1/*
2 * dts file for Hisilicon HiKey Development Board
3 *
4 * Copyright (C) 2015, Hisilicon Ltd.
5 *
6 */
7
8/dts-v1/;
9#include "hi6220.dtsi"
10#include "hikey-pinctrl.dtsi"
11#include <dt-bindings/gpio/gpio.h>
12
13/ {
14	model = "HiKey Development Board";
15	compatible = "hisilicon,hi6220-hikey", "hisilicon,hi6220";
16
17	aliases {
18		serial0 = &uart0; /* On board UART0 */
19		serial1 = &uart1; /* BT UART */
20		serial2 = &uart2; /* LS Expansion UART0 */
21		serial3 = &uart3; /* LS Expansion UART1 */
22	};
23
24	chosen {
25		stdout-path = "serial3:115200n8";
26	};
27
28	/*
29	 * Reserve below regions from memory node:
30	 *
31	 *  0x05e0,0000 - 0x05ef,ffff: MCU firmware runtime using
32	 *  0x05f0,1000 - 0x05f0,1fff: Reboot reason
33	 *  0x06df,f000 - 0x06df,ffff: Mailbox message data
34	 *  0x0740,f000 - 0x0740,ffff: MCU firmware section
35	 *  0x21f0,0000 - 0x21ff,ffff: pstore/ramoops buffer
36	 *  0x3e00,0000 - 0x3fff,ffff: OP-TEE
37	 */
38	memory@0 {
39		device_type = "memory";
40		reg = <0x00000000 0x00000000 0x00000000 0x05e00000>,
41		      <0x00000000 0x05f00000 0x00000000 0x00001000>,
42		      <0x00000000 0x05f02000 0x00000000 0x00efd000>,
43		      <0x00000000 0x06e00000 0x00000000 0x0060f000>,
44		      <0x00000000 0x07410000 0x00000000 0x1aaf0000>,
45		      <0x00000000 0x22000000 0x00000000 0x1c000000>;
46	};
47
48	reserved-memory {
49		#address-cells = <2>;
50		#size-cells = <2>;
51		ranges;
52
53		ramoops@0x21f00000 {
54			compatible = "ramoops";
55			reg = <0x0 0x21f00000 0x0 0x00100000>;
56			record-size	= <0x00020000>;
57			console-size	= <0x00020000>;
58			ftrace-size	= <0x00020000>;
59		};
60
61		/* global autoconfigured region for contiguous allocations */
62		linux,cma {
63			compatible = "shared-dma-pool";
64			reusable;
65			size = <0x00000000 0x08000000>;
66			linux,cma-default;
67		};
68	};
69
70	reboot-mode-syscon@5f01000 {
71		compatible = "syscon", "simple-mfd";
72		reg = <0x0 0x05f01000 0x0 0x00001000>;
73
74		reboot-mode {
75			compatible = "syscon-reboot-mode";
76			offset = <0x0>;
77
78			mode-normal	= <0x77665501>;
79			mode-bootloader	= <0x77665500>;
80			mode-recovery	= <0x77665502>;
81		};
82	};
83
84	reg_sys_5v: regulator@0 {
85		compatible = "regulator-fixed";
86		regulator-name = "SYS_5V";
87		regulator-min-microvolt = <5000000>;
88		regulator-max-microvolt = <5000000>;
89		regulator-boot-on;
90		regulator-always-on;
91	};
92
93	reg_vdd_3v3: regulator@1 {
94		compatible = "regulator-fixed";
95		regulator-name = "VDD_3V3";
96		regulator-min-microvolt = <3300000>;
97		regulator-max-microvolt = <3300000>;
98		regulator-boot-on;
99		regulator-always-on;
100		vin-supply = <&reg_sys_5v>;
101	};
102
103	reg_5v_hub: regulator@2 {
104		compatible = "regulator-fixed";
105		regulator-name = "5V_HUB";
