mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-02 08:34:20 +08:00
b9a35d705a
This adds a device tree for the IXP4xx-based Linksys NSLU2 and Gateworks GW2358 which encompass the Gateworks Cambria family. These will be the first IXP4xx device tree platforms. Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
95 lines
1.8 KiB
Plaintext
95 lines
1.8 KiB
Plaintext
// SPDX-License-Identifier: ISC
|
|
/*
|
|
* Device Tree file for Gateworks IXP43x-based Cambria GW2358
|
|
*/
|
|
|
|
/dts-v1/;
|
|
|
|
#include "intel-ixp43x.dtsi"
|
|
|
|
/ {
|
|
model = "Gateworks Cambria GW2358";
|
|
compatible = "gateworks,gw2358", "intel,ixp43x";
|
|
#address-cells = <1>;
|
|
#size-cells = <1>;
|
|
|
|
memory@0 {
|
|
/* 128 MB SDRAM */
|
|
device_type = "memory";
|
|
reg = <0x00000000 0x8000000>;
|
|
};
|
|
|
|
chosen {
|
|
bootargs = "console=ttyS0,115200n8 root=/dev/mtdblock2 rw rootfstype=squashfs,jffs2 rootwait";
|
|
stdout-path = "uart0:115200n8";
|
|
};
|
|
|
|
aliases {
|
|
serial0 = &uart0;
|
|
};
|
|
|
|
leds {
|
|
compatible = "gpio-leds";
|
|
led-user {
|
|
label = "gw2358:green:LED";
|
|
gpios = <&pld1 0 GPIO_ACTIVE_LOW>;
|
|
default-state = "on";
|
|
linux,default-trigger = "heartbeat";
|
|
};
|
|
};
|
|
|
|
|
|
i2c {
|
|
compatible = "i2c-gpio";
|
|
sda-gpios = <&gpio0 7 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
|
|
scl-gpios = <&gpio0 6 (GPIO_ACTIVE_HIGH|GPIO_OPEN_DRAIN)>;
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
|
|
hwmon@28 {
|
|
compatible = "adi,ad7418";
|
|
reg = <0x28>;
|
|
};
|
|
rtc: ds1672@68 {
|
|
compatible = "dallas,ds1672";
|
|
reg = <0x68>;
|
|
};
|
|
eeprom@51 {
|
|
compatible = "atmel,24c08";
|
|
reg = <0x51>;
|
|
pagesize = <16>;
|
|
size = <1024>;
|
|
read-only;
|
|
};
|
|
pld0: pld@56 {
|
|
compatible = "gateworks,pld-gpio";
|
|
reg = <0x56>;
|
|
gpio-controller;
|
|
#gpio-cells = <2>;
|
|
};
|
|
/* This PLD just handles the LED and user button */
|
|
pld1: pld@57 {
|
|
compatible = "gateworks,pld-gpio";
|
|
reg = <0x57>;
|
|
gpio-controller;
|
|
#gpio-cells = <2>;
|
|
};
|
|
};
|
|
|
|
flash@50000000 {
|
|
compatible = "intel,ixp4xx-flash", "cfi-flash";
|
|
bank-width = <2>;
|
|
/*
|
|
* 32 MB of Flash in 0x20000 byte blocks
|
|
* mapped in at 0x50000000
|
|
*/
|
|
reg = <0x50000000 0x2000000>;
|
|
|
|
partitions {
|
|
compatible = "redboot-fis";
|
|
/* Eraseblock at 0x1fe0000 */
|
|
fis-index-block = <0xff>;
|
|
};
|
|
};
|
|
};
|