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/*
* at91sam9g20ek.dts - Device Tree file for Atmel at91sam9g20ek board
*
* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
*
* Licensed under GPLv2.
*/
/dts-v1/;
#include "at91sam9g45.dtsi"
/ {
model = "Bluewater Systems Gurnard";
compatible = "atmel,at91sam9g45", "atmel,at91sam9";
chosen {
bootargs = "mem=64M root=/dev/mtdblock5 rw rootfstype=ubifs";
stdout-path = "serial0:115200n8";
};
memory {
reg = <0x20000000 0x8000000>;
};
clocks {
slow_xtal {
clock-frequency = <32768>;
};
main_xtal {
clock-frequency = <18432000>;
};
};
ahb {
bootph-all;
fb@0x00500000 {
bootph-all;
status = "okay";
display-timings {
rev1 {
clock-frequency = <4166666>;
hactive = <480>;
vactive = <272>;
hfront-porch = <1>;
hback-porch = <1>;
hsync-len = <1>;
vback-porch = <4>;
vfront-porch = <2>;
vsync-len = <1>;
hsync-active = <0>;
vsync-active = <0>;
};
rev2 {
clock-frequency = <4166666>;
hactive = <480>;
vactive = <272>;
hfront-porch = <2>;
hback-porch = <2>;
hsync-len = <10>;
vback-porch = <2>;
vfront-porch = <2>;
vsync-len = <10>;
hsync-active = <0>;
vsync-active = <0>;
};
};
};
apb {
pinctrl@fffff400 {
board {
pinctrl_pck0_as_mck: pck0_as_mck {
atmel,pins =
<AT91_PIOC 1 AT91_PERIPH_B AT91_PINCTRL_NONE>; /* PC1 periph B */
};
};
mmc0_slot1 {
pinctrl_board_mmc0_slot1: mmc0_slot1-board {
atmel,pins =
<AT91_PIOC 9 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP_DEGLITCH>; /* PC9 gpio CD pin pull up and deglitch */
};
};
};
dbgu: serial@ffffee00 {
status = "okay";
};
macb0: ethernet@fffbc000 {
phy-mode = "rmii";
status = "okay";
};
mmc0: mmc@fff80000 {
pinctrl-0 = <
&pinctrl_board_mmc0_slot1
&pinctrl_mmc0_slot0_clk_cmd_dat0
&pinctrl_mmc0_slot0_dat1_3>;
status = "okay";
slot@1 {
reg = <1>;
bus-width = <4>;
cd-gpios = <&pioC 9 GPIO_ACTIVE_HIGH>;
};
};
ssc0: ssc@fff9c000 {
status = "okay";
pinctrl-0 = <&pinctrl_ssc0_tx>;
};
spi0: spi@fffa4000 {
cs-gpios = <0>, <&pioC 11 0>, <0>, <0>;
mtd_dataflash@1 {
compatible = "atmel,at45", "atmel,dataflash";
spi-max-frequency = <50000000>;
reg = <1>;
};
};
shdwc@fffffd10 {
atmel,wakeup-counter = <10>;
atmel,wakeup-rtt-timer;
};
rtc@fffffd20 {
atmel,rtt-rtc-time-reg = <&gpbr 0x0>;
status = "okay";
};
watchdog@fffffd40 {
status = "okay";
};
gpbr: syscon@fffffd60 {
status = "okay";
};
};
nand0: nand@40000000 {
nand-bus-width = <8>;
nand-ecc-mode = "hardware";
nand-on-flash-bbt;
status = "okay";
};
usb1: ehci@00800000 {
atmel,vbus-gpio = <&pioC 5 GPIO_ACTIVE_HIGH>;
status = "okay";
};
};
};
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