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		sw1 {
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		led0 {
46			label = "ci20:red:led0";
47			gpios = <&gpc 3 GPIO_ACTIVE_HIGH>;
48			linux,default-trigger = "none";
49		};
50
51		led1 {
52			label = "ci20:red:led1";
53			gpios = <&gpc 2 GPIO_ACTIVE_HIGH>;
54			linux,default-trigger = "nand-disk";
55		};
56
57		led2 {
58			label = "ci20:red:led2";
59			gpios = <&gpc 1 GPIO_ACTIVE_HIGH>;
60			linux,default-trigger = "cpu1";
61		};
62
63		led3 {
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		regulator-name = "eth0_power";
73		regulator-min-microvolt = <3300000>;
74		regulator-max-microvolt = <3300000>;
75		gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
76		enable-active-high;
77	};
78
79	ir: ir {
80		compatible = "gpio-ir-receiver";
81		gpios = <&gpe 3 GPIO_ACTIVE_LOW>;
82	};
83
84	wlan0_power: fixedregulator@1 {
85		compatible = "regulator-fixed";
86		regulator-name = "wlan0_power";
87		gpio = <&gpb 19 GPIO_ACTIVE_LOW>;
88		enable-active-high;
89	};
90};
91
92&ext {
93	clock-frequency = <48000000>;
94};
95
96&mmc0 {
97	status = "okay";
98
99	bus-width = <4>;
100	max-frequency = <50000000>;
101
102	pinctrl-names = "default";
103	pinctrl-0 = <&pins_mmc0>;
104
105	cd-gpios = <&gpf 20 GPIO_ACTIVE_LOW>;
106};
107
108&mmc1 {
109	status = "okay";
110
111	bus-width = <4>;
112	max-frequency = <50000000>;
113	non-removable;
114
115	pinctrl-names = "default";
116	pinctrl-0 = <&pins_mmc1>;
117
118	brcmf: wifi@1 {
119/*		reg = <4>;*/
120		compatible = "brcm,bcm4330-fmac";
121		vcc-supply = <&wlan0_power>;
122		device-wakeup-gpios = <&gpd 9 GPIO_ACTIVE_HIGH>;
123		shutdown-gpios = <&gpf 7 GPIO_ACTIVE_LOW>;
124	};
125};
126
127&uart0 {
128	status = "okay";
129
130	pinctrl-names = "default";
131	pinctrl-0 = <&pins_uart0>;
132};
133
134&uart1 {
135	status = "okay";
136
137	pinctrl-names = "default";
138	pinctrl-0 = <&pins_uart1>;
139};
140
141&uart2 {
142	status = "okay";
143
144	pinctrl-names = "default";
145	pinctrl-0 = <&pins_uart2>;
146	uart-has-rtscts;
147
148	bluetooth {
149		compatible = "brcm,bcm4330-bt";
150		reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>;
151		vcc-supply = <&wlan0_power>;
152		device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>;
153		host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>;
154		shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>;
155	};
156};
157
158&uart3 {
159	status = "okay";
160
161	pinctrl-names = "default";
162	pinctrl-0 = <&pins_uart3>;
163};
164
165&uart4 {
166	status = "okay";
167
168	pinctrl-names = "default";
169	pinctrl-0 = <&pins_uart4>;
170};
171
172&i2c0 {
173	status = "okay";
174
175	pinctrl-names = "default";
176	pinctrl-0 = <&pins_i2c0>;
177
178	clock-frequency = <400000>;
179
180	act8600: act8600@5a {
181		compatible = "active-semi,act8600";
182		reg = <0x5a>;
183		status = "okay";
184
185		regulators {
186			vddcore: SUDCDC1 {
187				regulator-name = "DCDC_REG1";
188				regulator-min-microvolt = <1100000>;
189				regulator-max-microvolt = <1100000>;
190				regulator-always-on;
191			};
192			vddmem: SUDCDC2 {
193				regulator-name = "DCDC_REG2";
