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	 *  0x06df,f000 - 0x06df,ffff: Mailbox message data
33	 *  0x0740,f000 - 0x0740,ffff: MCU firmware section
34	 *  0x3e00,0000 - 0x3fff,ffff: OP-TEE
35	 */
36	memory@0 {
37		device_type = "memory";
38		reg = <0x00000000 0x00000000 0x00000000 0x05e00000>,
39		      <0x00000000 0x05f00000 0x00000000 0x00eff000>,
40		      <0x00000000 0x06e00000 0x00000000 0x0060f000>,
41		      <0x00000000 0x07410000 0x00000000 0x36bf0000>;
42	};
43
44	soc {
45		spi0: spi@f7106000 {
46			status = "ok";
47		};
48
49		i2c0: i2c@f7100000 {
50			status = "ok";
51		};
52
53		i2c1: i2c@f7101000 {
54			status = "ok";
55		};
56
57		uart1: uart@f7111000 {
58			status = "ok";
59		};
60
61		uart2: uart@f7112000 {
62			status = "ok";
63		};
64
65		uart3: uart@f7113000 {
66			status = "ok";
67		};
68
69		/*
70		 * Legend: proper name = the GPIO line is used as GPIO
71		 *         NC = not connected (not routed from the SoC)
72		 *         "[PER]" = pin is muxed for peripheral (not GPIO)
73		 *         "" = no idea, schematic doesn't say, could be
74		 *              unrouted (not connected to any external pin)
75		 *         LSEC = Low Speed External Connector
76		 *         HSEC = High Speed External Connector
77		 *
78		 * Pin assignments taken from LeMaker and CircuitCo Schematics
79		 * Rev A1.
80		 *
81		 * For the lines routed to the external connectors the
82		 * lines are named after the 96Boards CE Specification 1.0,
83		 * Appendix "Expansion Connector Signal Description".
84		 *
85		 * When the 96Board naming of a line and the schematic name of
86		 * the same line are in conflict, the 96Board specification
87		 * takes precedence, which means that the external UART on the
88		 * LSEC is named UART0 while the schematic and SoC names this
89		 * UART2. This is only for the informational lines i.e. "[FOO]",
90		 * the GPIO named lines "GPIO-A" thru "GPIO-L" are the only
91		 * ones actually used for GPIO.
92		 */
93		gpio0: gpio@f8011000 {
94			gpio-line-names = "PWR_HOLD", "DSI_SEL",
95			"USB_HUB_RESET_N", "USB_SEL", "HDMI_PD", "WL_REG_ON",
96			"PWRON_DET", "5V_HUB_EN";
97		};
98
99		gpio1: gpio@f8012000 {
100			gpio-line-names = "SD_DET", "HDMI_INT", "PMU_IRQ_N",
101			"WL_HOST_WAKE", "NC", "NC", "NC", "BT_REG_ON";
102		};
103
104		gpio2: gpio@f8013000 {
105			gpio-line-names =
106				"GPIO-A", /* LSEC Pin 23: GPIO2_0 */
107				"GPIO-B", /* LSEC Pin 24: GPIO2_1 */
108				"GPIO-C", /* LSEC Pin 25: GPIO2_2 */
109				"GPIO-D", /* LSEC Pin 26: GPIO2_3 */
110				"GPIO-E", /* LSEC Pin 27: GPIO2_4 */
111				"USB_ID_DET", "USB_VBUS_DET",
112				"GPIO-H"; /* LSEC Pin 30: GPIO2_7 */
113		};
114
115		gpio3: gpio@f8014000 {
116			gpio-line-names = "GPIO3_0", "NC", "NC", "", "NC", "",
117			"WLAN_ACTIVE", "NC", "NC";
118		};
119
120		gpio4: gpio@f7020000 {
121			gpio-line-names = "USER_LED1", "USER_LED2", "USER_LED3",
122			"USER_LED4", "SD_SEL", "NC", "NC", "BT_ACTIVE";
123		};
124
125		gpio5: gpio@f7021000 {
126			gpio-line-names = "NC", "NC",
127			"[UART1_RxD]", /* LSEC Pin 11: UART3_RX */
128			"[UART1_TxD]", /* LSEC Pin 13: UART3_TX */
129			"[AUX_SSI1]", "NC",
130			"[PCM_CLK]", /* LSEC Pin 18: MODEM_PCM_XCLK */
131			"[PCM_FS]"; /* LSEC Pin 16: MODEM_PCM_XFS */
132		};
133
134		gpio6: gpio@f7022000 {
135			gpio-line-names =
