1/*
2 * at91sam9g20ek.dts - Device Tree file for Atmel at91sam9g20ek board
3 *
4 * Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
5 *
6 * Licensed under GPLv2.
7 */
8/dts-v1/;
9#include "at91sam9g45.dtsi"
10
11/ {
12	model = "Bluewater Systems Gurnard";
13	compatible = "atmel,at91sam9g45", "atmel,at91sam9";
14
15	chosen {
16		bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
17		stdout-path = "serial0:115200n8";
18	};
19
20	memory {
21		reg = <0x20000000 0x8000000>;
22	};
23
24	clocks {
25		slow_xtal {
26			clock-frequency = <32768>;
27		};
28
29		main_xtal {
30			clock-frequency = <18432000>;
31		};
32	};
33
34	ahb {
35		u-boot,dm-pre-reloc;
36
37		fb@0x00500000 {
38			u-boot,dm-pre-reloc;
39			status = "okay";
40			display-timings {
41				rev1 {
42					clock-frequency = <4166666>;
43					hactive = <480>;
44					vactive = <272>;
45					hfront-porch = <1>;
46					hback-porch = <1>;
47					hsync-len = <1>;
48					vback-porch = <4>;
49					vfront-porch = <2>;
50					vsync-len = <1>;
51					hsync-active = <0>;
52					vsync-active = <0>;
53				};
54
55				rev2 {
56					clock-frequency = <4166666>;
57					hactive = <480>;
58					vactive = <272>;
59					hfront-porch = <2>;
60					hback-porch = <2>;
61					hsync-len = <10>;
62					vback-porch = <2>;
63					vfront-porch = <2>;
64					vsync-len = <10>;
65					hsync-active = <0>;
66					vsync-active = <0>;
67				};
68			};
69		};
70
71		apb {
72			pinctrl@fffff400 {
73				board {
74					pinctrl_pck0_as_mck: pck0_as_mck {
75						atmel,pins =
76							<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>;	/* PC1 periph B */
77					};
78
79				};
80
81				mmc0_slot1 {
82					pinctrl_board_mmc0_slot1: mmc0_slot1-board {
83						atmel,pins =
84							<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>;	/* PC9 gpio CD pin pull up and deglitch */
85					};
86				};
87			};
88
89			dbgu: serial@ffffee00 {
90				status = "okay";
91			};
92
93			macb0: ethernet@fffbc000 {
94				phy-mode = "rmii";
95				status = "okay";
96			};
97
98			mmc0: mmc@fff80000 {
99				pinctrl-0 = <
100					&pinctrl_board_mmc0_slot1
101					&pinctrl_mmc0_slot0_clk_cmd_dat0
102					&pinctrl_mmc0_slot0_dat1_3>;
103				status = "okay";
104				slot@1 {
105					reg = <1>;
106					bus-width = <4>;
107					cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
108				};
109			};
110
111			ssc0: ssc@fff9c000 {
112				status = "okay";
113				pinctrl-0 = <&pinctrl_ssc0_tx>;
114			};
115
116			spi0: spi@fffa4000 {
117				cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
118				mtd_dataflash@1 {
119					compatible = "atmel,at45", "atmel,dataflash";
120					spi-max-frequency = <50000000>;
121					reg = <1>;
122				};
123			};
124
125			shdwc@fffffd10 {
126				atmel,wakeup-counter = <10>;
127				atmel,wakeup-rtt-timer;
128			};
129
130			rtc@fffffd20 {
131				atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
132				status = "okay";
133			};
134
135			watchdog@fffffd40 {
136				status = "okay";
137			};
138
139			gpbr: syscon@fffffd60 {
140				status = "okay";
141			};
142		};
143
144		nand0: nand@40000000 {
145			nand-bus-width = <8>;
146			nand-ecc-mode = "hardware";
147			nand-on-flash-bbt;
148			status = "okay";
149		};
150
151		usb1: ehci@00800000 {
152			atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
153			status = "okay";
154		};
155	};
156
157};
158