| #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; |
| void (*set_mpu_wkup_lat)(struct device *dev, long set); |
| int (*device_enable) (struct platform_device *pdev); |
| int (*device_shutdown) (struct platform_device *pdev); |
| int (*device_idle) (struct platform_device *pdev); |
| }; |
| |
| #endif |