linux-kernel - [PATCH v8 4/6] arm64: dts: qcom: ipq5018: add nodes to bring up q6

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Message-Id: <20251219031010.2919875-5-varadarajan.narayanan@oss.qualcomm.com>
Date: Fri, 19 Dec 2025 08:40:08 +0530
From: Varadarajan Narayanan <varadarajan.narayanan@....qualcomm.com>
To: andersson@...nel.org, mathieu.poirier@...aro.org, robh@...nel.org,
        krzk+dt@...nel.org, conor+dt@...nel.org, konradybcio@...nel.org,
        quic_mmanikan@...cinc.com, linux-arm-msm@...r.kernel.org,
        linux-remoteproc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Cc: George Moussalem <george.moussalem@...look.com>,
        Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>,
        Varadarajan Narayanan <varadarajan.narayanan@....qualcomm.com>
Subject: [PATCH v8 4/6] 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.

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
Signed-off-by: George Moussalem <george.moussalem@...look.com>
[ Change 'qcom,smem-state-names' order to resolve dt-bindings-check error ]
Signed-off-by: Varadarajan Narayanan <varadarajan.narayanan@....qualcomm.com>
---
v8: Swap the order of the items in 'qcom,smem-state-names" to resolve dt-bindings-check error
---
 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 f024b3cba33f..d077f0ed9e46 100644
--- a/arch/arm64/boot/dts/qcom/ipq5018.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5018.dtsi
@@ -158,6 +158,35 @@ tz_region: tz@...00000 {
 			reg = <0x0 0x4ac00000 0x0 0x200000>;
 			no-map;
 		};
+
+		q6_region: wcss@...00000 {
+			no-map;
+			reg = <0x0 0x4b000000 0x0 0x1b00000>;
+		};
+	};
+
+	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>;
+		};
 	};
 
 	soc: soc@0 {
@@ -717,6 +746,41 @@ 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 1>,
+					   <&wcss_smp2p_out 0>;
+			qcom,smem-state-names = "stop",
+						"shutdown";
+
+			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>,
-- 
2.34.1