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_5v_hub: regulator@0 {
85		compatible = "regulator-fixed";
86		regulator-name = "5V_HUB";
87		regulator-min-microvolt = <5000000>;
88		regulator-max-microvolt = <5000000>;
89		regulator-boot-on;
90		gpio = <&gpio0 7 0>;
91		regulator-always-on;
92	};
93
94	soc {
95		spi0: spi@f7106000 {
96			status = "ok";
97		};
98
99		i2c0: i2c@f7100000 {
100			status = "ok";
101		};
102
103		i2c1: i2c@f7101000 {
104			status = "ok";
105		};
106
107		uart1: uart@f7111000 {
108			assigned-clocks = <&sys_ctrl HI6220_UART1_SRC>;
109			assigned-clock-rates = <150000000>;
110			status = "ok";
111
112			bluetooth {
113				compatible = "ti,wl1835-st";
114				enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
115			};
116		};
117
118		uart2: uart@f7112000 {
119			status = "ok";
120		};
121
122		uart3: uart@f7113000 {
123			status = "ok";
124		};
125
126		/*
127		 * Legend: proper name = the GPIO line is used as GPIO
128		 *         NC = not connected (not routed from the SoC)
129		 *         "[PER]" = pin is muxed for peripheral (not GPIO)
130		 *         "" = no idea, schematic doesn't say, could be
131		 *              unrouted (not connected to any external pin)
132		 *         LSEC = Low Speed External Connector
133		 *         HSEC = High Speed External Connector
134		 *
135		 * Pin assignments taken from LeMaker and CircuitCo Schematics
136		 * Rev A1.
137		 *
138		 * For the lines routed to the external connectors the
139		 * lines are named after the 96Boards CE Specification 1.0,
140		 * Appendix "Expansion Connector Signal Description".
141		 *
142		 * When the 96Board naming of a line and the schematic name of
143		 * the same line are in conflict, the 96Board specification
144		 * takes precedence, which means that the external UART on the
145		 * LSEC is named UART0 while the schematic and SoC names this
146		 * UART2. This is only for the informational lines i.e. "[FOO]",
147		 * the GPIO named lines "GPIO-A" thru "GPIO-L" are the only
148		 * ones actually used for GPIO.
149		 */
150		gpio0: gpio@f8011000 {
151			gpio-line-names = "PWR_HOLD", "DSI_SEL",
152			"USB_HUB_RESET_N", "USB_SEL", "HDMI_PD", "WL_REG_ON",
153			"PWRON_DET", "5V_HUB_EN";
154		};
155
156		gpio1: gpio@f8012000 {
157			gpio-line-names = "SD_DET", "HDMI_INT", "PMU_IRQ_N",
158			"WL_HOST_WAKE", "NC", "NC", "NC", "BT_REG_ON";
159		};
160
161		gpio2: gpio@f8013000 {
162			gpio-line-names =
163				"GPIO-A", /* LSEC Pin 23: GPIO2_0 */
164				"GPIO-B", /* LSEC Pin 24: GPIO2_1 */
165				"GPIO-C", /* LSEC Pin 25: GPIO2_2 */
166				"GPIO-D", /* LSEC Pin 26: GPIO2_3 */
167				"GPIO-E", /* LSEC Pin 27: GPIO2_4 */
168				"USB_ID_DET", "USB_VBUS_DET",
169				"GPIO-H"; /* LSEC Pin 30: GPIO2_7 */
170		};
171
172		gpio3: gpio@f8014000 {
173			gpio-line-names = "GPIO3_0", "NC", "NC", "", "NC", "",
174			"WLAN_ACTIVE", "NC", "NC";
175		};
176
177		gpio4: gpio@f7020000 {
178			gpio-line-names = "USER_LED1", "USER_LED2", "USER_LED3",
179			"USER_LED4", "SD_SEL", "NC", "NC", "BT_ACTIVE";
180		};
181
182		gpio5: gpio@f7021000 {
183			gpio-line-names = "NC", "NC",
184			"[UART1_RxD]", /* LSEC Pin 11: UART3_RX */
185			"[UART1_TxD]", /* LSEC Pin 13: UART3_TX */
186			"[AUX_SSI1]", "NC",
187			"[PCM_CLK]", /* LSEC Pin 18: MODEM_PCM_XCLK */
188			"[PCM_FS]"; /* LSEC Pin 16: MODEM_PCM_XFS */
189		};
190
191		gpio6: gpio@f7022000 {
192			gpio-line-names =
193			"[SPI0_DIN]", /* Pin 10: SPI0_DI */
194			"[SPI0_DOUT]", /* Pin 14: SPI0_DO */
195			"[SPI0_CS]", /* Pin 12: SPI0_CS_N */
196			"[SPI0_SCLK]", /* Pin 8: SPI0_SCLK */
197			"NC", "NC", "NC",
