1// SPDX-License-Identifier: GPL-2.0
2/*
3 * Samsung's Exynos4210 based Universal C210 board device tree source
4 *
5 * Copyright (c) 2012-2013 Samsung Electronics Co., Ltd.
6 *		http://www.samsung.com
7 *
8 * Device tree source file for Samsung's Universal C210 board which is based on
9 * Samsung's Exynos4210 rev0 SoC.
10 */
11
12/dts-v1/;
13#include "exynos4210.dtsi"
14#include <dt-bindings/gpio/gpio.h>
15
16/ {
17	model = "Samsung Universal C210 based on Exynos4210 rev0";
18	compatible = "samsung,universal_c210", "samsung,exynos4210", "samsung,exynos4";
19
20	memory@40000000 {
21		device_type = "memory";
22		reg =  <0x40000000 0x10000000
23			0x50000000 0x10000000>;
24	};
25
26	chosen {
27		bootargs = "root=/dev/mmcblk0p5 rw rootwait earlyprintk panic=5 maxcpus=1";
28		stdout-path = "serial2:115200n8";
29	};
30
31
32	fixed-rate-clocks {
33		xxti {
34			compatible = "samsung,clock-xxti";
35			clock-frequency = <0>;
36		};
37
38		xusbxti {
39			compatible = "samsung,clock-xusbxti";
40			clock-frequency = <24000000>;
41		};
42	};
43
44	vemmc_reg: voltage-regulator {
45	        compatible = "regulator-fixed";
46		regulator-name = "VMEM_VDD_2_8V";
47		regulator-min-microvolt = <2800000>;
48		regulator-max-microvolt = <2800000>;
49		gpio = <&gpe1 3 GPIO_ACTIVE_HIGH>;
50		enable-active-high;
51	};
52
53	gpio-keys {
54		compatible = "gpio-keys";
55
56		vol-up-key {
57			gpios = <&gpx2 0 GPIO_ACTIVE_LOW>;
58			linux,code = <115>;
59			label = "volume up";
60			debounce-interval = <1>;
61		};
62
63		vol-down-key {
64			gpios = <&gpx2 1 GPIO_ACTIVE_LOW>;
65			linux,code = <114>;
66			label = "volume down";
67			debounce-interval = <1>;
68		};
69
70		config-key {
71			gpios = <&gpx2 2 GPIO_ACTIVE_LOW>;
72			linux,code = <171>;
73			label = "config";
74			debounce-interval = <1>;
75			wakeup-source;
76		};
77
78		camera-key {
79			gpios = <&gpx2 3 GPIO_ACTIVE_LOW>;
80			linux,code = <212>;
81			label = "camera";
82			debounce-interval = <1>;
83		};
84
85		power-key {
86			gpios = <&gpx2 7 GPIO_ACTIVE_LOW>;
87			linux,code = <116>;
88			label = "power";
89			debounce-interval = <1>;
90			wakeup-source;
91		};
92
93		ok-key {
94			gpios = <&gpx3 5 GPIO_ACTIVE_LOW>;
95			linux,code = <352>;
96			label = "ok";
97			debounce-interval = <1>;
98		};
99	};
100
101	tsp_reg: voltage-regulator {
102	        compatible = "regulator-fixed";
103		regulator-name = "TSP_2_8V";
104		regulator-min-microvolt = <2800000>;
105		regulator-max-microvolt = <2800000>;
106		gpio = <&gpe2 3 GPIO_ACTIVE_HIGH>;
107		enable-active-high;
108	};
109
110	spi-lcd {
111		compatible = "spi-gpio";
112		#address-cells = <1>;
113		#size-cells = <0>;
114
115		gpio-sck = <&gpy3 1 GPIO_ACTIVE_HIGH>;
116		gpio-mosi = <&gpy3 3 GPIO_ACTIVE_HIGH>;
117		num-chipselects = <1>;
118		cs-gpios = <&gpy4 3 GPIO_ACTIVE_HIGH>;
119
120		lcd@0 {
121			compatible = "samsung,ld9040";
122			reg = <0>;
