From: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Date: Thu, 5 Mar 2026 10:55:42 +0000 (+0100)
Subject: arm64: dts: qcom: sdm845: Explicitly describe the IPA IMEM slice
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a418e4f8b79e9096af751c3d1b3a224718d8ad13;p=thirdparty%2Fkernel%2Fstable.git

arm64: dts: qcom: sdm845: 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-v2-3-5cb5b90902bf@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---

diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
index c0f21a745fb0..4ae8627d6dbc 100644
--- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
+++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
@@ -2780,6 +2780,8 @@
 			qcom,smem-state-names = "ipa-clock-enabled-valid",
 						"ipa-clock-enabled";
 
+			sram = <&ipa_modem_tables>;
+
 			status = "disabled";
 		};
 
@@ -5190,6 +5192,10 @@
 
 			ranges = <0 0 0x14680000 0x40000>;
 
+			ipa_modem_tables: modem-tables@3d000 {
+				reg = <0x3d000 0x2000>;
+			};
+
 			pil-reloc@3f94c {
 				compatible = "qcom,pil-reloc-info";
 				reg = <0x3f94c 0xc8>;