From: Sergei Shtylyov <sergei.shtylyov-M4DtvfQ/ZS1MRgGoP+s0PdBPR1lH4CV8@public.gmane.org>
To: Ludovic Desroches
<ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>,
dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Cc: arnd-r2nGTMty4D4@public.gmane.org,
vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
nicolas.ferre-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org,
josh.wu-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org,
dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
plagnioj-sclMFOaUSTBWk0Htik3J/w@public.gmane.org,
maxime.ripard-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org
Subject: Re: [PATCH v2 2/2] ARM: dts: at_xdmac: add bindings documentation
Date: Fri, 04 Jul 2014 16:48:42 +0400 [thread overview]
Message-ID: <53B6A2AA.4000202@cogentembedded.com> (raw)
In-Reply-To: <1404459370-3540-3-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
Hello.
On 07/04/2014 11:36 AM, Ludovic Desroches wrote:
> Add bindings documentation for the new Atmel DMA controller (XDMAC)
> introduced with SAMA5D4.
> Signed-off-by: Ludovic Desroches <ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
> ---
> .../devicetree/bindings/dma/atmel-xdma.txt | 39 ++++++++++++++++++++
> 1 file changed, 39 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/dma/atmel-xdma.txt
> diff --git a/Documentation/devicetree/bindings/dma/atmel-xdma.txt b/Documentation/devicetree/bindings/dma/atmel-xdma.txt
> new file mode 100644
> index 0000000..1e09fda
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/dma/atmel-xdma.txt
[...]
> +DMA clients connected to the Atmel XDMA controller must use the format
> +described in the dma.txt file, using a three-cell specifier for each channel:
> +a phandle plus two integer cells.
Specifiers do not include phandle.
> +The two cells in order are:
s/two/three/?
> +
> +1. A phandle pointing to the DMA controller.
> +2. The memory interface (16 most significant bits), the peripheral interface
> +(16 less significant bits).
> +3. Channel configuration register. Configurable fields are:
> + - bit 30-24: PERID, peripheral identifier.
WBR, Sergei
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prev parent reply other threads:[~2014-07-04 12:48 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-04 7:36 [PATCH v2 0/2] new Atmel DMA controller Ludovic Desroches
[not found] ` <1404459370-3540-1-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
2014-07-04 7:36 ` [PATCH v2 1/2] dma: at_xdmac: creation of the atmel eXtended DMA Controller driver Ludovic Desroches
2014-07-04 7:36 ` [PATCH v2 2/2] ARM: dts: at_xdmac: add bindings documentation Ludovic Desroches
[not found] ` <1404459370-3540-3-git-send-email-ludovic.desroches-AIFe0yeh4nAAvxtiuMwx3w@public.gmane.org>
2014-07-04 8:58 ` Mark Rutland
2014-07-04 9:45 ` Ludovic Desroches
2014-07-04 12:48 ` Sergei Shtylyov [this message]
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