Zephyr API Documentation  2.7.0-rc2
A Scalable Open Source RTOS
gpio_mmio32.h
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1/*
2 * Copyright (c) 2016 Linaro Ltd.
3 *
4 * SPDX-License-Identifier: Apache-2.0
5 */
6
7#ifndef ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_MMIO32_H_
8#define ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_MMIO32_H_
9
10#include <device.h>
11#include <drivers/gpio.h>
12#include <zephyr/types.h>
13
14extern const struct gpio_driver_api gpio_mmio32_api;
15
17 /* gpio_driver_config needs to be first */
19 volatile uint32_t *reg;
21};
22
24 /* gpio_driver_data needs to be first */
27};
28
29int gpio_mmio32_init(const struct device *dev);
30
31#ifdef CONFIG_GPIO_MMIO32
32
44#define GPIO_MMIO32_INIT(node_id, _address, _mask) \
45static struct gpio_mmio32_context _CONCAT(Z_DEVICE_DT_DEV_NAME(node_id), _ctx); \
46 \
47static const struct gpio_mmio32_config _CONCAT(Z_DEVICE_DT_DEV_NAME(node_id), _cfg) = { \
48 .common = { \
49 .port_pin_mask = _mask, \
50 }, \
51 .reg = (volatile uint32_t *)_address, \
52 .mask = _mask, \
53}; \
54 \
55DEVICE_DT_DEFINE(node_id, \
56 &gpio_mmio32_init, \
57 NULL, \
58 &_CONCAT(Z_DEVICE_DT_DEV_NAME(node_id), _ctx), \
59 &_CONCAT(Z_DEVICE_DT_DEV_NAME(node_id), _cfg), \
60 PRE_KERNEL_1, CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
61 &gpio_mmio32_api)
62
63
64#else /* CONFIG_GPIO_MMIO32 */
65
66/* Null definition for when support not configured into kernel */
67#define GPIO_MMIO32_INIT(node_id, _address, _mask)
68
69#endif
70
71
72#endif /* ZEPHYR_INCLUDE_DRIVERS_GPIO_GPIO_MMIO32_H_ */
Public APIs for GPIO drivers.
int gpio_mmio32_init(const struct device *dev)
const struct gpio_driver_api gpio_mmio32_api
__UINT32_TYPE__ uint32_t
Definition: stdint.h:60
Runtime device structure (in ROM) per driver instance.
Definition: device.h:367
Definition: gpio.h:475
Definition: gpio.h:488
Definition: gpio_mmio32.h:16
volatile uint32_t * reg
Definition: gpio_mmio32.h:19
uint32_t mask
Definition: gpio_mmio32.h:20
struct gpio_driver_config common
Definition: gpio_mmio32.h:18
Definition: gpio_mmio32.h:23
struct gpio_driver_data common
Definition: gpio_mmio32.h:25
const struct gpio_mmio32_config * config
Definition: gpio_mmio32.h:26