From: Matt Porter <mporter@ti.com>
To: "Hebbar, Gururaja" <gururaja.hebbar@ti.com>
Cc: Linux DaVinci Kernel List
<davinci-linux-open-source@linux.davincidsp.com>,
Arnd Bergmann <arnd@arndb.de>,
Linux Documentation List <linux-doc@vger.kernel.org>,
Devicetree Discuss <devicetree-discuss@lists.ozlabs.org>,
Linux MMC List <linux-mmc@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
Rob Herring <rob.herring@calxeda.com>, Dan Williams <djbw@fb.com>,
Linux SPI Devel List <spi-devel-general@lists.sourceforge.net>,
Linux OMAP List <linux-omap@vger.kernel.org>,
Linux ARM Kernel List <linux-arm-kernel@lists.infradead.org>,
Tony Lindgren <tony@atomide.com>, "Nori, Sekhar" <nsekhar@ti.com>,
Grant Likely <grant.likely@secretlab.ca>,
Mark Brown <broonie@opensource.wolfsonmicro.com>,
"Cousson, Benoit" <b-cousson@ti.com>,
Russell King <linux@arm.linux.org.uk>,
Vinod Koul <vinod.koul@intel.com>, Rob Landley <rob@landley.net>,
Chris Ball <
Subject: Re: [PATCH v4 05/14] dmaengine: edma: Add TI EDMA device tree binding
Date: Fri, 11 Jan 2013 09:30:07 -0500 [thread overview]
Message-ID: <20130111143007.GX14660@beef> (raw)
In-Reply-To: <06e6ba0bd8984e1797c84d2926584909@DFLE72.ent.ti.com>
On Fri, Jan 11, 2013 at 07:54:05AM +0000, Hebbar, Gururaja wrote:
> On Fri, Jan 11, 2013 at 11:18:41, Porter, Matt wrote:
> > The binding definition is based on the generic DMA controller
> > binding.
> >
> > Signed-off-by: Matt Porter <mporter@ti.com>
> > ---
> > Documentation/devicetree/bindings/dma/ti-edma.txt | 51 +++++++++++++++++++++
> > 1 file changed, 51 insertions(+)
> > create mode 100644 Documentation/devicetree/bindings/dma/ti-edma.txt
> >
> > diff --git a/Documentation/devicetree/bindings/dma/ti-edma.txt b/Documentation/devicetree/bindings/dma/ti-edma.txt
> > new file mode 100644
> > index 0000000..3344345
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt
> > @@ -0,0 +1,51 @@
> > +TI EDMA
> > +
> > +Required properties:
> > +- compatible : "ti,edma3"
> > +- ti,hwmods: Name of the hwmods associated to the EDMA
> > +- ti,edma-regions: Number of regions
> > +- ti,edma-slots: Number of slots
> > +- ti,edma-queue-tc-map: List of transfer control to queue mappings
> > +- ti,edma-queue-priority-map: List of queue priority mappings
> > +- ti,edma-default-queue: Default queue value
> > +
> > +Optional properties:
> > +- ti,edma-reserved-channels: List of reserved channel regions
> > +- ti,edma-reserved-slots: List of reserved slot regions
> > +- ti,edma-xbar-event-map: Crossbar event to channel map
> > +
> > +Example:
> > +
> > +edma: edma@49000000 {
> > + #address-cells = <1>;
> > + #size-cells = <0>;
>
> address-cells & size-cells are only required when current node is a parent
> node & it has sibling/child nodes (that too if the child node uses "reg"
> property).
Yes, agreed. I addressed this in the actual dts but failed to update the
binding itself. Will update.
