Add initial support for the IPQ5424 MMC based RDP platforms.
Define memory layout statically.
Signed-off-by: Varadarajan Narayanan <quic_var...@quicinc.com>
---
arch/arm/dts/ipq5424-rdp466-u-boot.dtsi | 37 +++++++++++++++++++++++++
1 file changed, 37 insertions(+)
create mode 100644 arch/arm/dts/ipq5424-rdp466-u-boot.dtsi
diff --git a/arch/arm/dts/ipq5424-rdp466-u-boot.dtsi
b/arch/arm/dts/ipq5424-rdp466-u-boot.dtsi
new file mode 100644
index 0000000000..9e4af4d9f7
--- /dev/null
+++ b/arch/arm/dts/ipq5424-rdp466-u-boot.dtsi
@@ -0,0 +1,37 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * IPQ5424 RDP466 board device tree source
+ *
+ * Copyright (c) 2025 The Linux Foundation. All rights reserved.
+ */
+
+/ {
+ /* Will be removed when SMEM parsing is updated */
+ memory@80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x0 0x20000000>;
+ };
+
+};
+
+ &sdhc {
+ sdhci-caps-mask = <0x0 0x04000000>;
+ sdhci-caps = <0x0 0x04000000>; /* SDHCI_CAN_VDD_180 */
+ mmc-ddr-1_8v;
+ mmc-hs200-1_8v;
+ max-frequency = <192000000>;
+ bus-width = <4>;
+ pinctrl-0 = <&sdc_default_state>;
+ pinctrl-names = "default";
+ non-removable;
+
+ /*
+ * This reset is needed to clear out the settings done by
+ * previous boot loader. Without this the SDHCI_RESET_ALL
+ * reset done sdhci_init() times out.
+ */
+ resets = <&gcc GCC_SDCC_BCR>;
+
+ status = "okay";
+ };
+
--
2.34.1
