linux-kernel - Re: [PATCH v2] arm64: dts: x1e80100-crd: describe HID supplies

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Message-ID: <304b909d-bf2d-446c-acc9-e65b94627468@oss.qualcomm.com>
Date: Thu, 31 Oct 2024 22:00:20 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Johan Hovold <johan+linaro@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Abel Vesa <abel.vesa@...aro.org>,
        Stephan Gerhold <stephan.gerhold@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] arm64: dts: x1e80100-crd: describe HID supplies

On 29.10.2024 8:52 AM, Johan Hovold wrote:
> Add the missing HID supplies to avoid relying on other consumers to keep
> them on.
> 
> This also avoids the following warnings on boot:
> 
> 	i2c_hid_of 0-0010: supply vdd not found, using dummy regulator
> 	i2c_hid_of 0-0010: supply vddl not found, using dummy regulator
> 	i2c_hid_of 1-0015: supply vdd not found, using dummy regulator
> 	i2c_hid_of 1-0015: supply vddl not found, using dummy regulator
> 	i2c_hid_of 1-003a: supply vdd not found, using dummy regulator
> 	i2c_hid_of 1-003a: supply vddl not found, using dummy regulator
> 
> Note that VREG_MISC_3P3 is also used for things like the fingerprint
> reader which are not yet fully described so mark the regulator as always
> on for now.
> 
> Fixes: d7e03cce0400 ("arm64: dts: qcom: x1e80100-crd: Enable more support")
> Reviewed-by: Abel Vesa <abel.vesa@...aro.org>
> Signed-off-by: Johan Hovold <johan+linaro@...nel.org>
> ---

[...]

>  
> +	vreg_misc_3p3: regulator-misc-3p3 {
> +		compatible = "regulator-fixed";
> +
> +		regulator-name = "VREG_MISC_3P3";
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +
> +		gpio = <&pm8550ve_8_gpios 6 GPIO_ACTIVE_HIGH>;
> +		enable-active-high;
> +
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&misc_3p3_reg_en>;

property-n
property-names

for consistency, please

Reviewed-by: Konrad Dybcio <konrad.dybcio@....qualcomm.com>

Konrad