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arm64: dts: amlogic: Used onboard usb hub reset on odroid n2

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On Odroid n2/n2+ 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>
Link: https://lore.kernel.org/r/20240613123020.43500-2-linux.amoon@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Anand Moon 2024-06-13 18:00:15 +05:30 • committed by Greg Kroah-Hartman
parent 3d9894e26e
commit ccff369341
1 changed files with 24 additions and 12 deletions
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36
arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
View file

@ -31,6 +31,30 @@
enable-active-high;
};
/* USB hub supports both USB 2.0 and USB 3.0 root hub */
usb-hub {
dr_mode = "host";
#address-cells = <1>;
#size-cells = <0>;
/* 2.0 hub on port 1 */
hub_2_0: hub@1 {
compatible = "usb5e3,610";
reg = <1>;
peer-hub = <&hub_3_0>;
vdd-supply = <&usb_pwr_en>;
};
/* 3.0 hub on port 4 */
hub_3_0: hub@2 {
compatible = "usb5e3,620";
reg = <2>;
peer-hub = <&hub_2_0>;
reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
vdd-supply = <&vcc_5v>;
};
};
sound {
compatible = "amlogic,axg-sound-card";
model = "ODROID-N2";
@ -234,18 +258,6 @@
"PIN_3", /* GPIOX_17 */
"PIN_5", /* GPIOX_18 */
"PIN_36"; /* GPIOX_19 */
/*
* WARNING: The USB Hub on the Odroid-N2 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.
*/
usb-hub-hog {
gpio-hog;
gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
output-high;
line-name = "usb-hub-reset";
};
};
&i2c3 {