arm64: dts: apple: M3 SMC, NVMe, MTP, OPP and cpufreq, and J613 board

Documentation/devicetree/bindings/iommu/apple,dart.yaml

@@ -29,7 +29,9 @@ properties:
           - apple,t8110-dart
           - apple,t6000-dart
       - items:
-          - const: apple,t6020-dart
+          - enum:
+              - apple,t6020-dart
+              - apple,t8122-dart
           - const: apple,t8110-dart
 
   reg:

Documentation/devicetree/bindings/iommu/apple,sart.yaml

@@ -33,6 +33,7 @@ properties:
           - enum:
               - apple,t6020-sart
               - apple,t8112-sart
+              - apple,t8122-sart
           - const: apple,t6000-sart
       - enum:
           - apple,t6000-sart

Documentation/devicetree/bindings/mailbox/apple,mailbox.yaml

@@ -10,8 +10,7 @@ maintainers:
   - Hector Martin <marcan@marcan.st>
   - Sven Peter <sven@svenpeter.dev>
 
-description:
-  The Apple mailbox consists of two FIFOs used to exchange 64+32 bit
+description: The Apple mailbox consists of two FIFOs used to exchange 64+32 bit
   messages between the main CPU and a co-processor. Multiple instances
   of this mailbox can be found on Apple SoCs.
   One of the two FIFOs is used to send data to a co-processor while the other
@@ -30,6 +29,7 @@ properties:
           - enum:
               - apple,t8103-asc-mailbox
               - apple,t8112-asc-mailbox
+              - apple,t8122-asc-mailbox
               - apple,t6000-asc-mailbox
               - apple,t6020-asc-mailbox
           - const: apple,asc-mailbox-v4

arch/arm64/boot/dts/apple/Makefile

@@ -92,3 +92,4 @@ dtb-$(CONFIG_ARCH_APPLE) += t8112-j415.dtb
 dtb-$(CONFIG_ARCH_APPLE) += t8112-j473.dtb
 dtb-$(CONFIG_ARCH_APPLE) += t8112-j493.dtb
 dtb-$(CONFIG_ARCH_APPLE) += t8122-j504.dtb
+dtb-$(CONFIG_ARCH_APPLE) += t8122-j613.dtb

arch/arm64/boot/dts/apple/t8122-j613.dts

@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Apple MacBook Air (13-inch, M3, 2024)
+ *
+ * target-type: J613
+ *
+ * Copyright The Asahi Linux Contributors
+ */
+
+/dts-v1/;
+
+#include "t8122.dtsi"
+#include "t8122-jxxx.dtsi"
+#include <dt-bindings/leds/common.h>
+
+/ {
+	compatible = "apple,j613", "apple,t8122", "apple,arm-platform";
+	model = "Apple MacBook Air (13-inch, M3, 2024)";
+
+	led-controller {
+		compatible = "pwm-leds";
+		led-0 {
+			pwms = <&fpwm1 0 40000>;
+			label = "kbd_backlight";
+			function = LED_FUNCTION_KBD_BACKLIGHT;
+			color = <LED_COLOR_ID_WHITE>;
+			max-brightness = <255>;
+			default-state = "keep";
+		};
+	};
+};
+
+&framebuffer0 {
+	// panel = &panel;
+	power-domains = <&ps_disp_cpu>, <&ps_dptx_ext_phy>;
+};
+
+&port00 {
+       bus-range = <1 1>;
+       pwren-gpios = <&smc_gpio 13 GPIO_ACTIVE_HIGH>;
+};
+
+&fpwm1 {
+	status = "okay";
+};
+
+&mtp {
+	status = "okay";
+};
+
+&mtp_mbox {
+	status = "okay";
+};
+
+&mtp_dart {
+	status = "okay";
+};
+
+&mtp_dockchannel {
+	status = "okay";
+};
+
+&mtp_hid {
+	apple,afe-reset-gpios = <&smc_gpio 8 GPIO_ACTIVE_LOW>;
+	apple,stm-reset-gpios = <&smc_gpio 24 GPIO_ACTIVE_LOW>;
+
+	multi-touch {
+	 	firmware-name = "apple/tpmtfw-j613.bin";
+	};
+
+	keyboard: keyboard {
+		hid-country-code = <0>;
+		apple,keyboard-layout-id = <0>;
+	};
+
+	stm {
+	};
+
+	actuator {
+	};
+
+	tp_accel {
+	};
+};

arch/arm64/boot/dts/apple/t8122-jxxx.dtsi

@@ -4,7 +4,7 @@
  *
  * This file contains parts common to all Apple M3 devices using the t8122.
  *
- * target-type: J433, J434, J504, J513, J515
+ * target-type: J433, J434, J504, J613, J615
  *
  * Copyright The Asahi Linux Contributors
  */