From 0bcf9ca23a873e5208a32a7e8b908a6002babc8f Mon Sep 17 00:00:00 2001
From: Alexey Klimov <alexey.klimov@linaro.org>
Date: Tue, 9 Dec 2025 07:37:59 +0000
Subject: [PATCH] arm64: dts: qcom: sm8750: add memory node for adsp fastrpc

Add optional memory heap node that can be used for ADSP fastrpc.

Cc: Ekansh Gupta <quic_ekangupt@quicinc.com>
Cc: Srinivas Kandagatla <srini@kernel.org>
Signed-off-by: Alexey Klimov <alexey.klimov@linaro.org>
Link: https://lore.kernel.org/r/20251209-sm8750-fastrpc-adsp-v3-1-ccfff49a8af9@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
---
 arch/arm64/boot/dts/qcom/sm8750.dtsi | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/sm8750.dtsi b/arch/arm64/boot/dts/qcom/sm8750.dtsi
index 51fd1d05503c0..9a3cd8224fae1 100644
--- a/arch/arm64/boot/dts/qcom/sm8750.dtsi
+++ b/arch/arm64/boot/dts/qcom/sm8750.dtsi
@@ -540,6 +540,14 @@
 			reg = <0x0 0xff800000 0x0 0x800000>;
 			no-map;
 		};
+
+		adsp_rpc_remote_heap_mem: adsp-rpc-remote-heap {
+			compatible = "shared-dma-pool";
+			alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
+			alignment = <0x0 0x400000>;
+			size = <0x0 0xc00000>;
+			reusable;
+		};
 	};
 
 	smp2p-adsp {
-- 
2.47.3