123			vdd3-supply = <&ldo7_reg>;
124			vci-supply = <&ldo17_reg>;
125			reset-gpios = <&gpy4 5 GPIO_ACTIVE_HIGH>;
126			spi-max-frequency = <1200000>;
127			spi-cpol;
128			spi-cpha;
129			power-on-delay = <10>;
130			reset-delay = <10>;
131			panel-width-mm = <90>;
132			panel-height-mm = <154>;
133			display-timings {
134				timing {
135					clock-frequency = <23492370>;
136					hactive = <480>;
137					vactive = <800>;
138					hback-porch = <16>;
139					hfront-porch = <16>;
140					vback-porch = <2>;
141					vfront-porch = <28>;
142					hsync-len = <2>;
143					vsync-len = <1>;
144					hsync-active = <0>;
145					vsync-active = <0>;
146					de-active = <0>;
147					pixelclk-active = <0>;
148				};
149			};
150			port {
151				lcd_ep: endpoint {
152					remote-endpoint = <&fimd_dpi_ep>;
153				};
154			};
155		};
156	};
157
158	hdmi_en: voltage-regulator-hdmi-5v {
159		compatible = "regulator-fixed";
160		regulator-name = "HDMI_5V";
161		regulator-min-microvolt = <5000000>;
162		regulator-max-microvolt = <5000000>;
163		gpio = <&gpe0 1 GPIO_ACTIVE_HIGH>;
164		enable-active-high;
165	};
166
167	hdmi_ddc: i2c-ddc {
168		compatible = "i2c-gpio";
169		gpios = <&gpe4 2 GPIO_ACTIVE_HIGH &gpe4 3 GPIO_ACTIVE_HIGH>;
170		i2c-gpio,delay-us = <100>;
171		#address-cells = <1>;
172		#size-cells = <0>;
173
174		pinctrl-0 = <&i2c_ddc_bus>;
175		pinctrl-names = "default";
176		status = "okay";
177	};
178};
179
180&amba {
181	mdma0: mdma@12840000 {
182		compatible = "arm,pl330", "arm,primecell";
183		reg = <0x12840000 0x1000>;
184		interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
185		clocks = <&clock CLK_MDMA>;
186		clock-names = "apb_pclk";
187		#dma-cells = <1>;
188		#dma-channels = <8>;
189		#dma-requests = <1>;
190		power-domains = <&pd_lcd0>;
191	};
192};
193
194&camera {
195	status = "okay";
196
197	pinctrl-names = "default";
198	pinctrl-0 = <>;
199};
200
201&cpu0 {
202	cpu0-supply = <&vdd_arm_reg>;
203};
204
205&ehci {
206	status = "okay";
207	phys = <&exynos_usbphy 1>;
208	phy-names = "host";
209};
210
211&exynos_usbphy {
212	status = "okay";
213	vbus-supply = <&safeout1_reg>;
214};
215
216&fimc_0 {
217	status = "okay";
218	assigned-clocks = <&clock CLK_MOUT_FIMC0>,
219			  <&clock CLK_SCLK_FIMC0>;
220	assigned-clock-parents = <&clock CLK_SCLK_MPLL>;
221	assigned-clock-rates = <0>, <160000000>;
222};
223
224&fimc_1 {
225	status = "okay";
226	assigned-clocks = <&clock CLK_MOUT_FIMC1>,
227			  <&clock CLK_SCLK_FIMC1>;
228	assigned-clock-parents = <&clock CLK_SCLK_MPLL>;
229	assigned-clock-rates = <0>, <160000000>;
230};
231
232&fimc_2 {
233	status = "okay";
234	assigned-clocks = <&clock CLK_MOUT_FIMC2>,
235			  <&clock CLK_SCLK_FIMC2>;
236	assigned-clock-parents = <&clock CLK_SCLK_MPLL>;
237	assigned-clock-rates = <0>, <160000000>;
238};
239
240&fimc_3 {
241	status = "okay";
242	assigned-clocks = <&clock CLK_MOUT_FIMC3>,
