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author | Arnd Bergmann <arnd@arndb.de> | 2011-07-11 23:53:01 +0200 |
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committer | Arnd Bergmann <arnd@arndb.de> | 2011-07-11 23:53:01 +0200 |
commit | c2fda22207e2977d0b80eac58a9004b6f8beed6d (patch) | |
tree | 0c82957b9d6fb53aafe0f9a9d54de6015484e3e6 /include | |
parent | fdcc205fb9ba006bcd37f72e1b1b904704257351 (diff) | |
parent | e4609747a33b903c03346eea20d811fafd462269 (diff) |
Merge branch 'fixes-part-2' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap-2.6 into omap/fixes
Diffstat (limited to 'include')
-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 7472449cbb7..0aa0cbd676f 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); |