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arm-trusted-firmware / drivers / allwinner / sunxi_i2c.c
@Icenowy Zheng Icenowy Zheng on 7 Sep 2018 576 bytes allwinner: add I2C glue driver
/*
 * Copyright (C) 2018 Icenowy Zheng <icenowy@aosc.io>
 *
 * SPDX-License-Identifier:     BSD-3-Clause
 * https://spdx.org/licenses
 */

/* This driver provides I2C support for Allwinner sunXi SoCs */

#include <mmio.h>

#define CONFIG_SYS_TCLK			24000000
#define CONFIG_SYS_I2C_SPEED		100000
#define CONFIG_SYS_I2C_SLAVE		0

#define I2C_INTERRUPT_CLEAR_INVERTED

struct  mentor_i2c_regs {
	uint32_t slave_address;
	uint32_t xtnd_slave_addr;
	uint32_t data;
	uint32_t control;
	uint32_t status;
	uint32_t baudrate;
	uint32_t soft_reset;
};

#include "../mentor/i2c/mi2cv.c"