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@0 { 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