136			"[SPI0_DIN]", /* Pin 10: SPI0_DI */
137			"[SPI0_DOUT]", /* Pin 14: SPI0_DO */
138			"[SPI0_CS]", /* Pin 12: SPI0_CS_N */
139			"[SPI0_SCLK]", /* Pin 8: SPI0_SCLK */
140			"NC", "NC", "NC",
141			"GPIO-G"; /* Pin 29: GPIO6_7_DSI_TE0 */
142		};
143
144		gpio7: gpio@f7023000 {
145			gpio-line-names = "NC", "NC", "NC", "NC",
146			"[PCM_DI]", /* Pin 22: MODEM_PCM_DI */
147			"[PCM_DO]", /* Pin 20: MODEM_PCM_DO */
148			"NC", "NC";
149		};
150
151		gpio8: gpio@f7024000 {
152			gpio-line-names = "NC", "[CEC_CLK_19_2MHZ]", "NC",
153			"", "", "", "", "", "";
154		};
155
156		gpio9: gpio@f7025000 {
157			gpio-line-names = "",
158			"GPIO-J", /* LSEC Pin 32: ISP_PWDN0_GPIO9_1 */
159			"GPIO-L", /* LSEC Pin 34: ISP_PWDN1_GPIO9_2 */
160			"NC", "NC", "NC", "NC", "[ISP_CCLK0]";
161		};
162
163		gpio10: gpio@f7026000 {
164			gpio-line-names = "BOOT_SEL",
165			"[ISP_CCLK1]",
166			"GPIO-I", /* LSEC Pin 31: ISP_RSTB0_GPIO10_2 */
167			"GPIO-K", /* LSEC Pin 33: ISP_RSTB1_GPIO10_3 */
168			"NC", "NC",
169			"[I2C2_SDA]", /* HSEC Pin 34: ISP0_SDA */
170			"[I2C2_SCL]"; /* HSEC Pin 32: ISP0_SCL */
171		};
172
173		gpio11: gpio@f7027000 {
174			gpio-line-names =
175			"[I2C3_SDA]", /* HSEC Pin 38: ISP1_SDA */
176			"[I2C3_SCL]", /* HSEC Pin 36: ISP1_SCL */
177			"", "NC", "NC", "NC", "", "";
178		};
179
180		gpio12: gpio@f7028000 {
181			gpio-line-names = "[BT_PCM_XFS]", "[BT_PCM_DI]",
182			"[BT_PCM_DO]",
183			"NC", "NC", "NC", "NC",
184			"GPIO-F"; /* LSEC Pin 28: BL_PWM_GPIO12_7 */
185		};
186
187		gpio13: gpio@f7029000 {
188			gpio-line-names = "[UART0_RX]", "[UART0_TX]",
189			"[BT_UART1_CTS]", "[BT_UART1_RTS]",
190			"[BT_UART1_RX]", "[BT_UART1_TX]",
191			"[UART0_CTS]", /* LSEC Pin 3: UART2_CTS_N */
192			"[UART0_RTS]"; /* LSEC Pin 9: UART2_RTS_N */
193		};
194
195		gpio14: gpio@f702a000 {
196			gpio-line-names =
197			"[UART0_RxD]", /* LSEC Pin 7: UART2_RX */
198			"[UART0_TxD]", /* LSEC Pin 5: UART2_TX */
199			"[I2C0_SCL]", /* LSEC Pin 15: I2C0_SCL */
200			"[I2C0_SDA]", /* LSEC Pin 17: I2C0_SDA */
201			"[I2C1_SCL]", /* LSEC Pin 19: I2C1_SCL */
202			"[I2C1_SDA]", /* LSEC Pin 21: I2C1_SDA */
203			"[I2C2_SCL]", "[I2C2_SDA]";
204		};
205
206		gpio15: gpio@f702b000 {
207			gpio-line-names = "", "", "", "", "", "", "NC", "";
208		};
209
210		/* GPIO blocks 16 thru 19 do not appear to be routed to pins */
211
212		dwmmc_2: dwmmc2@f723f000 {
213			ti,non-removable;
214			non-removable;
215			/* WL_EN */
216			vmmc-supply = <&wlan_en_reg>;
217
218			#address-cells = <0x1>;
219			#size-cells = <0x0>;
220			wlcore: wlcore@2 {
221				compatible = "ti,wl1835";
222				reg = <2>;	/* sdio func num */
223				/* WL_IRQ, WL_HOST_WAKE_GPIO1_3 */
224				interrupt-parent = <&gpio1>;
225				interrupts = <3 IRQ_TYPE_EDGE_RISING>;
226			};
227		};
228
229		wlan_en_reg: regulator@1 {
230			compatible = "regulator-fixed";
231			regulator-name = "wlan-en-regulator";
232			regulator-min-microvolt = <1800000>;
233			regulator-max-microvolt = <1800000>;
234			/* WLAN_EN GPIO */
235			gpio = <&gpio0 5 0>;
236			/* WLAN card specific delay */
237			startup-delay-us = <70000>;
238			enable-active-high;
239		};
240	};
241
242	leds {
243		compatible = "gpio-leds";
244		user_led4 {
245			label = "user_led4";
246			gpios = <&gpio4 0 0>; /* <&gpio_user_led_1>; */
247			linux,default-trigger = "heartbeat";
248		};
249
