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author | Takashi Iwai <tiwai@suse.de> | 2011-08-08 14:30:29 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2011-08-08 14:30:29 +0200 |
commit | 0a2d31b62dba9b5b92a38c67c9cc42630513662a (patch) | |
tree | f755d74ec85248de645e10c45ed1a2ed467530f6 /include/linux/i2c-omap.h | |
parent | 8039290a91c5dc4414093c086987a5d7738fe2fd (diff) | |
parent | df944f66784e6d4f2f50739263a4947885d8b6ae (diff) |
Merge branch 'fix/kconfig' into for-linus
Diffstat (limited to 'include/linux/i2c-omap.h')
-rw-r--r-- | include/linux/i2c-omap.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/include/linux/i2c-omap.h b/include/linux/i2c-omap.h index 7472449cbb74..0aa0cbd676f7 100644 --- a/include/linux/i2c-omap.h +++ b/include/linux/i2c-omap.h @@ -3,6 +3,33 @@ #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); |