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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright 2019 Broadcom.
*/
#ifndef BCM_GPIO_H
#define BCM_GPIO_H
#include <gpio.h>
#include <stdlib.h>
#include <sys/queue.h>
/**
* struct bcm_gpio_chip describes GPIO controller chip instance
* @chip: generic GPIO chip handle.
* @gpio_base: starting GPIO number managed by this GPIO controller.
* @ngpios: number of GPIOs managed by this GPIO controller.
* @base: virtual base address of the GPIO controller registers.
*/
struct bcm_gpio_chip {
struct gpio_chip chip;
unsigned int gpio_base;
unsigned int ngpios;
vaddr_t base;
SLIST_ENTRY(bcm_gpio_chip) link;
};
/* returns bcm_gpio_chip handle for a GPIO pin */
struct bcm_gpio_chip *bcm_gpio_pin_to_chip(unsigned int pin);
#endif /* BCM_GPIO_H */
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