linux-kernel - [PATCH V3 4/4] arm64: dts: qcom: sm8750-qrd: Add SDC2 node for sm8750 qrd board

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Message-Id: <20251026111746.3195861-5-sarthak.garg@oss.qualcomm.com>
Date: Sun, 26 Oct 2025 16:47:46 +0530
From: Sarthak Garg <sarthak.garg@....qualcomm.com>
To: Ulf Hansson <ulf.hansson@...aro.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        quic_nguyenb@...cinc.com, quic_rampraka@...cinc.com,
        quic_pragalla@...cinc.com, quic_sayalil@...cinc.com,
        quic_nitirawa@...cinc.com, quic_bhaskarv@...cinc.com,
        kernel@....qualcomm.com, Sarthak Garg <sarthak.garg@....qualcomm.com>,
        Abel Vesa <abel.vesa@...aro.org>
Subject: [PATCH V3 4/4] arm64: dts: qcom: sm8750-qrd: Add SDC2 node for sm8750 qrd board

Enable SD Card host controller for sm8750 qrd board.

Signed-off-by: Sarthak Garg <sarthak.garg@....qualcomm.com>
Reviewed-by: Abel Vesa <abel.vesa@...aro.org>
---
 arch/arm64/boot/dts/qcom/sm8750-qrd.dts | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8750-qrd.dts b/arch/arm64/boot/dts/qcom/sm8750-qrd.dts
index 13c7b9664c89..c2ab39744a0c 100644
--- a/arch/arm64/boot/dts/qcom/sm8750-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8750-qrd.dts
@@ -1031,6 +1031,29 @@ wcd_default: wcd-reset-n-active-state {
 		bias-disable;
 		output-low;
 	};
+
+	sdc2_card_det_n: sd-card-det-n-state {
+		pins = "gpio55";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+};
+
+&sdhc_2 {
+	cd-gpios = <&tlmm 55 GPIO_ACTIVE_LOW>;
+
+	vmmc-supply = <&vreg_l9b_2p9>;
+	vqmmc-supply = <&vreg_l8b_1p8>;
+
+	no-sdio;
+	no-mmc;
+
+	pinctrl-0 = <&sdc2_default &sdc2_card_det_n>;
+	pinctrl-1 = <&sdc2_sleep &sdc2_card_det_n>;
+	pinctrl-names = "default", "sleep";
+
+	status = "okay";
 };
 
 &uart7 {
-- 
2.34.1