xref: /linux/arch/arm64/boot/dts/apple/t8010.dtsi (revision 55a42f78ffd386e01a5404419f8c5ded7db70a21)
1// SPDX-License-Identifier: GPL-2.0 OR MIT
2/*
3 * Apple T8010 "A10" SoC
4 *
5 * Other names: H9P, "Cayman"
6 *
7 * Copyright (c) 2022, Konrad Dybcio <konradybcio@kernel.org>
8 */
9
10#include <dt-bindings/gpio/gpio.h>
11#include <dt-bindings/interrupt-controller/apple-aic.h>
12#include <dt-bindings/interrupt-controller/irq.h>
13#include <dt-bindings/pinctrl/apple.h>
14
15/ {
16	interrupt-parent = <&aic>;
17	#address-cells = <2>;
18	#size-cells = <2>;
19
20	clkref: clock-ref {
21		compatible = "fixed-clock";
22		#clock-cells = <0>;
23		clock-frequency = <24000000>;
24		clock-output-names = "clkref";
25	};
26
27	cpus {
28		#address-cells = <2>;
29		#size-cells = <0>;
30
31		cpu0: cpu@0 {
32			compatible = "apple,hurricane-zephyr";
33			reg = <0x0 0x0>;
34			cpu-release-addr = <0 0>; /* To be filled by loader */
35			operating-points-v2 = <&fusion_opp>;
36			performance-domains = <&cpufreq>;
37			enable-method = "spin-table";
38			device_type = "cpu";
39			next-level-cache = <&l2_cache>;
40			i-cache-size = <0x10000>; /* P-core */
41			d-cache-size = <0x10000>; /* P-core */
42		};
43
44		cpu1: cpu@1 {
45			compatible = "apple,hurricane-zephyr";
46			reg = <0x0 0x1>;
47			cpu-release-addr = <0 0>; /* To be filled by loader */
48			operating-points-v2 = <&fusion_opp>;
49			performance-domains = <&cpufreq>;
50			enable-method = "spin-table";
51			device_type = "cpu";
52			next-level-cache = <&l2_cache>;
53			i-cache-size = <0x10000>; /* P-core */
54			d-cache-size = <0x10000>; /* P-core */
55		};
56
57		l2_cache: l2-cache {
58			compatible = "cache";
59			cache-level = <2>;
60			cache-unified;
61			cache-size = <0x300000>; /* P-cluster */
62		};
63	};
64
65	fusion_opp: opp-table {
66		compatible = "operating-points-v2";
67
68		/*
69		 * Apple Fusion Architecture: Hardware big.LITTLE switcher
70		 * that use p-state transitions to switch between cores.
71		 * Only one type of core can be active at a given time.
72		 *
73		 * The E-core frequencies are adjusted so performance scales
74		 * linearly with reported clock speed.
75		 */
76
77		opp01 {
78			opp-hz = /bits/ 64 <172000000>; /* 300 MHz, E-core */
79			opp-level = <1>;
80			clock-latency-ns = <11000>;
81		};
82		opp02 {
83			opp-hz = /bits/ 64 <230000000>; /* 396 MHz, E-core */
84			opp-level = <2>;
85			clock-latency-ns = <49000>;
86		};
87		opp03 {
88			opp-hz = /bits/ 64 <425000000>; /* 732 MHz, E-core */
89			opp-level = <3>;
90			clock-latency-ns = <13000>;
91		};
92		opp04 {
93			opp-hz = /bits/ 64 <637000000>; /* 1092 MHz, E-core */
94			opp-level = <4>;
95			clock-latency-ns = <18000>;
96		};
97		opp05 {
98			opp-hz = /bits/ 64 <756000000>;
99			opp-level = <5>;
100			clock-latency-ns = <35000>;
101		};
102		opp06 {
103			opp-hz = /bits/ 64 <1056000000>;
104			opp-level = <6>;
105			clock-latency-ns = <31000>;
106		};
107		opp07 {
108			opp-hz = /bits/ 64 <1356000000>;
109			opp-level = <7>;
110			clock-latency-ns = <37000>;
111		};
112		opp08 {
113			opp-hz = /bits/ 64 <1644000000>;
114			opp-level = <8>;
115			clock-latency-ns = <39500>;
116		};
117		hurricane_opp09: opp09 {
118			opp-hz = /bits/ 64 <1944000000>;
119			opp-level = <9>;
