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1#ifndef __I2C_OMAP_H__
2#define __I2C_OMAP_H__
3
4#include <linux/platform_device.h>
5
6/*
7 * Version 2 of the I2C peripheral unit has a different register
8 * layout and extra registers. The ID register in the V2 peripheral
9 * unit on the OMAP4430 reports the same ID as the V1 peripheral
10 * unit on the OMAP3530, so we must inform the driver which IP
11 * version we know it is running on from platform / cpu-specific
12 * code using these constants in the hwmod class definition.
13 */
14
15#define OMAP_I2C_IP_VERSION_1 1
16#define OMAP_I2C_IP_VERSION_2 2
17
18/* struct omap_i2c_bus_platform_data .flags meanings */
19
20#define OMAP_I2C_FLAG_NO_FIFO BIT(0)
21#define OMAP_I2C_FLAG_SIMPLE_CLOCK BIT(1)
22#define OMAP_I2C_FLAG_16BIT_DATA_REG BIT(2)
23#define OMAP_I2C_FLAG_RESET_REGS_POSTIDLE BIT(3)
24#define OMAP_I2C_FLAG_APPLY_ERRATA_I207 BIT(4)
25#define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK BIT(5)
26#define OMAP_I2C_FLAG_FORCE_19200_INT_CLK BIT(6)
27/* how the CPU address bus must be translated for I2C unit access */
28#define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0
29#define OMAP_I2C_FLAG_BUS_SHIFT_1 BIT(7)
30#define OMAP_I2C_FLAG_BUS_SHIFT_2 BIT(8)
31#define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7
32
33struct omap_i2c_bus_platform_data {
34 u32 clkrate;
35 u32 rev;
36 u32 flags;
37 void (*set_mpu_wkup_lat)(struct device *dev, long set);
38};
39
40#endif