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 33 struct 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 41