194				regulator-min-microvolt = <1500000>;
195				regulator-max-microvolt = <1500000>;
196				regulator-always-on;
197			};
198			vcc_33: SUDCDC3 {
199				regulator-name = "DCDC_REG3";
200				regulator-min-microvolt = <3300000>;
201				regulator-max-microvolt = <3300000>;
202				regulator-always-on;
203			};
204			vcc_50: SUDCDC4 {
205				regulator-name = "SUDCDC_REG4";
206				regulator-min-microvolt = <5000000>;
207				regulator-max-microvolt = <5000000>;
208				regulator-always-on;
209			};
210			vcc_25: LDO_REG5 {
211				regulator-name = "LDO_REG5";
212				regulator-min-microvolt = <2500000>;
213				regulator-max-microvolt = <2500000>;
214				regulator-always-on;
215			};
216			wifi_io: LDO_REG6 {
217				regulator-name = "LDO_REG6";
218				regulator-min-microvolt = <2500000>;
219				regulator-max-microvolt = <2500000>;
220				regulator-always-on;
221			};
222			vcc_28: LDO_REG7 {
223				regulator-name = "LDO_REG7";
224				regulator-min-microvolt = <2800000>;
225				regulator-max-microvolt = <2800000>;
226				regulator-always-on;
227			};
228			vcc_15: LDO_REG8 {
229				regulator-name = "LDO_REG8";
230				regulator-min-microvolt = <1500000>;
231				regulator-max-microvolt = <1500000>;
232				regulator-always-on;
233			};
234			vrtc_18: LDO_REG9 {
235				regulator-name = "LDO_REG9";
236				/* Despite the datasheet stating 3.3V
237				 * for REG9 and the driver expecting that,
238				 * REG9 outputs 1.8V.
239				 * Likely the CI20 uses a proprietary
240				 * factory programmed chip variant.
241				 * Since this is a simple on/off LDO the
242				 * exact values do not matter.
243				 */
244				regulator-min-microvolt = <3300000>;
245				regulator-max-microvolt = <3300000>;
246				regulator-always-on;
247			};
248			vcc_11: LDO_REG10 {
249				regulator-name = "LDO_REG10";
250				regulator-min-microvolt = <1200000>;
251				regulator-max-microvolt = <1200000>;
252				regulator-always-on;
253			};
254		};
255	};
256};
257
258&i2c1 {
259	status = "okay";
260
261	pinctrl-names = "default";
262	pinctrl-0 = <&pins_i2c1>;
263
264};
265
266&i2c2 {
267	status = "okay";
268
269	pinctrl-names = "default";
270	pinctrl-0 = <&pins_i2c2>;
271
272};
273
274&i2c3 {
275	status = "okay";
276
277	pinctrl-names = "default";
278	pinctrl-0 = <&pins_i2c3>;
279
280};
281
282&i2c4 {
283	status = "okay";
284
285	pinctrl-names = "default";
286	pinctrl-0 = <&pins_i2c4>;
287
288	clock-frequency = <400000>;
289
290		rtc@51 {
291			compatible = "nxp,pcf8563";
292			reg = <0x51>;
293
294			interrupt-parent = <&gpf>;
295			interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
296		};
297};
298
299&nemc {
300	status = "okay";
301
302	nandc: nand-controller@1 {
303		compatible = "ingenic,jz4780-nand";
304		reg = <1 0 0x1000000>;
305
306		#address-cells = <1>;
307		#size-cells = <0>;
308
309		ingenic,bch-controller = <&bch>;
310
311		ingenic,nemc-tAS = <10>;
312		ingenic,nemc-tAH = <5>;
313		ingenic,nemc-tBP = <10>;
314		ingenic,nemc-tAW = <15>;
315		ingenic,nemc-tSTRV = <100>;
316
317		/*
318		 * Only CLE/ALE are needed for the devices that are connected, rather
319		 * than the full address line set.
