1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3
4#include "jz4780.dtsi"
5#include <dt-bindings/clock/ingenic,tcu.h>
6#include <dt-bindings/gpio/gpio.h>
7#include <dt-bindings/input/input.h>
8#include <dt-bindings/interrupt-controller/irq.h>
9#include <dt-bindings/regulator/active-semi,8865-regulator.h>
10
11/ {
12	compatible = "img,ci20", "ingenic,jz4780";
13
14	aliases {
15		serial0 = &uart0;
16		serial1 = &uart1;
17		serial3 = &uart3;
18		serial4 = &uart4;
19	};
20
21	chosen {
22		stdout-path = &uart4;
23	};
24
25	memory {
26		device_type = "memory";
27		reg = <0x0 0x10000000
28		       0x30000000 0x30000000>;
29	};
30
31	gpio-keys {
32		compatible = "gpio-keys";
33
34		switch {
35			label = "ci20:sw1";
36			linux,code = <KEY_F13>;
37			gpios = <&gpd 17 GPIO_ACTIVE_HIGH>;
38			wakeup-source;
39		};
40	};
41
42	leds {
43		compatible = "gpio-leds";
44
45		led-0 {
46			label = "ci20:red:led0";
47			gpios = <&gpc 3 GPIO_ACTIVE_HIGH>;
48			linux,default-trigger = "none";
49		};
50
51		led-1 {
52			label = "ci20:red:led1";
53			gpios = <&gpc 2 GPIO_ACTIVE_HIGH>;
54			linux,default-trigger = "nand-disk";
55		};
56
57		led-2 {
58			label = "ci20:red:led2";
59			gpios = <&gpc 1 GPIO_ACTIVE_HIGH>;
60			linux,default-trigger = "cpu1";
61		};
62
63		led-3 {
64			label = "ci20:red:led3";
65			gpios = <&gpc 0 GPIO_ACTIVE_HIGH>;
66			linux,default-trigger = "cpu0";
67		};
68	};
69
70	eth0_power: fixedregulator@0 {
71		compatible = "regulator-fixed";
72
73		regulator-name = "eth0_power";
74		regulator-min-microvolt = <3300000>;
75		regulator-max-microvolt = <3300000>;
76
77		gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
78		enable-active-high;
79	};
80
81	hdmi_out: connector {
82		compatible = "hdmi-connector";
83		label = "HDMI OUT";
84		type = "a";
85
86		ddc-en-gpios = <&gpa 25 GPIO_ACTIVE_HIGH>;
87
88		port {
89			hdmi_con: endpoint {
90				remote-endpoint = <&dw_hdmi_out>;
91			};
92		};
93	};
94
95	ir: ir {
96		compatible = "gpio-ir-receiver";
97		gpios = <&gpe 3 GPIO_ACTIVE_LOW>;
98	};
99
100	wlan0_power: fixedregulator@1 {
101		compatible = "regulator-fixed";
102
103		regulator-name = "wlan0_power";
104
105		gpio = <&gpb 19 GPIO_ACTIVE_LOW>;
106		enable-active-high;
107	};
108
109	otg_power: fixedregulator@2 {
110		compatible = "regulator-fixed";
111
112		regulator-name = "otg_power";
113		regulator-min-microvolt = <5000000>;
114		regulator-max-microvolt = <5000000>;
115
116		gpio = <&gpf 15 GPIO_ACTIVE_LOW>;
117		enable-active-high;
118	};
119};
120
121&ext {
122	clock-frequency = <48000000>;
123};
124
125&cgu {
126	/*
127	 * Use the 32.768 kHz oscillator as the parent of the RTC for a higher
128	 * precision.
129	 */
130	assigned-clocks = <&cgu JZ4780_CLK_OTGPHY>, <&cgu JZ4780_CLK_RTC>,
131			  <&cgu JZ4780_CLK_SSIPLL>, <&cgu JZ4780_CLK_SSI>,
132			  <&cgu JZ4780_CLK_HDMI>;
133	assigned-clock-parents = <0>, <&cgu JZ4780_CLK_RTCLK>,
134				 <&cgu JZ4780_CLK_MPLL>,
135				 <&cgu JZ4780_CLK_SSIPLL>;
136	assigned-clock-rates = <48000000>, <0>, <54000000>, <0>, <27000000>;
137};
138
139&tcu {
140	/*
141	 * 750 kHz for the system timers and clocksource,
142	 * use channel #0 and #1 for the per cpu system timers,
143	 * and use channel #2 for the clocksource.
