From: Alexander Popov <a13xp0p0v88-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> To: Gerhard Sittig <gsi-ynQEQJNshbs@public.gmane.org>, Dan Williams <dan.j.williams-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Vinod Koul <vinod.koul-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>, Lars-Peter Clausen <lars-Qo5EllUWu/uELgA04lAiVw@public.gmane.org>, Arnd Bergmann <arnd-r2nGTMty4D4@public.gmane.org>, Anatolij Gustschin <agust-ynQEQJNshbs@public.gmane.org>, Andy Shevchenko <andriy.shevchenko-VuQAYsv1563Yd54FQh9/CA@public.gmane.org>, Alexander Popov <a13xp0p0v88-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>, linuxppc-dev-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, dmaengine-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Subject: [PATCH v2 1/3] dmaengine: mpc512x: add device tree binding document Date: Wed, 18 Jun 2014 14:48:10 +0400 [thread overview] Message-ID: <1403088492-15241-2-git-send-email-a13xp0p0v88@gmail.com> (raw) In-Reply-To: <1403088492-15241-1-git-send-email-a13xp0p0v88-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> Introduce a device tree binding document for the MPC512x DMA controller Signed-off-by: Alexander Popov <a13xp0p0v88-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> --- .../devicetree/bindings/dma/mpc512x-dma.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/mpc512x-dma.txt diff --git a/Documentation/devicetree/bindings/dma/mpc512x-dma.txt b/Documentation/devicetree/bindings/dma/mpc512x-dma.txt new file mode 100644 index 0000000..95e2ca0 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/mpc512x-dma.txt @@ -0,0 +1,31 @@ +* Freescale MPC512x and MPC8308 DMA Controller + +The DMA controller in Freescale MPC512x and MPC8308 SoCs can move +blocks of memory contents between memory and peripherals or +from memory to memory. + +Refer to "Generic DMA Controller and DMA request bindings" in +the dma/dma.txt file for a more detailed description of binding. + +Required properties: +- compatible: should be "fsl,mpc5121-dma" or "fsl,mpc8308-dma"; +- reg: should contain the DMA controller registers location and length; +- interrupt for the DMA controller: syntax of interrupt client node + is described in interrupt-controller/interrupts.txt file. + +Optional properties: +- #dma-cells: the length of the DMA specifier, must be <1>. + Each channel of this DMA controller has a peripheral request line, + the assignment is fixed in hardware. This one cell + in dmas property of a client device represents the channel number. + +Example: + + dma0: dma@14000 { + compatible = "fsl,mpc5121-dma"; + reg = <0x14000 0x1800>; + interrupts = <65 0x8>; + #dma-cells = <1>; + }; + +DMA clients must use the format described in dma/dma.txt file. -- 1.8.4.2 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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From: Alexander Popov <a13xp0p0v88@gmail.com> To: Gerhard Sittig <gsi@denx.de>, Dan Williams <dan.j.williams@intel.com>, Vinod Koul <vinod.koul@intel.com>, Lars-Peter Clausen <lars@metafoo.de>, Arnd Bergmann <arnd@arndb.de>, Anatolij Gustschin <agust@denx.de>, Andy Shevchenko <andriy.shevchenko@linux.intel.com>, Alexander Popov <a13xp0p0v88@gmail.com>, linuxppc-dev@lists.ozlabs.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH v2 1/3] dmaengine: mpc512x: add device tree binding document Date: Wed, 18 Jun 2014 14:48:10 +0400 [thread overview] Message-ID: <1403088492-15241-2-git-send-email-a13xp0p0v88@gmail.com> (raw) In-Reply-To: <1403088492-15241-1-git-send-email-a13xp0p0v88@gmail.com> Introduce a device tree binding document for the MPC512x DMA controller Signed-off-by: Alexander Popov <a13xp0p0v88@gmail.com> --- .../devicetree/bindings/dma/mpc512x-dma.txt | 31 ++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 Documentation/devicetree/bindings/dma/mpc512x-dma.txt diff --git a/Documentation/devicetree/bindings/dma/mpc512x-dma.txt b/Documentation/devicetree/bindings/dma/mpc512x-dma.txt new file mode 100644 index 0000000..95e2ca0 --- /dev/null +++ b/Documentation/devicetree/bindings/dma/mpc512x-dma.txt @@ -0,0 +1,31 @@ +* Freescale MPC512x and MPC8308 DMA Controller + +The DMA controller in Freescale MPC512x and MPC8308 SoCs can move +blocks of memory contents between memory and peripherals or +from memory to memory. + +Refer to "Generic DMA Controller and DMA request bindings" in +the dma/dma.txt file for a more detailed description of binding. + +Required properties: +- compatible: should be "fsl,mpc5121-dma" or "fsl,mpc8308-dma"; +- reg: should contain the DMA controller registers location and length; +- interrupt for the DMA controller: syntax of interrupt client node + is described in interrupt-controller/interrupts.txt file. + +Optional properties: +- #dma-cells: the length of the DMA specifier, must be <1>. + Each channel of this DMA controller has a peripheral request line, + the assignment is fixed in hardware. This one cell + in dmas property of a client device represents the channel number. + +Example: + + dma0: dma@14000 { + compatible = "fsl,mpc5121-dma"; + reg = <0x14000 0x1800>; + interrupts = <65 0x8>; + #dma-cells = <1>; + }; + +DMA clients must use the format described in dma/dma.txt file. -- 1.8.4.2
next prev parent reply other threads:[~2014-06-18 10:48 UTC|newest] Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top 2014-06-18 10:48 [PATCH v2 0/3] dmaengine: mpc512x: add device tree binding document and DMA channel lookup Alexander Popov 2014-06-18 10:48 ` Alexander Popov [not found] ` <1403088492-15241-1-git-send-email-a13xp0p0v88-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2014-06-18 10:48 ` Alexander Popov [this message] 2014-06-18 10:48 ` [PATCH v2 1/3] dmaengine: mpc512x: add device tree binding document Alexander Popov [not found] ` <1403088492-15241-2-git-send-email-a13xp0p0v88-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2014-06-18 13:37 ` Mark Rutland 2014-06-18 13:37 ` Mark Rutland 2014-06-18 14:56 ` Alexander Popov 2014-06-18 14:56 ` Alexander Popov [not found] ` <CAF0T0X4=fynr+ou+LK58DwpFnz5rgPiqadykKXf-bsp7N0uaeA-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2014-06-19 13:59 ` Alexander Popov 2014-06-19 13:59 ` Alexander Popov [not found] ` <CAF0T0X5LPRtm6_Q5i0ncpA3NTWckYUwqXgBxGn5ydPMq40VHBQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2014-07-04 17:04 ` Mark Rutland 2014-07-04 17:04 ` Mark Rutland 2014-06-18 10:48 ` [PATCH v2 2/3] dmaengine: of: add common xlate function for matching by channel id Alexander Popov 2014-06-18 10:48 ` Alexander Popov 2014-06-18 10:48 ` [PATCH v2 3/3] dmaengine: mpc512x: register for device tree channel lookup Alexander Popov 2014-06-18 10:48 ` Alexander Popov
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