i2c-omap.h
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#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_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