106		regulator-min-microvolt = <5000000>;
107		regulator-max-microvolt = <5000000>;
108		regulator-boot-on;
109		gpio = <&gpio0 7 0>;
110		regulator-always-on;
111		vin-supply = <&reg_sys_5v>;
112	};
113
114	wl1835_pwrseq: wl1835-pwrseq {
115		compatible = "mmc-pwrseq-simple";
116		/* WLAN_EN GPIO */
117		reset-gpios = <&gpio0 5 GPIO_ACTIVE_LOW>;
118		clocks = <&pmic>;
119		clock-names = "ext_clock";
120		power-off-delay-us = <10>;
121	};
122
123	soc {
124		spi0: spi@f7106000 {
125			status = "ok";
126		};
127
128		i2c0: i2c@f7100000 {
129			status = "ok";
130		};
131
132		i2c1: i2c@f7101000 {
133			status = "ok";
134		};
135
136		uart1: uart@f7111000 {
137			assigned-clocks = <&sys_ctrl HI6220_UART1_SRC>;
138			assigned-clock-rates = <150000000>;
139			status = "ok";
140
141			bluetooth {
142				compatible = "ti,wl1835-st";
143				enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
144			};
145		};
146
147		uart2: uart@f7112000 {
148			status = "ok";
149		};
150
151		uart3: uart@f7113000 {
152			status = "ok";
153		};
154
155		/*
156		 * Legend: proper name = the GPIO line is used as GPIO
157		 *         NC = not connected (not routed from the SoC)
158		 *         "[PER]" = pin is muxed for peripheral (not GPIO)
159		 *         "" = no idea, schematic doesn't say, could be
160		 *              unrouted (not connected to any external pin)
161		 *         LSEC = Low Speed External Connector
162		 *         HSEC = High Speed External Connector
163		 *
164		 * Pin assignments taken from LeMaker and CircuitCo Schematics
165		 * Rev A1.
166		 *
167		 * For the lines routed to the external connectors the
168		 * lines are named after the 96Boards CE Specification 1.0,
169		 * Appendix "Expansion Connector Signal Description".
170		 *
171		 * When the 96Board naming of a line and the schematic name of
172		 * the same line are in conflict, the 96Board specification
173		 * takes precedence, which means that the external UART on the
174		 * LSEC is named UART0 while the schematic and SoC names this
175		 * UART2. This is only for the informational lines i.e. "[FOO]",
176		 * the GPIO named lines "GPIO-A" thru "GPIO-L" are the only
177		 * ones actually used for GPIO.
178		 */
179		gpio0: gpio@f8011000 {
180			gpio-line-names = "PWR_HOLD", "DSI_SEL",
181			"USB_HUB_RESET_N", "USB_SEL", "HDMI_PD", "WL_REG_ON",
182			"PWRON_DET", "5V_HUB_EN";
183		};
184
185		gpio1: gpio@f8012000 {
186			gpio-line-names = "SD_DET", "HDMI_INT", "PMU_IRQ_N",
187			"WL_HOST_WAKE", "NC", "NC", "NC", "BT_REG_ON";
188		};
189
190		gpio2: gpio@f8013000 {
191			gpio-line-names =
192				"GPIO-A", /* LSEC Pin 23: GPIO2_0 */
193				"GPIO-B", /* LSEC Pin 24: GPIO2_1 */
194				"GPIO-C", /* LSEC Pin 25: GPIO2_2 */
195				"GPIO-D", /* LSEC Pin 26: GPIO2_3 */
