xref: /linux/arch/arm64/boot/dts/arm/juno-motherboard.dtsi (revision a4eb44a6435d6d8f9e642407a4a06f65eb90ca04)
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/ {
11	mb_clk24mhz: clk24mhz {
12		compatible = "fixed-clock";
13		#clock-cells = <0>;
14		clock-frequency = <24000000>;
15		clock-output-names = "juno_mb:clk24mhz";
16	};
17
18	mb_clk25mhz: clk25mhz {
19		compatible = "fixed-clock";
20		#clock-cells = <0>;
21		clock-frequency = <25000000>;
22		clock-output-names = "juno_mb:clk25mhz";
23	};
24
25	v2m_refclk1mhz: refclk1mhz {
26		compatible = "fixed-clock";
27		#clock-cells = <0>;
28		clock-frequency = <1000000>;
29		clock-output-names = "juno_mb:refclk1mhz";
30	};
31
32	v2m_refclk32khz: refclk32khz {
33		compatible = "fixed-clock";
34		#clock-cells = <0>;
35		clock-frequency = <32768>;
36		clock-output-names = "juno_mb:refclk32khz";
37	};
38
39	mb_fixed_3v3: mcc-sb-3v3 {
40		compatible = "regulator-fixed";
41		regulator-name = "MCC_SB_3V3";
42		regulator-min-microvolt = <3300000>;
43		regulator-max-microvolt = <3300000>;
44		regulator-always-on;
45	};
46
47	gpio-keys {
48		compatible = "gpio-keys";
49
50		power-button {
51			debounce-interval = <50>;
52			wakeup-source;
53			linux,code = <116>;
54			label = "POWER";
55			gpios = <&iofpga_gpio0 0 0x4>;
56		};
57		home-button {
58			debounce-interval = <50>;
59			wakeup-source;
60			linux,code = <102>;
61			label = "HOME";
62			gpios = <&iofpga_gpio0 1 0x4>;
63		};
64		rlock-button {
65			debounce-interval = <50>;
66			wakeup-source;
67			linux,code = <152>;
68			label = "RLOCK";
69			gpios = <&iofpga_gpio0 2 0x4>;
70		};
71		vol-up-button {
72			debounce-interval = <50>;
73			wakeup-source;
74			linux,code = <115>;
75			label = "VOL+";
76			gpios = <&iofpga_gpio0 3 0x4>;
77		};
78		vol-down-button {
79			debounce-interval = <50>;
80			wakeup-source;
81			linux,code = <114>;
82			label = "VOL-";
83			gpios = <&iofpga_gpio0 4 0x4>;
84		};
85		nmi-button {
86			debounce-interval = <50>;
87			wakeup-source;
88			linux,code = <99>;
89			label = "NMI";
90			gpios = <&iofpga_gpio0 5 0x4>;
91		};
92	};
93
94	bus@8000000 {
95		compatible = "simple-bus";
96		#address-cells = <2>;
97		#size-cells = <1>;
98		ranges = <0 0x8000000 0 0x8000000 0x18000000>;
99
100		motherboard-bus@8000000 {
101			compatible = "arm,vexpress,v2p-p1", "simple-bus";
102			#address-cells = <2>;  /* SMB chipselect number and offset */
103			#size-cells = <1>;
104			ranges = <0 0 0 0x08000000 0x04000000>,
105				 <1 0 0 0x14000000 0x04000000>,
106				 <2 0 0 0x18000000 0x04000000>,
107				 <3 0 0 0x1c000000 0x04000000>,
108				 <4 0 0 0x0c000000 0x04000000>,
109				 <5 0 0 0x10000000 0x04000000>;
110			arm,hbi = <0x252>;
111			arm,vexpress,site = <0>;
112
113			flash@0 {
114				/* 2 * 32MiB NOR Flash memory mounted on CS0 */
115				compatible = "arm,vexpress-flash", "cfi-flash";
116				reg = <0 0x00000000 0x04000000>;
117				bank-width = <4>;
118				/*
119				 * Unfortunately, accessing the flash disturbs
120				 * the CPU idle states (suspend) and CPU
121				 * hotplug of the platform. For this reason,
122				 * flash hardware access is disabled by default.
