[PATCH] ARM: dts: meson: enabling the USB Host controller on Odroid-C1/C1+ board
Martin Blumenstingl
martin.blumenstingl at googlemail.com
Fri Sep 22 00:01:04 PDT 2017
On Wed, Sep 20, 2017 at 4:40 PM, Emiliano Ingrassia
<ingrassia at epigenesys.com> wrote:
> This patch enables the USB Host controller (USB1) and the relative USB2 PHY
> on Odroid-C1/C1+ board.
>
> Signed-off-by: Emiliano Ingrassia <ingrassia at epigenesys.com>
I don't have any Odroid hardware to play with, but this looks good to me:
Acked-by: Martin Blumenstingl <martin.blumenstingl at googlemail.com>
> ---
> arch/arm/boot/dts/meson8b-odroidc1.dts | 23 +++++++++++++++++++++++
> 1 file changed, 23 insertions(+)
>
> diff --git a/arch/arm/boot/dts/meson8b-odroidc1.dts b/arch/arm/boot/dts/meson8b-odroidc1.dts
> index e50f1a1fdbc7..9ff6ca4e20d0 100644
> --- a/arch/arm/boot/dts/meson8b-odroidc1.dts
> +++ b/arch/arm/boot/dts/meson8b-odroidc1.dts
> @@ -76,3 +76,26 @@
> pinctrl-0 = <&uart_ao_a_pins>;
> pinctrl-names = "default";
> };
> +
> +&gpio_ao {
> + /*
> + * WARNING: The USB Hub on the Odroid-C1/C1+ 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 {
> + gpio-hog;
> + gpios = <GPIOAO_4 GPIO_ACTIVE_HIGH>;
> + output-high;
> + line-name = "usb-hub-reset";
> + };
> +};
> +
> +&usb1_phy {
> + status = "okay";
> +};
> +
> +&usb1 {
> + status = "okay";
> +};
> --
> 2.14.1
>
>
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