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: 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>

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
index 2015962..0135643 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts
@@ -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>;
+       };
 };