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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2016, Linaro Limited
*
*/
#ifndef __PL022_SPI_H__
#define __PL022_SPI_H__
#include <gpio.h>
#include <spi.h>
#define PL022_REG_SIZE 0x1000
enum pl022_cs_control {
PL022_CS_CTRL_AUTO_GPIO,
PL022_CS_CTRL_CB,
PL022_CS_CTRL_MANUAL
};
struct pl022_cs_gpio_data {
struct gpio_chip *chip;
unsigned int pin_num;
};
union pl022_cs_data {
struct pl022_cs_gpio_data gpio_data;
void (*cs_cb)(enum gpio_level value);
};
struct pl022_data {
union pl022_cs_data cs_data;
struct spi_chip chip;
vaddr_t base;
enum spi_mode mode;
enum pl022_cs_control cs_control;
unsigned int clk_hz;
unsigned int speed_hz;
unsigned int data_size_bits;
bool loopback;
};
void pl022_init(struct pl022_data *pd);
#endif /* __PL022_SPI_H__ */
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