#ifndef __I2C_OMAP_H__ #define __I2C_OMAP_H__ #include <linux/platform_device.h> /* * Version 2 of the I2C peripheral unit has a different register * layout and extra registers. The ID register in the V2 peripheral * unit on the OMAP4430 reports the same ID as the V1 peripheral * unit on the OMAP3530, so we must inform the driver which IP * version we know it is running on from platform / cpu-specific * code using these constants in the hwmod class definition. */ #define OMAP_I2C_IP_VERSION_1 1 #define OMAP_I2C_IP_VERSION_2 2 /* struct omap_i2c_bus_platform_data .flags meanings */ #define OMAP_I2C_FLAG_NO_FIFO BIT(0) #define OMAP_I2C_FLAG_SIMPLE_CLOCK BIT(1) #define OMAP_I2C_FLAG_16BIT_DATA_REG BIT(2) #define OMAP_I2C_FLAG_RESET_REGS_POSTIDLE BIT(3) #define OMAP_I2C_FLAG_APPLY_ERRATA_I207 BIT(4) #define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK BIT(5) #define OMAP_I2C_FLAG_FORCE_19200_INT_CLK BIT(6) /* how the CPU address bus must be translated for I2C unit access */ #define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0 #define OMAP_I2C_FLAG_BUS_SHIFT_1 BIT(7) #define OMAP_I2C_FLAG_BUS_SHIFT_2 BIT(8) #define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7 struct omap_i2c_bus_platform_data { u32 clkrate; u32 rev; u32 flags; void (*set_mpu_wkup_lat)(struct device *dev, long set); }; #endif