2010-05-11 12:35:08 -06:00
|
|
|
#ifndef __I2C_OMAP_H__
|
|
|
|
#define __I2C_OMAP_H__
|
|
|
|
|
2010-09-21 08:07:15 -06:00
|
|
|
#include <linux/platform_device.h>
|
|
|
|
|
2011-07-10 05:27:14 -06:00
|
|
|
/*
|
|
|
|
* 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
|
|
|
|
|
2011-07-10 05:27:15 -06:00
|
|
|
/* 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
|
|
|
|
|
2010-05-11 12:35:08 -06:00
|
|
|
struct omap_i2c_bus_platform_data {
|
|
|
|
u32 clkrate;
|
2011-05-30 08:43:05 -06:00
|
|
|
u32 rev;
|
2011-05-30 08:43:08 -06:00
|
|
|
u32 flags;
|
2010-05-11 12:35:08 -06:00
|
|
|
void (*set_mpu_wkup_lat)(struct device *dev, long set);
|
|
|
|
};
|
|
|
|
|
|
|
|
#endif
|