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@@ -701,4 +701,51 @@ int gpio_get_number(const struct gpio_desc *desc);
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*/
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int gpio_get_acpi(const struct gpio_desc *desc, struct acpi_gpio *gpio);
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+/**
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+ * devm_gpiod_get_index - Resource-managed gpiod_get()
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+ * @dev: GPIO consumer
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+ * @con_id: function within the GPIO consumer
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+ * @index: index of the GPIO to obtain in the consumer
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+ * @flags: optional GPIO initialization flags
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+ *
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+ * Managed gpiod_get(). GPIO descriptors returned from this function are
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+ * automatically disposed on device unbind.
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+ * Return the GPIO descriptor corresponding to the function con_id of device
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+ * dev, -ENOENT if no GPIO has been assigned to the requested function, or
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+ * another IS_ERR() code if an error occurred while trying to acquire the GPIO.
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+ */
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+struct gpio_desc *devm_gpiod_get_index(struct udevice *dev, const char *id,
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+ unsigned int index, int flags);
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+
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+#define devm_gpiod_get(dev, id, flags) devm_gpiod_get_index(dev, id, 0, flags)
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+/**
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+ * gpiod_get_optional - obtain an optional GPIO for a given GPIO function
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+ * @dev: GPIO consumer, can be NULL for system-global GPIOs
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+ * @con_id: function within the GPIO consumer
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+ * @index: index of the GPIO to obtain in the consumer
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+ * @flags: optional GPIO initialization flags
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+ *
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+ * This is equivalent to devm_gpiod_get(), except that when no GPIO was
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+ * assigned to the requested function it will return NULL. This is convenient
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+ * for drivers that need to handle optional GPIOs.
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+ */
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+struct gpio_desc *devm_gpiod_get_index_optional(struct udevice *dev,
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+ const char *id,
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+ unsigned int index,
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+ int flags);
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+
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+#define devm_gpiod_get_optional(dev, id, flags) \
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+ devm_gpiod_get_index_optional(dev, id, 0, flags)
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+
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+/**
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+ * devm_gpiod_put - Resource-managed gpiod_put()
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+ * @dev: GPIO consumer
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+ * @desc: GPIO descriptor to dispose of
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+ *
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+ * Dispose of a GPIO descriptor obtained with devm_gpiod_get() or
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+ * devm_gpiod_get_index(). Normally this function will not be called as the GPIO
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+ * will be disposed of by the resource management code.
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+ */
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+void devm_gpiod_put(struct udevice *dev, struct gpio_desc *desc);
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+
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#endif /* _ASM_GENERIC_GPIO_H_ */
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