On Fri, Nov 07, 2014 at 06:24:21AM +0100, Wolfram Sang wrote: > On Thu, Nov 06, 2014 at 12:52:06PM +0100, Geert Uytterhoeven wrote: > > On sh73a0/kzm9g-legacy, probing of the i2c masters fails with: > > > > i2c-sh_mobile i2c-sh_mobile.0: timing values out of range: L/H=0x208/0x1bf > > sh_mobile: probe of i2c-sh_mobile.0 failed with error -22 > > Yay, so the warning I added found another bug \o/ > > > > > According to the datasheet, the transfer rate is derived from the HP > > clock (which runs at 104 MHz) divided by two. Hence > > i2c_sh_mobile_platform_data.clks_per_count should be set to two. > > > > Now probing succeeds, and i2c works: > > > > i2c-sh_mobile i2c-sh_mobile.0: I2C adapter 0 with bus speed 100000 Hz (L/H=0x104/0xe0) > > > > Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx> > > Reviewed-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> Thanks, I have queued this up. -- 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
