linux-kernel - Re: [PATCH v2 1/4] arm64: dts: qcom: ipq9574: Add gpio details for eMMC

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Message-ID: <d33d426c-3208-4ddb-adea-8bd1274d6873@oss.qualcomm.com>
Date: Tue, 27 Jan 2026 14:08:56 +0100
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Varadarajan Narayanan <varadarajan.narayanan@....qualcomm.com>,
        andersson@...nel.org, konradybcio@...nel.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] arm64: dts: qcom: ipq9574: Add gpio details for
 eMMC

On 1/23/26 1:00 PM, Varadarajan Narayanan wrote:
> The RDP433 has NAND and eMMC variants. Presently, only NAND variant is
> supported. To enable support for eMMC variant, add the relevant GPIO
> related information.
> 
> Signed-off-by: Varadarajan Narayanan <varadarajan.narayanan@....qualcomm.com>
> ---
>  .../boot/dts/qcom/ipq9574-rdp-common.dtsi     | 32 +++++++++++++++++++
>  1 file changed, 32 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
> index bdb396afb992..e4ae79b2fcd9 100644
> --- a/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
> +++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp-common.dtsi
> @@ -169,6 +169,38 @@ data-pins {
>  			bias-disable;
>  		};
>  	};
> +
> +	sdc_default_state: sdc-default-state {

This could live in the SoC DTSI, as it describes a generic configuration
referencing a SoC-defined pin function (which is also going to be
probably mimicked in reference-based (almost all) designs)

The config matches what I see in docs

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

Konrad