196				"GPIO-E", /* LSEC Pin 27: GPIO2_4 */
197				"USB_ID_DET", "USB_VBUS_DET",
198				"GPIO-H"; /* LSEC Pin 30: GPIO2_7 */
199		};
200
201		gpio3: gpio@f8014000 {
202			gpio-line-names = "GPIO3_0", "NC", "NC", "", "NC", "",
203			"WLAN_ACTIVE", "NC", "NC";
204		};
205
206		gpio4: gpio@f7020000 {
207			gpio-line-names = "USER_LED1", "USER_LED2", "USER_LED3",
208			"USER_LED4", "SD_SEL", "NC", "NC", "BT_ACTIVE";
209		};
210
211		gpio5: gpio@f7021000 {
212			gpio-line-names = "NC", "NC",
213			"[UART1_RxD]", /* LSEC Pin 11: UART3_RX */
214			"[UART1_TxD]", /* LSEC Pin 13: UART3_TX */
215			"[AUX_SSI1]", "NC",
216			"[PCM_CLK]", /* LSEC Pin 18: MODEM_PCM_XCLK */
217			"[PCM_FS]"; /* LSEC Pin 16: MODEM_PCM_XFS */
218		};
219
220		gpio6: gpio@f7022000 {
221			gpio-line-names =
222			"[SPI0_DIN]", /* Pin 10: SPI0_DI */
223			"[SPI0_DOUT]", /* Pin 14: SPI0_DO */
224			"[SPI0_CS]", /* Pin 12: SPI0_CS_N */
225			"[SPI0_SCLK]", /* Pin 8: SPI0_SCLK */
226			"NC", "NC", "NC",
227			"GPIO-G"; /* Pin 29: GPIO6_7_DSI_TE0 */
228		};
229
230		gpio7: gpio@f7023000 {
231			gpio-line-names = "NC", "NC", "NC", "NC",
232			"[PCM_DI]", /* Pin 22: MODEM_PCM_DI */
233			"[PCM_DO]", /* Pin 20: MODEM_PCM_DO */
234			"NC", "NC";
235		};
236
237		gpio8: gpio@f7024000 {
238			gpio-line-names = "NC", "[CEC_CLK_19_2MHZ]", "NC",
239			"", "", "", "", "", "";
240		};
241
242		gpio9: gpio@f7025000 {
243			gpio-line-names = "",
244			"GPIO-J", /* LSEC Pin 32: ISP_PWDN0_GPIO9_1 */
245			"GPIO-L", /* LSEC Pin 34: ISP_PWDN1_GPIO9_2 */
246			"NC", "NC", "NC", "NC", "[ISP_CCLK0]";
247		};
248
249		gpio10: gpio@f7026000 {
250			gpio-line-names = "BOOT_SEL",
251			"[ISP_CCLK1]",
252			"GPIO-I", /* LSEC Pin 31: ISP_RSTB0_GPIO10_2 */
253			"GPIO-K", /* LSEC Pin 33: ISP_RSTB1_GPIO10_3 */
254			"NC", "NC",
255			"[I2C2_SDA]", /* HSEC Pin 34: ISP0_SDA */
256			"[I2C2_SCL]"; /* HSEC Pin 32: ISP0_SCL */
257		};
258
259		gpio11: gpio@f7027000 {
260			gpio-line-names =
261			"[I2C3_SDA]", /* HSEC Pin 38: ISP1_SDA */
262			"[I2C3_SCL]", /* HSEC Pin 36: ISP1_SCL */
263			"", "NC", "NC", "NC", "", "";
264		};
265
266		gpio12: gpio@f7028000 {
267			gpio-line-names = "[BT_PCM_XFS]", "[BT_PCM_DI]",
268			"[BT_PCM_DO]",
269			"NC", "NC", "NC", "NC",
270			"GPIO-F"; /* LSEC Pin 28: BL_PWM_GPIO12_7 */
271		};
272
273		gpio13: gpio@f7029000 {
274			gpio-line-names = "[UART0_RX]", "[UART0_TX]",
275			"[BT_UART1_CTS]", "[BT_UART1_RTS]",
276			"[BT_UART1_RX]", "[BT_UART1_TX]",
277			"[UART0_CTS]", /* LSEC Pin 3: UART2_CTS_N */
278			"[UART0_RTS]"; /* LSEC Pin 9: UART2_RTS_N */
279		};
280
281		gpio14: gpio@f702a000 {
282			gpio-line-names =
283			"[UART0_RxD]", /* LSEC Pin 7: UART2_RX */
284			"[UART0_TxD]", /* LSEC Pin 5: UART2_TX */
285			"[I2C0_SCL]", /* LSEC Pin 15: I2C0_SCL */