144	 *
145	 * 3000 kHz for the OST timer to provide a higher
146	 * precision clocksource.
147	 */
148	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>,
149					  <&tcu TCU_CLK_TIMER2>, <&tcu TCU_CLK_OST>;
150	assigned-clock-rates = <750000>, <750000>, <750000>, <3000000>;
151};
152
153&mmc0 {
154	status = "okay";
155
156	bus-width = <4>;
157	max-frequency = <50000000>;
158
159	pinctrl-names = "default";
160	pinctrl-0 = <&pins_mmc0>;
161
162	cd-gpios = <&gpf 20 GPIO_ACTIVE_LOW>;
163};
164
165&mmc1 {
166	status = "okay";
167
168	bus-width = <4>;
169	max-frequency = <50000000>;
170	non-removable;
171
172	pinctrl-names = "default";
173	pinctrl-0 = <&pins_mmc1>;
174
175	brcmf: wifi@1 {
176/*		reg = <4>;*/
177		compatible = "brcm,bcm4330-fmac";
178		vcc-supply = <&wlan0_power>;
179		device-wakeup-gpios = <&gpd 9 GPIO_ACTIVE_HIGH>;
180		shutdown-gpios = <&gpf 7 GPIO_ACTIVE_LOW>;
181	};
182};
183
184&uart0 {
185	status = "okay";
186
187	pinctrl-names = "default";
188	pinctrl-0 = <&pins_uart0>;
189};
190
191&uart1 {
192	status = "okay";
193
194	pinctrl-names = "default";
195	pinctrl-0 = <&pins_uart1>;
196};
197
198&uart2 {
199	status = "okay";
200
201	pinctrl-names = "default";
202	pinctrl-0 = <&pins_uart2>;
203	uart-has-rtscts;
204
205	bluetooth {
206		compatible = "brcm,bcm4330-bt";
207		reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>;
208		vcc-supply = <&wlan0_power>;
209		device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>;
210		host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>;
211		shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>;
212	};
213};
214
215&uart3 {
216	status = "okay";
217
218	pinctrl-names = "default";
219	pinctrl-0 = <&pins_uart3>;
220};
221
222&uart4 {
223	status = "okay";
224
225	pinctrl-names = "default";
226	pinctrl-0 = <&pins_uart4>;
227};
228
229&i2c0 {
230	status = "okay";
231
232	pinctrl-names = "default";
233	pinctrl-0 = <&pins_i2c0>;
234
235	clock-frequency = <400000>;
236
237	act8600: act8600@5a {
238		compatible = "active-semi,act8600";
239		reg = <0x5a>;
240		status = "okay";
241
242		regulators {
243			vddcore: SUDCDC1 {
244				regulator-name = "DCDC_REG1";
245				regulator-min-microvolt = <1100000>;
246				regulator-max-microvolt = <1100000>;
247				regulator-always-on;
248			};
249			vddmem: SUDCDC2 {
250				regulator-name = "DCDC_REG2";
251				regulator-min-microvolt = <1500000>;
252				regulator-max-microvolt = <1500000>;
253				regulator-always-on;
254			};
255			vcc_33: SUDCDC3 {
256				regulator-name = "DCDC_REG3";
257				regulator-min-microvolt = <3300000>;
258				regulator-max-microvolt = <3300000>;
259				regulator-always-on;
260			};
261			vcc_50: SUDCDC4 {
262				regulator-name = "SUDCDC_REG4";
263				regulator-min-microvolt = <5000000>;
264				regulator-max-microvolt = <5000000>;
265				regulator-always-on;
266			};
267			vcc_25: LDO_REG5 {
268				regulator-name = "LDO_REG5";
269				regulator-min-microvolt = <2500000>;
270				regulator-max-microvolt = <2500000>;
271				regulator-always-on;
272			};
273			wifi_io: LDO_REG6 {
274				regulator-name = "LDO_REG6";
275				regulator-min-microvolt = <2500000>;
276				regulator-max-microvolt = <2500000>;
277				regulator-always-on;
278			};
279			vcc_28: LDO_REG7 {
280				regulator-name = "LDO_REG7";
281				regulator-min-microvolt = <2800000>;
282				regulator-max-microvolt = <2800000>;
283				regulator-always-on;
284			};
285			vcc_15: LDO_REG8 {
286				regulator-name = "LDO_REG8";
287				regulator-min-microvolt = <1500000>;
288				regulator-max-microvolt = <1500000>;
289				regulator-always-on;
290			};
291			vrtc_18: LDO_REG9 {
292				regulator-name = "LDO_REG9";
293				/* Despite the datasheet stating 3.3V
294				 * for REG9 and the driver expecting that,
295				 * REG9 outputs 1.8V.
