arm64: dts: apple: t6031: Add MTP device nodes

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

Author: jannau

arch/arm64/boot/dts/apple/t6031-die0.dtsi

@@ -150,6 +150,83 @@
 				<AIC_IRQ 0 910 IRQ_TYPE_LEVEL_HIGH>;
 	};
 
+	mtp: mtp@2ac400000 {
+		compatible = "apple,t6031-mtp", "apple,t8122-rtk-helper-asc4", "apple,mtp", "apple,rtk-helper-asc4";
+		reg = <0x2 0xac400000 0x0 0x4000>,
+		      <0x2 0xacc00000 0x0 0x100000>;
+		reg-names = "asc", "sram";
+
+		mboxes = <&mtp_mbox>;
+		iommus = <&mtp_dart 1>;
+		#helper-cells = <0>;
+
+		status = "disabled";
+	};
+
+	mtp_mbox: mbox@2ac408000 {
+		compatible = "apple,t6031-asc-mailbox", "apple,asc-mailbox-v4";
+		reg = <0x2 0xac408000 0x0 0x4000>;
+
+		interrupt-parent = <&aic>;
+		interrupts = <AIC_IRQ 0 692 IRQ_TYPE_LEVEL_HIGH>,
+			     <AIC_IRQ 0 693 IRQ_TYPE_LEVEL_HIGH>,
+			     <AIC_IRQ 0 694 IRQ_TYPE_LEVEL_HIGH>,
+			     <AIC_IRQ 0 695 IRQ_TYPE_LEVEL_HIGH>;
+		interrupt-names = "send-empty", "send-not-empty",
+			"recv-empty", "recv-not-empty";
+		#mbox-cells = <0>;
+		status = "disabled";
+	};
+
+	mtp_dart: iommu@2ac808000 {
+		compatible = "apple,t6031-dart", "apple,t8110-dart";
+		reg = <0x2 0xac808000 0x0 0x4000>;
+
+		interrupt-parent = <&aic>;
+		interrupts = <AIC_IRQ 0 675 IRQ_TYPE_LEVEL_HIGH>;
+
+		#iommu-cells = <1>;
+
+		status = "disabled";
+	};
+
+	mtp_dockchannel: fifo@2acb14000 {
+		compatible = "apple,t6031-dockchannel", "apple,dockchannel";
+		reg = <0x2 0xacb14000 0x0 0x4000>;
+		reg-names = "irq";
+		interrupt-parent = <&aic>;
+		interrupts = <AIC_IRQ 0 676 IRQ_TYPE_LEVEL_HIGH>;
+
+		ranges = <0 0x2 0xacb28000 0x20000>;
+		nonposted-mmio;
+		#address-cells = <1>;
+		#size-cells = <1>;
+
+		interrupt-controller;
+		#interrupt-cells = <2>;
+
+		status = "disabled";
+
+		mtp_hid: input@0 {
+			compatible = "apple,dockchannel-hid";
+			reg = <0x0000 0x4000>,
+			      <0x4000 0x4000>,
+			      <0x8000 0x4000>,
+			      <0xc000 0x4000>;
+			reg-names = "rmt-config", "rmt-data", "config", "data";
+
+			iommus = <&mtp_dart 1>;
+
+			interrupt-parent = <&mtp_dockchannel>;
+			interrupts = <2 IRQ_TYPE_LEVEL_HIGH>,
+				<3 IRQ_TYPE_LEVEL_HIGH>;
+			interrupt-names = "tx", "rx";
+
+			apple,fifo-size = <0x800>;
+			apple,helper-cpu = <&mtp>;
+		};
+	};
+
 	i2c0: i2c@391010000 {
 		compatible = "apple,t6031-i2c", "apple,t8103-i2c";
 		reg = <0x3 0x91010000 0x0 0x4000>;