xref: /linux/arch/arm64/boot/dts/arm/juno-motherboard.dtsi (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9)
1/*
2 * ARM Juno Platform motherboard peripherals
3 *
4 * Copyright (c) 2013-2014 ARM Ltd
5 *
6 * This file is licensed under a dual GPLv2 or BSD license.
7 *
8 */
9
10		mb_clk24mhz: clk24mhz {
11			compatible = "fixed-clock";
12			#clock-cells = <0>;
13			clock-frequency = <24000000>;
14			clock-output-names = "juno_mb:clk24mhz";
15		};
16
17		mb_clk25mhz: clk25mhz {
18			compatible = "fixed-clock";
19			#clock-cells = <0>;
20			clock-frequency = <25000000>;
21			clock-output-names = "juno_mb:clk25mhz";
22		};
23
24		v2m_refclk1mhz: refclk1mhz {
25			compatible = "fixed-clock";
26			#clock-cells = <0>;
27			clock-frequency = <1000000>;
28			clock-output-names = "juno_mb:refclk1mhz";
29		};
30
31		v2m_refclk32khz: refclk32khz {
32			compatible = "fixed-clock";
33			#clock-cells = <0>;
34			clock-frequency = <32768>;
35			clock-output-names = "juno_mb:refclk32khz";
36		};
37
38		motherboard {
39			compatible = "arm,vexpress,v2p-p1", "simple-bus";
40			#address-cells = <2>;  /* SMB chipselect number and offset */
41			#size-cells = <1>;
42			#interrupt-cells = <1>;
43			ranges;
44			model = "V2M-Juno";
45			arm,hbi = <0x252>;
46			arm,vexpress,site = <0>;
47			arm,v2m-memory-map = "rs1";
48
49			mb_fixed_3v3: mcc-sb-3v3 {
50				compatible = "regulator-fixed";
51				regulator-name = "MCC_SB_3V3";
52				regulator-min-microvolt = <3300000>;
53				regulator-max-microvolt = <3300000>;
54				regulator-always-on;
55			};
56
57			gpio_keys {
58				compatible = "gpio-keys";
59				#address-cells = <1>;
60				#size-cells = <0>;
61
62				power-button {
63					debounce_interval = <50>;
64					wakeup-source;
65					linux,code = <116>;
66					label = "POWER";
67					gpios = <&iofpga_gpio0 0 0x4>;
68				};
69				home-button {
70					debounce_interval = <50>;
71					wakeup-source;
72					linux,code = <102>;
73					label = "HOME";
74					gpios = <&iofpga_gpio0 1 0x4>;
75				};
76				rlock-button {
77					debounce_interval = <50>;
78					wakeup-source;
79					linux,code = <152>;
80					label = "RLOCK";
81					gpios = <&iofpga_gpio0 2 0x4>;
82				};
83				vol-up-button {
84					debounce_interval = <50>;
85					wakeup-source;
86					linux,code = <115>;
87					label = "VOL+";
88					gpios = <&iofpga_gpio0 3 0x4>;
89				};
90				vol-down-button {
91					debounce_interval = <50>;
92					wakeup-source;
93					linux,code = <114>;
94					label = "VOL-";
95					gpios = <&iofpga_gpio0 4 0x4>;
96				};
97				nmi-button {
98					debounce_interval = <50>;
99					wakeup-source;
100					linux,code = <99>;
101					label = "NMI";
102					gpios = <&iofpga_gpio0 5 0x4>;
103				};
104			};
105
106			flash@0,00000000 {
107				/* 2 * 32MiB NOR Flash memory mounted on CS0 */
108				compatible = "arm,vexpress-flash", "cfi-flash";
109				linux,part-probe = "afs";
110				reg = <0 0x00000000 0x04000000>;
111				bank-width = <4>;
112				/*
113				 * Unfortunately, accessing the flash disturbs
114				 * the CPU idle states (suspend) and CPU
115				 * hotplug of the platform. For this reason,
116				 * flash hardware access is disabled by default.
