From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Date: Thu, 5 Mar 2026 10:55:44 +0000 (+0100)
Subject: arm64: dts: qcom: sm8350: Explicitly describe the IPA IMEM slice
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d168d147d705d41c19958b994404a7e35102107b;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: sm8350: 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: 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-v2-5-5cb5b90902bf@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sm8350.dtsi b/arch/arm64/boot/dts/qcom/sm8350.dtsi
index 28b4b79d2587..6e9109073716 100644
--- a/arch/arm64/boot/dts/qcom/sm8350.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8350.dtsi
@@ -1866,6 +1866,8 @@
 			qcom,smem-state-names = "ipa-clock-enabled-valid",
 						"ipa-clock-enabled";
 
+			sram = <&ipa_modem_tables>;
+
 			status = "disabled";
 		};
 
@@ -3440,6 +3442,20 @@
 			};
 		};
 
+		sram@14680000 {
+			compatible = "qcom,sm8350-imem", "syscon", "simple-mfd";
+			reg = <0 0x14680000 0 0x40000>;
+
+			#address-cells = <1>;
+			#size-cells = <1>;
+
+			ranges = <0 0 0x14680000 0x40000>;
+
+			ipa_modem_tables: modem-tables@3d000 {
+				reg = <0x3d000 0x2000>;
+			};
+		};
+
 		apps_smmu: iommu@15000000 {
 			compatible = "qcom,sm8350-smmu-500", "arm,mmu-500";
 			reg = <0 0x15000000 0 0x100000>;