openwrt/target/linux/ramips/dts/mt7628an_xiaomi_miwifi-nano.dts
Chuanhong Guo 7a21c85f70 ramips: improve support for Xiaomi Miwifi Nano
This patch does the following things:
1. mark u-boot-env writable
2. add bootcount support
   Currently, u-boot has a flag_boot_success env variable to reset.
   Also reset it in our firmware to follow the behavior in vendor's
   firmware.
3. disable usb support
   This router doesn't have usb port at all.
4. increase spi clock to 40MHz
5. fix pinmux groups

Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
2019-09-04 19:26:01 +08:00

116 lines
1.8 KiB
Plaintext

/dts-v1/;
#include "mt7628an.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ {
compatible = "xiaomi,miwifi-nano", "mediatek,mt7628an-soc";
model = "MiWiFi Nano";
aliases {
led-boot = &led_blue;
led-failsafe = &led_blue;
led-running = &led_blue;
led-upgrade = &led_blue;
};
chosen {
bootargs = "console=ttyS0,115200";
};
leds {
compatible = "gpio-leds";
led_blue: status_blue {
label = "miwifi-nano:blue:status";
gpios = <&gpio0 11 GPIO_ACTIVE_LOW>;
};
status_red {
label = "miwifi-nano:red:status";
gpios = <&gpio1 5 GPIO_ACTIVE_LOW>;
};
status_amber {
label = "miwifi-nano:amber:status";
gpios = <&gpio1 12 GPIO_ACTIVE_LOW>;
};
};
keys {
compatible = "gpio-keys-polled";
poll-interval = <20>;
reset {
label = "reset";
gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
linux,code = <KEY_RESTART>;
};
};
};
&pinctrl {
state_default: pinctrl0 {
gpio {
ralink,group = "gpio", "refclk", "wdt", "wled_an";
ralink,function = "gpio";
};
};
};
&ehci {
status = "disabled";
};
&ohci {
status = "disabled";
};
&wmac {
status = "okay";
ralink,mtd-eeprom = <&factory 0x4>;
};
&ethernet {
mtd-mac-address = <&factory 0x28>;
};
&spi0 {
status = "okay";
m25p80@0 {
compatible = "jedec,spi-nor";
reg = <0>;
spi-max-frequency = <40000000>;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "u-boot";
reg = <0x0 0x30000>;
read-only;
};
partition@30000 {
label = "u-boot-env";
reg = <0x30000 0x10000>;
};
factory: partition@40000 {
label = "factory";
reg = <0x40000 0x10000>;
read-only;
};
partition@50000 {
compatible = "denx,uimage";
label = "firmware";
reg = <0x50000 0xfb0000>;
};
};
};
};