296				 * Likely the CI20 uses a proprietary
297				 * factory programmed chip variant.
298				 * Since this is a simple on/off LDO the
299				 * exact values do not matter.
300				 */
301				regulator-min-microvolt = <3300000>;
302				regulator-max-microvolt = <3300000>;
303				regulator-always-on;
304			};
305			vcc_11: LDO_REG10 {
306				regulator-name = "LDO_REG10";
307				regulator-min-microvolt = <1200000>;
308				regulator-max-microvolt = <1200000>;
309				regulator-always-on;
310			};
311		};
312	};
313};
314
315&i2c1 {
316	status = "okay";
317
318	pinctrl-names = "default";
319	pinctrl-0 = <&pins_i2c1>;
320
321};
322
323&i2c2 {
324	status = "okay";
325
326	pinctrl-names = "default";
327	pinctrl-0 = <&pins_i2c2>;
328
329};
330
331&i2c3 {
332	status = "okay";
333
334	pinctrl-names = "default";
335	pinctrl-0 = <&pins_i2c3>;
336
337};
338
339&i2c4 {
340	status = "okay";
341
342	pinctrl-names = "default";
343	pinctrl-0 = <&pins_i2c4>;
344
345	clock-frequency = <400000>;
346
347		rtc@51 {
348			compatible = "nxp,pcf8563";
349			reg = <0x51>;
350
351			interrupt-parent = <&gpf>;
352			interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
353		};
354};
355
356&nemc {
357	status = "okay";
358
359	nandc: nand-controller@1 {
360		compatible = "ingenic,jz4780-nand";
361		reg = <1 0 0x1000000>;
362
363		#address-cells = <1>;
364		#size-cells = <0>;
365
366		ingenic,bch-controller = <&bch>;
367
368		ingenic,nemc-tAS = <10>;
369		ingenic,nemc-tAH = <5>;
370		ingenic,nemc-tBP = <10>;
371		ingenic,nemc-tAW = <15>;
372		ingenic,nemc-tSTRV = <100>;
373
374		/*
375		 * Only CLE/ALE are needed for the devices that are connected, rather
376		 * than the full address line set.
377		 */
378		pinctrl-names = "default";
379		pinctrl-0 = <&pins_nemc>;
380
381		nand@1 {
382			reg = <1>;
383
384			nand-ecc-step-size = <1024>;
385			nand-ecc-strength = <24>;
386			nand-ecc-mode = "hw";
387			nand-on-flash-bbt;
388
389			pinctrl-names = "default";
390			pinctrl-0 = <&pins_nemc_cs1>;
391
392			partitions {
393				compatible = "fixed-partitions";
394				#address-cells = <2>;
395				#size-cells = <2>;
396
397				partition@0 {
398					label = "u-boot-spl";
399					reg = <0x0 0x0 0x0 0x800000>;
400				};
401
402				partition@800000 {
403					label = "u-boot";
404					reg = <0x0 0x800000 0x0 0x200000>;
405				};
406
407				partition@a00000 {
408					label = "u-boot-env";
409					reg = <0x0 0xa00000 0x0 0x200000>;
410				};
411
412				partition@c00000 {
413					label = "boot";
414					reg = <0x0 0xc00000 0x0 0x4000000>;
415				};
416
417				partition@4c00000 {
418					label = "system";
419					reg = <0x0 0x4c00000 0x1 0xfb400000>;
420				};
421			};
422		};
423	};
424
425	dm9000@6 {
426		compatible = "davicom,dm9000";
427		davicom,no-eeprom;
428
429		pinctrl-names = "default";
430		pinctrl-0 = <&pins_nemc_cs6>;
431
432		reg = <6 0 1   /* addr */
433		       6 2 1>; /* data */
434
