONFIG_OF_GPIO */
@@ -68,86 +48,12 @@ extern void of_mm_gpiochip_remove(struct of_mm_gpio_chip *mm_gc);
#include <linux/errno.h>
/* Drivers may not strictly depend on the GPIO support, so let them link. */
-static inline int of_get_named_gpio_flags(const struct device_node *np,
- const char *list_name, int index, enum of_gpio_flags *flags)
-{
- if (flags)
- *flags = 0;
-
- return -ENOSYS;
-}
-
-#endif /* CONFIG_OF_GPIO */
-
-/**
- * of_gpio_named_count() - Count GPIOs for a device
- * @np: device node to count GPIOs for
- * @propname: property name containing gpio specifier(s)
- *
- * The function returns the count of GPIOs specified for a node.
- * Note that the empty GPIO specifiers count too. Returns either
- * Number of gpios defined in property,
- * -EINVAL for an incorrectly formed gpios property, or
- * -ENOENT for a missing gpios property
- *
- * Example:
- * gpios = <0
- * &gpio1 1 2
- * 0
- * &gpio2 3 4>;
- *
- * The above example defines four GPIOs, two of which are not specified.
- * This function will return '4'
- */
-static inline int of_gpio_named_count(const struct device_node *np,
- const char *propname)
-{
- return of_count_phandle_with_args(np, propname, "#gpio-cells");
-}
-
-/**
- * of_gpio_count() - Count GPIOs for a device
- * @np: device node to count GPIOs for
- *
- * Same as of_gpio_named_count, but hard coded to use the 'gpios' property
- */
-static inline int of_gpio_count(const struct device_node *np)
-{
- return of_gpio_named_count(np, "gpios");
-}
-
-static inline int of_get_gpio_flags(const struct device_node *np, int index,
- enum of_gpio_flags *flags)
-{
- return of_get_named_gpio_flags(np, "gpios", index, flags);
-}
-
-/**
- * of_get_named_gpio() - Get a GPIO number to use with GPIO API
- * @np: device node to get GPIO from
- * @propname: Name of property containing gpio specifier(s)
- * @index: index of the GPIO
- *
- * Returns GPIO number to use with Linux generic GPIO API, or one of the errno
- * value on the error condition.
- */
static inline int of_get_named_gpio(const struct device_node *np,
const char *propname, int index)
{
- return of_get_named_gpio_flags(np, propname, index, NULL);
+ return -ENOSYS;
}
-/**
- * of_get_gpio() - Get a GPIO number to use with GPIO API
- * @np: device node to get GPIO from
- * @index: index of the GPIO
- *
- * Returns GPIO number to use with Linux generic GPIO API, or one of the errno
- * value on the error condition.
- */
-static inline int of_get_gpio(const struct device_node *np, int index)
-{
- return of_get_gpio_flags(np, index, NULL);
-}
+#endif /* CONFIG_OF_GPIO */
#endif /* __LINUX_OF_GPIO_H */