243			  <&clock CLK_SCLK_FIMC3>;
244	assigned-clock-parents = <&clock CLK_SCLK_MPLL>;
245	assigned-clock-rates = <0>, <160000000>;
246};
247
248&fimd {
249	pinctrl-0 = <&lcd_clk>, <&lcd_data24>;
250	pinctrl-names = "default";
251	status = "okay";
252	samsung,invert-vden;
253	samsung,invert-vclk;
254	#address-cells = <1>;
255	#size-cells = <0>;
256	port@3 {
257		reg = <3>;
258		fimd_dpi_ep: endpoint {
259			remote-endpoint = <&lcd_ep>;
260		};
261	};
262};
263
264&gpu {
265	mali-supply = <&buck2_reg>;
266	status = "okay";
267};
268
269&hdmi {
270	hpd-gpios = <&gpx3 7 GPIO_ACTIVE_HIGH>;
271	pinctrl-names = "default";
272	pinctrl-0 = <&hdmi_hpd>;
273	hdmi-en-supply = <&hdmi_en>;
274	vdd-supply = <&ldo3_reg>;
275	vdd_osc-supply = <&ldo4_reg>;
276	vdd_pll-supply = <&ldo3_reg>;
277	ddc = <&hdmi_ddc>;
278	status = "okay";
279};
280
281&hsotg {
282	vusb_d-supply = <&ldo3_reg>;
283	vusb_a-supply = <&ldo8_reg>;
284	dr_mode = "peripheral";
285	status = "okay";
286};
287
288&i2c_3 {
289	samsung,i2c-sda-delay = <100>;
290	samsung,i2c-slave-addr = <0x10>;
291	samsung,i2c-max-bus-freq = <100000>;
292	pinctrl-0 = <&i2c3_bus>;
293	pinctrl-names = "default";
294	status = "okay";
295
296	tsp@4a {
297		/* TBD: Atmel maXtouch touchscreen */
298		reg = <0x4a>;
299	};
300};
301
302&i2c_5 {
303	samsung,i2c-sda-delay = <100>;
304	samsung,i2c-slave-addr = <0x10>;
305	samsung,i2c-max-bus-freq = <100000>;
306	pinctrl-0 = <&i2c5_bus>;
307	pinctrl-names = "default";
308	status = "okay";
309
310	vdd_arm_reg: pmic@60 {
311		compatible = "maxim,max8952";
312		reg = <0x60>;
313
314		max8952,vid-gpios = <&gpx0 3 GPIO_ACTIVE_HIGH>,
315				    <&gpx0 4 GPIO_ACTIVE_HIGH>;
316		max8952,default-mode = <0>;
317		max8952,dvs-mode-microvolt = <1250000>, <1200000>,
318						<1050000>, <950000>;
319		max8952,sync-freq = <0>;
320		max8952,ramp-speed = <0>;
321
322		regulator-name = "vdd_arm";
323		regulator-min-microvolt = <770000>;
324		regulator-max-microvolt = <1400000>;
325		regulator-always-on;
326		regulator-boot-on;
327	};
328
329	pmic@66 {
330		compatible = "national,lp3974";
331		interrupts-extended = <&gpx0 7 0>, <&gpx2 7 0>;
332		pinctrl-names = "default";
333		pinctrl-0 = <&lp3974_irq>;
334		reg = <0x66>;
335
336		max8998,pmic-buck1-default-dvs-idx = <0>;
337		max8998,pmic-buck1-dvs-gpios = <&gpx0 5 GPIO_ACTIVE_HIGH>,
338						<&gpx0 6 GPIO_ACTIVE_HIGH>;
339		max8998,pmic-buck1-dvs-voltage = <1100000>, <1000000>,
340						<1100000>, <1000000>;
341
342		max8998,pmic-buck2-default-dvs-idx = <0>;
343		max8998,pmic-buck2-dvs-gpio = <&gpe2 0 GPIO_ACTIVE_HIGH>;
344		max8998,pmic-buck2-dvs-voltage = <1200000>, <1100000>;
345
346		regulators {
347			ldo2_reg: LDO2 {
348				regulator-name = "VALIVE_1.2V";
349				regulator-min-microvolt = <1200000>;
350				regulator-max-microvolt = <1200000>;
351				regulator-always-on;
352			};
353
354			ldo3_reg: LDO3 {
