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ramips: add missing reset button for Nexx WT1520 

This commit adds missing the GPIO key used as reset button.
Nexx WT1520 has a GPIO key for factory reset, but it's not defined in
WT1520.dtsi and cannot use it.

Drop the UART (full) from the device tree source file, it was never
used for this board. Adjust the kernel bootargs accordingly.

Signed-off-by: INAGAKI Hiroshi <musashino.open@gmail.com>
[add note about dropped UART (full) to the commit message]
Signed-off-by: Mathias Kresin <dev@kresin.me>
owl
INAGAKI Hiroshi 2017-11-26 01:42:50 +09:00 committed by Mathias Kresin
parent fcfd5cdb59
commit 18cc8d520c
1 changed files with 15 additions and 9 deletions
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24
target/linux/ramips/dts/WT1520.dtsi
View File

@ -1,5 +1,8 @@
#include "rt5350.dtsi" #include "rt5350.dtsi"
#include <dt-bindings/gpio/gpio.h>
#include <dt-bindings/input/input.h>
/ { / {
compatible = "nexx,wt1520", "ralink,rt5350-soc"; compatible = "nexx,wt1520", "ralink,rt5350-soc";
@ -8,21 +11,24 @@
reg = <0x0 0x2000000>; reg = <0x0 0x2000000>;
}; };
chosen { gpio-keys-polled {
bootargs = "console=ttyS1,57600"; compatible = "gpio-keys-polled";
}; #address-cells = <1>;
}; #size-cells = <0>;
poll-interval = <20>;
&uart { reset {
pinctrl-names = "default"; label = "reset";
pinctrl-0 = <&uartf_pins>; gpios = <&gpio0 10 GPIO_ACTIVE_LOW>;
status = "okay"; linux,code = <KEY_RESTART>;
};
};
}; };
&pinctrl { &pinctrl {
state_default: pinctrl0 { state_default: pinctrl0 {
gpio { gpio {
ralink,group = "jtag"; ralink,group = "jtag", "uartf";
ralink,function = "gpio"; ralink,function = "gpio";
}; };
}; };