Re: [RFT PATCH] arm64: dts: qcom: sdm850-c630: add missing panel supply

From: Konrad Dybcio
Date: Mon Jun 26 2023 - 05:47:56 EST


On 24.06.2023 16:56, Caleb Connolly wrote:
>
>
> On 17/06/2023 17:15, 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>
>
> I've been running an equivalent patch for a while, so
>
> Tested-by: Caleb Connolly <caleb.connolly@xxxxxxxxxx>
>
> The dsi bridge vcc and vcca supplies are also missing, they're powered
> from vreg_l2a_1p2 and controlled by pm8998_gpio 9.
Mind submitting an incremental patch?

Konrad
>>
>> ---
>>
>> Not tested on hardware
>> ---
>> .../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 {
>