198			"GPIO-G"; /* Pin 29: GPIO6_7_DSI_TE0 */
199		};
200
201		gpio7: gpio@f7023000 {
202			gpio-line-names = "NC", "NC", "NC", "NC",
203			"[PCM_DI]", /* Pin 22: MODEM_PCM_DI */
204			"[PCM_DO]", /* Pin 20: MODEM_PCM_DO */
205			"NC", "NC";
206		};
207
208		gpio8: gpio@f7024000 {
209			gpio-line-names = "NC", "[CEC_CLK_19_2MHZ]", "NC",
210			"", "", "", "", "", "";
211		};
212
213		gpio9: gpio@f7025000 {
214			gpio-line-names = "",
215			"GPIO-J", /* LSEC Pin 32: ISP_PWDN0_GPIO9_1 */
216			"GPIO-L", /* LSEC Pin 34: ISP_PWDN1_GPIO9_2 */
217			"NC", "NC", "NC", "NC", "[ISP_CCLK0]";
218		};
219
220		gpio10: gpio@f7026000 {
221			gpio-line-names = "BOOT_SEL",
222			"[ISP_CCLK1]",
223			"GPIO-I", /* LSEC Pin 31: ISP_RSTB0_GPIO10_2 */
224			"GPIO-K", /* LSEC Pin 33: ISP_RSTB1_GPIO10_3 */
225			"NC", "NC",
226			"[I2C2_SDA]", /* HSEC Pin 34: ISP0_SDA */
227			"[I2C2_SCL]"; /* HSEC Pin 32: ISP0_SCL */
228		};
229
230		gpio11: gpio@f7027000 {
231			gpio-line-names =
232			"[I2C3_SDA]", /* HSEC Pin 38: ISP1_SDA */
233			"[I2C3_SCL]", /* HSEC Pin 36: ISP1_SCL */
234			"", "NC", "NC", "NC", "", "";
235		};
236
237		gpio12: gpio@f7028000 {
238			gpio-line-names = "[BT_PCM_XFS]", "[BT_PCM_DI]",
239			"[BT_PCM_DO]",
240			"NC", "NC", "NC", "NC",
241			"GPIO-F"; /* LSEC Pin 28: BL_PWM_GPIO12_7 */
242		};
243
244		gpio13: gpio@f7029000 {
245			gpio-line-names = "[UART0_RX]", "[UART0_TX]",
246			"[BT_UART1_CTS]", "[BT_UART1_RTS]",
247			"[BT_UART1_RX]", "[BT_UART1_TX]",
248			"[UART0_CTS]", /* LSEC Pin 3: UART2_CTS_N */
249			"[UART0_RTS]"; /* LSEC Pin 9: UART2_RTS_N */
250		};
251
252		gpio14: gpio@f702a000 {
253			gpio-line-names =
254			"[UART0_RxD]", /* LSEC Pin 7: UART2_RX */
255			"[UART0_TxD]", /* LSEC Pin 5: UART2_TX */
256			"[I2C0_SCL]", /* LSEC Pin 15: I2C0_SCL */
257			"[I2C0_SDA]", /* LSEC Pin 17: I2C0_SDA */
258			"[I2C1_SCL]", /* LSEC Pin 19: I2C1_SCL */
259			"[I2C1_SDA]", /* LSEC Pin 21: I2C1_SDA */
260			"[I2C2_SCL]", "[I2C2_SDA]";
261		};
262
263		gpio15: gpio@f702b000 {
264			gpio-line-names = "", "", "", "", "", "", "NC", "";
265		};
266
267		/* GPIO blocks 16 thru 19 do not appear to be routed to pins */
268
269		dwmmc_2: dwmmc2@f723f000 {
270			ti,non-removable;
271			non-removable;
272			/* WL_EN */
273			vmmc-supply = <&wlan_en_reg>;
274
275			#address-cells = <0x1>;
276			#size-cells = <0x0>;
277			wlcore: wlcore@2 {
278				compatible = "ti,wl1835";
279				reg = <2>;	/* sdio func num */
280				/* WL_IRQ, WL_HOST_WAKE_GPIO1_3 */
281				interrupt-parent = <&gpio1>;
282				interrupts = <3 IRQ_TYPE_EDGE_RISING>;
283			};
284		};
285
286		wlan_en_reg: regulator@1 {
287			compatible = "regulator-fixed";
288			regulator-name = "wlan-en-regulator";
289			regulator-min-microvolt = <1800000>;
290			regulator-max-microvolt = <1800000>;
291			/* WLAN_EN GPIO */
292			gpio = <&gpio0 5 0>;
293			/* WLAN card specific delay */
294			startup-delay-us = <70000>;
295			enable-active-high;
296		};
297	};
298
299	leds {
300		compatible = "gpio-leds";
301		user_led4 {
302			label = "user_led4";
303			gpios = <&gpio4 0 0>; /* <&gpio_user_led_1>; */
304			linux,default-trigger = "heartbeat";
305		};
306
307		user_led3 {
308			label = "user_led3";
309			gpios = <&gpio4 1 0>; /* <&gpio_user_led_2>; */
310			linux,default-trigger = "mmc0";
311		};
312
313		user_led2 {
314			label = "user_led2";
315			gpios = <&gpio4 2 0>; /* <&gpio_user_led_3>; */
316			linux,default-trigger = "mmc1";
317		};
318
319		user_led1 {
320			label = "user_led1";
321			gpios = <&gpio4 3 0>; /* <&gpio_user_led_4>; */
322			linux,default-trigger = "cpu0";
323		};
324
325		wlan_active_led {
326			label = "wifi_active";
