i2c-omap.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef __I2C_OMAP_H__
 3#define __I2C_OMAP_H__
 4
 5#include <linux/platform_device.h>
 6
 7/*
 8 * Version 2 of the I2C peripheral unit has a different register
 9 * layout and extra registers.  The ID register in the V2 peripheral
10 * unit on the OMAP4430 reports the same ID as the V1 peripheral
11 * unit on the OMAP3530, so we must inform the driver which IP
12 * version we know it is running on from platform / cpu-specific
13 * code using these constants in the hwmod class definition.
14 */
15
16#define OMAP_I2C_IP_VERSION_1 1
17#define OMAP_I2C_IP_VERSION_2 2
18
19/* struct omap_i2c_bus_platform_data .flags meanings */
20
21#define OMAP_I2C_FLAG_NO_FIFO			BIT(0)
22#define OMAP_I2C_FLAG_SIMPLE_CLOCK		BIT(1)
23#define OMAP_I2C_FLAG_16BIT_DATA_REG		BIT(2)
24#define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK	BIT(5)
25#define OMAP_I2C_FLAG_FORCE_19200_INT_CLK	BIT(6)
26/* how the CPU address bus must be translated for I2C unit access */
27#define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0
28#define OMAP_I2C_FLAG_BUS_SHIFT_1		BIT(7)
29#define OMAP_I2C_FLAG_BUS_SHIFT_2		BIT(8)
30#define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7
31
32struct omap_i2c_bus_platform_data {
33	u32		clkrate;
34	u32		rev;
35	u32		flags;
36	void		(*set_mpu_wkup_lat)(struct device *dev, long set);
37};
38
39#endif