From 9b2406aaba7841863ac041225316c1ec1c86ea36 Mon Sep 17 00:00:00 2001
From: Vignesh Viswanathan <quic_viswanat@quicinc.com>
Date: Fri, 26 May 2023 16:36:52 +0530
Subject: [PATCH] arm64: dts: qcom: enable the download mode support

Like any other Qualcomm SoCs, IPQ8074 and IPQ6018 also supports the
download mode to collect the RAM dumps if system crashes, to perform
the post mortem analysis. Add support for the same.

Signed-off-by: Vignesh Viswanathan <quic_viswanat@quicinc.com>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230526110653.27777-3-quic_viswanat@quicinc.com
---
 arch/arm64/boot/dts/qcom/ipq6018.dtsi | 1 +
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 6 ++++++
 2 files changed, 7 insertions(+)

--- a/arch/arm64/boot/dts/qcom/ipq6018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq6018.dtsi
@@ -90,6 +90,7 @@
 	firmware {
 		scm {
 			compatible = "qcom,scm-ipq6018", "qcom,scm";
+			qcom,dload-mode = <&tcsr 0x6100>;
 		};
 	};
 
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -112,6 +112,7 @@
 	firmware {
 		scm {
 			compatible = "qcom,scm-ipq8074", "qcom,scm";
+			qcom,dload-mode = <&tcsr 0x6100>;
 		};
 	};
 
@@ -386,6 +387,11 @@
 			#hwlock-cells = <1>;
 		};
 
+		tcsr: syscon@1937000 {
+			compatible = "qcom,tcsr-ipq8074", "syscon";
+			reg = <0x01937000 0x21000>;
+		};
+
 		spmi_bus: spmi@200f000 {
 			compatible = "qcom,spmi-pmic-arb";
 			reg = <0x0200f000 0x001000>,
