[PATCH v4 19/19] arm64: dts: qcom: sdm845: Add minidump SRAM config to SCM node

[Mukesh Ojha]

Point the SCM node at the minidump config slot in the always-on SRAM.
Boot firmware reads this word before DDR is initialised on a warm reset
to decide where to deliver the minidump.

Signed-off-by: Mukesh Ojha <mukesh.ojha@xxxxxxxxxxxxxxxx>
---
 arch/arm64/boot/dts/qcom/sdm845.dtsi | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index 4ae8627d6dbc..2179988dbaaf 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -363,6 +363,7 @@ cluster_sleep_0: cluster-sleep-0 {
 	firmware {
 		scm {
 			compatible = "qcom,scm-sdm845", "qcom,scm";
+			sram = <&minidump_config>;
 		};
 	};
 
@@ -5192,6 +5193,10 @@ sram@14680000 {
 
 			ranges = <0 0 0x14680000 0x40000>;
 
+			minidump_config: minidump-sram@1c {
+				reg = <0x1c 0x4>;
+			};
+
 			ipa_modem_tables: modem-tables@3d000 {
 				reg = <0x3d000 0x2000>;
 			};
-- 
2.53.0