linux-kernel - Re: [PATCH 1/5] ARM: dts: qcom: msm8960: add sdcc3 pinctrl states

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Message-ID: <dce016bb-b12e-4ffe-8042-4e39c29b0e77@oss.qualcomm.com>
Date: Sat, 14 Jun 2025 20:30:44 +0200
From: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
To: Antony Kurniawan Soemardi <linux@...nkusors.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc: linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, Max Shevchenko <wctrl@...ton.me>,
        Rudraksha Gupta <guptarud@...il.com>
Subject: Re: [PATCH 1/5] ARM: dts: qcom: msm8960: add sdcc3 pinctrl states

On 6/13/25 7:50 PM, Antony Kurniawan Soemardi wrote:
> Adds sdcc3-default-state and sdcc3-sleep-state pinctrl states for
> MSM8960. These are required for devices like Sony Xperia SP to ensure
> micro SD card functionality, though they are a no-op on the Samsung
> Galaxy Express.
> 
> Tested-by: Rudraksha Gupta <guptarud@...il.com>
> Signed-off-by: Antony Kurniawan Soemardi <linux@...nkusors.com>
> ---
>  arch/arm/boot/dts/qcom/qcom-msm8960-pins.dtsi      | 38 ++++++++++++++++++++++
>  .../dts/qcom/qcom-msm8960-samsung-expressatt.dts   |  5 +++
>  2 files changed, 43 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/qcom/qcom-msm8960-pins.dtsi b/arch/arm/boot/dts/qcom/qcom-msm8960-pins.dtsi
> index 4fa98277128897a531c54296576a6f15cd6d2a28..77fe5be24b36fbda83ba73034939db10db6ef4c8 100644
> --- a/arch/arm/boot/dts/qcom/qcom-msm8960-pins.dtsi
> +++ b/arch/arm/boot/dts/qcom/qcom-msm8960-pins.dtsi
> @@ -18,4 +18,42 @@ i2c3-pins {
>  			bias-bus-hold;
>  		};
>  	};
> +
> +	sdcc3_default_state: sdcc3-default-state {
> +		clk-pins {
> +			pins = "sdc3_clk";
> +			drive-strength = <8>;
> +			bias-disable;
> +		};
> +
> +		cmd-pins {
> +			pins = "sdc3_cmd";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +		};
> +
> +		data-pins {
> +			pins = "sdc3_data";
> +			drive-strength = <8>;
> +			bias-pull-up;
> +		};
> +	};
> +
> +	sdcc3_sleep_state: sdcc3-sleep-state {
> +		clk-pins {
> +			pins = "sdc3_clk";
> +			drive-strength = <2>;
> +			bias-disable;
> +		};
> +
> +		cmd-pins {
> +			pins = "sdc3_cmd";
> +			drive-strength = <2>;
> +		};
> +
> +		data-pins {
> +			pins = "sdc3_data";
> +			drive-strength = <2>;

Please add bias-pull-up to these two as well, just to be explicit

Konrad