ARM: dts: qcom: msm8226: Add ADSP node

Add a node for the adsp found on msm8226.
Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20220423155059.660387-3-luca@z3ntu.xyz

arch/arm/boot/dts/qcom-apq8026-asus-sparrow.dts

@@ -8,6 +8,8 @@
 #include "qcom-msm8226.dtsi"
 #include "qcom-pm8226.dtsi"
 
+/delete-node/ &adsp_region;
+
 / {
 	model = "ASUS ZenWatch 2";
 	compatible = "asus,sparrow", "qcom,apq8026";

arch/arm/boot/dts/qcom-msm8226.dtsi

@@ -8,6 +8,7 @@
 #include <dt-bindings/interrupt-controller/arm-gic.h>
 #include <dt-bindings/clock/qcom,gcc-msm8974.h>
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/power/qcom-rpmpd.h>
 #include <dt-bindings/reset/qcom,gcc-msm8974.h>
 
 / {
@@ -53,6 +54,11 @@ smem_region: smem@3000000 {
 			reg = <0x3000000 0x100000>;
 			no-map;
 		};
+
+		adsp_region: adsp@dc00000 {
+			reg = <0x0dc00000 0x1900000>;
+			no-map;
+		};
 	};
 
 	smd {
@@ -108,6 +114,31 @@ smem {
 		hwlocks = <&tcsr_mutex 3>;
 	};
 
+	smp2p-adsp {
+		compatible = "qcom,smp2p";
+		qcom,smem = <443>, <429>;
+
+		interrupt-parent = <&intc>;
+		interrupts = <GIC_SPI 158 IRQ_TYPE_EDGE_RISING>;
+
+		qcom,ipc = <&apcs 8 10>;
+
+		qcom,local-pid = <0>;
+		qcom,remote-pid = <2>;
+
+		adsp_smp2p_out: master-kernel {
+			qcom,entry-name = "master-kernel";
+			#qcom,smem-state-cells = <1>;
+		};
+
+		adsp_smp2p_in: slave-kernel {
+			qcom,entry-name = "slave-kernel";
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+		};
+	};
+
 	soc: soc {
 		compatible = "simple-bus";
 		#address-cells = <1>;
@@ -506,6 +537,40 @@ tcsr_mutex: hwlock@fd484000 {
 			reg = <0xfd484000 0x1000>;
 			#hwlock-cells = <1>;
 		};
+
+		adsp: remoteproc@fe200000 {
+			compatible = "qcom,msm8226-adsp-pil";
+			reg = <0xfe200000 0x100>;
+
+			interrupts-extended = <&intc GIC_SPI 162 IRQ_TYPE_EDGE_RISING>,
+					      <&adsp_smp2p_in 0 IRQ_TYPE_EDGE_RISING>,
+					      <&adsp_smp2p_in 1 IRQ_TYPE_EDGE_RISING>,
+					      <&adsp_smp2p_in 2 IRQ_TYPE_EDGE_RISING>,
+					      <&adsp_smp2p_in 3 IRQ_TYPE_EDGE_RISING>;
+			interrupt-names = "wdog", "fatal", "ready", "handover", "stop-ack";
+
+			power-domains = <&rpmpd MSM8226_VDDCX>;
+			power-domain-names = "cx";
+
+			clocks = <&xo_board>;
+			clock-names = "xo";
+
+			memory-region = <&adsp_region>;
+
+			qcom,smem-states = <&adsp_smp2p_out 0>;
+			qcom,smem-state-names = "stop";
+
+			status = "disabled";
+
+			smd-edge {
+				interrupts = <GIC_SPI 156 IRQ_TYPE_EDGE_RISING>;
+
+				qcom,ipc = <&apcs 8 8>;
+				qcom,smd-edge = <1>;
+
+				label = "lpass";
+			};
+		};
 	};
 
 	timer {