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 slow_xtal { 35 clock-frequency = <32768>; 36 }; 37 38 main_xtal { 39 clock-frequency = <16000000>; 40 }; 41 }; 42 43 ahb { 44 apb { 45 dbgu: serial@fffff200 { 46 status = "okay"; 47 }; 48 49 ssc0: ssc@f0010000 { 50 status = "okay"; 51 }; 52 53 i2c0: i2c@f8010000 { 54 status = "okay"; 55 56 wm8904: codec@1a { 57 compatible = "wlf,wm8904"; 58 reg = <0x1a>; 59 clocks = <&pck0>; 60 clock-names = "mclk"; 61 }; 62 63 qt1070: keyboard@1b { 64 compatible = "qt1070"; 65 reg = <0x1b>; 66 interrupt-parent = <&pioA>; 67 interrupts = <2 IRQ_TYPE_EDGE_FALLING>; 68 pinctrl-names = "default"; 69 pinctrl-0 = <&pinctrl_qt1070_irq>; 70 }; 71 }; 72 73 i2c1: i2c@f8014000 { 74 status = "okay"; 75 }; 76 77 mmc0: mmc@f0008000 { 78 pinctrl-0 = < 79 &pinctrl_board_mmc0 80 &pinctrl_mmc0_slot0_clk_cmd_dat0 81 &pinctrl_mmc0_slot0_dat1_3>; 82 status = "okay"; 83 slot@0 { 84 reg = <0>; 85 bus-width = <4>; 86 cd-gpios = <&pioA 7 GPIO_ACTIVE_HIGH>; 87 }; 88 }; 89 90 pinctrl@fffff400 { 91 mmc0 { 92 pinctrl_board_mmc0: mmc0-board { 93 atmel,pins = 94 <AT91_PIOA 7 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PA7 gpio CD pin pull up and deglitch */ 95 }; 96 }; 97 98 qt1070 { 99 pinctrl_qt1070_irq: qt1070_irq { 100 atmel,pins = 101 <AT91_PIOA 2 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; 102 }; 103 }; 104 105 sound { 106 pinctrl_pck0_as_audio_mck: pck0_as_audio_mck { 107 atmel,pins = 108 <AT91_PIOB 10 AT91_PERIPH_B AT91_PINCTRL_NONE>; 109 }; 110 }; 111 }; 112 113 spi0: spi@f0000000 { 114 status = "okay"; 115 cs-gpios = <&pioA 14 0>, <0>, <0>, <0>; 116 m25p80@0 { 117 compatible = "atmel,at25df321a"; 118 spi-max-frequency = <50000000>; 119 reg = <0>; 120 }; 121 }; 122 123 watchdog@fffffe40 { 124 status = "okay"; 125 }; 126 }; 127 128 nand0: nand@40000000 { 129 nand-bus-width = <8>; 130 nand-ecc-mode = "hw"; 131 atmel,has-pmecc; 132 atmel,pmecc-cap = <2>; 133 atmel,pmecc-sector-size = <512>; 134 nand-on-flash-bbt; 135 status = "okay"; 136 }; 137 138 usb0: ohci@00500000 { 139 num-ports = <1>; 140 atmel,vbus-gpio = <&pioB 7 GPIO_ACTIVE_LOW>; 141 status = "okay"; 142 }; 143 }; 144 145 leds { 146 compatible = "gpio-leds"; 147 148 d8 { 149 label = "d8"; 150 gpios = <&pioB 4 GPIO_ACTIVE_LOW>; 151 linux,default-trigger = "mmc0"; 152 }; 153 154 d9 { 155 label = "d6"; 156 gpios = <&pioB 5 GPIO_ACTIVE_LOW>; 157 linux,default-trigger = "nand-disk"; 158 }; 159 160 d10 { 161 label = "d7"; 162 gpios = <&pioB 6 GPIO_ACTIVE_HIGH>; 163 linux,default-trigger = "heartbeat"; 164 }; 165 }; 166 167 gpio_keys { 168 compatible = "gpio-keys"; 169 170 enter { 171 label = "Enter"; 172 gpios = <&pioB 3 GPIO_ACTIVE_LOW>; 173 linux,code = <28>; 174 gpio-key,wakeup; 175 }; 176 }; 177 178 sound { 179 compatible = "atmel,asoc-wm8904"; 180 pinctrl-names = "default"; 181 pinctrl-0 = <&pinctrl_pck0_as_audio_mck>; 182 183 atmel,model = "wm8904 @ AT91SAM9N12"; 184 atmel,audio-routing = 185 "Headphone Jack", "HPOUTL", 186 "Headphone Jack", "HPOUTR", 187 "IN2L", "Line In Jack", 188 "IN2R", "Line In Jack", 189 "Mic", "MICBIAS", 190 "IN1L", "Mic"; 191 192 atmel,ssc-controller = <&ssc0>; 193 atmel,audio-codec = <&wm8904>; 194 }; 195}; 196