From f24859bbec8a5226211656cd293caed5ad3c7326 Mon Sep 17 00:00:00 2001 From: Anand Moon Date: Wed, 18 Jan 2023 04:44:11 +0000 Subject: [PATCH] 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 Reviewed-by: Neil Armstrong Link: https://lore.kernel.org/r/20230118044418.875-4-linux.amoon@gmail.com Signed-off-by: Greg Kroah-Hartman --- .../arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts | 26 +++++++++------------- 1 file changed, 11 insertions(+), 15 deletions(-) diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-odroidc2.dts index 201596247fd9..01356437a077 100644 --- 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 = ; - 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>; + }; }; -- 2.11.0