[PATCH v2 19/23] arm64: dts: mt8192: Add i2c aliases

allen-kh.cheng allen-kh.cheng at mediatek.com
Mon Feb 21 05:22:35 PST 2022


On Mon, 2022-02-21 at 12:50 +0800, Chen-Yu Tsai wrote:
> Hi,
> 
> On Fri, Feb 18, 2022 at 5:16 PM Allen-KH Cheng
> <allen-kh.cheng at mediatek.com> wrote:
> > 
> > Add i2c aliases for mt8192 SoC
> > 
> > Signed-off-by: Allen-KH Cheng <allen-kh.cheng at mediatek.com>
> > ---
> >  arch/arm64/boot/dts/mediatek/mt8192.dtsi | 13 +++++++++++++
> >  1 file changed, 13 insertions(+)
> > 
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > index 55bcbf72a366..e3314cdc7c1a 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8192.dtsi
> > @@ -21,6 +21,19 @@
> >         #address-cells = <2>;
> >         #size-cells = <2>;
> > 
> > +       aliases {
> > +               i2c0 = &i2c0;
> > +               i2c1 = &i2c1;
> > +               i2c2 = &i2c2;
> > +               i2c3 = &i2c3;
> > +               i2c4 = &i2c4;
> > +               i2c5 = &i2c5;
> > +               i2c6 = &i2c6;
> > +               i2c7 = &i2c7;
> > +               i2c8 = &i2c8;
> > +               i2c9 = &i2c9;
> 
> AFAIK, maintainers have suggested against [1] having aliases in the
> .dtsi.
> 
> If the numbering isn't an issue, I suggest just dropping it
> altogether.
> If it is, then the aliases should be added at the board level, and
> only
> for the interfaces that are actually enabled.
> 
> ChenYu
> 
> [1] 
> https://urldefense.com/v3/__https://lore.kernel.org/linux-rockchip/CAK8P3a25iYksubCnQb1-e5yj=crEsK37RB9Hn4ZGZMwcVVrG7g@mail.gmail.com/__;!!CTRNKA9wMg0ARbw!xXnhgMJXr_7T7q0dG965vVaZ-J2bDtpVWRouWVk5SjGO2f53HHesM8fhh1srbsWobbPCJrG-mqx6_dVs1Cfs2Njl4w$
>  

Hi ChenYu,

Thanks for suggestion.

I will move this part to board level.

Best regards,
Allen

> 
> > +       };
> > +
> >         clk26m: oscillator0 {
> >                 compatible = "fixed-clock";
> >                 #clock-cells = <0>;
> > --
> > 2.18.0
> > 




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