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lantiq: fritz7320: enable USB power supply 

The USB ports if a FRIZZ!Box 7320 do not supply power to connected
devices.

Add the GPIOs enabling USB power as regulator, to enable USB power
supply as soon as the USB driver is loaded.

Fixes FS#3624

Signed-off-by: Mathias Kresin <dev@kresin.me>
This commit is contained in:
Mathias Kresin 2021-02-17 23:37:54 +01:00
parent 5408399fcb
commit ba07cc0cbb
1 changed files with 46 additions and 0 deletions
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46
target/linux/lantiq/files/arch/mips/boot/dts/lantiq/ar9_avm_fritz7320.dts
View File

@ -69,6 +69,30 @@
gpios = <&gpio 45 GPIO_ACTIVE_LOW>;
};
};
usb0_vbus: regulator-usb0-vbus {
compatible = "regulator-fixed";
regulator-name = "USB0_VBUS";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio 50 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
usb1_vbus: regulator-usb1-vbus {
compatible = "regulator-fixed";
regulator-name = "USB1_VBUS";
regulator-min-microvolt = <5000000>;
regulator-max-microvolt = <5000000>;
gpio = <&gpio 51 GPIO_ACTIVE_HIGH>;
enable-active-high;
};
};
&gsw {
@ -77,6 +101,26 @@
mtd-mac-address-increment = <(-2)>;
};
&gpio {
pinctrl-names = "default";
pinctrl-0 = <&state_default>;
state_default: pinmux {
usb0_vbus {
lantiq,pins = "io50";
lantiq,pull = <0>;
lantiq,open-drain = <0>;
lantiq,output = <1>;
};
usb1_vbus {
lantiq,pins = "io51";
lantiq,pull = <0>;
lantiq,open-drain = <0>;
lantiq,output = <1>;
};
};
};
&localbus {
flash@0 {
compatible = "lantiq,nor";
@ -142,8 +186,10 @@
&usb0 {
status = "okay";
vbus-supply = <&usb0_vbus>;
};
&usb1 {
status = "okay";
vbus-supply = <&usb1_vbus>;
};