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Date:   Mon, 2 Nov 2020 11:05:40 +0100
From:   Maxime Ripard <maxime@cerno.tech>
To:     Matteo Scordino <matteo.scordino@gmail.com>
Cc:     wens@csie.org, robh+dt@kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 3/6] ARM: dts: sun8i: s3: Add dtsi for the Elimo
 Impetus SoM
Message-ID: <20201102100540.wkqoy4nilmee7mpv@gilmour.lan>
References: <20201029022000.601913-1-matteo.scordino@gmail.com>
 <20201030234325.5865-4-matteo.scordino@gmail.com>
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Hi!

On Fri, Oct 30, 2020 at 11:43:22PM +0000, Matteo Scordino wrote:
> The Elimo Engineering Impetus is an Open Source Hardware System-on-Module
> based on the SoChip S3 SoC.
>=20
> It is meant for integration into carrier boards or, more generally,
> larger designs, and uses an M2 connector to facilitate that.
>=20
> Interfaces on the M.2/NGFF 42mm connector:
> WiFi IEEE 802. 11abgn (on-module Realtek)
> Bluetooth 4.2/BLE (on-module Realtek)
> RGB LCD Interface (on-module connector)
> MIPI Camera Interface (on-module connector)
> IEEE 802. 3u Ethernet MAC (external connecto)
> USB2.0 (Host, Device, OTG) (external connector)
> Audio Line In/Out (external connector)
>=20
> Signed-off-by: Matteo Scordino <matteo.scordino@gmail.com>
> ---
>  arch/arm/boot/dts/sun8i-s3-elimo-impetus.dtsi | 51 +++++++++++++++++++
>  1 file changed, 51 insertions(+)
>  create mode 100644 arch/arm/boot/dts/sun8i-s3-elimo-impetus.dtsi
>=20
> diff --git a/arch/arm/boot/dts/sun8i-s3-elimo-impetus.dtsi b/arch/arm/boo=
t/dts/sun8i-s3-elimo-impetus.dtsi
> new file mode 100644
> index 000000000000..f219188fc9ba
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-s3-elimo-impetus.dtsi
> @@ -0,0 +1,51 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2020 Matteo Scordino <matteo@elimo.io>
> + */
> +
> +/dts-v1/;
> +#include "sun8i-v3.dtsi"
> +#include "sunxi-common-regulators.dtsi"
> +
> +/ {
> +	model =3D "Elimo Impetus SoM";
> +	compatible =3D "elimo,impetus", "sochip,s3", "allwinner,sun8i-v3";
> +
> +	aliases {
> +		serial0 =3D &uart0;
> +		serial1 =3D &uart1;
> +	};
> +
> +	chosen {
> +		stdout-path =3D "serial0:115200n8";
> +	};
> +};
> +
> +&mmc0 {
> +	broken-cd;
> +	bus-width =3D <4>;
> +	vmmc-supply =3D <&reg_vcc3v3>;
> +	status =3D "okay";
> +};
> +
> +&uart0 {
> +	pinctrl-0 =3D <&uart0_pb_pins>;
> +	pinctrl-names =3D "default";
> +	status =3D "okay";
> +};
> +
> +&uart1 {
> +	pinctrl-0 =3D <&uart1_pg_pins>;
> +	pinctrl-names =3D "default";
> +	status =3D "okay";
> +};

What is uart1 used for? the BT chip?

Maxime

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