I2C on imx8qm - Failed to enable ipg clk

Oliver Graute oliver.graute at gmail.com
Mon Aug 10 09:18:22 CEST 2020


On 05/08/20, Anatolij Gustschin wrote:
> Hi Oliver,
> 
> On Wed, 5 Aug 2020 15:47:07 +0200
> Oliver Graute oliver.graute at gmail.com wrote:
> 
> > Hello,
> > 
> > I try to get my I2C working on imx8qm. But I run into this issue:
> > 
> > => i2c bus  
> > Bus 3:  i2c at 5a830000
> > => i2c dev 3  
> > Setting bus to 3
> > Failed to enable ipg clk
> > Failure changing bus number (-524)
> > 
> > Some idea how to fix that?
> > 
> > I'am using U-Boot 2020.04
> 
> I think the clock driver (in drivers/clk/imx/clk-imx8qm.c) does not
> have support for IMX8QM_I2C*_IPG_CLK clocks yet.

ok, what I have to do to add support for it? just adding
IMX8QM_I2C*_IPG_CLK to the imx8_clk_names[]?

Best Regards,

Oliver


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