191 lines
3.5 KiB
Plaintext
191 lines
3.5 KiB
Plaintext
/*
|
|
* at91-ariag25.dts - Device Tree file for Acme Systems Aria G25 (AT91SAM9G25 based)
|
|
*
|
|
* Copyright (C) 2013 Douglas Gilbert <dgilbert@interlog.com>,
|
|
* Robert Nelson <robertcnelson@gmail.com>
|
|
*
|
|
* Licensed under GPLv2 or later.
|
|
*/
|
|
/dts-v1/;
|
|
#include "at91sam9g25.dtsi"
|
|
|
|
/ {
|
|
model = "Acme Systems Aria G25";
|
|
compatible = "acme,ariag25", "atmel,at91sam9x5ek",
|
|
"atmel,at91sam9x5", "atmel,at91sam9";
|
|
|
|
aliases {
|
|
serial0 = &dbgu;
|
|
serial1 = &usart0;
|
|
serial2 = &usart1;
|
|
serial3 = &usart2;
|
|
serial4 = &usart3;
|
|
serial5 = &uart0;
|
|
serial6 = &uart1;
|
|
};
|
|
|
|
chosen {
|
|
bootargs = "console=ttyS0,115200 root=/dev/mmcblk0p2 rw rootwait";
|
|
};
|
|
|
|
memory {
|
|
/* 128 MB, change this for 256 MB revision */
|
|
reg = <0x20000000 0x8000000>;
|
|
};
|
|
|
|
clocks {
|
|
slow_xtal {
|
|
clock-frequency = <32768>;
|
|
};
|
|
|
|
main_xtal {
|
|
clock-frequency = <12000000>;
|
|
};
|
|
};
|
|
|
|
ahb {
|
|
apb {
|
|
mmc0: mmc@f0008000 {
|
|
/* N.B. Aria has no SD card detect (CD), assumed present */
|
|
|
|
pinctrl-0 = <
|
|
&pinctrl_mmc0_slot0_clk_cmd_dat0
|
|
&pinctrl_mmc0_slot0_dat1_3>;
|
|
status = "okay";
|
|
slot@0 {
|
|
reg = <0>;
|
|
bus-width = <4>;
|
|
};
|
|
};
|
|
|
|
tcb0: timer@f8008000 {
|
|
timer@0 {
|
|
compatible = "atmel,tcb-timer";
|
|
reg = <0>;
|
|
};
|
|
|
|
timer@1 {
|
|
compatible = "atmel,tcb-timer";
|
|
reg = <1>;
|
|
};
|
|
};
|
|
|
|
i2c0: i2c@f8010000 {
|
|
status = "okay";
|
|
};
|
|
|
|
i2c1: i2c@f8014000 {
|
|
status = "okay";
|
|
};
|
|
|
|
/* TWD2+TCLK2 hidden behind ethernet, so no i2c2 */
|
|
|
|
usart0: serial@f801c000 {
|
|
pinctrl-0 = <&pinctrl_usart0
|
|
&pinctrl_usart0_rts
|
|
&pinctrl_usart0_cts>;
|
|
status = "okay";
|
|
};
|
|
|
|
usart1: serial@f8020000 {
|
|
pinctrl-0 = <&pinctrl_usart1
|
|
/* &pinctrl_usart1_rts */
|
|
/* &pinctrl_usart1_cts */
|
|
>;
|
|
status = "okay";
|
|
};
|
|
|
|
usart2: serial@f8024000 {
|
|
/* cannot activate RTS2+CTS2, clash with
|
|
* ethernet on PB0 and PB1 */
|
|
pinctrl-0 = <&pinctrl_usart2>;
|
|
status = "okay";
|
|
};
|
|
|
|
usart3: serial@f8028000 {
|
|
compatible = "atmel,at91sam9260-usart";
|
|
reg = <0xf8028000 0x200>;
|
|
interrupts = <8 4 5>;
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pinctrl_usart3
|
|
/* &pinctrl_usart3_rts */
|
|
/* &pinctrl_usart3_cts */
|
|
>;
|
|
status = "okay";
|
|
};
|
|
|
|
macb0: ethernet@f802c000 {
|
|
phy-mode = "rmii";
|
|
/*
|
|
* following can be overwritten by bootloader:
|
|
* for example u-boot 'ftd set' command
|
|
*/
|
|
local-mac-address = [00 00 00 00 00 00];
|
|
status = "okay";
|
|
};
|
|
|
|
/*
|
|
* UART0/1 pins are marked as GPIO on
|
|
* Aria documentation.
|
|
* Change to "okay" if you need additional serial ports
|
|
*/
|
|
uart0: serial@f8040000 {
|
|
status = "disabled";
|
|
};
|
|
|
|
uart1: serial@f8044000 {
|
|
status = "disabled";
|
|
};
|
|
|
|
adc0: adc@f804c000 {
|
|
status = "okay";
|
|
atmel,adc-channels-used = <0xf>;
|
|
};
|
|
|
|
dbgu: serial@fffff200 {
|
|
status = "okay";
|
|
};
|
|
|
|
pinctrl@fffff400 {
|
|
w1_0 {
|
|
pinctrl_w1_0: w1_0-0 {
|
|
atmel,pins = <0 21 0x0 0x1>; /* PA21 PIO, pull-up */
|
|
};
|
|
};
|
|
};
|
|
|
|
rtc@fffffeb0 {
|
|
status = "okay";
|
|
};
|
|
};
|
|
|
|
usb0: ohci@600000 {
|
|
status = "okay";
|
|
num-ports = <3>;
|
|
};
|
|
|
|
usb1: ehci@700000 {
|
|
status = "okay";
|
|
};
|
|
};
|
|
|
|
leds {
|
|
compatible = "gpio-leds";
|
|
|
|
/* little green LED in middle of Aria G25 module */
|
|
aria_led {
|
|
label = "aria_led";
|
|
gpios = <&pioB 8 GPIO_ACTIVE_HIGH>; /* PB8 */
|
|
linux,default-trigger = "heartbeat";
|
|
};
|
|
|
|
};
|
|
|
|
onewire {
|
|
compatible = "w1-gpio";
|
|
gpios = <&pioA 21 GPIO_ACTIVE_LOW>;
|
|
pinctrl-names = "default";
|
|
pinctrl-0 = <&pinctrl_w1_0>;
|
|
};
|
|
};
|