120			clock-latency-ns = <46000>;
121			status = "disabled"; /* Not available on N112 */
122		};
123		hurricane_opp10: opp10 {
124			opp-hz = /bits/ 64 <2244000000>;
125			opp-level = <10>;
126			clock-latency-ns = <56000>;
127			status = "disabled"; /* Not available on N112 */
128		};
129#if 0
130		/* Not available until CPU deep sleep is implemented */
131		hurricane_opp11: opp11 {
132			opp-hz = /bits/ 64 <2340000000>;
133			opp-level = <11>;
134			clock-latency-ns = <56000>;
135			turbo-mode;
136			status = "disabled"; /* Not available on N112 */
137		};
138#endif
139	};
140
141	soc {
142		compatible = "simple-bus";
143		#address-cells = <2>;
144		#size-cells = <2>;
145		nonposted-mmio;
146		ranges;
147
148		cpufreq: performance-controller@202f20000 {
149			compatible = "apple,t8010-cluster-cpufreq", "apple,t8103-cluster-cpufreq", "apple,cluster-cpufreq";
150			reg = <0x2 0x02f20000 0 0x1000>;
151			#performance-domain-cells = <0>;
152		};
153
154		serial0: serial@20a0c0000 {
155			compatible = "apple,s5l-uart";
156			reg = <0x2 0x0a0c0000 0x0 0x4000>;
157			reg-io-width = <4>;
158			interrupt-parent = <&aic>;
159			interrupts = <AIC_IRQ 218 IRQ_TYPE_LEVEL_HIGH>;
160			/* Use the bootloader-enabled clocks for now. */
161			clocks = <&clkref>, <&clkref>;
162			clock-names = "uart", "clk_uart_baud0";
163			power-domains = <&ps_uart0>;
164			status = "disabled";
165		};
166
167		i2c0: i2c@20a110000 {
168			compatible = "apple,t8010-i2c", "apple,i2c";
169			reg = <0x2 0x0a110000 0x0 0x1000>;
170			clocks = <&clkref>;
171			interrupt-parent = <&aic>;
172			interrupts = <AIC_IRQ 232 IRQ_TYPE_LEVEL_HIGH>;
173			pinctrl-0 = <&i2c0_pins>;
174			pinctrl-names = "default";
175			power-domains = <&ps_i2c0>;
176			#address-cells = <1>;
177			#size-cells = <0>;
178			status = "disabled";
179		};
180
181		i2c1: i2c@20a111000 {
182			compatible = "apple,t8010-i2c", "apple,i2c";
183			reg = <0x2 0x0a111000 0x0 0x1000>;
184			clocks = <&clkref>;
185			interrupt-parent = <&aic>;
186			interrupts = <AIC_IRQ 233 IRQ_TYPE_LEVEL_HIGH>;
187			pinctrl-0 = <&i2c1_pins>;
188			pinctrl-names = "default";
189			power-domains = <&ps_i2c1>;
190			#address-cells = <1>;
191			#size-cells = <0>;
192			status = "disabled";
193		};
194
195		i2c2: i2c@20a112000 {
196			compatible = "apple,t8010-i2c", "apple,i2c";
197			reg = <0x2 0x0a112000 0x0 0x1000>;
198			clocks = <&clkref>;
199			interrupt-parent = <&aic>;
200			interrupts = <AIC_IRQ 234 IRQ_TYPE_LEVEL_HIGH>;
201			pinctrl-0 = <&i2c2_pins>;
202			pinctrl-names = "default";
203			power-domains = <&ps_i2c2>;
204			#address-cells = <1>;
205			#size-cells = <0>;
206			status = "disabled";
207		};
208
209		i2c3: i2c@20a113000 {
210			compatible = "apple,t8010-i2c", "apple,i2c";
211			reg = <0x2 0x0a113000 0x0 0x1000>;
212			clocks = <&clkref>;
213			interrupt-parent = <&aic>;
214			interrupts = <AIC_IRQ 235 IRQ_TYPE_LEVEL_HIGH>;
215			pinctrl-0 = <&i2c3_pins>;
216			pinctrl-names = "default";
217			power-domains = <&ps_i2c3>;
218			#address-cells = <1>;
219			#size-cells = <0>;
220			status = "disabled";
221		};
222
223		pmgr: power-management@20e000000 {
224			compatible = "apple,t8010-pmgr", "apple,pmgr", "syscon", "simple-mfd";
225			#address-cells = <1>;
226			#size-cells = <1>;
227
228			reg = <0x2 0xe000000 0 0x8c000>;
