1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board
4 *
5 *  Copyright (C) 2012 Atmel,
6 *                2012 Hong Xu <hong.xu@atmel.com>
7 */
8/dts-v1/;
9#include "at91sam9n12.dtsi"
10
11/ {
12	model = "Atmel AT91SAM9N12-EK";
13	compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9";
14
15	chosen {
16		bootargs = "root=/dev/mtdblock1 rw rootfstype=jffs2";
17		stdout-path = "serial0:115200n8";
18	};
19
20	memory@20000000 {
21		reg = <0x20000000 0x8000000>;
22	};
23
24	clocks {
25		slow_xtal {
26			clock-frequency = <32768>;
27		};
28
29		main_xtal {
30			clock-frequency = <16000000>;
31		};
32	};
33
34	ahb {
35		apb {
36			dbgu: serial@fffff200 {
37				status = "okay";
38			};
39
40			ssc0: ssc@f0010000 {
41				status = "okay";
42			};
43
44			tcb0: timer@f8008000 {
45				timer@0 {
46					compatible = "atmel,tcb-timer";
47					reg = <0>;
48				};
49
50				timer@1 {
51					compatible = "atmel,tcb-timer";
52					reg = <1>;
53				};
54			};
55
56			i2c0: i2c@f8010000 {
57				status = "okay";
58
59				wm8904: codec@1a {
60					compatible = "wlf,wm8904";
61					reg = <0x1a>;
62					clocks = <&pmc PMC_TYPE_SYSTEM 8>;
63					clock-names = "mclk";
64				};
65
66				qt1070: keyboard@1b {
67					compatible = "qt1070";
68					reg = <0x1b>;
69					interrupt-parent = <&pioA>;
70					interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
71					pinctrl-names = "default";
72					pinctrl-0 = <&pinctrl_qt1070_irq>;
73				};
74			};
75
76			mmc0: mmc@f0008000 {
77				pinctrl-0 = <
78					&pinctrl_board_mmc0
79					&pinctrl_mmc0_slot0_clk_cmd_dat0
80					&pinctrl_mmc0_slot0_dat1_3>;
81				status = "okay";
82				slot@0 {
83					reg = <0>;
84					bus-width = <4>;
85					cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
86				};
87			};
88
89			pinctrl@fffff400 {
90				mmc0 {
91					pinctrl_board_mmc0: mmc0-board {
92						atmel,pins =
93							<AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PA7 gpio CD pin pull up and deglitch */
94					};
95				};
96
97				qt1070 {
98					pinctrl_qt1070_irq: qt1070_irq {
99						atmel,pins =
100							<AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
101					};
102				};
103
104				sound {
105					pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
106						atmel,pins =
107							<AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
108					};
109				};
110
111				usb1 {
112					pinctrl_usb1_vbus_sense: usb1_vbus_sense {
113						atmel,pins =
114							<AT91_PIOB 16 AT91_PERIPH_GPIO AT91_PINCTRL_DEGLITCH>;	/* PB16 gpio usb vbus sense, no pull up and deglitch */
115					};
116				};
117			};
118
119			spi0: spi@f0000000 {
120				status = "okay";
121				cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
122				m25p80@0 {
123					compatible = "atmel,at25df321a";
124					spi-max-frequency = <50000000>;
125					reg = <0>;
126				};
127			};
128
129			hlcdc: hlcdc@f8038000 {
130				status = "okay";
131
132				hlcdc-display-controller {
133					pinctrl-names = "default";
134					pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb888>;
135
136					port@0 {
137						hlcdc_panel_output: endpoint@0 {
138							reg = <0>;
139							remote-endpoint = <&panel_input>;
140						};
141					};
142				};
143			};
144
145			usb1: gadget@f803c000 {
146				pinctrl-names = "default";
147				pinctrl-0 = <&pinctrl_usb1_vbus_sense>;
148				atmel,vbus-gpio = <&pioB 16 GPIO_ACTIVE_HIGH>;
149				status = "okay";
150			};
151
152			watchdog@fffffe40 {
153				status = "okay";
154			};
155
156			rtc@fffffeb0 {
157				status = "okay";
158			};
159		};
160
161		ebi: ebi@10000000 {
162			status = "okay";
163
164			nand_controller: nand-controller {
165				status = "okay";
166				pinctrl-0 = <&pinctrl_nand_cs &pinctrl_nand_rb>;
167				pinctrl-names = "default";
168
169				nand@3 {
170					reg = <0x3 0x0 0x800000>;
171					rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>;
172					cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>;
173					nand-bus-width = <8>;
174					nand-ecc-mode = "soft";
175					nand-ecc-strength = <2>;
176					nand-ecc-step-size = <512>;
177					nand-on-flash-bbt;
178					label = "atmel_nand";
179				};
180			};
181		};
182
183		usb0: ohci@500000 {
184			num-ports = <1>;
185			atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>;
186			status = "okay";
187		};
188	};
189
190	backlight: backlight {
191		compatible = "pwm-backlight";
192		pwms = <&hlcdc_pwm 0 50000 0>;
193		brightness-levels = <0 4 8 16 32 64 128 255>;
194		default-brightness-level = <6>;
195		power-supply = <&bl_reg>;
196		status = "okay";
197	};
198
199	bl_reg: backlight_regulator {
200		compatible = "regulator-fixed";
201		regulator-name = "backlight-power-supply";
202		regulator-min-microvolt = <5000000>;
203		regulator-max-microvolt = <5000000>;
204		status = "okay";
205	};
206
207	leds {
208		compatible = "gpio-leds";
209
210		d8 {
211			label = "d8";
212			gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
213			linux,default-trigger = "mmc0";
214		};
215
216		d9 {
217			label = "d9";
218			gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
219			linux,default-trigger = "nand-disk";
220		};
221
222		d10 {
223			label = "d10";
224			gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
225			linux,default-trigger = "heartbeat";
226		};
227	};
228
229	gpio_keys {
230		compatible = "gpio-keys";
231
232		enter {
233			label = "Enter";
234			gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
235			linux,code = <28>;
236			wakeup-source;
237		};
238	};
239
240	panel: panel {
241		compatible = "qiaodian,qd43003c0-40";
242		backlight = <&backlight>;
243		power-supply = <&panel_reg>;
244		#address-cells = <1>;
245		#size-cells = <0>;
246		status = "okay";
247
248		port@0 {
249			reg = <0>;
250			#address-cells = <1>;
251			#size-cells = <0>;
252
253			panel_input: endpoint@0 {
254				reg = <0>;
255				remote-endpoint = <&hlcdc_panel_output>;
256			};
257		};
258	};
259
260	panel_reg: panel_regulator {
261		compatible = "regulator-fixed";
262		regulator-name = "panel-power-supply";
263		regulator-min-microvolt = <3300000>;
264		regulator-max-microvolt = <3300000>;
265		status = "okay";
266	};
267
268	sound {
269		compatible = "atmel,asoc-wm8904";
270		pinctrl-names = "default";
271		pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
272
273		atmel,model = "wm8904 @ AT91SAM9N12";
274		atmel,audio-routing =
275			"Headphone Jack", "HPOUTL",
276			"Headphone Jack", "HPOUTR",
277			"IN2L", "Line In Jack",
278			"IN2R", "Line In Jack",
279			"Mic", "MICBIAS",
280			"IN1L", "Mic";
281
282		atmel,ssc-controller = <&ssc0>;
283		atmel,audio-codec = <&wm8904>;
284	};
285};
286