355				regulator-name = "VUSB+MIPI_1.1V";
356				regulator-min-microvolt = <1100000>;
357				regulator-max-microvolt = <1100000>;
358				regulator-always-on;
359			};
360
361			ldo4_reg: LDO4 {
362				regulator-name = "VADC_3.3V";
363				regulator-min-microvolt = <3300000>;
364				regulator-max-microvolt = <3300000>;
365			};
366
367			ldo5_reg: LDO5 {
368				regulator-name = "VTF_2.8V";
369				regulator-min-microvolt = <2800000>;
370				regulator-max-microvolt = <2800000>;
371			};
372
373			ldo6_reg: LDO6 {
374				regulator-name = "LDO6";
375				regulator-min-microvolt = <2000000>;
376				regulator-max-microvolt = <2000000>;
377			};
378
379			ldo7_reg: LDO7 {
380				regulator-name = "VLCD+VMIPI_1.8V";
381				regulator-min-microvolt = <1800000>;
382				regulator-max-microvolt = <1800000>;
383			};
384
385			ldo8_reg: LDO8 {
386				regulator-name = "VUSB+VDAC_3.3V";
387				regulator-min-microvolt = <3300000>;
388				regulator-max-microvolt = <3300000>;
389				regulator-always-on;
390			};
391
392			ldo9_reg: LDO9 {
393				regulator-name = "VCC_2.8V";
394				regulator-min-microvolt = <2800000>;
395				regulator-max-microvolt = <2800000>;
396				regulator-always-on;
397			};
398
399			ldo10_reg: LDO10 {
400				regulator-name = "VPLL_1.1V";
401				regulator-min-microvolt = <1100000>;
402				regulator-max-microvolt = <1100000>;
403				regulator-boot-on;
404				regulator-always-on;
405			};
406
407			ldo11_reg: LDO11 {
408				regulator-name = "CAM_AF_3.3V";
409				regulator-min-microvolt = <3300000>;
410				regulator-max-microvolt = <3300000>;
411			};
412
413			ldo12_reg: LDO12 {
414				regulator-name = "PS_2.8V";
415				regulator-min-microvolt = <2800000>;
416				regulator-max-microvolt = <2800000>;
417			};
418
419			ldo13_reg: LDO13 {
420				regulator-name = "VHIC_1.2V";
421				regulator-min-microvolt = <1200000>;
422				regulator-max-microvolt = <1200000>;
423			};
424
425			ldo14_reg: LDO14 {
426				regulator-name = "CAM_I_HOST_1.8V";
427				regulator-min-microvolt = <1800000>;
428				regulator-max-microvolt = <1800000>;
429			};
430
431			ldo15_reg: LDO15 {
432				regulator-name = "CAM_S_DIG+FM33_CORE_1.2V";
433				regulator-min-microvolt = <1200000>;
434				regulator-max-microvolt = <1200000>;
435			};
436
437			ldo16_reg: LDO16 {
438				regulator-name = "CAM_S_ANA_2.8V";
439				regulator-min-microvolt = <2800000>;
440				regulator-max-microvolt = <2800000>;
441			};
442
443			ldo17_reg: LDO17 {
444				regulator-name = "VCC_3.0V_LCD";
445				regulator-min-microvolt = <3000000>;
446				regulator-max-microvolt = <3000000>;
447			};
448
449			buck1_reg: BUCK1 {
450				regulator-name = "VINT_1.1V";
451				regulator-min-microvolt = <750000>;
452				regulator-max-microvolt = <1500000>;
453				regulator-boot-on;
454				regulator-always-on;
455			};
456
457			buck2_reg: BUCK2 {
458				regulator-name = "VG3D_1.1V";
459				regulator-min-microvolt = <750000>;
