linux-kernel - [PATCH 2/3] arm64: dts: MSM8953: Add mpss nodes

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Message-Id: <20230407165345.42800-3-a39.skl@gmail.com>
Date:   Fri,  7 Apr 2023 18:53:43 +0200
From:   Adam Skladowski <a39.skl@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht,
        Adam Skladowski <a39.skl@...il.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH 2/3] arm64: dts: MSM8953: Add mpss nodes

Add nodes for remoteproc, smp2p and smsm to make it possible to use
modem functionality on this platform.

Signed-off-by: Adam Skladowski <a39.skl@...il.com>
---
 arch/arm64/boot/dts/qcom/msm8953.dtsi | 87 +++++++++++++++++++++++++++
 1 file changed, 87 insertions(+)

diff --git a/arch/arm64/boot/dts/qcom/msm8953.dtsi b/arch/arm64/boot/dts/qcom/msm8953.dtsi
index df40584aafcf..257b1946372c 100644
--- a/arch/arm64/boot/dts/qcom/msm8953.dtsi
+++ b/arch/arm64/boot/dts/qcom/msm8953.dtsi
@@ -326,6 +326,31 @@ rpmpd_opp_turbo: opp9 {
 		};
 	};
 
+	smp2p-modem {
+		compatible = "qcom,smp2p";
+		qcom,smem = <435>, <428>;
+
+		interrupts = <GIC_SPI 27 IRQ_TYPE_EDGE_RISING>;
+
+		qcom,ipc = <&apcs 8 14>;
+
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <1>;
+
+		smp2p_modem_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+
+			#qcom,smem-state-cells = <1>;
+		};
+
+		smp2p_modem_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+
 	smp2p-wcnss {
 		compatible = "qcom,smp2p";
 		qcom,smem = <451>, <431>;
@@ -366,6 +391,14 @@ apps_smsm: apps@0 {
 			#qcom,smem-state-cells = <1>;
 		};
 
+		modem_smsm: modem@1 {
+			reg = <1>;
+			interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+
 		wcnss_smsm: wcnss@6 {
 			reg = <6>;
 			interrupts = <GIC_SPI 144 IRQ_TYPE_EDGE_RISING>;
@@ -995,6 +1028,60 @@ spmi_bus: spmi@...f000 {
 			#size-cells = <0>;
 		};
 
+		mpss: remoteproc@...0000 {
+			compatible = "qcom,msm8953-mss-pil";
+			reg = <0x04080000 0x100>,
+			      <0x04020000 0x040>;
+			reg-names = "qdsp6", "rmb";
+
+			interrupts-extended = <&intc GIC_SPI 24 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_modem_in 0 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_modem_in 1 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_modem_in 2 IRQ_TYPE_EDGE_RISING>,
+					      <&smp2p_modem_in 3 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "wdog", "fatal", "ready",
+					  "handover", "stop-ack";
+
+			power-domains = <&rpmpd MSM8953_VDDCX>,
+					<&rpmpd MSM8953_VDDMX>,
+					<&rpmpd MSM8953_VDDMD>;
+			power-domain-names = "cx", "mx","mss";
+
+			clocks = <&gcc GCC_MSS_CFG_AHB_CLK>,
+				 <&gcc GCC_MSS_Q6_BIMC_AXI_CLK>,
+				 <&gcc GCC_BOOT_ROM_AHB_CLK>,
+				 <&rpmcc RPM_SMD_XO_CLK_SRC>;
+			clock-names = "iface", "bus", "mem", "xo";
+
+			qcom,smem-states = <&smp2p_modem_out 0>;
+			qcom,smem-state-names = "stop";
+
+			resets = <&gcc GCC_MSS_BCR>;
+			reset-names = "mss_restart";
+
+			qcom,halt-regs = <&tcsr 0x18000 0x19000 0x1a000>;
+
+			status = "disabled";
+
+			mba {
+				memory-region = <&mba_mem>;
+			};
+
+			mpss {
+				memory-region = <&mpss_mem>;
+			};
+
+			smd-edge {
+				interrupts = <GIC_SPI 25 IRQ_TYPE_EDGE_RISING>;
+
+				qcom,smd-edge = <0>;
+				qcom,ipc = <&apcs 8 12>;
+				qcom,remote-pid = <1>;
+
+				label = "modem";
+			};
+		};
+
 		usb3: usb@...8800 {
 			compatible = "qcom,msm8953-dwc3", "qcom,dwc3";
 			reg = <0x070f8800 0x400>;
-- 
2.25.1