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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 {
- u-boot,dm-pre-reloc;
- fb@0x00500000 {
- u-boot,dm-pre-reloc;
- 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@0 {
- 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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