linux-kernel - Re: [PATCH 1/8] arm64: dts: qcom: sdm845-tama: Add display nodes

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Message-ID: <baf046ab-eda2-e8ee-d87f-8d8340823f60@somainline.org>
Date:   Fri, 30 Sep 2022 22:10:48 +0200
From:   Konrad Dybcio <konrad.dybcio@...ainline.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        ~postmarketos/upstreaming@...ts.sr.ht
Cc:     martin.botka@...ainline.org,
        angelogioacchino.delregno@...ainline.org,
        marijn.suijten@...ainline.org, jamipkettunen@...ainline.org,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/8] arm64: dts: qcom: sdm845-tama: Add display nodes



On 30.09.2022 22:10, Krzysztof Kozlowski wrote:
> On 30/09/2022 21:10, Konrad Dybcio wrote:
>> Add required nodes to support display on XZ2/XZ2c. XZ3 has a
>> different power rail setup and needs to be handled separately.
>>
>> Signed-off-by: Konrad Dybcio <konrad.dybcio@...ainline.org>
>> ---
>>  .../qcom/sdm845-sony-xperia-tama-akari.dts    |  4 +
>>  .../qcom/sdm845-sony-xperia-tama-akatsuki.dts | 44 ++++++++-
>>  .../qcom/sdm845-sony-xperia-tama-apollo.dts   |  6 ++
>>  .../dts/qcom/sdm845-sony-xperia-tama.dtsi     | 96 +++++++++++++++++++
>>  4 files changed, 149 insertions(+), 1 deletion(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akari.dts b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akari.dts
>> index 34f84f1f1eb4..d97b7f1e7140 100644
>> --- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akari.dts
>> +++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akari.dts
>> @@ -11,3 +11,7 @@ / {
>>  	model = "Sony Xperia XZ2";
>>  	compatible = "sony,akari-row", "qcom,sdm845";
>>  };
>> +
>> +&panel {
>> +	compatible = "sony,td4353-jdi-tama";
> 
> git grep suggests it is not documented. Is it coming via different patchset?
As mentioned in the cover letter, yes.

> 
>> +};
>> diff --git a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts
>> index 2f5e12deaada..2a16305ac5da 100644
>> --- a/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts
>> +++ b/arch/arm64/boot/dts/qcom/sdm845-sony-xperia-tama-akatsuki.dts
>> @@ -10,9 +10,51 @@
>>  / {
>>  	model = "Sony Xperia XZ3";
>>  	compatible = "sony,akatsuki-row", "qcom,sdm845";
>> +
>> +	/* Fixed DCDC for the OLED panel */
>> +	ts_vddio_supply: ts-vddio-regulator {
>> +		compatible = "regulator-fixed";
>> +		regulator-name = "ts_vddio";
>> +
>> +		regulator-min-microvolt = <1840000>;
>> +		regulator-max-microvolt = <1840000>;
>> +
>> +		gpio = <&tlmm 133 GPIO_ACTIVE_HIGH>;
>> +		enable-active-high;
>> +		regulator-boot-on;
>> +	};
>> +};
>> +
>> +&ibb {
>> +	status = "disabled";
>> +};
>> +
>> +&lab {
>> +	status = "disabled";
>> +};
>> +
>> +&panel {
>> +	/* Akatsuki uses an OLED panel. */
>> +	/delete-property/ backlight;
>> +	/delete-property/ vsp-supply;
>> +	/delete-property/ vsn-supply;
>> +	/delete-property/ treset-gpios;
>> +};
>> +
>> +&pmi8998_wled {
>> +	status = "disabled";
>> +};
>> +
>> +&tlmm {
>> +	ts_vddio_en: ts-vddio-en {
> 
> ts-vddio-en-state
> 
> DT schema is coming:
> https://lore.kernel.org/linux-devicetree/20220930200529.331223-1-krzysztof.kozlowski@linaro.org/T/#t
Right, missed this one. Will fix.

Konrad
> 
>> +		pins = "gpio133";
>> +		function = "gpio";
>> +		drive-strength = <2>;
>> +		bias-disable;
>> +		output-high;
>> +	};
> 
> Best regards,
> Krzysztof
>