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_ALWAYS_ARMXOR_CLK BIT(5) 24#define OMAP_I2C_FLAG_FORCE_19200_INT_CLK BIT(6) 25/* how the CPU address bus must be translated for I2C unit access */ 26#define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0 27#define OMAP_I2C_FLAG_BUS_SHIFT_1 BIT(7) 28#define OMAP_I2C_FLAG_BUS_SHIFT_2 BIT(8) 29#define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7 30 31struct omap_i2c_bus_platform_data { 32 u32 clkrate; 33 u32 rev; 34 u32 flags; 35 void (*set_mpu_wkup_lat)(struct device *dev, long set); 36}; 37 38#endif 39