linux-kernel - Re: [PATCH v1 1/3] dt-bindings: mailbox: Document Hi6220 mailbox driver

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <55DC4EC0.4060301@arm.com>
Date:	Tue, 25 Aug 2015 12:17:20 +0100
From:	Sudeep Holla <sudeep.holla@....com>
To:	Leo Yan <leo.yan@...aro.org>, Wei Xu <xuwei5@...ilicon.com>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:	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>,
	Catalin Marinas <Catalin.Marinas@....com>,
	Will Deacon <Will.Deacon@....com>,
	Jassi Brar <jassisinghbrar@...il.com>,
	Bintian Wang <bintian.wang@...wei.com>,
	Haojian Zhuang <haojian.zhuang@...aro.org>,
	Yiping Xu <xuyiping@...ilicon.com>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"guodong.xu@...aro.org" <guodong.xu@...aro.org>,
	Jian Zhang <zhangjian001@...ilicon.com>,
	Zhenwei Wang <Zhenwei.wang@...ilicon.com>,
	Haoju Mo <mohaoju@...ilicon.com>,
	Dan Zhao <dan.zhao@...ilicon.com>,
	"kongfei@...ilicon.com" <kongfei@...ilicon.com>,
	Guangyue Zeng <zengguangyue@...ilicon.com>,
	Sudeep Holla <sudeep.holla@....com>
Subject: Re: [PATCH v1 1/3] dt-bindings: mailbox: Document Hi6220 mailbox
 driver



On 19/08/15 10:37, Leo Yan wrote:
> Document the new compatible for Hisilicon Hi6220 mailbox driver.
>
> Signed-off-by: Leo Yan <leo.yan@...aro.org>
> ---
>   .../bindings/mailbox/hisilicon,hi6220-mailbox.txt  | 57 ++++++++++++++++++++++
>   1 file changed, 57 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/mailbox/hisilicon,hi6220-mailbox.txt
>
> diff --git a/Documentation/devicetree/bindings/mailbox/hisilicon,hi6220-mailbox.txt b/Documentation/devicetree/bindings/mailbox/hisilicon,hi6220-mailbox.txt
> new file mode 100644
> index 0000000..3dfb0b0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/mailbox/hisilicon,hi6220-mailbox.txt
> @@ -0,0 +1,57 @@
> +Hisilicon Hi6220 Mailbox Driver
> +===============================
> +
> +Hisilicon Hi6220 mailbox supports up to 32 channels. Each channel
> +is unidirectional with a maximum message size of 8 words. I/O is
> +performed using register access (there is no DMA) and the cell
> +raises an interrupt when messages are received.
> +
> +Mailbox Device Node:
> +====================
> +
> +Required properties:
> +--------------------
> +- compatible:		Shall be "hisilicon,hi6220-mbox"
> +- reg:			Contains the mailbox register address range (base
> +			address and length); the first item is for IPC
> +			registers, the second item is shared buffer for
> +			slots.

Not sure if the shared buffer needs to be part of the controller binding
as it's not related to it. It's just agreement between the endpoints of
this mailbox on particular SoC and IMO has to part of the client binding.

Regards,
Sudeep
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/