diff --git a/arch/arm64/boot/dts/apple/Makefile b/arch/arm64/boot/dts/apple/Makefile
index b021931b0a17..5a7506ff5ea3 100644
--- a/arch/arm64/boot/dts/apple/Makefile
+++ b/arch/arm64/boot/dts/apple/Makefile
@@ -8,3 +8,5 @@ dtb-$(CONFIG_ARCH_APPLE) += t6000-j314s.dtb
 dtb-$(CONFIG_ARCH_APPLE) += t6001-j314c.dtb
 dtb-$(CONFIG_ARCH_APPLE) += t6000-j316s.dtb
 dtb-$(CONFIG_ARCH_APPLE) += t6001-j316c.dtb
+dtb-$(CONFIG_ARCH_APPLE) += t6001-j375c.dtb
+dtb-$(CONFIG_ARCH_APPLE) += t6002-j375d.dtb
diff --git a/arch/arm64/boot/dts/apple/t6001-j375c.dts b/arch/arm64/boot/dts/apple/t6001-j375c.dts
new file mode 100644
index 000000000000..62ea437b58b2
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/t6001-j375c.dts
@@ -0,0 +1,18 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Mac Studio (M1 Max, 2022)
+ *
+ * target-type: J375c
+ *
+ * Copyright The Asahi Linux Contributors
+ */
+
+/dts-v1/;
+
+#include "t6001.dtsi"
+#include "t600x-j375.dtsi"
+
+/ {
+	compatible = "apple,j375c", "apple,t6001", "apple,arm-platform";
+	model = "Apple Mac Studio (M1 Max, 2022)";
+};
diff --git a/arch/arm64/boot/dts/apple/t6002-j375d.dts b/arch/arm64/boot/dts/apple/t6002-j375d.dts
new file mode 100644
index 000000000000..3365429bdc8b
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/t6002-j375d.dts
@@ -0,0 +1,50 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Mac Studio (M1 Ultra, 2022)
+ *
+ * target-type: J375d
+ *
+ * Copyright The Asahi Linux Contributors
+ */
+
+/dts-v1/;
+
+#include "t6002.dtsi"
+#include "t600x-j375.dtsi"
+
+/ {
+	compatible = "apple,j375d", "apple,t6002", "apple,arm-platform";
+	model = "Apple Mac Studio (M1 Ultra, 2022)";
+};
+
+/* USB Type C */
+&i2c0 {
+	/* front-right */
+	hpm4: usb-pd@39 {
+		compatible = "apple,cd321x";
+		reg = <0x39>;
+		interrupt-parent = <&pinctrl_ap>;
+		interrupts = <174 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "irq";
+	};
+
+	/* front-left */
+	hpm5: usb-pd@3a {
+		compatible = "apple,cd321x";
+		reg = <0x3a>;
+		interrupt-parent = <&pinctrl_ap>;
+		interrupts = <174 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "irq";
+	};
+};
+
+/* delete unused always-on power-domains on die 1 */
+
+/delete-node/ &ps_atc2_usb_aon_die1;
+/delete-node/ &ps_atc2_usb_die1;
+
+/delete-node/ &ps_atc3_usb_aon_die1;
+/delete-node/ &ps_atc3_usb_die1;
+
+/delete-node/ &ps_disp0_cpu0_die1;
+/delete-node/ &ps_disp0_fe_die1;
diff --git a/arch/arm64/boot/dts/apple/t600x-j375.dtsi b/arch/arm64/boot/dts/apple/t600x-j375.dtsi
new file mode 100644
index 000000000000..c5444cb34389
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/t600x-j375.dtsi
@@ -0,0 +1,115 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Mac Studio (2022)
+ *
+ * This file contains the parts common to J375 devices with both t6001 and t6002.
+ *
+ * target-type: J375c / J375d
+ *
+ * Copyright The Asahi Linux Contributors
+ */
+
+/dts-v1/;
+
+/ {
+	aliases {
+		serial0 = &serial0;
+		wifi0 = &wifi0;
+	};
+
+	chosen {
+		#address-cells = <2>;
+		#size-cells = <2>;
+		ranges;
+
+		stdout-path = "serial0";
+
+		framebuffer0: framebuffer@0 {
+			compatible = "apple,simple-framebuffer", "simple-framebuffer";
+			reg = <0 0 0 0>; /* To be filled by loader */
+			/* Format properties will be added by loader */
+			status = "disabled";
+		};
+	};
+
+	memory@10000000000 {
+		device_type = "memory";
+		reg = <0x100 0 0x2 0>; /* To be filled by loader */
+	};
+};
+
+&serial0 {
+	status = "okay";
+};
+
+/* USB Type C */
+&i2c0 {
+	hpm0: usb-pd@38 {
+		compatible = "apple,cd321x";
+		reg = <0x38>;
+		interrupt-parent = <&pinctrl_ap>;
+		interrupts = <174 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "irq";
+	};
+
+	hpm1: usb-pd@3f {
+		compatible = "apple,cd321x";
+		reg = <0x3f>;
+		interrupt-parent = <&pinctrl_ap>;
+		interrupts = <174 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "irq";
+	};
+
+	hpm2: usb-pd@3b {
+		compatible = "apple,cd321x";
+		reg = <0x3b>;
+		interrupt-parent = <&pinctrl_ap>;
+		interrupts = <174 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "irq";
+	};
+
+	hpm3: usb-pd@3c {
+		compatible = "apple,cd321x";
+		reg = <0x3c>;
+		interrupt-parent = <&pinctrl_ap>;
+		interrupts = <174 IRQ_TYPE_LEVEL_LOW>;
+		interrupt-names = "irq";
+	};
+};
+
+/* PCIe devices */
+&port00 {
+	/* WLAN */
+	bus-range = <1 1>;
+	wifi0: wifi@0,0 {
+		reg = <0x10000 0x0 0x0 0x0 0x0>;
+		/* To be filled by the loader */
+		local-mac-address = [00 10 18 00 00 10];
+	};
+};
+
+&port01 {
+	/* SD card reader */
+	bus-range = <2 2>;
+	sdhci0: mmc@0,0 {
+		compatible = "pci17a0,9755";
+		reg = <0x20000 0x0 0x0 0x0 0x0>;
+		cd-inverted;
+		wp-inverted;
+	};
+};
+
+&port02 {
+	/* 10 Gbit Ethernet */
+	bus-range = <3 3>;
+	ethernet0: ethernet@0,0 {
+		reg = <0x30000 0x0 0x0 0x0 0x0>;
+		/* To be filled by the loader */
+		local-mac-address = [00 10 18 00 00 00];
+	};
+};
+
+&port03 {
+	/* USB xHCI */
+	bus-range = <4 4>;
+};
