linux-kernel - Re: [PATCH v2 3/5] arm64: dts: qcom: Add PM6125 PMIC

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Date:   Thu, 8 Sep 2022 09:26:26 +0200
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Marijn Suijten <marijn.suijten@...ainline.org>,
        phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...ainline.org>,
        Konrad Dybcio <konrad.dybcio@...ainline.org>,
        Martin Botka <martin.botka@...ainline.org>,
        Jami Kettunen <jami.kettunen@...ainline.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Jonathan Cameron <jic23@...nel.org>,
        Lars-Peter Clausen <lars@...afoo.de>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org
Subject: Re: [PATCH v2 3/5] arm64: dts: qcom: Add PM6125 PMIC

On 07/09/2022 23:27, Marijn Suijten wrote:
> On 2022-08-08 12:17:06, Krzysztof Kozlowski wrote:
>> On 05/08/2022 16:57, Marijn Suijten wrote:
>>> This PMIC is commonly used on boards with an SM6125 SoC and looks very
>>> similar in layout to the PM6150.
>>>
>>> Downstream declares more nodes to be available, but these have been
>>> omitted from this patch: the pwm/lpg block is unused on my reference
>>> device making it impossible to test/validate, and the spmi-clkdiv does
>>> not have a single device-tree binding using this driver yet, hence
>>> inclusion is better postponed until ie. audio which uses these clocks is
>>> brought up.
>>>
>>
>> Thank you for your patch. There is something to discuss/improve.
> 
> I can respin the series with the suggested changes (and the iio patch
> removed as that has now been applied), but note that all other PMIC dtsi
> files as of -next today still carry the "wrong" adc-tm or gpios node
> names.  Are there plans to patch those up too (if not already in a
> series that I missed)?

See below

> 
> - Marijn
> 
>>> +
>>> +			xo-therm@4c {
>>> +				reg = <ADC5_XO_THERM_100K_PU>;
>>> +				qcom,pre-scaling = <1 1>;
>>> +				qcom,hw-settle-time = <200>;
>>> +				qcom,ratiometric;
>>> +			};
>>> +		};
>>> +
>>> +		pm6125_adc_tm: adc-tm@...0 {
>>
>> Generic node names, so either this is adc or thermal-sensor. Looks like
>> thermal-sensor.

My comment was here not correct. The schema indeed expects this to be
adc-tm. I did not plan to change it, so let's keep adc-tm also here.

>>
>>> +			compatible = "qcom,spmi-adc-tm5";
>>> +			reg = <0x3500>;
>>> +			interrupts = <0x0 0x35 0x0 IRQ_TYPE_EDGE_RISING>;
>>> +			#address-cells = <1>;
>>> +			#size-cells = <0>;
>>> +			#thermal-sensor-cells = <1>;
>>> +			status = "disabled";
>>> +		};
>>> +
>>> +		pm6125_rtc: rtc@...0 {
>>> +			compatible = "qcom,pm8941-rtc";
>>> +			reg = <0x6000>, <0x6100>;
>>> +			reg-names = "rtc", "alarm";
>>> +			interrupts = <0x0 0x61 0x1 IRQ_TYPE_EDGE_RISING>;
>>> +			status = "disabled";
>>> +		};
>>> +
>>> +		pm6125_gpio: gpios@...0 {
>>
>> s/gpios/gpio/

Both are allowed by schema, but convention in all other cases is "gpio",
so let's change it. I'll send a patch for other files.

Best regards,
Krzysztof