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

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Message-Id: <20260123120016.3671812-2-varadarajan.narayanan@oss.qualcomm.com>
Date: Fri, 23 Jan 2026 17:30:13 +0530
From: Varadarajan Narayanan <varadarajan.narayanan@....qualcomm.com>
To: 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
Cc: Varadarajan Narayanan <varadarajan.narayanan@....qualcomm.com>
Subject: [PATCH v2 1/4] arm64: dts: qcom: ipq9574: Add gpio details for eMMC

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 {
+		clk-pins {
+			pins = "gpio5";
+			function = "sdc_clk";
+			drive-strength = <8>;
+			bias-disable;
+		};
+
+		cmd-pins {
+			pins = "gpio4";
+			function = "sdc_cmd";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		data-pins {
+			pins = "gpio0", "gpio1", "gpio2",
+			       "gpio3", "gpio6", "gpio7",
+			       "gpio8", "gpio9";
+			function = "sdc_data";
+			drive-strength = <8>;
+			bias-pull-up;
+		};
+
+		rclk-pins {
+			pins = "gpio10";
+			function = "sdc_rclk";
+			drive-strength = <8>;
+			bias-pull-down;
+		};
+	};
 };
 
 &qpic_bam {
-- 
2.34.1