123				 */
124				status = "disabled";
125				partitions {
126					compatible = "arm,arm-firmware-suite";
127				};
128			};
129
130			ethernet@200000000 {
131				compatible = "smsc,lan9118", "smsc,lan9115";
132				reg = <2 0x00000000 0x10000>;
133				interrupts = <3>;
134				phy-mode = "mii";
135				reg-io-width = <4>;
136				smsc,irq-active-high;
137				smsc,irq-push-pull;
138				clocks = <&mb_clk25mhz>;
139				vdd33a-supply = <&mb_fixed_3v3>;
140				vddvario-supply = <&mb_fixed_3v3>;
141			};
142
143			iofpga-bus@300000000 {
144				compatible = "simple-bus";
145				#address-cells = <1>;
146				#size-cells = <1>;
147				ranges = <0 3 0 0x200000>;
148
149				v2m_sysctl: sysctl@20000 {
150					compatible = "arm,sp810", "arm,primecell";
151					reg = <0x020000 0x1000>;
152					clocks = <&v2m_refclk32khz>, <&v2m_refclk1mhz>, <&mb_clk24mhz>;
153					clock-names = "refclk", "timclk", "apb_pclk";
154					#clock-cells = <1>;
155					clock-output-names = "timerclken0", "timerclken1", "timerclken2", "timerclken3";
156					assigned-clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&v2m_sysctl 3>, <&v2m_sysctl 3>;
157					assigned-clock-parents = <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>, <&v2m_refclk1mhz>;
158				};
159
160				apbregs@10000 {
161					compatible = "syscon", "simple-mfd";
162					reg = <0x010000 0x1000>;
163					ranges = <0x0 0x10000 0x1000>;
164					#address-cells = <1>;
165					#size-cells = <1>;
166
167					led@8,0 {
168						compatible = "register-bit-led";
169						reg = <0x08 0x04>;
170						offset = <0x08>;
171						mask = <0x01>;
172						label = "vexpress:0";
173						linux,default-trigger = "heartbeat";
174						default-state = "on";
175					};
176					led@8,1 {
177						compatible = "register-bit-led";
178						reg = <0x08 0x04>;
179						offset = <0x08>;
180						mask = <0x02>;
181						label = "vexpress:1";
182						linux,default-trigger = "mmc0";
183						default-state = "off";
184					};
185					led@8,2 {
186						compatible = "register-bit-led";
187						reg = <0x08 0x04>;
188						offset = <0x08>;
189						mask = <0x04>;
190						label = "vexpress:2";
191						linux,default-trigger = "cpu0";
192						default-state = "off";
193					};
194					led@8,3 {
195						compatible = "register-bit-led";
196						reg = <0x08 0x04>;
197						offset = <0x08>;
198						mask = <0x08>;
199						label = "vexpress:3";
200						linux,default-trigger = "cpu1";
201						default-state = "off";
202					};
203					led@8,4 {
204						compatible = "register-bit-led";
205						reg = <0x08 0x04>;
206						offset = <0x08>;
207						mask = <0x10>;
208						label = "vexpress:4";
209						linux,default-trigger = "cpu2";
210						default-state = "off";
211					};
212					led@8,5 {
213						compatible = "register-bit-led";
214						reg = <0x08 0x04>;
215						offset = <0x08>;
216						mask = <0x20>;
217						label = "vexpress:5";
218						linux,default-trigger = "cpu3";
219						default-state = "off";
220					};
221					led@8,6 {
222						compatible = "register-bit-led";
223						reg = <0x08 0x04>;
224						offset = <0x08>;
225						mask = <0x40>;
226						label = "vexpress:6";
227						default-state = "off";
228					};
229					led@8,7 {
230						compatible = "register-bit-led";
231						reg = <0x08 0x04>;
232						offset = <0x08>;
233						mask = <0x80>;
234						label = "vexpress:7";
235						default-state = "off";
236					};
237				};
238
239				mmc@50000 {
240					compatible = "arm,pl180", "arm,primecell";
241					reg = <0x050000 0x1000>;
242					interrupts = <5>;
243					/* cd-gpios = <&v2m_mmc_gpios 0 0>;
244					wp-gpios = <&v2m_mmc_gpios 1 0>; */
245					max-frequency = <12000000>;
246					vmmc-supply = <&mb_fixed_3v3>;
247					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
248					clock-names = "mclk", "apb_pclk";
249				};
250
251				kmi@60000 {
252					compatible = "arm,pl050", "arm,primecell";
253					reg = <0x060000 0x1000>;
254					interrupts = <8>;
255					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
256					clock-names = "KMIREFCLK", "apb_pclk";
257				};
258
259				kmi@70000 {
260					compatible = "arm,pl050", "arm,primecell";
261					reg = <0x070000 0x1000>;
262					interrupts = <8>;
263					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
264					clock-names = "KMIREFCLK", "apb_pclk";
265				};
266
267				watchdog@f0000 {
268					compatible = "arm,sp805", "arm,primecell";
269					reg = <0x0f0000 0x10000>;
270					interrupts = <7>;
271					clocks = <&mb_clk24mhz>, <&soc_smc50mhz>;
272					clock-names = "wdog_clk", "apb_pclk";
273				};
274
275				v2m_timer01: timer@110000 {
276					compatible = "arm,sp804", "arm,primecell";
277					reg = <0x110000 0x10000>;
278					interrupts = <9>;
279					clocks = <&v2m_sysctl 0>, <&v2m_sysctl 1>, <&mb_clk24mhz>;
280					clock-names = "timclken1", "timclken2", "apb_pclk";
281				};
282
283				v2m_timer23: timer@120000 {
284					compatible = "arm,sp804", "arm,primecell";
285					reg = <0x120000 0x10000>;
286					interrupts = <9>;
287					clocks = <&v2m_sysctl 2>, <&v2m_sysctl 3>, <&mb_clk24mhz>;
288					clock-names = "timclken1", "timclken2", "apb_pclk";
289				};
290
291				rtc@170000 {
292					compatible = "arm,pl031", "arm,primecell";
293					reg = <0x170000 0x10000>;
294					interrupts = <0>;
295					clocks = <&soc_smc50mhz>;
296					clock-names = "apb_pclk";
297				};
298
299				iofpga_gpio0: gpio@1d0000 {
300					compatible = "arm,pl061", "arm,primecell";
301					reg = <0x1d0000 0x1000>;
302					interrupts = <6>;
303					clocks = <&soc_smc50mhz>;
304					clock-names = "apb_pclk";
305					gpio-controller;
306					#gpio-cells = <2>;
307					interrupt-controller;
308					#interrupt-cells = <2>;
309				};
310			};
311		};
312	};
313};
314