linux-kernel - Re: [PATCH v4 6/8] ARM: sunxi: dts: s3/s3l/v3: add DTSI files for S3/S3L/V3 SoCs

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Date:   Sat, 20 Jul 2019 11:48:14 +0200
From:   Maxime Ripard <maxime.ripard@...tlin.com>
To:     Icenowy Zheng <icenowy@...c.io>
Cc:     Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-gpio@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH v4 6/8] ARM: sunxi: dts: s3/s3l/v3: add DTSI files for
 S3/S3L/V3 SoCs

On Sat, Jul 13, 2019 at 11:46:32AM +0800, Icenowy Zheng wrote:
> The Allwinner S3/S3L/V3 SoCs all share the same die with the V3s SoC,
> but with more GPIO wired out of the package.
>
> Add DTSI files for these SoCs. The DTSI file for V3 just replaces the
> pinctrl compatible string, and the S3/S3L DTSI files just include the V3
> DTSI file.
>
> Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> ---
> No changes since v2.
>
>  arch/arm/boot/dts/sun8i-s3.dtsi  |  6 ++++++
>  arch/arm/boot/dts/sun8i-s3l.dtsi |  6 ++++++
>  arch/arm/boot/dts/sun8i-v3.dtsi  | 14 ++++++++++++++
>  3 files changed, 26 insertions(+)
>  create mode 100644 arch/arm/boot/dts/sun8i-s3.dtsi
>  create mode 100644 arch/arm/boot/dts/sun8i-s3l.dtsi
>  create mode 100644 arch/arm/boot/dts/sun8i-v3.dtsi
>
> diff --git a/arch/arm/boot/dts/sun8i-s3.dtsi b/arch/arm/boot/dts/sun8i-s3.dtsi
> new file mode 100644
> index 000000000000..0f41a25ecb30
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-s3.dtsi
> @@ -0,0 +1,6 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2019 Icenowy Zheng <icenowy@...c.io>
> + */
> +
> +#include "sun8i-v3.dtsi"
> diff --git a/arch/arm/boot/dts/sun8i-s3l.dtsi b/arch/arm/boot/dts/sun8i-s3l.dtsi
> new file mode 100644
> index 000000000000..0f41a25ecb30
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-s3l.dtsi
> @@ -0,0 +1,6 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2019 Icenowy Zheng <icenowy@...c.io>
> + */
> +
> +#include "sun8i-v3.dtsi"
> diff --git a/arch/arm/boot/dts/sun8i-v3.dtsi b/arch/arm/boot/dts/sun8i-v3.dtsi
> new file mode 100644
> index 000000000000..6ae8645ade50
> --- /dev/null
> +++ b/arch/arm/boot/dts/sun8i-v3.dtsi
> @@ -0,0 +1,14 @@
> +// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
> +/*
> + * Copyright (C) 2019 Icenowy Zheng <icenowy@...c.io>
> + */
> +
> +#include "sun8i-v3s.dtsi"
> +
> +&ccu {
> +	compatible = "allwinner,sun8i-v3-ccu";
> +};
> +
> +&pio {
> +	compatible = "allwinner,sun8i-v3-pinctrl";
> +};

Is there any difference between the S3, S3L and V3?

If not, then we don't need all those DTSI, just add the v3

Maxime

--
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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