linux-kernel - [PATCH V5 3/3] arm64: dts: qcom: sm8750-qrd: Add SDC2 node for sm8750 qrd board

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Message-Id: <20251112071234.2570251-4-sarthak.garg@oss.qualcomm.com>
Date: Wed, 12 Nov 2025 12:42:34 +0530
From: Sarthak Garg <sarthak.garg@....qualcomm.com>
To: 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, 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 V5 3/3] 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 b0cb61c5a603..439ffb202599 100644
--- a/arch/arm64/boot/dts/qcom/sm8750-qrd.dts
+++ b/arch/arm64/boot/dts/qcom/sm8750-qrd.dts
@@ -961,6 +961,22 @@ &remoteproc_mpss {
 	status = "okay";
 };
 
+&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";
+};
+
 &swr0 {
 	status = "okay";
 
@@ -1053,6 +1069,13 @@ &tlmm {
 	/* reserved for secure world */
 	gpio-reserved-ranges = <36 4>, <74 1>;
 
+	sdc2_card_det_n: sd-card-det-n-state {
+		pins = "gpio55";
+		function = "gpio";
+		drive-strength = <2>;
+		bias-pull-up;
+	};
+
 	spkr_0_sd_n_active: spkr-0-sd-n-active-state {
 		pins = "gpio76";
 		function = "gpio";
-- 
2.34.1