1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Samsung's Exynos4210 based Origen board device tree source
4 *
5 * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
6 *		http://www.samsung.com
7 * Copyright (c) 2010-2011 Linaro Ltd.
8 *		www.linaro.org
9 *
10 * Device tree source file for Insignal's Origen board which is based on
11 * Samsung's Exynos4210 SoC.
12 */
13
14/dts-v1/;
15#include "exynos4210.dtsi"
16#include <dt-bindings/gpio/gpio.h>
17#include <dt-bindings/input/input.h>
18#include "exynos-mfc-reserved-memory.dtsi"
19
20/ {
21	model = "Insignal Origen evaluation board based on Exynos4210";
22	compatible = "insignal,origen", "samsung,exynos4210", "samsung,exynos4";
23
24	memory@40000000 {
25		device_type = "memory";
26		reg = <0x40000000 0x10000000
27		       0x50000000 0x10000000
28		       0x60000000 0x10000000
29		       0x70000000 0x10000000>;
30	};
31
32	chosen {
33		bootargs = "root=/dev/ram0 rw ramdisk=8192 initrd=0x41000000,8M init=/linuxrc";
34		stdout-path = "serial2:115200n8";
35	};
36
37	mmc_reg: voltage-regulator {
38		compatible = "regulator-fixed";
39		regulator-name = "VMEM_VDD_2.8V";
40		regulator-min-microvolt = <2800000>;
41		regulator-max-microvolt = <2800000>;
42		gpio = <&gpx1 1 GPIO_ACTIVE_HIGH>;
43		enable-active-high;
44	};
45
46	gpio_keys {
47		compatible = "gpio-keys";
48
49		up {
50			label = "Up";
51			gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
52			linux,code = <KEY_UP>;
53			wakeup-source;
54		};
55
56		down {
57			label = "Down";
58			gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
59			linux,code = <KEY_DOWN>;
60			wakeup-source;
61		};
62
63		back {
64			label = "Back";
65			gpios = <&gpx1 7 GPIO_ACTIVE_LOW>;
66			linux,code = <KEY_BACK>;
67			wakeup-source;
68		};
69
70		home {
71			label = "Home";
72			gpios = <&gpx1 6 GPIO_ACTIVE_LOW>;
73			linux,code = <KEY_HOME>;
74			wakeup-source;
75		};
76
77		menu {
78			label = "Menu";
79			gpios = <&gpx1 5 GPIO_ACTIVE_LOW>;
80			linux,code = <KEY_MENU>;
81			wakeup-source;
82		};
83	};
84
85	leds {
86		compatible = "gpio-leds";
87		status {
88			gpios = <&gpx1 3 GPIO_ACTIVE_LOW>;
89			linux,default-trigger = "heartbeat";
90		};
91	};
92
93	fixed-rate-clocks {
94		xxti {
95			compatible = "samsung,clock-xxti";
96			clock-frequency = <0>;
97		};
98
99		xusbxti {
100			compatible = "samsung,clock-xusbxti";
101			clock-frequency = <24000000>;
102		};
103	};
104
105	display-timings {
106		native-mode = <&timing0>;
107		timing0: timing {
108			clock-frequency = <47500000>;
109			hactive = <1024>;
110			vactive = <600>;
111			hfront-porch = <64>;
112			hback-porch = <16>;
113			hsync-len = <48>;
114			vback-porch = <64>;
115			vfront-porch = <16>;
116			vsync-len = <3>;
117		};
118	};
119};
120
121&cpu0 {
122	cpu0-supply = <&buck1_reg>;
123};
124
125&exynos_usbphy {
126	status = "okay";
127};
128
129&fimd {
130	pinctrl-0 = <&lcd_en &lcd_clk &lcd_data24 &pwm0_out>;
131	pinctrl-names = "default";
132	status = "okay";
133};
134
135&gpu {
136	mali-supply = <&buck3_reg>;
137	status = "okay";
138};
139
140&hsotg {
141	vusb_d-supply = <&ldo3_reg>;
142	vusb_a-supply = <&ldo8_reg>;
143	dr_mode = "peripheral";
144	status = "okay";
145};
146
147&i2c_0 {
148	status = "okay";
149	samsung,i2c-sda-delay = <100>;
150	samsung,i2c-max-bus-freq = <20000>;
151	pinctrl-0 = <&i2c0_bus>;
152	pinctrl-names = "default";
153
154	max8997_pmic@66 {
155		compatible = "maxim,max8997-pmic";
156		reg = <0x66>;
157		interrupt-parent = <&gpx0>;
158		interrupts = <4 IRQ_TYPE_NONE>, <3 IRQ_TYPE_NONE>;
159		pinctrl-names = "default";
160		pinctrl-0 = <&max8997_irq>;
161
162		max8997,pmic-buck1-dvs-voltage = <1350000>;
163		max8997,pmic-buck2-dvs-voltage = <1100000>;
164		max8997,pmic-buck5-dvs-voltage = <1200000>;
165
166		regulators {
167			ldo1_reg: LDO1 {
168				regulator-name = "VDD_ABB_3.3V";
169				regulator-min-microvolt = <3300000>;
170				regulator-max-microvolt = <3300000>;
171			};
172
173			ldo2_reg: LDO2 {
174				regulator-name = "VDD_ALIVE_1.1V";
175				regulator-min-microvolt = <1100000>;
176				regulator-max-microvolt = <1100000>;