320		 */
321		pinctrl-names = "default";
322		pinctrl-0 = <&pins_nemc>;
323
324		nand@1 {
325			reg = <1>;
326
327			nand-ecc-step-size = <1024>;
328			nand-ecc-strength = <24>;
329			nand-ecc-mode = "hw";
330			nand-on-flash-bbt;
331
332			pinctrl-names = "default";
333			pinctrl-0 = <&pins_nemc_cs1>;
334
335			partitions {
336				compatible = "fixed-partitions";
337				#address-cells = <2>;
338				#size-cells = <2>;
339
340				partition@0 {
341					label = "u-boot-spl";
342					reg = <0x0 0x0 0x0 0x800000>;
343				};
344
345				partition@800000 {
346					label = "u-boot";
347					reg = <0x0 0x800000 0x0 0x200000>;
348				};
349
350				partition@a00000 {
351					label = "u-boot-env";
352					reg = <0x0 0xa00000 0x0 0x200000>;
353				};
354
355				partition@c00000 {
356					label = "boot";
357					reg = <0x0 0xc00000 0x0 0x4000000>;
358				};
359
360				partition@4c00000 {
361					label = "system";
362					reg = <0x0 0x4c00000 0x1 0xfb400000>;
363				};
364			};
365		};
366	};
367
368	dm9000@6 {
369		compatible = "davicom,dm9000";
370		davicom,no-eeprom;
371
372		pinctrl-names = "default";
373		pinctrl-0 = <&pins_nemc_cs6>;
374
375		reg = <6 0 1   /* addr */
376		       6 2 1>; /* data */
377
378		ingenic,nemc-tAS = <15>;
379		ingenic,nemc-tAH = <10>;
380		ingenic,nemc-tBP = <20>;
381		ingenic,nemc-tAW = <50>;
382		ingenic,nemc-tSTRV = <100>;
383
384		reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
385		vcc-supply = <&eth0_power>;
386
387		interrupt-parent = <&gpe>;
388		interrupts = <19 4>;
389
390		nvmem-cells = <&eth0_addr>;
391		nvmem-cell-names = "mac-address";
392	};
393};
394
395&bch {
396	status = "okay";
397};
398
399&pinctrl {
400	pins_uart0: uart0 {
401		function = "uart0";
402		groups = "uart0-data";
403		bias-disable;
404	};
405
406	pins_uart1: uart1 {
407		function = "uart1";
408		groups = "uart1-data";
409		bias-disable;
410	};
411
412	pins_uart2: uart2 {
413		function = "uart2";
414		groups = "uart2-data", "uart2-hwflow";
415		bias-disable;
416	};
417
418	pins_uart3: uart3 {
419		function = "uart3";
420		groups = "uart3-data", "uart3-hwflow";
421		bias-disable;
422	};
423
424	pins_uart4: uart4 {
425		function = "uart4";
426		groups = "uart4-data";
427		bias-disable;
428	};
429
430	pins_i2c0: i2c0 {
431		function = "i2c0";
432		groups = "i2c0-data";
433		bias-disable;
434	};
435
436	pins_i2c1: i2c1 {
437		function = "i2c1";
438		groups = "i2c1-data";
439		bias-disable;
440	};
441
442	pins_i2c2: i2c2 {
443		function = "i2c2";
444		groups = "i2c2-data";
445		bias-disable;
446	};
447
448	pins_i2c3: i2c3 {
449		function = "i2c3";
450		groups = "i2c3-data";
451		bias-disable;
452	};
453
454	pins_i2c4: i2c4 {
455		function = "i2c4";
456		groups = "i2c4-data-e";
457		bias-disable;
458	};
459
460	pins_nemc: nemc {
461		function = "nemc";
462		groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe";
463		bias-disable;
464	};
465
466	pins_nemc_cs1: nemc-cs1 {
467		function = "nemc-cs1";
468		groups = "nemc-cs1";
469		bias-disable;
470	};
471
472	pins_nemc_cs6: nemc-cs6 {
473		function = "nemc-cs6";
474		groups = "nemc-cs6";
475		bias-disable;
476	};
477
478	pins_mmc0: mmc0 {
479		function = "mmc0";
480		groups = "mmc0-1bit-e", "mmc0-4bit-e";
481		bias-disable;
482	};
483
484	pins_mmc1: mmc1 {
485		function = "mmc1";
486		groups = "mmc1-1bit-d", "mmc1-4bit-d";
487		bias-disable;
488	};
489};
490
491&tcu {
492	/* 3 MHz for the system timer and clocksource */
493	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>;
494	assigned-clock-rates = <3000000>, <3000000>;
495};
496