linux-kernel - Re: [PATCH v1 1/3] dt-bindings: rockchip-mailbox: Add mailbox controller document on Rockchip SoCs

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Message-ID: <CAL_JsqLhLsJCAVqFnnjDG1SGyU6Wd2SvXZUoocF4tLcLrVSX0w@mail.gmail.com>
Date:	Tue, 27 Oct 2015 03:10:59 -0500
From:	Rob Herring <robh+dt@...nel.org>
To:	Caesar Wang <wxt@...k-chips.com>
Cc:	Heiko Stuebner <heiko@...ech.de>,
	Jassi Brar <jassisinghbrar@...il.com>,
	frank.wang@...k-chips.com, linux-rockchip@...ts.infradead.org,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Kumar Gala <galak@...eaurora.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v1 1/3] dt-bindings: rockchip-mailbox: Add mailbox
 controller document on Rockchip SoCs

On Tue, Oct 27, 2015 at 2:31 AM, Caesar Wang <wxt@...k-chips.com> wrote:
> This add the necessary binding documentation for mailbox
> found on RK3368 SoC.
>
> Signed-off-by: Caesar Wang <wxt@...k-chips.com>
> ---
>
> Changes in v1:
> - PATCH[1/3] doc:
> - As the Rob Herring comments, s/share/shared/ and specify the value of #mbox-cells.
> - Move the shared memory in mailbox, let's move the property the client
>   driver in the future.

Acked-by: Rob Herring <robh@...nel.org>

>
>  .../bindings/mailbox/rockchip-mailbox.txt          | 32 ++++++++++++++++++++++
>  1 file changed, 32 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt
>
> diff --git a/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt b/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt
> new file mode 100644
> index 0000000..b6bb84a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mailbox/rockchip-mailbox.txt
> @@ -0,0 +1,32 @@
> +Rockchip mailbox
> +
> +The Rockchip mailbox is used by the Rockchip CPU cores to communicate
> +requests to MCU processor.
> +
> +Refer to ./mailbox.txt for generic information about mailbox device-tree
> +bindings.
> +
> +Required properties:
> +
> + - compatible: should be one of the following.
> +   - "rockchip,rk3368-mbox" for rk3368
> + - reg: physical base address of the controller and length of memory mapped
> +       region.
> + - interrupts: The interrupt number to the cpu. The interrupt specifier format
> +       depends on the interrupt controller.
> + - #mbox-cells: Common mailbox binding property to identify the number
> +       of cells required for the mailbox specifier. Should be 1
> +
> +Example:
> +--------
> +
> +/* RK3368 */
> +mbox: mbox@...b0000 {
> +       compatible = "rockchip,rk3368-mailbox";
> +       reg = <0x0 0xff6b0000 0x0 0x1000>,
> +       interrupts = <GIC_SPI 146 IRQ_TYPE_LEVEL_HIGH>,
> +                    <GIC_SPI 147 IRQ_TYPE_LEVEL_HIGH>,
> +                    <GIC_SPI 148 IRQ_TYPE_LEVEL_HIGH>,
> +                    <GIC_SPI 149 IRQ_TYPE_LEVEL_HIGH>;
> +       #mbox-cells = <1>;
> +};
> --
> 1.9.1
>
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