1 files changed, 113 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/apple/s5l8960x.dtsi b/arch/arm64/boot/dts/apple/s5l8960x.dtsi
new file mode 100644
index 000000000000..0218ecac1d83
--- /dev/null
+++ b/arch/arm64/boot/dts/apple/s5l8960x.dtsi
@@ -0,0 +1,113 @@
+// SPDX-License-Identifier: GPL-2.0+ OR MIT
+/*
+ * Apple S5L8960X "A7" SoC
+ *
+ * Other Names: H6, "Alcatraz"
+ *
+ * Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
+ * Based on Asahi Linux's M1 (t8103.dtsi) and Corellium's A10 efforts.
+ */
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/interrupt-controller/apple-aic.h>
+#include <dt-bindings/interrupt-controller/irq.h>
+#include <dt-bindings/pinctrl/apple.h>
+
+/ {
+	interrupt-parent = <&aic>;
+	#address-cells = <2>;
+	#size-cells = <2>;
+
+	clkref: clock-ref {
+		compatible = "fixed-clock";
+		#clock-cells = <0>;
+		clock-frequency = <24000000>;
+		clock-output-names = "clkref";
+	};
+
+	cpus {
+		#address-cells = <2>;
+		#size-cells = <0>;
+
+		cpu0: cpu@0 {
+			compatible = "apple,cyclone";
+			reg = <0x0 0x0>;
+			cpu-release-addr = <0 0>; /* To be filled by loader */
+			enable-method = "spin-table";
+			device_type = "cpu";
+		};
+
+		cpu1: cpu@1 {
+			compatible = "apple,cyclone";
+			reg = <0x0 0x1>;
+			cpu-release-addr = <0 0>; /* To be filled by loader */
+			enable-method = "spin-table";
+			device_type = "cpu";
+		};
+	};
+
+	soc {
+		compatible = "simple-bus";
+		#address-cells = <2>;
+		#size-cells = <2>;
+		nonposted-mmio;
+		ranges;
+
+		serial0: serial@20a0a0000 {
+			compatible = "apple,s5l-uart";
+			reg = <0x2 0x0a0a0000 0x0 0x4000>;
+			reg-io-width = <4>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 140 IRQ_TYPE_LEVEL_HIGH>;
+			/* Use the bootloader-enabled clocks for now. */
+			clocks = <&clkref>, <&clkref>;
+			clock-names = "uart", "clk_uart_baud0";
+			status = "disabled";
+		};
+
+		wdt: watchdog@20e027000 {
+			compatible = "apple,s5l8960x-wdt", "apple,wdt";
+			reg = <0x2 0x0e027000 0x0 0x1000>;
+			clocks = <&clkref>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 4 IRQ_TYPE_LEVEL_HIGH>;
+		};
+
+		aic: interrupt-controller@20e100000 {
+			compatible = "apple,s5l8960x-aic", "apple,aic";
+			reg = <0x2 0x0e100000 0x0 0x100000>;
+			#interrupt-cells = <3>;
+			interrupt-controller;
+		};
+
+		pinctrl: pinctrl@20e300000 {
+			compatible = "apple,s5l8960x-pinctrl", "apple,pinctrl";
+			reg = <0x2 0x0e300000 0x0 0x100000>;
+
+			gpio-controller;
+			#gpio-cells = <2>;
+			gpio-ranges = <&pinctrl 0 0 200>;
+			apple,npins = <200>;
+
+			interrupt-controller;
+			#interrupt-cells = <2>;
+			interrupt-parent = <&aic>;
+			interrupts = <AIC_IRQ 108 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 109 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 110 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 111 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 112 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 113 IRQ_TYPE_LEVEL_HIGH>,
+				     <AIC_IRQ 114 IRQ_TYPE_LEVEL_HIGH>;
+		};
+	};
+
+	timer {
+		compatible = "arm,armv8-timer";
+		interrupt-parent = <&aic>;
+		interrupt-names = "phys", "virt";
+		/* Note that A7 doesn't actually have a hypervisor (EL2 is not implemented). */
+		interrupts = <AIC_FIQ AIC_TMR_GUEST_PHYS IRQ_TYPE_LEVEL_HIGH>,
+			     <AIC_FIQ AIC_TMR_GUEST_VIRT IRQ_TYPE_LEVEL_HIGH>;
+	};
+};