RE: Re: [PATCH] dt-bindings: clock: exynosautov9: fix reference to CMU_FSYS1 mmc card clock

From: CHANHO PARK
Date: Sun Nov 06 2022 - 19:04:14 EST


> > Fix reference to CMU_FSYS1 mmc card clock to gout clock instead of dout.
> >
> > This fixes make dtbs_check warning as shown below:
> >
> > arch/arm64/boot/dts/exynos/exynosautov9-sadk.dtb: clock-
> controller@17040000:
> > clock-names:2: 'dout_clkcmu_fsys1_mmc_card' was expected From schema:
> > /home/inbaraj/mainline/linux/Documentation/devicetree/
> > bindings/clock/samsung,exynosautov9-clock.yaml
>
> I don't understand:
> 1. Why bindings are wrong not DTSI?
> 2. What is "gout"? "dout" had a meaning as clock divider output.

"gout" is output of a gate clock, AFAIK.
Unlike any other clocks, the fsys1 mmc top clock does not have a divider. So, it should be "mout -> gout" instead of "mout -> gout -> dout".

>
> >
> > Fixes: 4b6ec8d88623 ("dt-bindings: clock: exynosautov9: add schema for
> > cmu_fsys0/1")
> > Signed-off-by: Inbaraj <inbaraj.e@xxxxxxxxxxx>

Reviewed-by: Chanho Park <chanho61.park@xxxxxxxxxxx>

Best Regards,
Chanho Park