286			"[I2C0_SDA]", /* LSEC Pin 17: I2C0_SDA */
287			"[I2C1_SCL]", /* LSEC Pin 19: I2C1_SCL */
288			"[I2C1_SDA]", /* LSEC Pin 21: I2C1_SDA */
289			"[I2C2_SCL]", "[I2C2_SDA]";
290		};
291
292		gpio15: gpio@f702b000 {
293			gpio-line-names = "", "", "", "", "", "", "NC", "";
294		};
295
296		/* GPIO blocks 16 thru 19 do not appear to be routed to pins */
297
298		dwmmc_0: dwmmc0@f723d000 {
299			cap-mmc-highspeed;
300			non-removable;
301			bus-width = <0x8>;
302			vmmc-supply = <&ldo19>;
303		};
304
305		dwmmc_1: dwmmc1@f723e000 {
306			card-detect-delay = <200>;
307			cap-sd-highspeed;
308			sd-uhs-sdr12;
309			sd-uhs-sdr25;
310			sd-uhs-sdr50;
311			vqmmc-supply = <&ldo7>;
312			vmmc-supply = <&ldo10>;
313			bus-width = <0x4>;
314			disable-wp;
315			cd-gpios = <&gpio1 0 1>;
316		};
317
318		dwmmc_2: dwmmc2@f723f000 {
319			bus-width = <0x4>;
320			non-removable;
321			vmmc-supply = <&reg_vdd_3v3>;
322			mmc-pwrseq = <&wl1835_pwrseq>;
323
324			#address-cells = <0x1>;
325			#size-cells = <0x0>;
326			wlcore: wlcore@2 {
327				compatible = "ti,wl1835";
328				reg = <2>;	/* sdio func num */
329				/* WL_IRQ, WL_HOST_WAKE_GPIO1_3 */
330				interrupt-parent = <&gpio1>;
331				interrupts = <3 IRQ_TYPE_EDGE_RISING>;
332			};
333		};
334	};
335
336	leds {
337		compatible = "gpio-leds";
338		user_led4 {
339			label = "user_led4";
340			gpios = <&gpio4 0 0>; /* <&gpio_user_led_1>; */
341			linux,default-trigger = "heartbeat";
342		};
343
344		user_led3 {
345			label = "user_led3";
346			gpios = <&gpio4 1 0>; /* <&gpio_user_led_2>; */
347			linux,default-trigger = "mmc0";
348		};
349
350		user_led2 {
351			label = "user_led2";
352			gpios = <&gpio4 2 0>; /* <&gpio_user_led_3>; */
353			linux,default-trigger = "mmc1";
354		};
355
356		user_led1 {
357			label = "user_led1";
358			gpios = <&gpio4 3 0>; /* <&gpio_user_led_4>; */
359			linux,default-trigger = "cpu0";
360		};
361
362		wlan_active_led {
363			label = "wifi_active";
364			gpios = <&gpio3 5 0>; /* <&gpio_wlan_active_led>; */
365			linux,default-trigger = "phy0tx";
366			default-state = "off";
367		};
368
369		bt_active_led {
370			label = "bt_active";
371			gpios = <&gpio4 7 0>; /* <&gpio_bt_active_led>; */
372			linux,default-trigger = "hci0rx";
373			default-state = "off";
374		};
375	};
376
377	pmic: pmic@f8000000 {
378		compatible = "hisilicon,hi655x-pmic";
379		reg = <0x0 0xf8000000 0x0 0x1000>;
380		#clock-cells = <0>;
381		interrupt-controller;
382		#interrupt-cells = <2>;
383		pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
384
385		regulators {
386			ldo2: LDO2 {
387				regulator-name = "LDO2_2V8";
388				regulator-min-microvolt = <2500000>;
389				regulator-max-microvolt = <3200000>;
390				regulator-enable-ramp-delay = <120>;
391			};
392
393			ldo7: LDO7 {
394				regulator-name = "LDO7_SDIO";
