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| author | Steve Sakoman <steve@sakoman.com> | 2010-07-19 20:31:55 -0700 |
|---|---|---|
| committer | Sandeep Paulraj <s-paulraj@ti.com> | 2010-08-05 10:11:24 -0400 |
| commit | d708395d2f83295fba9d9b18823ce17046793590 (patch) | |
| tree | 55341b83e3c4ed864af43932aa03d6df3308000c /drivers/i2c/omap24xx_i2c.h | |
| parent | 674e0b217f794800048d80de09a71255b890a53e (diff) | |
| download | u-boot-imx-d708395d2f83295fba9d9b18823ce17046793590.zip u-boot-imx-d708395d2f83295fba9d9b18823ce17046793590.tar.gz u-boot-imx-d708395d2f83295fba9d9b18823ce17046793590.tar.bz2 | |
ARMV7: Modify i2c driver for more reliable operation on OMAP4
This patch modifies the init routine to follow the TRM
recommendations. It also modifies the i2c_read_byte function
to reflect subtle differences between the i2c controller in
OMAP3 and OMAP4.
Signed-off-by: Steve Sakoman <steve@sakoman.com>
Acked-by: Nishanth Menon <menon.nishanth@gmail.com>
Acked-by: Heiko Schocher <hs@denx.de>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'drivers/i2c/omap24xx_i2c.h')
| -rw-r--r-- | drivers/i2c/omap24xx_i2c.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/i2c/omap24xx_i2c.h b/drivers/i2c/omap24xx_i2c.h index 92a3416..650e33a 100644 --- a/drivers/i2c/omap24xx_i2c.h +++ b/drivers/i2c/omap24xx_i2c.h @@ -85,6 +85,10 @@ #define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */ #define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */ +/* I2C System Status Register (I2C_SYSS): */ + +#define I2C_SYSS_RDONE (1 << 0) /* Internel reset monitoring */ + #define I2C_SCLL_SCLL 0 #define I2C_SCLL_SCLL_M 0xFF #define I2C_SCLL_HSSCLL 8 |