at91sam9n12ek.dts revision 262569 
1/*
2 * at91sam9n12ek.dts - Device Tree file for AT91SAM9N12-EK board
3 *
4 *  Copyright (C) 2012 Atmel,
5 *                2012 Hong Xu <hong.xu@atmel.com>
6 *
7 * Licensed under GPLv2 or later.
8 */
9/dts-v1/;
10#include "at91sam9n12.dtsi"
11
12/ {
13	model = "Atmel AT91SAM9N12-EK";
14	compatible = "atmel,at91sam9n12ek", "atmel,at91sam9n12", "atmel,at91sam9";
15
16	chosen {
17		bootargs = "console=ttyS0,115200 root=/dev/mtdblock1 rw rootfstype=jffs2";
18	};
19
20	memory {
21		reg = <0x20000000 0x8000000>;
22	};
23
24	clocks {
25		#address-cells = <1>;
26		#size-cells = <1>;
27		ranges;
28
29		main_clock: clock@0 {
30			compatible = "atmel,osc", "fixed-clock";
31			clock-frequency = <16000000>;
32		};
33	};
34
35	ahb {
36		apb {
37			dbgu: serial@fffff200 {
38				status = "okay";
39			};
40
41			ssc0: ssc@f0010000 {
42				status = "okay";
43			};
44
45			i2c0: i2c@f8010000 {
46				status = "okay";
47
48				wm8904: codec@1a {
49					compatible = "wm8904";
50					reg = <0x1a>;
51				};
52
53				qt1070: keyboard@1b {
54					compatible = "qt1070";
55					reg = <0x1b>;
56					interrupt-parent = <&pioA>;
57					interrupts = <2 IRQ_TYPE_EDGE_FALLING>;
58					pinctrl-names = "default";
59					pinctrl-0 = <&pinctrl_qt1070_irq>;
60				};
61			};
62
63			i2c1: i2c@f8014000 {
64				status = "okay";
65			};
66
67			mmc0: mmc@f0008000 {
68				pinctrl-0 = <
69					&pinctrl_board_mmc0
70					&pinctrl_mmc0_slot0_clk_cmd_dat0
71					&pinctrl_mmc0_slot0_dat1_3>;
72				status = "okay";
73				slot@0 {
74					reg = <0>;
75					bus-width = <4>;
76					cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>;
77				};
78			};
79
80			pinctrl@fffff400 {
81				mmc0 {
82					pinctrl_board_mmc0: mmc0-board {
83						atmel,pins =
84							<AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PA7 gpio CD pin pull up and deglitch */
85					};
86				};
87
88				qt1070 {
89					pinctrl_qt1070_irq: qt1070_irq {
90						atmel,pins =
91							<AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;
92					};
93				};
94
95				sound {
96					pinctrl_pck0_as_audio_mck: pck0_as_audio_mck {
97						atmel,pins =
98							<AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>;
99					};
100				};
101			};
102
103			spi0: spi@f0000000 {
104				status = "okay";
105				cs-gpios = <&pioA 14 0>, <0>, <0>, <0>;
106				m25p80@0 {
107					compatible = "atmel,at25df321a";
108					spi-max-frequency = <50000000>;
109					reg = <0>;
110				};
111			};
112
113			watchdog@fffffe40 {
114				status = "okay";
115			};
116		};
117
118		nand0: nand@40000000 {
119			nand-bus-width = <8>;
120			nand-ecc-mode = "hw";
121			atmel,has-pmecc;
122			atmel,pmecc-cap = <2>;
123			atmel,pmecc-sector-size = <512>;
124			nand-on-flash-bbt;
125			status = "okay";
126		};
127
128		usb0: ohci@00500000 {
129			status = "okay";
130		};
131	};
132
133	leds {
134		compatible = "gpio-leds";
135
136		d8 {
137			label = "d8";
138			gpios = <&pioB 4 GPIO_ACTIVE_LOW>;
139			linux,default-trigger = "mmc0";
140		};
141
142		d9 {
143			label = "d6";
144			gpios = <&pioB 5 GPIO_ACTIVE_LOW>;
145			linux,default-trigger = "nand-disk";
146		};
147
148		d10 {
149			label = "d7";
150			gpios = <&pioB 6 GPIO_ACTIVE_HIGH>;
151			linux,default-trigger = "heartbeat";
152		};
153	};
154
155	gpio_keys {
156		compatible = "gpio-keys";
157
158		enter {
159			label = "Enter";
160			gpios = <&pioB 3 GPIO_ACTIVE_LOW>;
161			linux,code = <28>;
162			gpio-key,wakeup;
163		};
164	};
165
166	sound {
167		compatible = "atmel,asoc-wm8904";
168		pinctrl-names = "default";
169		pinctrl-0 = <&pinctrl_pck0_as_audio_mck>;
170
171		atmel,model = "wm8904 @ AT91SAM9N12";
172		atmel,audio-routing =
173			"Headphone Jack", "HPOUTL",
174			"Headphone Jack", "HPOUTR",
175			"IN2L", "Line In Jack",
176			"IN2R", "Line In Jack",
177			"Mic", "MICBIAS",
178			"IN1L", "Mic";
179
180		atmel,ssc-controller = <&ssc0>;
181		atmel,audio-codec = <&wm8904>;
182	};
183};
184