Re: [PATCH v2 2/3] arm64: allwinner: h6: add I2C nodes

From: Bhushan Shah
Date: Fri Aug 16 2019 - 04:23:18 EST


On Fri, Aug 16, 2019 at 09:50:31AM +0200, Maxime Ripard wrote:
> On Fri, Aug 16, 2019 at 12:17:09PM +0530, Bhushan Shah wrote:
> > Add device-tree nodes for i2c0 to i2c2, and also add relevant pinctrl
> > nodes.
> >
> > Suggested-by: Icenowy Zheng <icenowy@xxxxxxx>
> > Signed-off-by: Bhushan Shah <bshah@xxxxxxx>
> > ---
> > Changes in v2:
> > - Add the SoC specific compatible string instead of re-using a31 one.
> >
> > arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi | 56 +++++++++++++++++++-
> > 1 file changed, 55 insertions(+), 1 deletion(-)
> >
> > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > index bcecca17d61d..a1a329926540 100644
> > --- a/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > +++ b/arch/arm64/boot/dts/allwinner/sun50i-h6.dtsi
> > @@ -329,6 +329,21 @@
> > function = "hdmi";
> > };
> >
> > + i2c0_pins: i2c0-pins {
> > + pins = "PD25", "PD26";
> > + function = "i2c0";
> > + };
> > +
> > + i2c1_pins: i2c1-pins {
> > + pins = "PH5", "PH6";
> > + function = "i2c1";
> > + };
> > +
> > + i2c2_pins: i2c2-pins {
> > + pins = "PD23", "PD24";
> > + function = "i2c2";
> > + };
> > +
> > mmc0_pins: mmc0-pins {
> > pins = "PF0", "PF1", "PF2", "PF3",
> > "PF4", "PF5";
> > @@ -464,6 +479,45 @@
> > status = "disabled";
> > };
> >
> > + i2c0: i2c@5002000 {
> > + compatible = "allwinner,sun50i-h6-i2c";
>
> This isn't going to work if you don't patch the driver to add the
> compatible. And this isn't what you described in the binding patch.

oops, I will correct this in next patch series. Sorry.

>
> Maxime
>
> --
> Maxime Ripard, Bootlin
> Embedded Linux and Kernel engineering
> https://bootlin.com



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Bhushan Shah
http://blog.bshah.in
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