395				regulator-min-microvolt = <1800000>;
396				regulator-max-microvolt = <3300000>;
397				regulator-enable-ramp-delay = <120>;
398			};
399
400			ldo10: LDO10 {
401				regulator-name = "LDO10_2V85";
402				regulator-min-microvolt = <1800000>;
403				regulator-max-microvolt = <3000000>;
404				regulator-enable-ramp-delay = <360>;
405			};
406
407			ldo13: LDO13 {
408				regulator-name = "LDO13_1V8";
409				regulator-min-microvolt = <1600000>;
410				regulator-max-microvolt = <1950000>;
411				regulator-enable-ramp-delay = <120>;
412			};
413
414			ldo14: LDO14 {
415				regulator-name = "LDO14_2V8";
416				regulator-min-microvolt = <2500000>;
417				regulator-max-microvolt = <3200000>;
418				regulator-enable-ramp-delay = <120>;
419			};
420
421			ldo15: LDO15 {
422				regulator-name = "LDO15_1V8";
423				regulator-min-microvolt = <1600000>;
424				regulator-max-microvolt = <1950000>;
425				regulator-boot-on;
426				regulator-always-on;
427				regulator-enable-ramp-delay = <120>;
428			};
429
430			ldo17: LDO17 {
431				regulator-name = "LDO17_2V5";
432				regulator-min-microvolt = <2500000>;
433				regulator-max-microvolt = <3200000>;
434				regulator-enable-ramp-delay = <120>;
435			};
436
437			ldo19: LDO19 {
438				regulator-name = "LDO19_3V0";
439				regulator-min-microvolt = <1800000>;
440				regulator-max-microvolt = <3000000>;
441				regulator-enable-ramp-delay = <360>;
442			};
443
444			ldo21: LDO21 {
445				regulator-name = "LDO21_1V8";
446				regulator-min-microvolt = <1650000>;
447				regulator-max-microvolt = <2000000>;
448				regulator-always-on;
449				regulator-enable-ramp-delay = <120>;
450			};
451
452			ldo22: LDO22 {
453				regulator-name = "LDO22_1V2";
454				regulator-min-microvolt = <900000>;
455				regulator-max-microvolt = <1200000>;
456				regulator-boot-on;
457				regulator-always-on;
458				regulator-enable-ramp-delay = <120>;
459			};
460		};
461	};
462
463	firmware {
464		optee {
465			compatible = "linaro,optee-tz";
466			method = "smc";
467		};
468	};
469};
470
471&uart2 {
472	label = "LS-UART0";
473};
474&uart3 {
475	label = "LS-UART1";
476};
477
478&ade {
479	status = "ok";
480};
481
482&dsi {
483	status = "ok";
484
485	ports {
486		/* 1 for output port */
487		port@1 {
488			reg = <1>;
489
490			dsi_out0: endpoint@0 {
491				remote-endpoint = <&adv7533_in>;
492			};
493		};
494	};
495};
496
497&i2c2 {
498	#address-cells = <1>;
499	#size-cells = <0>;
500	status = "ok";
501
502	adv7533: adv7533@39 {
503		compatible = "adi,adv7533";
504		reg = <0x39>;
505		interrupt-parent = <&gpio1>;
506		interrupts = <1 2>;
507		pd-gpio = <&gpio0 4 0>;
508		adi,dsi-lanes = <4>;
509
510		port {
511			adv7533_in: endpoint {
512				remote-endpoint = <&dsi_out0>;
513			};
514		};
515	};
516};
517