From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Date: Thu, 5 Mar 2026 10:55:46 +0000 (+0100)
Subject: arm64: dts: qcom: sm8650: Explicitly describe the IPA IMEM slice
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=581fc5d5ade68c0c43c432cbfdf244f3877ef1e5;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: sm8650: Explicitly describe the IPA IMEM slice

As part of stepping away from crazy hardcoding in the driver, move
define the slice explicitly and pass it to the IPA node.

Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Signed-off-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260305-topic-ipa_mem_dts-v2-7-5cb5b90902bf@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sm8650.dtsi b/arch/arm64/boot/dts/qcom/sm8650.dtsi
index 7ade6de03bad..1604bc8cff37 100644
--- a/arch/arm64/boot/dts/qcom/sm8650.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8650.dtsi
@@ -4393,6 +4393,8 @@
 			qcom,smem-state-names = "ipa-clock-enabled-valid",
 						"ipa-clock-enabled";
 
+			sram = <&ipa_modem_tables>;
+
 			status = "disabled";
 		};
 
@@ -7076,6 +7078,20 @@
 			};
 		};
 
+		sram@14680000 {
+			compatible = "qcom,sm8650-imem", "syscon", "simple-mfd";
+			reg = <0 0x14680000 0 0x2c000>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ranges = <0 0 0x14680000 0x2c000>;
+
+			ipa_modem_tables: modem-tables@8000 {
+				reg = <0x8000 0x2000>;
+			};
+		};
+
 		apps_smmu: iommu@15000000 {
 			compatible = "qcom,sm8650-smmu-500", "qcom,smmu-500", "arm,mmu-500";
 			reg = <0 0x15000000 0 0x100000>;