linux-kernel - Re: [PATCH AUTOSEL 4.19 02/11] arm64: dts: meson-axg-s400: enable USB OTG

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Date:   Tue, 3 Nov 2020 09:56:11 +0100
From:   Neil Armstrong <narmstrong@...libre.com>
To:     Sasha Levin <sashal@...nel.org>, linux-kernel@...r.kernel.org,
        stable@...r.kernel.org
Cc:     Kevin Hilman <khilman@...libre.com>, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org
Subject: Re: [PATCH AUTOSEL 4.19 02/11] arm64: dts: meson-axg-s400: enable USB
 OTG

On 03/11/2020 02:20, Sasha Levin wrote:
> From: Neil Armstrong <narmstrong@...libre.com>
> 
> [ Upstream commit f450d2c219f6a6b79880c97bf910c3c72725eb70 ]
> 
> This enables USB OTG on the S400 board.
> 
> Signed-off-by: Neil Armstrong <narmstrong@...libre.com>
> Reviewed-by: Kevin Hilman <khilman@...libre.com>
> Signed-off-by: Kevin Hilman <khilman@...libre.com>
> Signed-off-by: Sasha Levin <sashal@...nel.org>
> ---
>  arch/arm64/boot/dts/amlogic/meson-axg-s400.dts | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> index d5c01427a5ca0..acd4dbc1222ae 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> @@ -334,3 +334,9 @@ &saradc {
>  	status = "okay";
>  	vref-supply = <&vddio_ao18>;
>  };
> +
> +&usb {
> +	status = "okay";
> +	dr_mode = "otg";
> +	vbus-supply = <&usb_pwr>;
> +};
> 

Hi Sasha,

This needs also support in the dwc3-meson-g12a driver, you can drop it from backport.

Neil