[PATCH v2 5/7] arm64: dts: monaco-evk: Add reboot-mode support via PON/SDAM

monaco-pmics.dtsi has no PON/SDAM reboot-reason storage, so
U-Boot can't read the reboot-reason to tell if it should stop in
fastboot instead of booting the kernel.

Signed-off-by: Balaji Selvanathan <[email protected]>
---
 arch/arm/dts/monaco-evk-u-boot.dtsi | 36 ++++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/arch/arm/dts/monaco-evk-u-boot.dtsi b/arch/arm/dts/monaco-evk-u-boot.dtsi
new file mode 100644
index 00000000000..5520d111864
--- /dev/null
+++ b/arch/arm/dts/monaco-evk-u-boot.dtsi
@@ -0,0 +1,36 @@
+// SPDX-License-Identifier: BSD-3-Clause
+/*
+ * Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries.
+ */
+
+/ {
+	reboot-mode {
+		compatible = "nvmem-reboot-mode";
+		nvmem-cells = <&reboot_reason>;
+		nvmem-cell-names = "reboot-mode";
+
+		mode-bootloader = <0x02>;
+		mode-recovery   = <0x01>;
+	};
+};
+
+&pmm8620au_0 {
+	pmm8620au_0_pon: pon@1200 {
+		compatible = "qcom,pmk8350-pon";
+		reg = <0x1200>, <0x800>;
+		reg-names = "hlos", "pbs";
+	};
+
+	pmm8620au_0_sdam_0: nvram@7100 {
+		compatible = "qcom,spmi-sdam";
+		reg = <0x7100>;
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges = <0x0 0x7100 0x100>;
+
+		reboot_reason: reboot-reason@48 {
+			reg = <0x48 0x1>;
+			bits = <1 7>;
+		};
+	};
+};

-- 
2.34.1