diff options
Diffstat (limited to 'include/asm-arm/arch-omap24xx/i2c.h')
| -rw-r--r-- | include/asm-arm/arch-omap24xx/i2c.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/include/asm-arm/arch-omap24xx/i2c.h b/include/asm-arm/arch-omap24xx/i2c.h index 7248950..44db7a2 100644 --- a/include/asm-arm/arch-omap24xx/i2c.h +++ b/include/asm-arm/arch-omap24xx/i2c.h @@ -104,4 +104,48 @@ #define I2C_SYSTEST_SDA_I (1 << 1) /* SDA line sense input value */ #define I2C_SYSTEST_SDA_O (1 << 0) /* SDA line drive output value */ +/* These values were copied from omap3, include/asm-arm/arch-omap3/i2c.h. */ +#define OMAP_I2C_STANDARD 100000 +#define OMAP_I2C_FAST_MODE 400000 +#define OMAP_I2C_HIGH_SPEED 3400000 + +#define SYSTEM_CLOCK_12 12000000 +#define SYSTEM_CLOCK_13 13000000 +#define SYSTEM_CLOCK_192 19200000 +#define SYSTEM_CLOCK_96 96000000 + +#ifndef I2C_IP_CLK +#define I2C_IP_CLK SYSTEM_CLOCK_96 +#endif + +#ifndef I2C_INTERNAL_SAMPLING_CLK +#define I2C_INTERNAL_SAMPLING_CLK 19200000 +#endif + +/* These are the trim values for standard and fast speed */ +#ifndef I2C_FASTSPEED_SCLL_TRIM +#define I2C_FASTSPEED_SCLL_TRIM 6 +#endif +#ifndef I2C_FASTSPEED_SCLH_TRIM +#define I2C_FASTSPEED_SCLH_TRIM 6 +#endif + +/* These are the trim values for high speed */ +#ifndef I2C_HIGHSPEED_PHASE_ONE_SCLL_TRIM +#define I2C_HIGHSPEED_PHASE_ONE_SCLL_TRIM I2C_FASTSPEED_SCLL_TRIM +#endif +#ifndef I2C_HIGHSPEED_PHASE_ONE_SCLH_TRIM +#define I2C_HIGHSPEED_PHASE_ONE_SCLH_TRIM I2C_FASTSPEED_SCLH_TRIM +#endif +#ifndef I2C_HIGHSPEED_PHASE_TWO_SCLL_TRIM +#define I2C_HIGHSPEED_PHASE_TWO_SCLL_TRIM I2C_FASTSPEED_SCLL_TRIM +#endif +#ifndef I2C_HIGHSPEED_PHASE_TWO_SCLH_TRIM +#define I2C_HIGHSPEED_PHASE_TWO_SCLH_TRIM I2C_FASTSPEED_SCLH_TRIM +#endif + +#define I2C_PSC_MAX 0x0f +#define I2C_PSC_MIN 0x00 + + #endif |