+/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (c) 2011 The Chromium OS Authors.
* Copyright (c) 2011, NVIDIA Corp. All rights reserved.
- * SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ASM_GENERIC_GPIO_H_
#define _ASM_GENERIC_GPIO_H_
+#include <dm/ofnode.h>
+
struct ofnode_phandle_args;
/*
*
* This routine sets the offset field to args[0] and the flags field to
* GPIOD_ACTIVE_LOW if the GPIO_ACTIVE_LOW flag is present in args[1].
- *
*/
int gpio_xlate_offs_flags(struct udevice *dev, struct gpio_desc *desc,
struct ofnode_phandle_args *args);
int dm_gpio_lookup_name(const char *name, struct gpio_desc *desc);
/**
+ * gpio_hog_lookup_name() - Look up a named GPIO and return the gpio descr.
+ *
+ * @name: Name to look up
+ * @return: Returns gpio_desc for gpio
+ */
+struct gpio_desc *gpio_hog_lookup_name(const char *name);
+
+/**
+ * gpio_hog_probe_all() - probe all gpio devices with
+ * gpio-hog subnodes.
+ *
+ * @return: Returns return value from device_probe()
+ */
+int gpio_hog_probe_all(void);
+
+/**
* gpio_lookup_name - Look up a GPIO name and return its details
*
* This is used to convert a named GPIO into a device, offset and GPIO
* This is a version of gpio_request_list_by_name() that does not use a
* device. Avoid it unless the caller is not yet using driver model
*/
-int gpio_request_by_name_nodev(const void *blob, int node,
- const char *list_name,
- int index, struct gpio_desc *desc, int flags);
+int gpio_request_by_name_nodev(ofnode node, const char *list_name, int index,
+ struct gpio_desc *desc, int flags);
/**
* gpio_request_list_by_name_nodev() - request GPIOs without a device
* This is a version of gpio_request_list_by_name() that does not use a
* device. Avoid it unless the caller is not yet using driver model
*/
-int gpio_request_list_by_name_nodev(const void *blob, int node,
- const char *list_name,
+int gpio_request_list_by_name_nodev(ofnode node, const char *list_name,
struct gpio_desc *desc_list, int max_count,
int flags);
/**
+ * gpio_dev_request_index() - request single GPIO from gpio device
+ *
+ * @dev: GPIO device
+ * @nodename: Name of node
+ * @list_name: Name of GPIO list (e.g. "board-id-gpios")
+ * @index: Index number of the GPIO in that list use request (0=first)
+ * @flags: GPIOD_* flags
+ * @dtflags: GPIO flags read from DT
+ * @desc: GPIO descriotor filled from this function
+ * @return: return value from gpio_request_tail()
+ */
+int gpio_dev_request_index(struct udevice *dev, const char *nodename,
+ char *list_name, int index, int flags,
+ int dtflags, struct gpio_desc *desc);
+
+/**
* dm_gpio_free() - Free a single GPIO
*
* This frees a single GPIOs previously returned from gpio_request_by_name().