Commit f24859bb authored by Anand Moon's avatar Anand Moon Committed by Greg Kroah-Hartman
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arm64: dts: amlogic: Used onboard usb hub reset on odroid c2 



On Odroid c2 previously use gpio-hog to reset the usb hub,
switch to used on-board usb hub reset to enable the usb hub
and enable power to hub.

Signed-off-by: default avatarAnand Moon <linux.amoon@gmail.com>
Reviewed-by: default avatarNeil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230118044418.875-4-linux.amoon@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 3325f3e4

arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts

+11 −15
Original line number Diff line number Diff line
@@ -250,21 +250,6 @@ 
	};

};



&gpio_ao {

	/*

	 * WARNING: The USB Hub on the Odroid-C2 needs a reset signal

	 * to be turned high in order to be detected by the USB Controller

	 * This signal should be handled by a USB specific power sequence

	 * in order to reset the Hub when USB bus is powered down.

	 */

	hog-0 {

		gpio-hog;

		gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;

		output-high;

		line-name = "usb-hub-reset";

	};

};



&hdmi_tx {

	status = "okay";

	pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
@@ -414,5 +399,16 @@ 
};



&usb1 {

	dr_mode = "host";

	#address-cells = <1>;

	#size-cells = <0>;

	status = "okay";



	hub@1 {

		/* Genesys Logic GL852G USB 2.0 hub */

		compatible = "usb5e3,610";

		reg = <1>;

		vdd-supply = <&p5v0>;

		reset-gpio = <&gpio_ao GPIOAO_4 GPIO_ACTIVE_LOW>;

	};

};