}
EXPORT_SYMBOL(of_get_named_gpio_flags);
+struct gpio_desc *of_find_gpio(struct device *dev, const char *con_id,
+ unsigned int idx,
+ enum gpio_lookup_flags *flags)
+{
+ char prop_name[32]; /* 32 is max size of property name */
+ enum of_gpio_flags of_flags;
+ struct gpio_desc *desc;
+ unsigned int i;
+
+ for (i = 0; i < ARRAY_SIZE(gpio_suffixes); i++) {
+ if (con_id)
+ snprintf(prop_name, sizeof(prop_name), "%s-%s", con_id,
+ gpio_suffixes[i]);
+ else
+ snprintf(prop_name, sizeof(prop_name), "%s",
+ gpio_suffixes[i]);
+
+ desc = of_get_named_gpiod_flags(dev->of_node, prop_name, idx,
+ &of_flags);
+ if (!IS_ERR(desc) || (PTR_ERR(desc) != -ENOENT))
+ break;
+ }
+
+ if (IS_ERR(desc))
+ return desc;
+
+ if (of_flags & OF_GPIO_ACTIVE_LOW)
+ *flags |= GPIO_ACTIVE_LOW;
+
+ if (of_flags & OF_GPIO_SINGLE_ENDED) {
+ if (of_flags & OF_GPIO_ACTIVE_LOW)
+ *flags |= GPIO_OPEN_DRAIN;
+ else
+ *flags |= GPIO_OPEN_SOURCE;
+ }
+
+ return desc;
+}
+
/**
* of_parse_own_gpio() - Get a GPIO hog descriptor, names and flags for GPIO API
* @np: device node to get GPIO from