linux-kernel - [PATCH v9 8/8] arm64: dts: qcom: Enable Q6v5 WCSS for ipq8074 SoC

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Message-ID: <20240621114659.2958170-9-quic_gokulsri@quicinc.com>
Date: Fri, 21 Jun 2024 17:16:59 +0530
From: Gokul Sriram Palanisamy <quic_gokulsri@...cinc.com>
To: <sboyd@...nel.org>, <andersson@...nel.org>, <bjorn.andersson@...aro.org>,
        <david.brown@...aro.org>, <devicetree@...r.kernel.org>,
        <jassisinghbrar@...il.com>, <linux-arm-msm@...r.kernel.org>,
        <linux-clk@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-remoteproc@...r.kernel.org>, <mark.rutland@....com>,
        <mturquette@...libre.com>, <ohad@...ery.com>, <robh@...nel.org>,
        <sricharan@...eaurora.org>
CC: <gokulsri@...eaurora.org>
Subject: [PATCH v9 8/8] arm64: dts: qcom: Enable Q6v5 WCSS for ipq8074 SoC

Enable remoteproc WCSS PIL driver with glink. Also,
configure shared memory and enables smp2p required for IPC.

Signed-off-by: Nikhil Prakash V <quic_nprakash@...cinc.com>
Signed-off-by: Sricharan R <quic_srichara@...cinc.com>
Signed-off-by: Gokul Sriram Palanisamy <quic_gokulsri@...cinc.com>
---
 arch/arm64/boot/dts/qcom/ipq8074.dtsi | 80 +++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/ipq8074.dtsi b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
index 92682d3c9478..b98766cce0d6 100644
--- a/arch/arm64/boot/dts/qcom/ipq8074.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq8074.dtsi
@@ -108,6 +108,12 @@ memory@...00000 {
 			reg = <0x0 0x4ac00000 0x0 0x400000>;
 			no-map;
 		};
+
+		q6_region: memory@...00000 {
+			no-map;
+			reg = <0x0 0x4b000000 0x0 0x5f00000>;
+		};
+
 	};
 
 	firmware {
@@ -117,6 +123,30 @@ scm {
 		};
 	};
 
+	wcss: smp2p-wcss {
+		compatible = "qcom,smp2p";
+		qcom,smem = <435>, <428>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <GIC_SPI 322 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 {
 		#address-cells = <1>;
 		#size-cells = <1>;
@@ -824,6 +854,56 @@ frame@...8000 {
 			};
 		};
 
+		q6v5_wcss: remoteproc@...0000 {
+			compatible = "qcom,ipq8074-wcss-pil";
+			reg = <0x0cd00000 0x4040>,
+			      <0x004ab000 0x20>;
+			reg-names = "qdsp6",
+				    "rmb";
+			qca,auto-restart;
+			qca,extended-intc;
+			interrupts-extended = <&intc 0 325 1>,
+					      <&wcss_smp2p_in 0 0>,
+					      <&wcss_smp2p_in 1 0>,
+					      <&wcss_smp2p_in 2 0>,
+					      <&wcss_smp2p_in 3 0>;
+			interrupt-names = "wdog",
+					  "fatal",
+					  "ready",
+					  "handover",
+					  "stop-ack";
+
+			resets = <&gcc GCC_WCSSAON_RESET>,
+				 <&gcc GCC_WCSS_BCR>,
+				 <&gcc GCC_WCSS_Q6_BCR>;
+
+			reset-names = "wcss_aon_reset",
+				      "wcss_reset",
+				      "wcss_q6_reset";
+
+			clocks = <&gcc GCC_PRNG_AHB_CLK>;
+			clock-names = "prng";
+
+			qcom,halt-regs = <&tcsr 0xa000 0xd000 0xe000>;
+
+			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 321 IRQ_TYPE_EDGE_RISING>;
+				qcom,remote-pid = <1>;
+				mboxes = <&apcs_glb 8>;
+
+				rpm_requests {
+					qcom,glink-channels = "rpm_requests";
+				};
+			};
+		};
+
 		pcie1: pcie@...00000 {
 			compatible = "qcom,pcie-ipq8074";
 			reg = <0x10000000 0xf1d>,
-- 
2.34.1