229		};
230
231		aic: interrupt-controller@20e100000 {
232			compatible = "apple,t8010-aic", "apple,aic";
233			reg = <0x2 0x0e100000 0x0 0x100000>;
234			#interrupt-cells = <3>;
235			interrupt-controller;
236			power-domains = <&ps_aic>;
237		};
238
239		dwi_bl: backlight@20e200080 {
240			compatible = "apple,t8010-dwi-bl", "apple,dwi-bl";
241			reg = <0x2 0x0e200080 0x0 0x8>;
242			power-domains = <&ps_dwi>;
243			status = "disabled";
244		};
245
246		pinctrl_ap: pinctrl@20f100000 {
247			compatible = "apple,t8010-pinctrl", "apple,pinctrl";
248			reg = <0x2 0x0f100000 0x0 0x100000>;
249			power-domains = <&ps_gpio>;
250
251			gpio-controller;
252			#gpio-cells = <2>;
253			gpio-ranges = <&pinctrl_ap 0 0 208>;
254			apple,npins = <208>;
255
256			interrupt-controller;
257			#interrupt-cells = <2>;
258			interrupt-parent = <&aic>;
259			interrupts = <AIC_IRQ 42 IRQ_TYPE_LEVEL_HIGH>,
260				     <AIC_IRQ 43 IRQ_TYPE_LEVEL_HIGH>,
261				     <AIC_IRQ 44 IRQ_TYPE_LEVEL_HIGH>,
262				     <AIC_IRQ 45 IRQ_TYPE_LEVEL_HIGH>,
263				     <AIC_IRQ 46 IRQ_TYPE_LEVEL_HIGH>,
264				     <AIC_IRQ 47 IRQ_TYPE_LEVEL_HIGH>,
265				     <AIC_IRQ 48 IRQ_TYPE_LEVEL_HIGH>;
266
267			i2c0_pins: i2c0-pins {
268				pinmux = <APPLE_PINMUX(197, 1)>,
269					 <APPLE_PINMUX(196, 1)>;
270			};
271
272			i2c1_pins: i2c1-pins {
273				pinmux = <APPLE_PINMUX(40, 1)>,
274					 <APPLE_PINMUX(39, 1)>;
275			};
276
277			i2c2_pins: i2c2-pins {
278				pinmux = <APPLE_PINMUX(132, 1)>,
279					 <APPLE_PINMUX(133, 1)>;
280			};
281
282			i2c3_pins: i2c3-pins {
283				pinmux = <APPLE_PINMUX(41, 1)>,
284					 <APPLE_PINMUX(42, 1)>;
285			};
286		};
287
288		pinctrl_aop: pinctrl@2100f0000 {
289			compatible = "apple,t8010-pinctrl", "apple,pinctrl";
290			reg = <0x2 0x100f0000 0x0 0x100000>;
291			power-domains = <&ps_aop_gpio>;
292
293			gpio-controller;
294			#gpio-cells = <2>;
295			gpio-ranges = <&pinctrl_aop 0 0 42>;
296			apple,npins = <42>;
297
298			interrupt-controller;
299			#interrupt-cells = <2>;
300			interrupt-parent = <&aic>;
301			interrupts = <AIC_IRQ 128 IRQ_TYPE_LEVEL_HIGH>,
302				     <AIC_IRQ 129 IRQ_TYPE_LEVEL_HIGH>,
303				     <AIC_IRQ 130 IRQ_TYPE_LEVEL_HIGH>,
304				     <AIC_IRQ 131 IRQ_TYPE_LEVEL_HIGH>,
305				     <AIC_IRQ 132 IRQ_TYPE_LEVEL_HIGH>,
306				     <AIC_IRQ 133 IRQ_TYPE_LEVEL_HIGH>,
307				     <AIC_IRQ 134 IRQ_TYPE_LEVEL_HIGH>;
308		};
309
310		pmgr_mini: power-management@210200000 {
311			compatible = "apple,t8010-pmgr", "apple,pmgr", "syscon", "simple-mfd";
312			#address-cells = <1>;
313			#size-cells = <1>;
314
315			reg = <0x2 0x10200000 0 0x84000>;
316		};
317
318		wdt: watchdog@2102b0000 {
319			compatible = "apple,t8010-wdt", "apple,wdt";
320			reg = <0x2 0x102b0000 0x0 0x4000>;
321			clocks = <&clkref>;
322			interrupt-parent = <&aic>;
323			interrupts = <AIC_IRQ 4 IRQ_TYPE_LEVEL_HIGH>;
324		};
325	};
326
327	timer {
328		compatible = "arm,armv8-timer";
329		interrupt-parent = <&aic>;
330		interrupt-names = "phys", "virt";
331		/* Note that A10 doesn't actually have a hypervisor (EL2 is not implemented). */
332		interrupts = <AIC_FIQ AIC_TMR_GUEST_PHYS IRQ_TYPE_LEVEL_HIGH>,
333			     <AIC_FIQ AIC_TMR_GUEST_VIRT IRQ_TYPE_LEVEL_HIGH>;
334	};
335};
336
337#include "t8010-pmgr.dtsi"
338