On Mon, Jun 19, 2023 at 8:16 AM Konrad Dybcio <konrad.dybcio@xxxxxxxxxx> wrote:
>
> On 17.06.2023 19:15, Krzysztof Kozlowski wrote:
> > Panel bindings (boe,nv133fhm-n61) require supply which here actually can
> > be turned on/off via GPIO control:
> >
> > sdm850-lenovo-yoga-c630.dtb: panel: 'power-supply' is a required property
> >
> > Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
> >
> > ---
> >
> > Not tested on hardware
> > ---
> +Steev
>
> Konrad
> > .../boot/dts/qcom/sdm850-lenovo-yoga-c630.dts | 20 +++++++++++++++++++
> > 1 file changed, 20 insertions(+)
> >
> > diff --git a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> > index cfbc4fc1eba9..3d871567cf81 100644
> > --- a/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> > +++ b/arch/arm64/boot/dts/qcom/sdm850-lenovo-yoga-c630.dts
> > @@ -87,6 +87,25 @@ sn65dsi86_refclk: sn65dsi86-refclk {
> > clock-frequency = <19200000>;
> > };
> >
> > + vph_pwr: regulator-vph-pwr {
> > + compatible = "regulator-fixed";
> > + regulator-name = "vph_pwr";
> > + regulator-min-microvolt = <3700000>;
> > + regulator-max-microvolt = <3700000>;
> > + };
> > +
> > + vlcm_3v3: regulator-vlcm-3v3 {
> > + compatible = "regulator-fixed";
> > + regulator-name = "vlcm_3v3";
> > +
> > + vin-supply = <&vph_pwr>;
> > + regulator-min-microvolt = <3300000>;
> > + regulator-max-microvolt = <3300000>;
> > +
> > + gpio = <&tlmm 88 GPIO_ACTIVE_HIGH>;
> > + enable-active-high;
> > + };
> > +
> > backlight: backlight {
> > compatible = "pwm-backlight";
> > pwms = <&sn65dsi86 1000000>;
> > @@ -419,6 +438,7 @@ aux-bus {
> > panel: panel {
> > compatible = "boe,nv133fhm-n61";
> > backlight = <&backlight>;
> > + power-supply = <&vlcm_3v3>;
> >
> > port {
> > panel_in_edp: endpoint {
I've tested this on my c630, which does have the nv133fhm-n61,
however... the c630 has 2 different LCD panels available, and I do not
have a c630 which has the other panel (anymore). I reached out on IRC
to the person who has it, but have not yet heard back.
-- steev
