diff options
Diffstat (limited to 'patches/linux-3.8.13/0017-dmaengine-edma-Add-TI-EDMA-device-tree-binding.patch')
| -rw-r--r-- | patches/linux-3.8.13/0017-dmaengine-edma-Add-TI-EDMA-device-tree-binding.patch | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/patches/linux-3.8.13/0017-dmaengine-edma-Add-TI-EDMA-device-tree-binding.patch b/patches/linux-3.8.13/0017-dmaengine-edma-Add-TI-EDMA-device-tree-binding.patch new file mode 100644 index 0000000..b4a0772 --- /dev/null +++ b/patches/linux-3.8.13/0017-dmaengine-edma-Add-TI-EDMA-device-tree-binding.patch @@ -0,0 +1,68 @@ +From: Matt Porter <mporter@ti.com> +Date: Thu, 20 Sep 2012 07:46:04 -0400 +Subject: [PATCH] dmaengine: edma: Add TI EDMA device tree binding + +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..075a60e3 +--- /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 ++- ti,edma-xbar-event-map: Crossbar event to channel map ++ ++Example: ++ ++edma: edma@49000000 { ++ 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>; ++}; |