On Mon, Dec 30, 2024 at 10:53 PM Konrad Dybcio <konrad.dybcio@xxxxxxxxxxxxxxxx> wrote:
> On 27.12.2024 6:13 PM, Pengyu Luo wrote:
> > The Embedded Controller in the Huawei Matebook E Go (s8280xp)
> > is accessible on &i2c15 and provides battery and adapter status,
> > port orientation status, as well as HPD event notifications for
> > two USB Type-C port, etc.
> >
> > Add the EC to the device tree and describe the relationship among
> > the type-c ports, orientation switches and the QMP combo PHY.
> >
> > Signed-off-by: Pengyu Luo <mitltlatltl@xxxxxxxxx>
> > ---
> > .../boot/dts/qcom/sc8280xp-huawei-gaokun3.dts | 139 ++++++++++++++++++
> > 1 file changed, 139 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts b/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts
> > index 09b95f89e..09ca9a560 100644
> > --- a/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts
> > +++ b/arch/arm64/boot/dts/qcom/sc8280xp-huawei-gaokun3.dts
> > @@ -28,6 +28,7 @@ / {
> >
> > aliases {
> > i2c4 = &i2c4;
> > + i2c15 = &i2c15;
> > serial1 = &uart2;
> > };
> >
> > @@ -216,6 +217,40 @@ map1 {
> > };
> > };
> >
> > + usb0-sbu-mux {
> > + compatible = "pericom,pi3usb102", "gpio-sbu-mux";
> > +
> > + select-gpios = <&tlmm 164 GPIO_ACTIVE_HIGH>;
> > +
> > + pinctrl-names = "default";
> > + pinctrl-0 = <&usb0_sbu_default>;
>
> Please preserve this order:
>
> property-n
> property-names
>
> > +
> > + orientation-switch;
>
> This
>
> > +
> > + port {
> > + usb0_sbu_mux: endpoint {
> > + remote-endpoint = <&ucsi0_sbu>;
>
> And this section have incorrect whitespacing (one tab too many, make
> sure you set your tab width to 8 spaces)
>
> Same for usb1-sbu-mux
>
> [...]
>
> > + i2c15_default: i2c15-default-state {
> > + pins = "gpio36", "gpio37";
> > + function = "qup15";
> > + drive-strength = <2>;
> > + bias-pull-up;
> > + };
> > +
> > mode_pin_active: mode-pin-state {
> > pins = "gpio26";
> > function = "gpio";
> > @@ -1301,6 +1426,20 @@ tx-pins {
> > };
> > };
> >
> > + usb0_sbu_default: usb0-sbu-state {
> > + pins = "gpio164";
> > + function = "gpio";
> > + bias-disable;
> > + drive-strength = <16>;
> > + };
> > +
> > + usb1_sbu_default: usb1-sbu-state {
> > + pins = "gpio47";
> > + function = "gpio";
> > + bias-disable;
> > + drive-strength = <16>;
> > + };
>
> Similarly, please keep drive-strength above bias for consistency
>
> lgtm otherwise
>
Totaly agree, I was in a hurry, I will fix it in v2.
Best wishes,
Pengyu
