[PATCH v1] arm64: dts: amlogic: Update USB hub power and reset properties
Neil Armstrong
neil.armstrong at linaro.org
Tue May 20 05:32:40 PDT 2025
On 20/05/2025 11:18, Anand Moon wrote:
> Add missing reset-gpios property to the USB 2.0 hub node to
> ensure proper reset handling. Also update the vdd-supply for
> both USB 2.0 and 3.0 hubs to use the shared hub_5v regulator
> for consistent power management.
>
> Fixes: ccff36934137 ("arm64: dts: amlogic: Used onboard usb hub reset on odroid n2")
> Signed-off-by: Anand Moon <linux.amoon at gmail.com>
> ---
> arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi | 5 +++--
> 1 file changed, 3 insertions(+), 2 deletions(-)
>
> diff --git a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> index 3bca8023638d..ad959f8bc1ac 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> +++ b/arch/arm64/boot/dts/amlogic/meson-g12b-odroid-n2.dtsi
> @@ -42,7 +42,8 @@ hub_2_0: hub at 1 {
> compatible = "usb5e3,610";
> reg = <1>;
> peer-hub = <&hub_3_0>;
> - vdd-supply = <&usb_pwr_en>;
> + reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
> + vdd-supply = <&hub_5v>;
> };
>
> /* 3.0 hub on port 4 */
> @@ -51,7 +52,7 @@ hub_3_0: hub at 2 {
> reg = <2>;
> peer-hub = <&hub_2_0>;
> reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
> - vdd-supply = <&vcc_5v>;
> + vdd-supply = <&hub_5v>;
In this case, also remove the &usb2_phy1 phy-supply since now it's managed by the hub reset control.
Neil
> };
> };
>
>
> base-commit: a5806cd506af5a7c19bcd596e4708b5c464bfd21
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