linux-kernel - [PATCH v6 6/8] arm64: dts: qcom: ipq5332: add nodes to bring up q6

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Message-Id: <20251208-ipq5018-wifi-v6-6-d0ce2facaa5f@outlook.com>
Date: Mon, 08 Dec 2025 16:25:38 +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 6/8] arm64: dts: qcom: ipq5332: add nodes to bring up q6

From: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>

Enable nodes required for q6 remoteproc bring up.

Signed-off-by: Manikanta Mylavarapu <quic_mmanikan@...cinc.com>
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/ipq5332.dtsi | 64 ++++++++++++++++++++++++++++++++++-
 1 file changed, 63 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
index 45fc512a3bab221c0d99f819294abf63369987da..6bc60285d9458f04c67222112b82faa56fbdeb11 100644
--- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
@@ -2,7 +2,7 @@
 /*
  * IPQ5332 device tree source
  *
- * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved.
  */
 
 #include <dt-bindings/clock/qcom,apss-ipq.h>
@@ -146,6 +146,11 @@ smem@...00000 {
 
 			hwlocks = <&tcsr_mutex 3>;
 		};
+
+		q6_region: wcss@...00000 {
+			reg = <0x0 0x4a900000 0x0 0x2b00000>;
+			no-map;
+		};
 	};
 
 	soc@0 {
@@ -586,6 +591,39 @@ frame@...8000 {
 			};
 		};
 
+		q6v5_wcss: remoteproc@...0000 {
+			compatible = "qcom,ipq5332-wcss-sec-pil";
+			reg = <0x0d100000 0x10000>;
+			firmware-name = "ath12k/IPQ5332/hw1.0/q6_fw0.mbn";
+			interrupts-extended = <&intc GIC_SPI 421 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_wcss_in 0 IRQ_TYPE_NONE>,
+					      <&smp2p_wcss_in 1 IRQ_TYPE_NONE>,
+					      <&smp2p_wcss_in 2 IRQ_TYPE_NONE>,
+					      <&smp2p_wcss_in 3 IRQ_TYPE_NONE>;
+			interrupt-names = "wdog",
+					  "fatal",
+					  "ready",
+					  "handover",
+					  "stop-ack";
+
+			clocks = <&gcc GCC_IM_SLEEP_CLK>;
+			clock-names = "sleep";
+
+			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 417 IRQ_TYPE_EDGE_RISING>;
+				label = "rtr";
+				qcom,remote-pid = <1>;
+				mboxes = <&apcs_glb 8>;
+			};
+		};
+
 		pcie1: pcie@...00000 {
 			compatible = "qcom,pcie-ipq5332", "qcom,pcie-ipq9574";
 			reg = <0x18000000 0xf1c>,
@@ -871,4 +909,28 @@ 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 418 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