arm64: dts: apple: t8103: Add touchbar bindings

Adds device tree entries for the touchbar digitizer

Signed-off-by: Sasha Finkelstein <fnkl.kernel@gmail.com>

Author: WhatAmISupposedToPutHere

arch/arm64/boot/dts/apple/t8103-j293.dts

@@ -28,6 +28,10 @@
 			default-state = "keep";
 		};
 	};
+
+	aliases {
+		touchbar0 = &touchbar0;
+	};
 };
 
 &dcp {
@@ -59,6 +63,26 @@
 	label = "USB-C Left-front";
 };
 
+&spi0 {
+	status = "okay";
+
+	touchbar0: touchbar@0 {
+		compatible = "apple,j293-touchbar",
+			"apple,z2-touchbar", "apple,z2-multitouch";
+		reg = <0>;
+		spi-max-frequency = <11500000>;
+		spi-cs-setup-delay-ns = <2000>;
+		spi-cs-hold-delay-ns = <2000>;
+		reset-gpios = <&pinctrl_ap 139 GPIO_ACTIVE_LOW>;
+		cs-gpios = <&pinctrl_ap 109 0>;
+		interrupts-extended = <&pinctrl_ap 194 IRQ_TYPE_EDGE_FALLING>;
+		firmware-name = "apple/dfrmtfw-j293.bin";
+		touchscreen-size-x = <23045>;
+		touchscreen-size-y = <640>;
+		label = "MacBookPro17,1 Touch Bar";
+	};
+};
+
 &spi3 {
 	status = "okay";
 

arch/arm64/boot/dts/apple/t8103.dtsi

@@ -702,6 +702,18 @@
 			status = "disabled";
 		};
 
+		spi0: spi@235100000 {
+			compatible = "apple,t8103-spi", "apple,spi";
+			reg = <0x2 0x35100000 0x0 0x4000>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 614 IRQ_TYPE_LEVEL_HIGH>;
+			clocks = <&clk_200m>;
+			power-domains = <&ps_spi0>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			status = "disabled"; /* only used in J293 */
+		};
+
 		spi1: spi@235104000 {
 			compatible = "apple,t8103-spi", "apple,spi";
 			reg = <0x2 0x35104000 0x0 0x4000>;