>
> > + reg = <0x49000000 0x10000>;
> > + interrupt-parent = <&intc>;
> > + interrupts = <12 13 14>;
> > + compatible = "ti,edma3";
> > + ti,hwmods = "tpcc", "tptc0", "tptc1", "tptc2";
> > + #dma-cells = <1>;
> > + dma-channels = <64>;
> > + ti,edma-regions = <4>;
> > + ti,edma-slots = <256>;
> > + ti,edma-reserved-channels = <0 2
> > + 14 2
> > + 26 6
> > + 48 4
> > + 56 8>;
> > + ti,edma-reserved-slots = <0 2
> > + 14 2
> > + 26 6
> > + 48 4
> > + 56 8
> > + 64 127>;
> > + ti,edma-queue-tc-map = <0 0
> > + 1 1
> > + 2 2>;
> > + ti,edma-queue-priority-map = <0 0
> > + 1 1
> > + 2 2>;
> > + ti,edma-default-queue = <0>;
> > + ti,edma-xbar-event-map = <1 12
> > + 2 13>;
> > +};
> > --
> > 1.7.9.5
> >
> > _______________________________________________
> > Davinci-linux-open-source mailing list
> > Davinci-linux-open-source@linux.davincidsp.com
> > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
> >
>
>
> Regards,
> Gururaja
next prev parent reply other threads:[~2013-01-11 14:30 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-11 5:48 [PATCH v4 00/14] DMA Engine support for AM33XX Matt Porter
[not found] ` <1357883330-5364-1-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2013-01-11 5:48 ` [PATCH v4 01/14] ARM: davinci: move private EDMA API to arm/common Matt Porter
[not found] ` <1357883330-5364-2-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2013-01-11 6:15 ` Hebbar, Gururaja
2013-01-11 14:27 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 02/14] ARM: edma: remove unused transfer controller handlers Matt Porter
2013-01-11 5:48 ` [PATCH v4 03/14] ARM: edma: add AM33XX support to the private EDMA API Matt Porter
2013-01-11 18:14 ` [PATCH v4,03/14] " Lars Poeschel
[not found] ` <9fda86bbbec3444393fd5a2dc5135a5e@DFLE73.ent.ti.com>
[not found] ` <9fda86bbbec3444393fd5a2dc5135a5e-jplQ/0hSbXKIQmiDNMet8wC/G2K4zDHf@public.gmane.org>
2013-01-11 18:21 ` Matt Porter
2013-01-11 5:48 ` [PATCH v4 04/14] dmaengine: edma: enable build for AM33XX Matt Porter
2013-01-11 5:48 ` [PATCH v4 05/14] dmaengine: edma: Add TI EDMA device tree binding Matt Porter
[not found] ` <1357883330-5364-6-git-send-email-mporter-l0cyMroinI0@public.gmane.org>
2013-01-11 7:54 ` Hebbar, Gururaja
[not found] ` <06e6ba0bd8984e1797c84d2926584909@DFLE72.ent.ti.com>
2013-01-11 14:30 ` Matt Porter [this message]
2013-01-11 5:48 ` [PATCH v4 06/14] ARM: dts: add AM33XX EDMA support Matt Porter
2013-01-11 5:48 ` [PATCH v4 07/14] dmaengine: add dma_request_slave_channel_compat() Matt Porter
2013-01-11 17:52 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 08/14] mmc: omap_hsmmc: convert to dma_request_slave_channel_compat() Matt Porter
2013-01-11 17:52 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 09/14] mmc: omap_hsmmc: set max_segs based on dma engine limitations Matt Porter
2013-01-11 17:53 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 10/14] mmc: omap_hsmmc: add generic DMA request support to the DT binding Matt Porter
2013-01-11 17:54 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 11/14] ARM: dts: add AM33XX MMC support Matt Porter
2013-01-11 17:55 ` Tony Lindgren
2013-01-11 5:48 ` [PATCH v4 12/14] spi: omap2-mcspi: convert to dma_request_slave_channel_compat() Matt Porter
2013-01-11 5:48 ` [PATCH v4 13/14] spi: omap2-mcspi: add generic DMA request support to the DT binding Matt Porter
2013-01-11 11:40 ` [PATCH v4 00/14] DMA Engine support for AM33XX Arnd Bergmann
2013-01-11 18:33 ` Matt Porter
2013-01-11 20:12 ` Arnd Bergmann
2013-01-11 5:48 ` [PATCH v4 14/14] ARM: dts: add AM33XX SPI DMA support Matt Porter
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