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path: root/drivers/gpio/gpiolib.h
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Diffstat (limited to 'drivers/gpio/gpiolib.h')
-rw-r--r--drivers/gpio/gpiolib.h45
1 files changed, 36 insertions, 9 deletions
diff --git a/drivers/gpio/gpiolib.h b/drivers/gpio/gpiolib.h
index 2d9ea5e0cab3..346fbda39220 100644
--- a/drivers/gpio/gpiolib.h
+++ b/drivers/gpio/gpiolib.h
@@ -20,6 +20,7 @@
enum of_gpio_flags;
enum gpiod_flags;
+enum gpio_lookup_flags;
struct acpi_device;
/**
@@ -86,6 +87,32 @@ struct acpi_gpio_info {
/* gpio suffixes used for ACPI and device tree lookup */
static const char * const gpio_suffixes[] = { "gpios", "gpio" };
+#ifdef CONFIG_OF_GPIO
+struct gpio_desc *of_find_gpio(struct device *dev,
+ const char *con_id,
+ unsigned int idx,
+ enum gpio_lookup_flags *flags);
+struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
+ const char *list_name, int index, enum of_gpio_flags *flags);
+int of_gpiochip_add(struct gpio_chip *gc);
+void of_gpiochip_remove(struct gpio_chip *gc);
+#else
+static inline struct gpio_desc *of_find_gpio(struct device *dev,
+ const char *con_id,
+ unsigned int idx,
+ enum gpio_lookup_flags *flags)
+{
+ return ERR_PTR(-ENOENT);
+}
+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 ERR_PTR(-ENOENT);
+}
+static inline int of_gpiochip_add(struct gpio_chip *gc) { return 0; }
+static inline void of_gpiochip_remove(struct gpio_chip *gc) { }
+#endif /* CONFIG_OF_GPIO */
+
#ifdef CONFIG_ACPI
void acpi_gpiochip_add(struct gpio_chip *chip);
void acpi_gpiochip_remove(struct gpio_chip *chip);
@@ -93,9 +120,11 @@ void acpi_gpiochip_remove(struct gpio_chip *chip);
void acpi_gpiochip_request_interrupts(struct gpio_chip *chip);
void acpi_gpiochip_free_interrupts(struct gpio_chip *chip);
-struct gpio_desc *acpi_get_gpiod_by_index(struct acpi_device *adev,
- const char *propname, int index,
- struct acpi_gpio_info *info);
+struct gpio_desc *acpi_find_gpio(struct device *dev,
+ const char *con_id,
+ unsigned int idx,
+ enum gpiod_flags flags,
+ enum gpio_lookup_flags *lookupflags);
struct gpio_desc *acpi_node_get_gpiod(struct fwnode_handle *fwnode,
const char *propname, int index,
struct acpi_gpio_info *info);
@@ -114,10 +143,11 @@ static inline void
acpi_gpiochip_free_interrupts(struct gpio_chip *chip) { }
static inline struct gpio_desc *
-acpi_get_gpiod_by_index(struct acpi_device *adev, const char *propname,
- int index, struct acpi_gpio_info *info)
+acpi_find_gpio(struct device *dev, const char *con_id,
+ unsigned int idx, enum gpiod_flags flags,
+ enum gpio_lookup_flags *lookupflags)
{
- return ERR_PTR(-ENOSYS);
+ return ERR_PTR(-ENOENT);
}
static inline struct gpio_desc *
acpi_node_get_gpiod(struct fwnode_handle *fwnode, const char *propname,
@@ -137,9 +167,6 @@ static inline bool acpi_can_fallback_to_crs(struct acpi_device *adev,
}
#endif
-struct gpio_desc *of_get_named_gpiod_flags(struct device_node *np,
- const char *list_name, int index, enum of_gpio_flags *flags);
-
struct gpio_desc *gpiochip_get_desc(struct gpio_chip *chip, u16 hwnum);
void gpiod_set_array_value_complex(bool raw, bool can_sleep,
unsigned int array_size,