On Mon, 2017-03-27 at 22:12 -0700, Brendan Higgins wrote: > +/* 0x04 : I2CD Clock and AC Timing Control Register #1 */ > +#define ASPEED_I2CD_TIME_SCL_HIGH_SHIFT 16 > +#define ASPEED_I2CD_TIME_SCL_HIGH_MASK GENMASK(19, 16) > +#define ASPEED_I2CD_TIME_SCL_LOW_SHIFT 12 > +#define ASPEED_I2CD_TIME_SCL_LOW_MASK GENMASK(15, 12) > +#define ASPEED_I2CD_TIME_BASE_DIVISOR_MASK GENMASK(3, 0) > +#define ASPEED_I2CD_TIME_SCL_REG_MAX GENMASK(3, 0) > +/* 0x08 : I2CD Clock and AC Timing Control Register #2 */ > +#define ASPEED_NO_TIMEOUT_CTRL 0 Those are slightly different between the 2400 and 2500, allowing slightly more fine grained settings (faster base clock and thus higher numbers in high/low counts). I *think* that using the 2400 values as-is might work ok, at least it does for 100kHz but I would double check. I'll review the rest tomorrow. Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
