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