linux-kernel - [PATCH v6 5/8] arm64: dts: qcom: ipq5018: add nodes to bring up q6

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Message-Id: <20251208-ipq5018-wifi-v6-5-d0ce2facaa5f@outlook.com>
Date: Mon, 08 Dec 2025 16:25:37 +0400
From: George Moussalem via B4 Relay <devnull+george.moussalem.outlook.com@...nel.org>
To: Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>, 
 Mathieu Poirier <mathieu.poirier@...aro.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, 
 Manikanta Mylavarapu <quic_mmanikan@...cinc.com>, 
 Jassi Brar <jassisinghbrar@...il.com>
Cc: linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org, 
 George Moussalem <george.moussalem@...look.com>
Subject: [PATCH v6 5/8] arm64: dts: qcom: ipq5018: add nodes to bring up q6

From: George Moussalem <george.moussalem@...look.com>

Enable nodes required for q6 remoteproc bring up.

Signed-off-by: George Moussalem <george.moussalem@...look.com>
---
 arch/arm64/boot/dts/qcom/ipq5018.dtsi | 64 +++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq5018.dtsi b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
index f024b3cba33f6100ac3f4d45598ff2356e026dcf..570899711b62bb286780f54db2461ebbc5291340 100644
--- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
@@ -158,6 +158,11 @@ tz_region: tz@...00000 {
 			reg = <0x0 0x4ac00000 0x0 0x200000>;
 			no-map;
 		};
+
+		q6_region: wcss@...00000 {
+			no-map;
+			reg = <0x0 0x4b000000 0x0 0x1b00000>;
+		};
 	};
 
 	soc: soc@0 {
@@ -717,6 +722,41 @@ frame@...8000 {
 			};
 		};
 
+		q6v5_wcss: remoteproc@...0000 {
+			compatible = "qcom,ipq5018-wcss-sec-pil";
+			reg = <0x0cd00000 0x10000>;
+			firmware-name = "ath11k/IPQ5018/hw1.0/q6_fw.mbn";
+			interrupts-extended = <&intc GIC_SPI 291 IRQ_TYPE_EDGE_RISING>,
+					      <&wcss_smp2p_in 0 IRQ_TYPE_NONE>,
+					      <&wcss_smp2p_in 1 IRQ_TYPE_NONE>,
+					      <&wcss_smp2p_in 2 IRQ_TYPE_NONE>,
+					      <&wcss_smp2p_in 3 IRQ_TYPE_NONE>;
+			interrupt-names = "wdog",
+					  "fatal",
+					  "ready",
+					  "handover",
+					  "stop-ack";
+
+			clocks = <&gcc GCC_SLEEP_CLK_SRC>,
+				 <&gcc GCC_SYS_NOC_WCSS_AHB_CLK>;
+			clock-names = "sleep",
+				      "interconnect";
+
+			qcom,smem-states = <&wcss_smp2p_out 0>,
+					   <&wcss_smp2p_out 1>;
+			qcom,smem-state-names = "shutdown",
+						"stop";
+
+			memory-region = <&q6_region>;
+
+			glink-edge {
+				interrupts = <GIC_SPI 179 IRQ_TYPE_EDGE_RISING>;
+				label = "rtr";
+				qcom,remote-pid = <1>;
+				mboxes = <&apcs_glb 8>;
+			};
+		};
+
 		pcie1: pcie@...00000 {
 			compatible = "qcom,pcie-ipq5018";
 			reg = <0x80000000 0xf1d>,
@@ -991,4 +1031,28 @@ timer {
 			     <GIC_PPI 4 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>,
 			     <GIC_PPI 1 (GIC_CPU_MASK_SIMPLE(4) | IRQ_TYPE_LEVEL_LOW)>;
 	};
+
+	wcss: smp2p-wcss {
+		compatible = "qcom,smp2p";
+		qcom,smem = <435>, <428>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <GIC_SPI 177 IRQ_TYPE_EDGE_RISING>;
+
+		mboxes = <&apcs_glb 9>;
+
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <1>;
+
+		wcss_smp2p_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		wcss_smp2p_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
 };

-- 
2.52.0