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20c9d2c4 KJ |
1 | #ifndef __I2C_OMAP_H__ |
2 | #define __I2C_OMAP_H__ | |
3 | ||
4d17aeb1 PW |
4 | #include <linux/platform_device.h> |
5 | ||
d72fe788 AG |
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 | ||
5a9aaf0c AG |
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) | |
5a9aaf0c AG |
23 | #define OMAP_I2C_FLAG_ALWAYS_ARMXOR_CLK BIT(5) |
24 | #define OMAP_I2C_FLAG_FORCE_19200_INT_CLK BIT(6) | |
25 | /* how the CPU address bus must be translated for I2C unit access */ | |
26 | #define OMAP_I2C_FLAG_BUS_SHIFT_NONE 0 | |
27 | #define OMAP_I2C_FLAG_BUS_SHIFT_1 BIT(7) | |
28 | #define OMAP_I2C_FLAG_BUS_SHIFT_2 BIT(8) | |
29 | #define OMAP_I2C_FLAG_BUS_SHIFT__SHIFT 7 | |
30 | ||
20c9d2c4 KJ |
31 | struct omap_i2c_bus_platform_data { |
32 | u32 clkrate; | |
5c825ee2 | 33 | u32 rev; |
c23600a6 | 34 | u32 flags; |
49839dc9 | 35 | void (*set_mpu_wkup_lat)(struct device *dev, long set); |
20c9d2c4 KJ |
36 | }; |
37 | ||
38 | #endif |