From: mporter@ti.com (Matt Porter)
To: linux-arm-kernel@lists.infradead.org
Subject: [RFC PATCH 05/13] dma: Add TI EDMA device tree binding
Date: Fri, 21 Sep 2012 14:23:02 -0400 [thread overview]
Message-ID: <20120921182302.GF16522@beef> (raw)
In-Reply-To: <1BAFE6F6C881BF42822005164F1491C33EA8A819@DBDE01.ent.ti.com>
On Fri, Sep 21, 2012 at 08:45:53AM +0000, Hebbar, Gururaja wrote:
> On Thu, Sep 20, 2012 at 20:13:38, 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 | 49 +++++++++++++++++++++
> > 1 file changed, 49 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..06402eb
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/dma/ti-edma.txt
> > @@ -0,0 +1,49 @@
> > +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
> > +
> > +Example:
> > +
> > +edma: edma at 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).
Ok. will drop that in v2.
>
>
> > + 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>;
> > +};
> > +
> > --
> > 1.7.9.5
> >
> > _______________________________________________
> > Davinci-linux-open-source mailing list
> > Davinci-linux-open-source at linux.davincidsp.com
> > http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
> >
>
>
> Regards,
> Gururaja
> _______________________________________________
> Davinci-linux-open-source mailing list
> Davinci-linux-open-source at linux.davincidsp.com
> http://linux.davincidsp.com/mailman/listinfo/davinci-linux-open-source
next prev parent reply other threads:[~2012-09-21 18:23 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-09-20 14:43 [RFC PATCH 00/13] DMA Engine support for AM33xx Matt Porter
2012-09-20 14:43 ` [RFC PATCH 01/13] ARM: davinci: move private EDMA API to arm/common Matt Porter
2012-09-21 7:10 ` Hebbar, Gururaja
2012-09-21 18:24 ` Matt Porter
2012-09-21 9:29 ` Russell King - ARM Linux
2012-09-21 9:33 ` Hebbar, Gururaja
2012-09-21 9:42 ` Russell King - ARM Linux
2012-09-21 18:34 ` Matt Porter
2012-09-21 18:50 ` Russell King - ARM Linux
2012-09-24 2:44 ` Hebbar, Gururaja
2012-09-20 14:43 ` [RFC PATCH 02/13] ARM: edma: remove unused transfer controller handlers Matt Porter
2012-09-20 14:43 ` [RFC PATCH 03/13] ARM: edma: add DT and runtime PM support for AM335x Matt Porter
2012-09-21 8:53 ` Hebbar, Gururaja
2012-10-09 18:58 ` Matt Porter
2012-09-20 14:43 ` [RFC PATCH 04/13] dmaengine: edma: enable build " Matt Porter
2012-09-20 14:43 ` [RFC PATCH 05/13] dma: Add TI EDMA device tree binding Matt Porter
2012-09-21 8:45 ` Hebbar, Gururaja
2012-09-21 18:23 ` Matt Porter [this message]
2012-09-20 14:43 ` [RFC PATCH 06/13] ARM: omap: add hsmmc am33xx specific init Matt Porter
2012-09-20 14:43 ` [RFC PATCH 07/13] mmc: omap_hsmmc: dma_request_slave_channel() support for DT platforms Matt Porter
2012-09-20 22:16 ` Tony Lindgren
2012-09-20 14:43 ` [RFC PATCH 08/13] mmc: omap_hsmmc: limit max_segs with the EDMA DMAC Matt Porter
2012-09-21 17:15 ` S, Venkatraman
2012-09-21 17:17 ` S, Venkatraman
2012-09-21 17:18 ` Felipe Balbi
2012-09-21 17:33 ` S, Venkatraman
2012-09-21 18:54 ` Matt Porter
2012-09-21 18:42 ` Matt Porter
2012-09-21 18:47 ` Russell King - ARM Linux
2012-09-21 19:03 ` Matt Porter
2012-09-27 9:41 ` Vinod Koul
2012-10-01 16:39 ` Matt Porter
2012-10-02 12:03 ` Vinod Koul
2012-09-20 14:43 ` [RFC PATCH 09/13] mmc: omap_hsmmc: add generic DMA request support to the DT binding Matt Porter
2012-09-20 14:43 ` [RFC PATCH 10/13] spi: omap2-mcspi: dma_request_slave_channel() support for DT platforms Matt Porter
2012-09-20 22:09 ` Tony Lindgren
2012-09-21 8:16 ` Arnd Bergmann
2012-09-21 15:42 ` Tony Lindgren
2012-09-21 18:37 ` Matt Porter
2012-09-27 9:36 ` Vinod Koul
2012-10-01 16:37 ` Matt Porter
2012-09-20 14:43 ` [RFC PATCH 11/13] spi: omap2-mcspi: add generic DMA request support to the DT binding Matt Porter
2012-09-20 14:43 ` [RFC PATCH 12/13] ARM: dts: add am33xx EDMA support Matt Porter
2012-09-20 14:43 ` [RFC PATCH 13/13] Documentation: add schedule for removing private EDMA API Matt Porter
2012-09-20 15:58 ` Mark Brown
2012-09-20 16:05 ` Matt Porter
2012-09-21 8:27 ` [RFC PATCH 00/13] DMA Engine support for AM33xx Hebbar, Gururaja
2012-09-21 18:22 ` Matt Porter
2012-09-24 11:26 ` Hebbar, Gururaja
2012-09-24 12:05 ` Matt Porter
2012-09-26 8:26 ` Hebbar, Gururaja
2012-09-26 13:01 ` Matt Porter
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