250		user_led3 {
251			label = "user_led3";
252			gpios = <&gpio4 1 0>; /* <&gpio_user_led_2>; */
253			linux,default-trigger = "mmc0";
254		};
255
256		user_led2 {
257			label = "user_led2";
258			gpios = <&gpio4 2 0>; /* <&gpio_user_led_3>; */
259			linux,default-trigger = "mmc1";
260		};
261
262		user_led1 {
263			label = "user_led1";
264			gpios = <&gpio4 3 0>; /* <&gpio_user_led_4>; */
265			linux,default-trigger = "cpu0";
266		};
267
268		wlan_active_led {
269			label = "wifi_active";
270			gpios = <&gpio3 5 0>; /* <&gpio_wlan_active_led>; */
271			linux,default-trigger = "phy0tx";
272			default-state = "off";
273		};
274
275		bt_active_led {
276			label = "bt_active";
277			gpios = <&gpio4 7 0>; /* <&gpio_bt_active_led>; */
278			linux,default-trigger = "hci0rx";
279			default-state = "off";
280		};
281	};
282
283	pmic: pmic@f8000000 {
284		compatible = "hisilicon,hi655x-pmic";
285		reg = <0x0 0xf8000000 0x0 0x1000>;
286		interrupt-controller;
287		#interrupt-cells = <2>;
288		pmic-gpios = <&gpio1 2 GPIO_ACTIVE_HIGH>;
289
290		regulators {
291			ldo2: LDO2 {
292				regulator-name = "LDO2_2V8";
293				regulator-min-microvolt = <2500000>;
294				regulator-max-microvolt = <3200000>;
295				regulator-enable-ramp-delay = <120>;
296			};
297
298			ldo7: LDO7 {
299				regulator-name = "LDO7_SDIO";
300				regulator-min-microvolt = <1800000>;
301				regulator-max-microvolt = <3300000>;
302				regulator-enable-ramp-delay = <120>;
303			};
304
305			ldo10: LDO10 {
306				regulator-name = "LDO10_2V85";
307				regulator-min-microvolt = <1800000>;
308				regulator-max-microvolt = <3000000>;
309				regulator-enable-ramp-delay = <360>;
310			};
311
312			ldo13: LDO13 {
313				regulator-name = "LDO13_1V8";
314				regulator-min-microvolt = <1600000>;
315				regulator-max-microvolt = <1950000>;
316				regulator-enable-ramp-delay = <120>;
317			};
318
319			ldo14: LDO14 {
320				regulator-name = "LDO14_2V8";
321				regulator-min-microvolt = <2500000>;
322				regulator-max-microvolt = <3200000>;
323				regulator-enable-ramp-delay = <120>;
324			};
325
326			ldo15: LDO15 {
327				regulator-name = "LDO15_1V8";
328				regulator-min-microvolt = <1600000>;
329				regulator-max-microvolt = <1950000>;
330				regulator-boot-on;
331				regulator-always-on;
332				regulator-enable-ramp-delay = <120>;
333			};
334
335			ldo17: LDO17 {
336				regulator-name = "LDO17_2V5";
337				regulator-min-microvolt = <2500000>;
338				regulator-max-microvolt = <3200000>;
339				regulator-enable-ramp-delay = <120>;
340			};
341
342			ldo19: LDO19 {
343				regulator-name = "LDO19_3V0";
344				regulator-min-microvolt = <1800000>;
345				regulator-max-microvolt = <3000000>;
346				regulator-enable-ramp-delay = <360>;
347			};
348
349			ldo21: LDO21 {
350				regulator-name = "LDO21_1V8";
351				regulator-min-microvolt = <1650000>;
352				regulator-max-microvolt = <2000000>;
353				regulator-always-on;
354				regulator-enable-ramp-delay = <120>;
355			};
356
357			ldo22: LDO22 {
358				regulator-name = "LDO22_1V2";
359				regulator-min-microvolt = <900000>;
360				regulator-max-microvolt = <1200000>;
361				regulator-boot-on;
362				regulator-always-on;
363				regulator-enable-ramp-delay = <120>;
364			};
365		};
366	};
367};
368
369&uart2 {
370	label = "LS-UART0";
371};
372&uart3 {
373	label = "LS-UART1";
374};
375