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Subject: Re: [PATCH AUTOSEL 5.4 03/24] arm64: dts: meson-axg-s400: enable USB
 OTG
To:     Sasha Levin <sashal@kernel.org>, linux-kernel@vger.kernel.org,
        stable@vger.kernel.org
Cc:     Kevin Hilman <khilman@baylibre.com>, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org,
        linux-amlogic@lists.infradead.org
References: <20201103012007.183429-1-sashal@kernel.org>
 <20201103012007.183429-3-sashal@kernel.org>
From:   Neil Armstrong <narmstrong@baylibre.com>
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Organization: Baylibre
Message-ID: <c82fc121-6f42-31d5-b756-fbd89255f67b@baylibre.com>
Date:   Tue, 3 Nov 2020 09:55:39 +0100
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On 03/11/2020 02:19, Sasha Levin wrote:
> From: Neil Armstrong <narmstrong@baylibre.com>
> 
> [ Upstream commit f450d2c219f6a6b79880c97bf910c3c72725eb70 ]
> 
> This enables USB OTG on the S400 board.
> 
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
> Reviewed-by: Kevin Hilman <khilman@baylibre.com>
> Signed-off-by: Kevin Hilman <khilman@baylibre.com>
> Signed-off-by: Sasha Levin <sashal@kernel.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 4cd2d59518228..de4b40d4f48c6 100644
> --- a/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> +++ b/arch/arm64/boot/dts/amlogic/meson-axg-s400.dts
> @@ -584,3 +584,9 @@ &uart_AO {
>  	pinctrl-0 = <&uart_ao_a_pins>;
>  	pinctrl-names = "default";
>  };
> +
> +&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