435		ingenic,nemc-tAS = <15>;
436		ingenic,nemc-tAH = <10>;
437		ingenic,nemc-tBP = <20>;
438		ingenic,nemc-tAW = <50>;
439		ingenic,nemc-tSTRV = <100>;
440
441		reset-gpios = <&gpf 12 GPIO_ACTIVE_LOW>;
442		vcc-supply = <&eth0_power>;
443
444		interrupt-parent = <&gpe>;
445		interrupts = <19 4>;
446
447		nvmem-cells = <&eth0_addr>;
448		nvmem-cell-names = "mac-address";
449	};
450};
451
452&bch {
453	status = "okay";
454};
455
456&otg_phy {
457	status = "okay";
458
459	vcc-supply = <&otg_power>;
460};
461
462&otg {
463	status = "okay";
464};
465
466&pinctrl {
467	pins_uart0: uart0 {
468		function = "uart0";
469		groups = "uart0-data";
470		bias-disable;
471	};
472
473	pins_uart1: uart1 {
474		function = "uart1";
475		groups = "uart1-data";
476		bias-disable;
477	};
478
479	pins_uart2: uart2 {
480		function = "uart2";
481		groups = "uart2-data", "uart2-hwflow";
482		bias-disable;
483	};
484
485	pins_uart3: uart3 {
486		function = "uart3";
487		groups = "uart3-data", "uart3-hwflow";
488		bias-disable;
489	};
490
491	pins_uart4: uart4 {
492		function = "uart4";
493		groups = "uart4-data";
494		bias-disable;
495	};
496
497	pins_i2c0: i2c0 {
498		function = "i2c0";
499		groups = "i2c0-data";
500		bias-disable;
501	};
502
503	pins_i2c1: i2c1 {
504		function = "i2c1";
505		groups = "i2c1-data";
506		bias-disable;
507	};
508
509	pins_i2c2: i2c2 {
510		function = "i2c2";
511		groups = "i2c2-data";
512		bias-disable;
513	};
514
515	pins_i2c3: i2c3 {
516		function = "i2c3";
517		groups = "i2c3-data";
518		bias-disable;
519	};
520
521	pins_i2c4: i2c4 {
522		function = "i2c4";
523		groups = "i2c4-data-e";
524		bias-disable;
525	};
526
527	pins_hdmi_ddc: hdmi_ddc {
528		function = "hdmi-ddc";
529		groups = "hdmi-ddc";
530		bias-disable;
531	};
532
533	pins_nemc: nemc {
534		function = "nemc";
535		groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe";
536		bias-disable;
537	};
538
539	pins_nemc_cs1: nemc-cs1 {
540		function = "nemc-cs1";
541		groups = "nemc-cs1";
542		bias-disable;
543	};
544
545	pins_nemc_cs6: nemc-cs6 {
546		function = "nemc-cs6";
547		groups = "nemc-cs6";
548		bias-disable;
549	};
550
551	pins_mmc0: mmc0 {
552		function = "mmc0";
553		groups = "mmc0-1bit-e", "mmc0-4bit-e";
554		bias-disable;
555	};
556
557	pins_mmc1: mmc1 {
558		function = "mmc1";
559		groups = "mmc1-1bit-d", "mmc1-4bit-d";
560		bias-disable;
561	};
562};
563
564&hdmi {
565	status = "okay";
566
567	pinctrl-names = "default";
568	pinctrl-0 = <&pins_hdmi_ddc>;
569
570	ports {
571		#address-cells = <1>;
572		#size-cells = <0>;
573
574		port@0 {
575			reg = <0>;
576			dw_hdmi_in: endpoint {
577				remote-endpoint = <&lcd_out>;
578			};
579		};
580
581		port@1 {
582			reg = <1>;
583			dw_hdmi_out: endpoint {
584				remote-endpoint = <&hdmi_con>;
585			};
586		};
587	};
588};
589
590&lcdc0 {
591	status = "okay";
592
593	port {
594		lcd_out: endpoint {
595			remote-endpoint = <&dw_hdmi_in>;
596		};
597	};
598};
599