Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <863e04e8-3e14-d8bc-f9b4-8e184b545767@linaro.org>
Date:   Mon, 26 Jun 2023 11:47:47 +0200
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.12.0
Subject: Re: [RFT PATCH] arm64: dts: qcom: sdm850-c630: add missing panel
 supply
Content-Language: en-US
To:     Caleb Connolly <caleb.connolly@linaro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
        Andy Gross <agross@kernel.org>,
        Bjorn Andersson <andersson@kernel.org>,
        Rob Herring <robh+dt@kernel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
        Conor Dooley <conor+dt@kernel.org>,
        linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
        linux-kernel@vger.kernel.org
References: <20230617171512.286795-1-krzysztof.kozlowski@linaro.org>
 <52dbabb2-8cc1-5579-8c83-adcc7a699222@linaro.org>
From:   Konrad Dybcio <konrad.dybcio@linaro.org>
In-Reply-To: <52dbabb2-8cc1-5579-8c83-adcc7a699222@linaro.org>
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 7bit
Precedence: bulk

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@linaro.org>
> 
> I've been running an equivalent patch for a while, so
> 
> Tested-by: Caleb Connolly <caleb.connolly@linaro.org>
> 
> 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 {
>