linux-kernel - Re: [linux-sunxi] [PATCH v3 11/13] dt: spi: sun4i: merge sun4i and sun6i binding doc

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Date:	Tue, 14 Jun 2016 09:45:02 +1000
From:	Julian Calaby <julian.calaby@...il.com>
To:	Michal Suchanek <hramrach@...il.com>
Cc:	linux-sunxi <linux-sunxi@...glegroups.com>,
	Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Maxime Ripard <maxime.ripard@...e-electrons.com>,
	Chen-Yu Tsai <wens@...e.org>,
	Russell King <linux@...linux.org.uk>,
	Mark Brown <broonie@...nel.org>, Arnd Bergmann <arnd@...db.de>,
	Olof Johansson <olof@...om.net>,
	Krzysztof Kozlowski <k.kozlowski@...sung.com>,
	Javier Martinez Canillas <javier@....samsung.com>,
	Simon Horman <horms+renesas@...ge.net.au>,
	Sjoerd Simons <sjoerd.simons@...labora.co.uk>,
	Thierry Reding <treding@...dia.com>,
	Alison Wang <b18965@...escale.com>,
	Timo Sigurdsson <public_timo.s@...entcreek.de>,
	Jonathan Liu <net147@...il.com>,
	Gerhard Bertelsmann <info@...hard-bertelsmann.de>,
	Priit Laes <plaes@...es.org>,
	devicetree <devicetree@...r.kernel.org>,
	"Mailing List, Arm" <linux-arm-kernel@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	linux-spi <linux-spi@...r.kernel.org>
Subject: Re: [linux-sunxi] [PATCH v3 11/13] dt: spi: sun4i: merge sun4i and
 sun6i binding doc

Hi Michal,

On Tue, Jun 14, 2016 at 3:46 AM, Michal Suchanek <hramrach@...il.com> wrote:
> Signed-off-by: Michal Suchanek <hramrach@...il.com>
> ---
>  .../devicetree/bindings/spi/spi-sun4i.txt          | 21 ++++++++++---------
>  .../devicetree/bindings/spi/spi-sun6i.txt          | 24 ----------------------
>  2 files changed, 11 insertions(+), 34 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/spi/spi-sun6i.txt
>
> diff --git a/Documentation/devicetree/bindings/spi/spi-sun4i.txt b/Documentation/devicetree/bindings/spi/spi-sun4i.txt
> index de827f5..329e543 100644
> --- a/Documentation/devicetree/bindings/spi/spi-sun4i.txt
> +++ b/Documentation/devicetree/bindings/spi/spi-sun4i.txt
> @@ -1,7 +1,8 @@
> -Allwinner A10 SPI controller
> +Allwinner A10/A31 SPI controller
>
>  Required properties:
> -- compatible: Should be "allwinner,sun4-a10-spi".
> +- compatible: Should be one of "allwinner,sun4i-a10-spi" and
> +                               "allwinner,sun6i-a31-spi"
>  - reg: Should contain register location and length.
>  - interrupts: Should contain interrupt.
>  - clocks: phandle to the clocks feeding the SPI controller. Two are
> @@ -9,16 +10,16 @@ Required properties:
>    - "ahb": the gated AHB parent clock
>    - "mod": the parent module clock
>  - clock-names: Must contain the clock names described just above
> +- resets: (sun6i only) phandle to the reset controller asserting
> +         this device in reset
>
>  Example:
>
> -spi1: spi@...06000 {
> -       compatible = "allwinner,sun4i-a10-spi";
> -       reg = <0x01c06000 0x1000>;
> -       interrupts = <11>;
> -       clocks = <&ahb_gates 21>, <&spi1_clk>;
> +spi1: spi@...69000 {
> +       compatible = "allwinner,sun6i-a31-spi";
> +       reg = <0x01c69000 0x1000>;
> +       interrupts = <0 66 4>;
> +       clocks = <&ahb1_gates 21>, <&spi1_clk>;
>         clock-names = "ahb", "mod";
> -       status = "disabled";
> -       #address-cells = <1>;
> -       #size-cells = <0>;
> +       resets = <&ahb1_rst 21>;

Why not have an example of each type?

>  };

Thanks,

-- 
Julian Calaby

Email: julian.calaby@...il.com
Profile: http://www.google.com/profiles/julian.calaby/