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1 | #ifndef __I2C_OMAP_H__ |
2 | #define __I2C_OMAP_H__ |
3 | |
4 | #include <linux/platform_device.h> |
5 | |
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 | |
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) |
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 | |
31 | struct omap_i2c_bus_platform_data { |
32 | u32 clkrate; |
33 | u32 rev; |
34 | u32 flags; |
35 | void (*set_mpu_wkup_lat)(struct device *dev, long set); |
36 | }; |
37 | |
38 | #endif |
39 |
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od-2011-09-04
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v2.6.34-rc5
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