arm64: apple: t600x: Add sio and dpaudio device nodes

Signed-off-by: Janne Grunau <j@jannau.net>

Author: jannau

arch/arm64/boot/dts/apple/t600x-die0.dtsi

@@ -188,6 +188,27 @@
 		apple,dma-range = <0x1f0 0x0 0x0 0xfc000000>;
 	};
 
+	dpaudio0: audio-controller@39b500000 {
+		compatible = "apple,t6000-dpaudio", "apple,dpaudio";
+		reg = <0x3 0x9b500000 0x0 0x4000>;
+		dmas = <&sio 0x64>;
+		dma-names = "tx";
+		power-domains = <&ps_dpa0>;
+		reset-domains = <&ps_dpa0>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+				dpaudio0_dcp: endpoint {
+					remote-endpoint = <&dcp_audio>;
+				};
+			};
+		};
+	};
+
 	dcp_mbox: mbox@38bc08000 {
 		compatible = "apple,t6000-asc-mailbox", "apple,asc-mailbox-v4";
 		reg = <0x3 0x8bc08000 0x0 0x4000>;
@@ -227,6 +248,17 @@
 			iommus = <&disp0_dart 4>;
 			phandle = <&disp0_piodma>;
 		};
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+				dcp_audio: endpoint {
+					remote-endpoint = <&dpaudio0_dcp>;
+				};
+			};
+		};
 	};
 
 	display: display-subsystem {

arch/arm64/boot/dts/apple/t600x-dieX.dtsi

@@ -88,6 +88,17 @@
 		piodma {
 			iommus = <&DIE_NODE(dispext0_dart) 4>;
 		};
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+				DIE_NODE(dcpext0_audio): endpoint {
+					remote-endpoint = <&DIE_NODE(dpaudio1_dcp)>;
+				};
+			};
+		};
 	};
 
 	DIE_NODE(dispext1_dart): iommu@28c304000 {
@@ -154,6 +165,17 @@
 		piodma {
 			iommus = <&DIE_NODE(dispext1_dart) 4>;
 		};
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+				DIE_NODE(dcpext1_audio): endpoint {
+					remote-endpoint = <&DIE_NODE(dpaudio2_dcp)>;
+				};
+			};
+		};
 	};
 
 	DIE_NODE(pmgr): power-management@28e080000 {
@@ -270,6 +292,120 @@
 		#interrupt-cells = <2>;
 	};
 
+	DIE_NODE(sio_mbox): mbox@39bc08000 {
+		compatible = "apple,t6000-asc-mailbox", "apple,asc-mailbox-v4";
+		reg = <0x3 0x9bc08000 0x0 0x4000>;
+		interrupt-parent = <&aic>;
+		interrupts = <AIC_IRQ DIE_NO 1147 IRQ_TYPE_LEVEL_HIGH>,
+			<AIC_IRQ DIE_NO 1148 IRQ_TYPE_LEVEL_HIGH>,
+			<AIC_IRQ DIE_NO 1149 IRQ_TYPE_LEVEL_HIGH>,
+			<AIC_IRQ DIE_NO 1150 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "send-empty", "send-not-empty",
+			"recv-empty", "recv-not-empty";
+		#mbox-cells = <0>;
+		power-domains = <&DIE_NODE(ps_sio_cpu)>;
+	};
+
+	DIE_NODE(sio): sio@39bc00000 {
+		compatible = "apple,t6000-sio", "apple,sio";
+		reg = <0x3 0x9bc00000 0x0 0x8000>;
+		dma-channels = <128>;
+		#dma-cells = <1>;
+		mboxes = <&DIE_NODE(sio_mbox)>;
+		iommus = <&DIE_NODE(sio_dart_0) 0>, <&DIE_NODE(sio_dart_1) 0>;
+		power-domains = <&DIE_NODE(ps_sio_cpu)>;
+		resets = <&DIE_NODE(ps_sio)>; /* TODO: verify reset does something */
+		status = "disabled";
+	};
+
+	DIE_NODE(dpaudio1): audio-controller@39b504000 {
+		compatible = "apple,t6000-dpaudio", "apple,dpaudio";
+		reg = <0x3 0x9b540000 0x0 0x4000>;
+		dmas = <&DIE_NODE(sio) 0x66>;
+		dma-names = "tx";
+		power-domains = <&DIE_NODE(ps_dpa1)>;
+		reset-domains = <&DIE_NODE(ps_dpa1)>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+				DIE_NODE(dpaudio1_dcp): endpoint {
+					remote-endpoint = <&DIE_NODE(dcpext0_audio)>;
+				};
+			};
+		};
+	};
+
+	DIE_NODE(dpaudio2): audio-controller@39b508000 {
+		compatible = "apple,t6000-dpaudio", "apple,dpaudio";
+		reg = <0x3 0x9b580000 0x0 0x4000>;
+		dmas = <&DIE_NODE(sio) 0x68>;
+		dma-names = "tx";
+		power-domains = <&DIE_NODE(ps_dpa2)>;
+		reset-domains = <&DIE_NODE(ps_dpa2)>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+				DIE_NODE(dpaudio2_dcp): endpoint {
+					remote-endpoint = <&DIE_NODE(dcpext1_audio)>;
+				};
+			};
+		};
+	};
+
+	/*
+	 * omit dpaudio3 / 4 as long as the linked dcpext nodes don't exist
+	 *
+	DIE_NODE(dpaudio3): audio-controller@39b50c000 {
+		compatible = "apple,t6000-dpaudio", "apple,dpaudio";
+		reg = <0x3 0x9b5c0000 0x0 0x4000>;
+		dmas = <&DIE_NODE(sio) 0x6a>;
+		dma-names = "tx";
+		power-domains = <&DIE_NODE(ps_dpa3)>;
+		reset-domains = <&DIE_NODE(ps_dpa3)>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+				DIE_NODE(dpaudio3_dcp): endpoint {
+					remote-endpoint = <&DIE_NODE(dcpext2_audio)>;
+				};
+			};
+		};
+	};
+
+	DIE_NODE(dpaudio4): audio-controller@39b510000 {
+		compatible = "apple,t6000-dpaudio", "apple,dpaudio";
+		reg = <0x3 0x9b500000 0x0 0x4000>;
+		dmas = <&DIE_NODE(sio) 0x6c>;
+		dma-names = "tx";
+		power-domains = <&DIE_NODE(ps_dpa4)>;
+		reset-domains = <&DIE_NODE(ps_dpa4)>;
+		status = "disabled";
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				reg = <0>;
+				DIE_NODE(dpaudio4_dcp): endpoint {
+					remote-endpoint = <&DIE_NODE(dcpext3_audio)>;
+				};
+			};
+		};
+	};
+	*/
+
 	DIE_NODE(dwc3_0): usb@702280000 {
 		compatible = "apple,t6000-dwc3", "apple,t8103-dwc3";
 		reg = <0x7 0x02280000 0x0 0xcd00>, <0x7 0x0228cd00 0x0 0x3200>;