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arm64: dts: amlogic: Used onboard usb hub reset on odroid c2

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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: Anand Moon <linux.amoon@gmail.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230118044418.875-4-linux.amoon@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Anand Moon 2023-01-18 04:44:11 +00:00 committed by Greg Kroah-Hartman
parent 3325f3e453
commit f24859bbec
1 changed files with 11 additions and 15 deletions
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26
arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
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@ -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>;
};
};