327			gpios = <&gpio3 5 0>; /* <&gpio_wlan_active_led>; */
328			linux,default-trigger = "phy0tx";
329			default-state = "off";
330		};
331
332		bt_active_led {
333			label = "bt_active";
334			gpios = <&gpio4 7 0>; /* <&gpio_bt_active_led>; */
335			linux,default-trigger = "hci0rx";
336			default-state = "off";
337		};
338	};
339
340	pmic: pmic@f8000000 {
341		compatible = "hisilicon,hi655x-pmic";
342		reg = <0x0 0xf8000000 0x0 0x1000>;
343		#clock-cells = <0>;
344		interrupt-controller;
345		#interrupt-cells = <2>;
346		pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
347
348		regulators {
349			ldo2: LDO2 {
350				regulator-name = "LDO2_2V8";
351				regulator-min-microvolt = <2500000>;
352				regulator-max-microvolt = <3200000>;
353				regulator-enable-ramp-delay = <120>;
354			};
355
356			ldo7: LDO7 {
357				regulator-name = "LDO7_SDIO";
358				regulator-min-microvolt = <1800000>;
359				regulator-max-microvolt = <3300000>;
360				regulator-enable-ramp-delay = <120>;
361			};
362
363			ldo10: LDO10 {
364				regulator-name = "LDO10_2V85";
365				regulator-min-microvolt = <1800000>;
366				regulator-max-microvolt = <3000000>;
367				regulator-enable-ramp-delay = <360>;
368			};
369
370			ldo13: LDO13 {
371				regulator-name = "LDO13_1V8";
372				regulator-min-microvolt = <1600000>;
373				regulator-max-microvolt = <1950000>;
374				regulator-enable-ramp-delay = <120>;
375			};
376
377			ldo14: LDO14 {
378				regulator-name = "LDO14_2V8";
379				regulator-min-microvolt = <2500000>;
380				regulator-max-microvolt = <3200000>;
381				regulator-enable-ramp-delay = <120>;
382			};
383
384			ldo15: LDO15 {
385				regulator-name = "LDO15_1V8";
386				regulator-min-microvolt = <1600000>;
387				regulator-max-microvolt = <1950000>;
388				regulator-boot-on;
389				regulator-always-on;
390				regulator-enable-ramp-delay = <120>;
391			};
392
393			ldo17: LDO17 {
394				regulator-name = "LDO17_2V5";
395				regulator-min-microvolt = <2500000>;
396				regulator-max-microvolt = <3200000>;
397				regulator-enable-ramp-delay = <120>;
398			};
399
400			ldo19: LDO19 {
401				regulator-name = "LDO19_3V0";
402				regulator-min-microvolt = <1800000>;
403				regulator-max-microvolt = <3000000>;
404				regulator-enable-ramp-delay = <360>;
405			};
406
407			ldo21: LDO21 {
408				regulator-name = "LDO21_1V8";
409				regulator-min-microvolt = <1650000>;
410				regulator-max-microvolt = <2000000>;
411				regulator-always-on;
412				regulator-enable-ramp-delay = <120>;
413			};
414
415			ldo22: LDO22 {
416				regulator-name = "LDO22_1V2";
417				regulator-min-microvolt = <900000>;
418				regulator-max-microvolt = <1200000>;
419				regulator-boot-on;
420				regulator-always-on;
421				regulator-enable-ramp-delay = <120>;
422			};
423		};
424	};
425
426	firmware {
427		optee {
428			compatible = "linaro,optee-tz";
429			method = "smc";
430		};
431	};
432};
433
434&uart2 {
435	label = "LS-UART0";
436};
437&uart3 {
438	label = "LS-UART1";
439};
440
441&ade {
442	status = "ok";
443};
444
445&dsi {
446	status = "ok";
447
448	ports {
449		/* 1 for output port */
450		port@1 {
451			reg = <1>;
452
453			dsi_out0: endpoint@0 {
454				remote-endpoint = <&adv7533_in>;
455			};
456		};
457	};
458};
459
460&i2c2 {
461	#address-cells = <1>;
462	#size-cells = <0>;
463	status = "ok";
464
465	adv7533: adv7533@39 {
466		compatible = "adi,adv7533";
467		reg = <0x39>;
468		interrupt-parent = <&gpio1>;
469		interrupts = <1 2>;
470		pd-gpio = <&gpio0 4 0>;
471		adi,dsi-lanes = <4>;
472
473		port {
474			adv7533_in: endpoint {
475				remote-endpoint = <&dsi_out0>;
476			};
477		};
478	};
479};
480