linux-kernel - [PATCH v6 7/8] arm64: dts: qcom: ipq5424: add nodes to bring up q6

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Message-Id: <20251208-ipq5018-wifi-v6-7-d0ce2facaa5f@outlook.com>
Date: Mon, 08 Dec 2025 16:25:39 +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, 
 Gokul Sriram Palanisamy <gokul.sriram.p@....qualcomm.com>, 
 George Moussalem <george.moussalem@...look.com>
Subject: [PATCH v6 7/8] arm64: dts: qcom: ipq5424: add nodes to bring up q6

From: Gokul Sriram Palanisamy <gokul.sriram.p@....qualcomm.com>

Enable nodes required for q6 remoteproc bring up.

Signed-off-by: Gokul Sriram Palanisamy <gokul.sriram.p@....qualcomm.com>
Signed-off-by: George Moussalem <george.moussalem@...look.com>
---
 arch/arm64/boot/dts/qcom/ipq5424.dtsi | 68 +++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq5424.dtsi b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
index eb393f3fd728f0b2fc8cd93c849f8c170d76e312..c73a7a1bf397887befd384344394e30f05c372f2 100644
--- a/arch/arm64/boot/dts/qcom/ipq5424.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5424.dtsi
@@ -222,6 +222,11 @@ tfa@...32000 {
 			no-map;
 			status = "disabled";
 		};
+
+		q6_region: wcss@...00000 {
+			reg = <0x0 0x8a900000 0x0 0x2800000>;
+			no-map;
+		};
 	};
 
 	soc@0 {
@@ -752,6 +757,37 @@ dwc_0: usb@...0000 {
 			};
 		};
 
+		q6v5_wcss: remoteproc@...0000 {
+			compatible = "qcom,ipq5424-wcss-sec-pil";
+			reg = <0 0x0d100000 0 0x4040>;
+			firmware-name = "ath12k/IPQ5424/hw1.0/q6_fw0.mbn";
+			interrupts-extended = <&intc GIC_SPI 508 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_wcss_in 0 0>,
+					      <&smp2p_wcss_in 1 0>,
+					      <&smp2p_wcss_in 2 0>,
+					      <&smp2p_wcss_in 3 0>;
+			interrupt-names = "wdog",
+					  "fatal",
+					  "ready",
+					  "handover",
+					  "stop-ack";
+
+			mboxes = <&tmel_qmp 0>;
+			qcom,smem-states = <&smp2p_wcss_out 1>,
+					   <&smp2p_wcss_out 0>;
+			qcom,smem-state-names = "stop",
+						"shutdown";
+
+			memory-region = <&q6_region>;
+
+			glink-edge {
+				interrupts = <GIC_SPI 500 IRQ_TYPE_EDGE_RISING>;
+				label = "rtr";
+				qcom,remote-pid = <1>;
+				mboxes = <&apcs_glb 8>;
+			};
+		};
+
 		timer@...0000 {
 			compatible = "arm,armv7-timer-mem";
 			reg = <0 0xf420000 0 0x1000>;
@@ -811,6 +847,14 @@ frame@...d000 {
 			};
 		};
 
+		apcs_glb: mailbox@...0000 {
+			compatible = "qcom,ipq5424-apcs-apps-global",
+				     "qcom,ipq6018-apcs-apps-global";
+			reg = <0 0x0f400000 0 0x10000>;
+			#clock-cells = <1>;
+			#mbox-cells = <1>;
+		};
+
 		apss_clk: clock-controller@...0000 {
 			compatible = "qcom,ipq5424-apss-clk";
 			reg = <0x0 0x0fa80000 0x0 0x20000>;
@@ -1426,4 +1470,28 @@ timer {
 			     <GIC_PPI 10 IRQ_TYPE_LEVEL_LOW>,
 			     <GIC_PPI 12 IRQ_TYPE_LEVEL_LOW>;
 	};
+
+	wcss: smp2p-wcss {
+		compatible = "qcom,smp2p";
+		qcom,smem = <435>, <428>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <GIC_SPI 501 IRQ_TYPE_EDGE_RISING>;
+
+		mboxes = <&apcs_glb 9>;
+
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <1>;
+
+		smp2p_wcss_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		smp2p_wcss_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
 };

-- 
2.52.0