117				 */
118				status = "disabled";
119			};
120
121			ethernet@2,00000000 {
122				compatible = "smsc,lan9118", "smsc,lan9115";
123				reg = <2 0x00000000 0x10000>;
124				interrupts = <3>;
125				phy-mode = "mii";
126				reg-io-width = <4>;
127				smsc,irq-active-high;
128				smsc,irq-push-pull;
129				clocks = <&mb_clk25mhz>;
130				vdd33a-supply = <&mb_fixed_3v3>;
131				vddvario-supply = <&mb_fixed_3v3>;
132			};
133
134			iofpga@3,00000000 {
135				compatible = "simple-bus";
136				#address-cells = <1>;
137				#size-cells = <1>;
138				ranges = <0 3 0 0x200000>;
139
140				v2m_sysctl: sysctl@020000 {
141					compatible = "arm,sp810", "arm,primecell";
142					reg = <0x020000 0x1000>;
143					clocks = <&v2m_refclk32khz>, <&v2m_refclk1mhz>, <&mb_clk24mhz>;
144					clock-names = "refclk", "timclk", "apb_pclk";
145					#clock-cells = <1>;
146					clock-output-names = "timerclken0", "timerclken1", "timerclken2", "timerclken3";
147					assigned-clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&v2m_sysctl 3>, <&v2m_sysctl 3>;
148					assigned-clock-parents = <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>;
149				};
150
151				apbregs@010000 {
152					compatible = "syscon", "simple-mfd";
153					reg = <0x010000 0x1000>;
154
155					led0 {
156						compatible = "register-bit-led";
157						offset = <0x08>;
158						mask = <0x01>;
159						label = "vexpress:0";
160						linux,default-trigger = "heartbeat";
161						default-state = "on";
162					};
163					led1 {
164						compatible = "register-bit-led";
165						offset = <0x08>;
166						mask = <0x02>;
167						label = "vexpress:1";
168						linux,default-trigger = "mmc0";
169						default-state = "off";
170					};
171					led2 {
172						compatible = "register-bit-led";
173						offset = <0x08>;
174						mask = <0x04>;
175						label = "vexpress:2";
176						linux,default-trigger = "cpu0";
177						default-state = "off";
178					};
179					led3 {
180						compatible = "register-bit-led";
181						offset = <0x08>;
182						mask = <0x08>;
183						label = "vexpress:3";
184						linux,default-trigger = "cpu1";
185						default-state = "off";
186					};
187					led4 {
188						compatible = "register-bit-led";
189						offset = <0x08>;
190						mask = <0x10>;
191						label = "vexpress:4";
192						linux,default-trigger = "cpu2";
193						default-state = "off";
194					};
195					led5 {
196						compatible = "register-bit-led";
197						offset = <0x08>;
198						mask = <0x20>;
199						label = "vexpress:5";
200						linux,default-trigger = "cpu3";
201						default-state = "off";
202					};
203					led6 {
204						compatible = "register-bit-led";
205						offset = <0x08>;
206						mask = <0x40>;
207						label = "vexpress:6";
208						default-state = "off";
209					};
210					led7 {
211						compatible = "register-bit-led";
212						offset = <0x08>;
213						mask = <0x80>;
214						label = "vexpress:7";
215						default-state = "off";
216					};
217				};
218
219				mmci@050000 {
220					compatible = "arm,pl180", "arm,primecell";
221					reg = <0x050000 0x1000>;
222					interrupts = <5>;
223					/* cd-gpios = <&v2m_mmc_gpios 0 0>;
224					wp-gpios = <&v2m_mmc_gpios 1 0>; */
225					max-frequency = <12000000>;
226					vmmc-supply = <&mb_fixed_3v3>;
227					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
228					clock-names = "mclk", "apb_pclk";
229				};
230
231				kmi@060000 {
232					compatible = "arm,pl050", "arm,primecell";
233					reg = <0x060000 0x1000>;
234					interrupts = <8>;
235					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
236					clock-names = "KMIREFCLK", "apb_pclk";
237				};
238
239				kmi@070000 {
240					compatible = "arm,pl050", "arm,primecell";
241					reg = <0x070000 0x1000>;
242					interrupts = <8>;
243					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
244					clock-names = "KMIREFCLK", "apb_pclk";
245				};
246
247				wdt@0f0000 {
248					compatible = "arm,sp805", "arm,primecell";
249					reg = <0x0f0000 0x10000>;
250					interrupts = <7>;
251					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
252					clock-names = "wdogclk", "apb_pclk";
253				};
254
255				v2m_timer01: timer@110000 {
256					compatible = "arm,sp804", "arm,primecell";
257					reg = <0x110000 0x10000>;
258					interrupts = <9>;
259					clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&mb_clk24mhz>;
260					clock-names = "timclken1", "timclken2", "apb_pclk";
261				};
262
263				v2m_timer23: timer@120000 {
264					compatible = "arm,sp804", "arm,primecell";
265					reg = <0x120000 0x10000>;
266					interrupts = <9>;
267					clocks = <&v2m_sysctl 2>, <&v2m_sysctl 3>, <&mb_clk24mhz>;
268					clock-names = "timclken1", "timclken2", "apb_pclk";
269				};
270
271				rtc@170000 {
272					compatible = "arm,pl031", "arm,primecell";
273					reg = <0x170000 0x10000>;
274					interrupts = <0>;
275					clocks = <&soc_smc50mhz>;
276					clock-names = "apb_pclk";
277				};
278
279				iofpga_gpio0: gpio@1d0000 {
280					compatible = "arm,pl061", "arm,primecell";
281					reg = <0x1d0000 0x1000>;
282					interrupts = <6>;
283					clocks = <&soc_smc50mhz>;
284					clock-names = "apb_pclk";
285					gpio-controller;
286					#gpio-cells = <2>;
287					interrupt-controller;
288					#interrupt-cells = <2>;
289				};
290			};
291		};
292