Addy, On Sun, Sep 7, 2014 at 8:38 PM, Addy Ke <addy.ke@xxxxxxxxxxxxxx> wrote: > I2C_CLKDIV register descripted in the previous version of > RK3x chip manual is incorrect. Plus 1 is required. > > The correct formula: > - T(SCL_HIGH) = T(PCLK) * (CLKDIVH + 1) * 8 > - T(SCL_LOW) = T(PCLK) * (CLKDIVL + 1) * 8 > - (SCL Divsor) = 8 * ((CLKDIVL + 1) + (CLKDIVH + 1)) > - SCL = PCLK / (CLK Divsor) > > It will be updated to the latest version of chip manual. > > Signed-off-by: Addy Ke <addy.ke@xxxxxxxxxxxxxx> > --- > changes since v1: > - make it more cleaner, suggested by Doug Anderson > > drivers/i2c/busses/i2c-rk3x.c | 11 +++++------ > 1 file changed, 5 insertions(+), 6 deletions(-) Reviewed-by: Doug Anderson <dianders@xxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
