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lantiq: fritz7320: enable USB power supply

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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>
(cherry picked from commit 6e4e97b2256327bb380ee2a83da9a1ddf657e395)
This commit is contained in:
Mathias Kresin 2021-02-17 23:37:54 +01:00
parent 6bf5bfc19f
commit 6aef4bc7c3
1 changed files with 46 additions and 0 deletions
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46
target/linux/lantiq/files-4.14/arch/mips/boot/dts/FRITZ7320.dts
View File

@ -72,6 +72,30 @@
gpios = <&gpio 45 GPIO_ACTIVE_LOW>; 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;
};
}; };
&gpio { &gpio {
@ -103,6 +127,26 @@
mtd-mac-address-increment = <(-2)>; 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 { &localbus {
nor@0 { nor@0 {
compatible = "lantiq,nor"; compatible = "lantiq,nor";
@ -164,8 +208,10 @@
&usb0 { &usb0 {
status = "okay"; status = "okay";
vbus-supply = <&usb0_vbus>;
}; };
&usb1 { &usb1 {
status = "okay"; status = "okay";
vbus-supply = <&usb1_vbus>;
}; };