Re: [PATCH 1/2] arm64: dts: mt8183: config dsi node

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On Wed, Jan 6, 2021 at 6:47 PM Nicolas Boichat <drinkcat@xxxxxxxxxxxx> wrote:
>
> On Wed, Jan 6, 2021 at 4:46 PM Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx> wrote:
> >
> > Config dsi node for mt8183 kukui. Set panel and ports.
> >
> > Signed-off-by: Hsin-Yi Wang <hsinyi@xxxxxxxxxxxx>
> > ---
> >  .../arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 38 +++++++++++++++++++
> >  1 file changed, 38 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> > index bf2ad1294dd30..4cfb3560e5d11 100644
> > --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> > +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi
> > @@ -249,6 +249,36 @@ &cpu7 {
> >         proc-supply = <&mt6358_vproc11_reg>;
> >  };
> >
> > +&dsi0 {
> > +       status = "okay";
> > +       #address-cells = <1>;
> > +       #size-cells = <0>;
> > +       panel: panel@0 {
> > +               compatible = "boe,tv101wum-nl6";
>
> We're going to have many panels in the kukui family, so I think I'd
> prefer it if you moved the compatible string to krane-sku0 dts: it
> makes it easier to figure out what's different with sku0.

I meant sku176 (since you are adding sku0 with a different panel
compatible later).

>
> Then maybe leave all the other properties in this file, as it seems
> like all MIPI panels use the exact same pin/supplies?
>
> (And add a comment here saying that the compatible needs to be set in
> board dts?)
>
> > +               reg = <0>;
> > +               enable-gpios = <&pio 45 0>;
> > +               pinctrl-names = "default";
> > +               pinctrl-0 = <&panel_pins_default>;
> > +               avdd-supply = <&ppvarn_lcd>;
> > +               avee-supply = <&ppvarp_lcd>;
> > +               pp1800-supply = <&pp1800_lcd>;
> > +               status = "okay";
> > +               port {
> > +                       panel_in: endpoint {
> > +                               remote-endpoint = <&dsi_out>;
> > +                       };
> > +               };
> > +       };
> > +
> > +       ports {
> > +               port {
> > +                       dsi_out: endpoint {
> > +                               remote-endpoint = <&panel_in>;
> > +                       };
> > +               };
> > +       };
> > +};
> > +
> >  &i2c0 {
> >         pinctrl-names = "default";
> >         pinctrl-0 = <&i2c0_pins>;
> > @@ -547,6 +577,14 @@ pins_clk {
> >                 };
> >         };
> >
> > +       panel_pins_default: panel_pins_default {
> > +               panel_reset {
> > +                       pinmux = <PINMUX_GPIO45__FUNC_GPIO45>;
> > +                       output-low;
> > +                       bias-pull-up;
> > +               };
> > +       };
> > +
> >         pwm0_pin_default: pwm0_pin_default {
> >                 pins1 {
> >                         pinmux = <PINMUX_GPIO176__FUNC_GPIO176>;
> > --
> > 2.29.2.729.g45daf8777d-goog
> >



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