177				regulator-always-on;
178			};
179
180			ldo3_reg: LDO3 {
181				regulator-name = "VMIPI_1.1V";
182				regulator-min-microvolt = <1100000>;
183				regulator-max-microvolt = <1100000>;
184			};
185
186			ldo4_reg: LDO4 {
187				regulator-name = "VDD_RTC_1.8V";
188				regulator-min-microvolt = <1800000>;
189				regulator-max-microvolt	= <1800000>;
190				regulator-always-on;
191			};
192
193			ldo6_reg: LDO6 {
194				regulator-name = "VMIPI_1.8V";
195				regulator-min-microvolt = <1800000>;
196				regulator-max-microvolt	= <1800000>;
197				regulator-always-on;
198			};
199
200			ldo7_reg: LDO7 {
201				regulator-name = "VDD_AUD_1.8V";
202				regulator-min-microvolt = <1800000>;
203				regulator-max-microvolt	= <1800000>;
204			};
205
206			ldo8_reg: LDO8 {
207				regulator-name = "VADC_3.3V";
208				regulator-min-microvolt = <3300000>;
209				regulator-max-microvolt	= <3300000>;
210			};
211
212			ldo9_reg: LDO9 {
213				regulator-name = "DVDD_SWB_2.8V";
214				regulator-min-microvolt = <2800000>;
215				regulator-max-microvolt	= <2800000>;
216				regulator-always-on;
217			};
218
219			ldo10_reg: LDO10 {
220				regulator-name = "VDD_PLL_1.1V";
221				regulator-min-microvolt = <1100000>;
222				regulator-max-microvolt	= <1100000>;
223				regulator-always-on;
224			};
225
226			ldo11_reg: LDO11 {
227				regulator-name = "VDD_AUD_3V";
228				regulator-min-microvolt = <3000000>;
229				regulator-max-microvolt	= <3000000>;
230			};
231
232			ldo14_reg: LDO14 {
233				regulator-name = "AVDD18_SWB_1.8V";
234				regulator-min-microvolt = <1800000>;
235				regulator-max-microvolt	= <1800000>;
236				regulator-always-on;
237			};
238
239			ldo17_reg: LDO17 {
240				regulator-name = "VDD_SWB_3.3V";
241				regulator-min-microvolt = <3300000>;
242				regulator-max-microvolt	= <3300000>;
243				regulator-always-on;
244			};
245
246			ldo21_reg: LDO21 {
247				regulator-name = "VDD_MIF_1.2V";
248				regulator-min-microvolt = <1200000>;
249				regulator-max-microvolt	= <1200000>;
250				regulator-always-on;
251			};
252
253			buck1_reg: BUCK1 {
254				/*
255				* HACK: The real name is VDD_ARM_1.2V,
256				* but exynos-cpufreq does not support
257				* DT-based regulator lookup yet.
258				*/
259				regulator-name = "vdd_arm";
260				regulator-min-microvolt = <950000>;
261				regulator-max-microvolt	= <1350000>;
262				regulator-always-on;
263				regulator-boot-on;
264			};
265
266			buck2_reg: BUCK2 {
267				regulator-name = "VDD_INT_1.1V";
268				regulator-min-microvolt = <900000>;
269				regulator-max-microvolt	= <1100000>;
270				regulator-always-on;
271				regulator-boot-on;
272			};
273
274			buck3_reg: BUCK3 {
275				regulator-name = "VDD_G3D_1.1V";
276				regulator-min-microvolt = <900000>;
277				regulator-max-microvolt = <1100000>;
278			};
279
280			buck5_reg: BUCK5 {
281				regulator-name = "VDDQ_M1M2_1.2V";
282				regulator-min-microvolt = <1200000>;
283				regulator-max-microvolt = <1200000>;
284				regulator-always-on;
285			};
286
287			buck7_reg: BUCK7 {
288				regulator-name = "VDD_LCD_3.3V";
289				regulator-min-microvolt = <3300000>;
290				regulator-max-microvolt = <3300000>;
291				regulator-boot-on;
292				regulator-always-on;
293			};
294		};
295	};
296};
297
298&pinctrl_1 {
299	max8997_irq: max8997-irq {
300		samsung,pins = "gpx0-3", "gpx0-4";
301		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
302	};
303};
304
305&sdhci_0 {
306	bus-width = <4>;
307	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus4 &sd0_cd>;
308	pinctrl-names = "default";
309	vmmc-supply = <&mmc_reg>;
310	status = "okay";
311};
312
313&sdhci_2 {
314	bus-width = <4>;
315	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4 &sd2_cd>;
316	pinctrl-names = "default";
317	vmmc-supply = <&mmc_reg>;
318	status = "okay";
319};
320
321&serial_0 {
322	status = "okay";
323};
324
325&serial_1 {
326	status = "okay";
327};
328
329&serial_2 {
330	status = "okay";
331};
332
333&serial_3 {
334	status = "okay";
335};
336
337&rtc {
338	status = "okay";
339};
340
341&tmu {
342	status = "okay";
343};
344