arm64: dts: qcom: sc7280: Add nodes to boot modem

Add miscellaneous nodes to boot the modem and support post-mortem debug
on SC7280 SoCs.
Signed-off-by: Sibi Sankar <sibis@codeaurora.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/1631886935-14691-9-git-send-email-sibis@codeaurora.org

arch/arm64/boot/dts/qcom/sc7280.dtsi

@@ -1606,6 +1606,11 @@ tcsr_mutex: hwlock@1f40000 {
 			#hwlock-cells = <1>;
 		};
 
+		tcsr: syscon@1fc0000 {
+			compatible = "qcom,sc7280-tcsr", "syscon";
+			reg = <0 0x01fc0000 0 0x30000>;
+		};
+
 		lpasscc: lpasscc@3000000 {
 			compatible = "qcom,sc7280-lpasscc";
 			reg = <0 0x03000000 0 0x40>,
@@ -3361,6 +3366,21 @@ qup_uart15_rx: qup-uart15-rx {
 			};
 		};
 
+		imem@146a5000 {
+			compatible = "qcom,sc7280-imem", "syscon";
+			reg = <0 0x146a5000 0 0x6000>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ranges = <0 0 0x146a5000 0x6000>;
+
+			pil-reloc@594c {
+				compatible = "qcom,pil-reloc-info";
+				reg = <0x594c 0xc8>;
+			};
+		};
+
 		apps_smmu: iommu@15000000 {
 			compatible = "qcom,sc7280-smmu-500", "arm,mmu-500";
 			reg = <0 0x15000000 0 0x100000>;