[PATCH v2 3/4] arm: dts: ipq9650: Add override dtsi
Badhrinath S
badhrinath.s at oss.qualcomm.com
Wed Jun 10 07:36:54 CEST 2026
Add U-Boot specific device tree overrides for IPQ9650 RDP488 board.
This includes memory configuration and SDHCI reset configuration.
Signed-off-by: Badhrinath S <badhrinath.s at oss.qualcomm.com>
---
Changes in v2:
- Fix SPDX license identifier to GPL-2.0-only (reported by Ferass)
arch/arm/dts/ipq9650-rdp488-u-boot.dtsi | 29 +++++++++++++++++++++++++
1 file changed, 29 insertions(+)
create mode 100644 arch/arm/dts/ipq9650-rdp488-u-boot.dtsi
diff --git a/arch/arm/dts/ipq9650-rdp488-u-boot.dtsi b/arch/arm/dts/ipq9650-rdp488-u-boot.dtsi
new file mode 100644
index 000000000000..4733fc7ccd08
--- /dev/null
+++ b/arch/arm/dts/ipq9650-rdp488-u-boot.dtsi
@@ -0,0 +1,29 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * IPQ9650 RDP488 board device tree source
+ *
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/ {
+ /* Will be removed when SMEM parsing is updated */
+ memory at 80000000 {
+ device_type = "memory";
+ reg = <0x0 0x80000000 0x0 0x20000000>;
+ };
+
+};
+
+&sdhc {
+ sdhci-caps-mask = <0x0 0x04000000>;
+ sdhci-caps = <0x0 0x04000000>; /* SDHCI_CAN_VDD_180 */
+
+ /*
+ * 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
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