linux-kernel - Re: [PATCH V2 3/3] arm64: dts: qcom: sc7280: Add UFS nodes for sc7280 IDP board

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Message-ID: <daa73a81-569a-467e-aa28-0e711184331f@linaro.org>
Date:   Tue, 26 Sep 2023 20:32:56 +0200
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Nitin Rawat <quic_nitirawa@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, mani@...nel.org, alim.akhtar@...sung.com,
        bvanassche@....org, avri.altman@....com, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        cros-qcom-dts-watchers@...omium.org
Cc:     linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org
Subject: Re: [PATCH V2 3/3] arm64: dts: qcom: sc7280: Add UFS nodes for sc7280
 IDP board

On 26.09.2023 18:20, Nitin Rawat wrote:
> Add UFS host controller and PHY nodes for sc7280 IDP board.
> 
> Signed-off-by: Nitin Rawat <quic_nitirawa@...cinc.com>
> ---
>  arch/arm64/boot/dts/qcom/sc7280-idp.dtsi | 19 +++++++++++++++++++
>  1 file changed, 19 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> index 2ff549f4dc7a..a0059527d9e4 100644
> --- a/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> +++ b/arch/arm64/boot/dts/qcom/sc7280-idp.dtsi
> @@ -499,6 +499,25 @@
>  	status = "okay";
>  };
> 
> +&ufs_mem_hc {
> +	reset-gpios = <&tlmm 175 GPIO_ACTIVE_LOW>;
> +	vcc-supply = <&vreg_l7b_2p9>;
> +	vcc-max-microamp = <800000>;
> +	vccq-supply = <&vreg_l9b_1p2>;
> +	vccq-max-microamp = <900000>;
> +	vccq2-supply = <&vreg_l9b_1p2>;
> +	vccq2-max-microamp = <900000>;
Can you confirm VCCQ2 is in fact connected, to avoid the mistake
fixed in [1]?

Konrad

[1] https://lore.kernel.org/linux-arm-msm/20230906104744.163479-1-krzysztof.kozlowski@linaro.org/#b