460				regulator-max-microvolt = <1500000>;
461				regulator-boot-on;
462			};
463
464			buck3_reg: BUCK3 {
465				regulator-name = "VCC_1.8V";
466				regulator-min-microvolt = <1800000>;
467				regulator-max-microvolt = <1800000>;
468				regulator-always-on;
469			};
470
471			buck4_reg: BUCK4 {
472				regulator-name = "VMEM_1.2V";
473				regulator-min-microvolt = <1200000>;
474				regulator-max-microvolt = <1200000>;
475				regulator-always-on;
476			};
477
478			ap32khz_reg: EN32KHz-AP {
479				regulator-name = "32KHz AP";
480				regulator-always-on;
481			};
482
483			cp32khz_reg: EN32KHz-CP {
484				regulator-name = "32KHz CP";
485			};
486
487			vichg_reg: ENVICHG {
488				regulator-name = "VICHG";
489			};
490
491			safeout1_reg: ESAFEOUT1 {
492				regulator-name = "SAFEOUT1";
493			};
494
495			safeout2_reg: ESAFEOUT2 {
496				regulator-name = "SAFEOUT2";
497				regulator-boot-on;
498			};
499		};
500	};
501};
502
503&i2c_8 {
504	status = "okay";
505};
506
507&mct {
508	compatible = "none";
509};
510
511&mdma1 {
512	/* Use the secure mdma0 */
513	status = "disabled";
514};
515
516&mixer {
517	status = "okay";
518};
519
520&ohci {
521	status = "okay";
522};
523
524&pinctrl_1 {
525	lp3974_irq: lp3974-irq {
526		samsung,pins = "gpx0-7", "gpx2-7";
527		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
528	};
529
530	hdmi_hpd: hdmi-hpd {
531		samsung,pins = "gpx3-7";
532		samsung,pin-pud = <EXYNOS_PIN_PULL_NONE>;
533	};
534};
535
536&pinctrl_0 {
537	i2c_ddc_bus: i2c-ddc-bus {
538		samsung,pins = "gpe4-2", "gpe4-3";
539		samsung,pin-function = <EXYNOS_PIN_FUNC_2>;
540		samsung,pin-pud = <EXYNOS_PIN_PULL_UP>;
541		samsung,pin-drv = <EXYNOS4_PIN_DRV_LV1>;
542	};
543};
544
545&pwm {
546	compatible = "samsung,s5p6440-pwm";
547	status = "okay";
548};
549
550&sdhci_0 {
551	bus-width = <8>;
552	non-removable;
553	pinctrl-0 = <&sd0_clk &sd0_cmd &sd0_bus8>;
554	pinctrl-names = "default";
555	vmmc-supply = <&vemmc_reg>;
556	status = "okay";
557};
558
559&sdhci_2 {
560	bus-width = <4>;
561	pinctrl-0 = <&sd2_clk &sd2_cmd &sd2_bus4>;
562	pinctrl-names = "default";
563	vmmc-supply = <&ldo5_reg>;
564	cd-gpios = <&gpx3 4 GPIO_ACTIVE_LOW>;
565	status = "okay";
566};
567
568&serial_0 {
569	status = "okay";
570	/delete-property/dmas;
571	/delete-property/dma-names;
572};
573
574&serial_1 {
575	status = "okay";
576	/delete-property/dmas;
577	/delete-property/dma-names;
578};
579
580&serial_2 {
581	status = "okay";
582	/delete-property/dmas;
583	/delete-property/dma-names;
584};
585
586&serial_3 {
587	status = "okay";
588	/delete-property/dmas;
589	/delete-property/dma-names;
590};
591
592&sysram {
593	smp-sysram@0 {
594		status = "disabled";
595	};
596
597	smp-sysram@5000 {
598		compatible = "samsung,exynos4210-sysram";
599		reg = <0x5000 0x1000>;
600	};
601
602	smp-sysram@1f000 {
603		status = "disabled";
604	};
605};
606