xref: /linux/arch/arm/boot/dts/nspire/nspire.dtsi (revision 4b132aacb0768ac1e652cf517097ea6f237214b9) 
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 *  Copyright (C) 2013 Daniel Tang <tangrs@tangrs.id.au>
4 */
5
6/ {
7	#address-cells = <1>;
8	#size-cells = <1>;
9	interrupt-parent = <&intc>;
10
11	cpus {
12		#address-cells = <1>;
13		#size-cells = <0>;
14
15		cpu@0 {
16			compatible = "arm,arm926ej-s";
17			device_type = "cpu";
18			reg = <0>;
19		};
20	};
21
22	bootrom: bootrom@0 {
23		reg = <0x00000000 0x80000>;
24	};
25
26	sram: sram@a4000000 {
27		compatible = "mmio-sram";
28		reg = <0xa4000000 0x20000>; /* 128k */
29		#address-cells = <1>;
30		#size-cells = <1>;
31		ranges = <0 0xa4000000 0x20000>;
32
33		sram@0 {
34			reg = <0x0 0x20000>;
35		};
36	};
37
38	timer_clk: timer_clk {
39		#clock-cells = <0>;
40		compatible = "fixed-clock";
41		clock-frequency = <32768>;
42	};
43
44	base_clk: base_clk {
45		#clock-cells = <0>;
46		reg = <0x900b0024 0x4>;
47	};
48
49	ahb_clk: ahb_clk {
50		#clock-cells = <0>;
51		reg = <0x900b0024 0x4>;
52		clocks = <&base_clk>;
53	};
54
55	apb_pclk: apb_pclk {
56		#clock-cells = <0>;
57		compatible = "fixed-factor-clock";
58		clock-div = <2>;
59		clock-mult = <1>;
60		clocks = <&ahb_clk>;
61	};
62
63	usb_phy: usb_phy {
64		compatible = "usb-nop-xceiv";
65		#phy-cells = <0>;
66	};
67
68	vbus_reg: vbus_reg {
69		compatible = "regulator-fixed";
70
71		regulator-name = "USB VBUS output";
72
73		regulator-min-microvolt = <5000000>;
74		regulator-max-microvolt = <5000000>;
75	};
76
77	ahb {
78		compatible = "simple-bus";
79		#address-cells = <1>;
80		#size-cells = <1>;
81		ranges;
82
83		spi: spi@a9000000 {
84			reg = <0xa9000000 0x1000>;
85		};
86
87		usb0: usb@b0000000 {
88			compatible = "lsi,zevio-usb";
89			reg = <0xb0000000 0x1000>;
90			interrupts = <8>;
91
92			usb-phy = <&usb_phy>;
93			vbus-supply = <&vbus_reg>;
94		};
95
96		usb1: usb@b4000000 {
97			reg = <0xb4000000 0x1000>;
98			interrupts = <9>;
99			status = "disabled";
100		};
101
102		lcd: lcd@c0000000 {
103			compatible = "arm,pl111", "arm,primecell";
104			reg = <0xc0000000 0x1000>;
105			interrupts = <21>;
106
107			/*
108			 * We assume the same clock is fed to APB and CLCDCLK.
109			 * There is some code to scale the clock down by a factor
110			 * 48 for the display so likely the frequency to the
111			 * display is 1MHz and the CLCDCLK is 48 MHz.
112			 */
113			clocks = <&apb_pclk>, <&apb_pclk>;
114			clock-names = "clcdclk", "apb_pclk";
115		};
116
117		adc: adc@c4000000 {
118			reg = <0xc4000000 0x1000>;
119			interrupts = <11>;
120		};
121
122		tdes: crypto@c8010000 {
123			reg = <0xc8010000 0x1000>;
124		};
125
126		sha256: crypto@cc000000 {
127			reg = <0xcc000000 0x1000>;
128		};
129
130		apb@90000000 {
131			compatible = "simple-bus";
132			#address-cells = <1>;
133			#size-cells = <1>;
134			clock-ranges;
135			ranges;
136
137			gpio: gpio@90000000 {
138				compatible = "lsi,zevio-gpio";
139				reg = <0x90000000 0x1000>;
140				interrupts = <7>;
141				gpio-controller;
142				#gpio-cells = <2>;
143			};
144
145			fast_timer: timer@90010000 {
146				reg = <0x90010000 0x1000>;
147				interrupts = <17>;
148			};
149
150			uart: serial@90020000 {
151				reg = <0x90020000 0x1000>;
152				interrupts = <1>;
153			};
154
155			timer0: timer@900c0000 {
156				reg = <0x900c0000 0x1000>;
157				clocks = <&timer_clk>, <&timer_clk>,
158					 <&timer_clk>;
159				clock-names = "timer0clk", "timer1clk",
160					      "apb_pclk";
161			};
162
163			timer1: timer@900d0000 {
164				reg = <0x900d0000 0x1000>;
165				interrupts = <19>;
166				clocks = <&timer_clk>, <&timer_clk>,
167					 <&timer_clk>;
168				clock-names = "timer0clk", "timer1clk",
169					      "apb_pclk";
170			};
171
172			watchdog: watchdog@90060000 {
173				compatible = "arm,sp805", "arm,primecell";
174				reg = <0x90060000 0x1000>;
175				interrupts = <3>;
176				clocks = <&apb_pclk>, <&apb_pclk>;
177				clock-names = "wdog_clk", "apb_pclk";
178				status = "disabled";
179			};
180
181			rtc: rtc@90090000 {
182				reg = <0x90090000 0x1000>;
183				interrupts = <4>;
184			};
185
186			misc: misc@900a0000 {
187				compatible = "ti,nspire-misc", "syscon", "simple-mfd";
188				reg = <0x900a0000 0x1000>;
189
190				reboot {
191					compatible = "syscon-reboot";
192					offset = <0x08>;
193					value = <0x02>;
194				};
195			};
196
197			pwr: pwr@900b0000 {
198				reg = <0x900b0000 0x1000>;
199				interrupts = <15>;
200			};
201
202			keypad: input@900e0000 {
203				compatible = "ti,nspire-keypad";
204				reg = <0x900e0000 0x1000>;
205				interrupts = <16>;
206
207				scan-interval = <1000>;
208				row-delay = <200>;
209
210				clocks = <&apb_pclk>;
211			};
212
213			contrast: contrast@900f0000 {
214				reg = <0x900f0000 0x1000>;
215			};
216
217			led: led@90110000 {
218				reg = <0x90110000 0x1000>;
219			};
220		};
221	};
222};
223