xref: /linux/arch/arm64/boot/dts/apple/s5l8960x.dtsi (revision 7f71507851fc7764b36a3221839607d3a45c2025)
1// SPDX-License-Identifier: GPL-2.0+ OR MIT
2/*
3 * Apple S5L8960X "A7" SoC
4 *
5 * Other Names: H6, "Alcatraz"
6 *
7 * Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
8 * Based on Asahi Linux's M1 (t8103.dtsi) and Corellium's A10 efforts.
9 */
10
11#include <dt-bindings/gpio/gpio.h>
12#include <dt-bindings/interrupt-controller/apple-aic.h>
13#include <dt-bindings/interrupt-controller/irq.h>
14#include <dt-bindings/pinctrl/apple.h>
15
16/ {
17	interrupt-parent = <&aic>;
18	#address-cells = <2>;
19	#size-cells = <2>;
20
21	clkref: clock-ref {
22		compatible = "fixed-clock";
23		#clock-cells = <0>;
24		clock-frequency = <24000000>;
25		clock-output-names = "clkref";
26	};
27
28	cpus {
29		#address-cells = <2>;
30		#size-cells = <0>;
31
32		cpu0: cpu@0 {
33			compatible = "apple,cyclone";
34			reg = <0x0 0x0>;
35			cpu-release-addr = <0 0>; /* To be filled by loader */
36			enable-method = "spin-table";
37			device_type = "cpu";
38		};
39
40		cpu1: cpu@1 {
41			compatible = "apple,cyclone";
42			reg = <0x0 0x1>;
43			cpu-release-addr = <0 0>; /* To be filled by loader */
44			enable-method = "spin-table";
45			device_type = "cpu";
46		};
47	};
48
49	soc {
50		compatible = "simple-bus";
51		#address-cells = <2>;
52		#size-cells = <2>;
53		nonposted-mmio;
54		ranges;
55
56		serial0: serial@20a0a0000 {
57			compatible = "apple,s5l-uart";
58			reg = <0x2 0x0a0a0000 0x0 0x4000>;
59			reg-io-width = <4>;
60			interrupt-parent = <&aic>;
61			interrupts = <AIC_IRQ 140 IRQ_TYPE_LEVEL_HIGH>;
62			/* Use the bootloader-enabled clocks for now. */
63			clocks = <&clkref>, <&clkref>;
64			clock-names = "uart", "clk_uart_baud0";
65			status = "disabled";
66		};
67
68		wdt: watchdog@20e027000 {
69			compatible = "apple,s5l8960x-wdt", "apple,wdt";
70			reg = <0x2 0x0e027000 0x0 0x1000>;
71			clocks = <&clkref>;
72			interrupt-parent = <&aic>;
73			interrupts = <AIC_IRQ 4 IRQ_TYPE_LEVEL_HIGH>;
74		};
75
76		aic: interrupt-controller@20e100000 {
77			compatible = "apple,s5l8960x-aic", "apple,aic";
78			reg = <0x2 0x0e100000 0x0 0x100000>;
79			#interrupt-cells = <3>;
80			interrupt-controller;
81		};
82
83		pinctrl: pinctrl@20e300000 {
84			compatible = "apple,s5l8960x-pinctrl", "apple,pinctrl";
85			reg = <0x2 0x0e300000 0x0 0x100000>;
86
87			gpio-controller;
88			#gpio-cells = <2>;
89			gpio-ranges = <&pinctrl 0 0 200>;
90			apple,npins = <200>;
91
92			interrupt-controller;
93			#interrupt-cells = <2>;
94			interrupt-parent = <&aic>;
95			interrupts = <AIC_IRQ 108 IRQ_TYPE_LEVEL_HIGH>,
96				     <AIC_IRQ 109 IRQ_TYPE_LEVEL_HIGH>,
97				     <AIC_IRQ 110 IRQ_TYPE_LEVEL_HIGH>,
98				     <AIC_IRQ 111 IRQ_TYPE_LEVEL_HIGH>,
99				     <AIC_IRQ 112 IRQ_TYPE_LEVEL_HIGH>,
100				     <AIC_IRQ 113 IRQ_TYPE_LEVEL_HIGH>,
101				     <AIC_IRQ 114 IRQ_TYPE_LEVEL_HIGH>;
102		};
103	};
104
105	timer {
106		compatible = "arm,armv8-timer";
107		interrupt-parent = <&aic>;
108		interrupt-names = "phys", "virt";
109		/* Note that A7 doesn't actually have a hypervisor (EL2 is not implemented). */
110		interrupts = <AIC_FIQ AIC_TMR_GUEST_PHYS IRQ_TYPE_LEVEL_HIGH>,
111			     <AIC_FIQ AIC_TMR_GUEST_VIRT IRQ_TYPE_LEVEL_HIGH>;
112	};
113};
114