arm64: dts: apple: share T604x resources and describe M4 sibling boards

arch/arm64/boot/dts/apple/Makefile

@@ -120,3 +120,9 @@ dtb-$(CONFIG_ARCH_APPLE) += t8142-j813.dtb
 dtb-$(CONFIG_ARCH_APPLE) += t8152-j873g.dtb
 
 # Explicit cold-ANE lead test; never select as the production board DTB.
+
+dtb-$(CONFIG_ARCH_APPLE) += t6040-j773s.dtb
+
+dtb-$(CONFIG_ARCH_APPLE) += t6041-j614c.dtb
+
+dtb-$(CONFIG_ARCH_APPLE) += t6041-j575c.dtb

arch/arm64/boot/dts/apple/t6040-j773s-audio.dtsi

@@ -0,0 +1,40 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/* J773S audio endpoints. Keep the routes and hardware disabled until qualified. */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+
+/ {
+	speaker_sdz: regulator-speaker-sdz {
+		compatible = "regulator-fixed";
+		regulator-name = "speaker-sdz";
+		gpios = <&pinctrl_ap 54 GPIO_ACTIVE_HIGH>;
+		enable-active-high;
+		status = "disabled";
+	};
+};
+
+&i2c1 {
+	audio_speaker: codec@38 {
+		compatible = "ti,sn012776", "ti,tas2764";
+		reg = <0x38>;
+		#sound-dai-cells = <0>;
+		SDZ-supply = <&speaker_sdz>;
+		apple,sdz-group-fail-closed;
+		interrupts-extended = <&pinctrl_ap 55 IRQ_TYPE_LEVEL_LOW>;
+		status = "disabled";
+	};
+
+};
+
+&i2c2 {
+	audio_codec_output: codec@4b {
+		compatible = "cirrus,cs42l84";
+		reg = <0x4b>;
+		#sound-dai-cells = <0>;
+		reset-gpios = <&pinctrl_nub 58 GPIO_ACTIVE_HIGH>;
+		interrupts-extended = <&pinctrl_ap 106 IRQ_TYPE_LEVEL_LOW>;
+		status = "disabled";
+	};
+
+};

arch/arm64/boot/dts/apple/t6040-j773s.dts

@@ -0,0 +1,58 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/* Apple Mac mini (M4 Pro, 2024). Unqualified peripherals remain disabled. */
+
+/dts-v1/;
+
+#include "t6040.dtsi"
+
+/ {
+	compatible = "apple,j773s", "apple,t6040", "apple,arm-platform";
+	model = "Apple Mac mini (M4 Pro, 2024)";
+	chassis-type = "desktop";
+
+	aliases {
+		serial0 = &serial0;
+		sep = &sep;
+		pmp = &pmp;
+		gpu = &gpu;
+	};
+
+	chosen {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		stdout-path = "serial0:115200n8";
+
+		framebuffer0: framebuffer@0 {
+			compatible = "apple,simple-framebuffer", "simple-framebuffer";
+			reg = <0 0 0 0>;
+			/* The loader supplies this boot's framebuffer allocation. */
+			status = "disabled";
+		};
+	};
+
+	reserved-memory {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+		/* Runtime firmware reservations are supplied by the loader. */
+	};
+
+	memory@0 {
+		device_type = "memory";
+		reg = <0 0 0 0>; /* Filled by the loader. */
+	};
+};
+
+&serial0 {
+	status = "okay";
+};
+
+/* These endpoints belong to the laptop board, not the Mac mini. */
+/delete-node/ &battery_monitor;
+/delete-node/ &hid_mux;
+/delete-node/ &audio_low_power_mic;
+/delete-node/ &audio_mic_buffer;
+/delete-node/ &audio_listening_client;
+
+#include "t6040-j773s-audio.dtsi"