I have a hlk-rm04(http://wiki.openwrt.org/toh/hilink/hlk-rm04) module, i
create a dts file for it, based on MPR-A2 dts file.
Now i need enable /dev/ttyS1 in the dts file, but i don't have an idea
about that. The dts file likes this:
/dts-v1/;
/include/ "rt5350.dtsi"
/ {
compatible = "HLKRM04", "ralink,rt5350-soc";
model = "HILINK HLK-RM04";
memory@0 {
reg = <0x0 0x2000000>;
};
palmbus@10000000 {
sysc@0 {
ralink,pinmux = "i2c", "spi", "uartlite", "uart", "mdio", "sdram", "rgmii";
ralink,gpiomux = "jtag";
// ralink,uartmux = "gpio";
ralink,wdtmux = <1>;
};
gpio0: gpio@600 {
status = "okay";
};
spi@b00 {
status = "okay";
m25p80@0 {
#address-cells = <1>;
#size-cells = <1>;
compatible = "s25fl064k";
reg = <0 0>;
linux,modalias = "m25p80", "s25fl064k";
spi-max-frequency = <10000000>;
partition@0 {
label = "u-boot";
reg = <0x0 0x30000>;
read-only;
};
partition@30000 {
label = "u-boot-env";
reg = <0x30000 0x10000>;
read-only;
};
factory: partition@40000 {
label = "factory";
reg = <0x40000 0x10000>;
read-only;
};
partition@50000 {
label = "firmware";
reg = <0x50000 0x7b0000>;
};
};
};
* uart@500 {*
* status = "enabled";*
* };*
};
ethernet@10100000 {
status = "okay";
};
esw@10110000 {
status = "okay";
ralink,portmap = <0x2f>;
};
wmac@10180000 {
status = "okay";
};
ehci@101c0000 {
status = "okay";
};
ohci@101c1000 {
status = "okay";
};
// gpio-leds {
// compatible = "gpio-leds";
// system {
// label = "hlk-rm04:blue:system";
// gpios = <&gpio0 20 1>;
// };
// power {
// label = "hlk-rm04:red:power";
// gpios = <&gpio0 17 1>;
// };
// };
gpio-keys-polled {
compatible = "gpio-keys-polled";
#address-cells = <1>;
#size-cells = <0>;
poll-interval = <20>;
wps {
label = "reset";
gpios = <&gpio0 0 1>;
linux,code = <0x198>;
};
};
// gpio_export {
// compatible = "gpio-export";
// #size-cells = <0>;
// usb {
// gpio-export,name = "usb";
// gpio-export,output = <1>;
// gpios = <&gpio0 7 0>;
// };
// root_hub {
// gpio-export,name = "root_hub";
// gpio-export,output = <1>;
// gpios = <&gpio0 12 0>;
// };
// };
};
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