linux-kernel - [PATCH v3 4/4] arm64: dts: qcom: ipq9574: Enable eMMC variant

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Message-Id: <20260129062825.666457-5-varadarajan.narayanan@oss.qualcomm.com>
Date: Thu, 29 Jan 2026 11:58:25 +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-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org
Cc: sumit.garg@....qualcomm.com, dmitry.baryshkov@....qualcomm.com,
        Varadarajan Narayanan <varadarajan.narayanan@....qualcomm.com>
Subject: [PATCH v3 4/4] arm64: dts: qcom: ipq9574: Enable eMMC variant

RDP433 can have NAND or eMMC based on a board level rework. Since the
same GPIOS are used for both the interfaces, only one of them can be
used. Add a new DTS file to disable NAND and enable eMMC.

Signed-off-by: Varadarajan Narayanan <varadarajan.narayanan@....qualcomm.com>
---
v3: As qpic_nand is disabled in ipq9574-rdp-common.dtsi, no need to disable
    it here. Just enable eMMC.
---
 arch/arm64/boot/dts/qcom/Makefile             |  2 +-
 .../boot/dts/qcom/ipq9574-rdp433-emmc.dts     | 29 +++++++++++++++++++
 2 files changed, 30 insertions(+), 1 deletion(-)
 create mode 100644 arch/arm64/boot/dts/qcom/ipq9574-rdp433-emmc.dts

diff --git a/arch/arm64/boot/dts/qcom/Makefile b/arch/arm64/boot/dts/qcom/Makefile
index 6f34d5ed331c..d5fe12ef4300 100644
--- a/arch/arm64/boot/dts/qcom/Makefile
+++ b/arch/arm64/boot/dts/qcom/Makefile
@@ -26,7 +26,7 @@ dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk01.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk10-c1.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq8074-hk10-c2.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp418.dtb
-dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp433.dtb
+dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp433.dtb ipq9574-rdp433-emmc.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp449.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp453.dtb
 dtb-$(CONFIG_ARCH_QCOM)	+= ipq9574-rdp454.dtb
diff --git a/arch/arm64/boot/dts/qcom/ipq9574-rdp433-emmc.dts b/arch/arm64/boot/dts/qcom/ipq9574-rdp433-emmc.dts
new file mode 100644
index 000000000000..249b8e07db8f
--- /dev/null
+++ b/arch/arm64/boot/dts/qcom/ipq9574-rdp433-emmc.dts
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: BSD-3-Clause-Clear
+/*
+ * IPQ9574 RDP433 (eMMC variant) board device tree source
+ *
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/dts-v1/;
+
+#include "ipq9574-rdp-common.dtsi"
+#include "ipq9574-rdp433-common.dtsi"
+
+/ {
+	model = "Qualcomm Technologies, Inc. IPQ9574/AP-AL02-C7 (eMMC)";
+	compatible = "qcom,ipq9574-ap-al02-c7-emmc", "qcom,ipq9574";
+};
+
+&sdhc_1 {
+	pinctrl-0 = <&sdc_default_state>;
+	pinctrl-names = "default";
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+	mmc-hs400-1_8v;
+	mmc-hs400-enhanced-strobe;
+	max-frequency = <384000000>;
+	bus-width = <8>;
+
+	status = "okay";
+};
-- 
2.34.1