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Diffstat (limited to 'Bindings/dma/mmp-dma.txt')
-rw-r--r-- | Bindings/dma/mmp-dma.txt | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/Bindings/dma/mmp-dma.txt b/Bindings/dma/mmp-dma.txt deleted file mode 100644 index ec18bf0..0000000 --- a/Bindings/dma/mmp-dma.txt +++ /dev/null @@ -1,81 +0,0 @@ -* MARVELL MMP DMA controller - -Marvell Peripheral DMA Controller -Used platforms: pxa688, pxa910, pxa3xx, etc - -Required properties: -- compatible: Should be "marvell,pdma-1.0" -- reg: Should contain DMA registers location and length. -- interrupts: Either contain all of the per-channel DMA interrupts - or one irq for pdma device - -Optional properties: -- dma-channels: Number of DMA channels supported by the controller (defaults - to 32 when not specified) -- #dma-channels: deprecated -- dma-requests: Number of DMA requestor lines supported by the controller - (defaults to 32 when not specified) -- #dma-requests: deprecated - -"marvell,pdma-1.0" -Used platforms: pxa25x, pxa27x, pxa3xx, pxa93x, pxa168, pxa910, pxa688. - -Examples: - -/* - * Each channel has specific irq - * ICU parse out irq channel from ICU register, - * while DMA controller may not able to distinguish the irq channel - * Using this method, interrupt-parent is required as demuxer - * For example, pxa688 icu register 0x128, bit 0~15 is PDMA channel irq, - * 18~21 is ADMA irq - */ -pdma: dma-controller@d4000000 { - compatible = "marvell,pdma-1.0"; - reg = <0xd4000000 0x10000>; - interrupts = <0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15>; - interrupt-parent = <&intcmux32>; - dma-channels = <16>; - }; - -/* - * One irq for all channels - * Dmaengine driver (DMA controller) distinguish irq channel via - * parsing internal register - */ -pdma: dma-controller@d4000000 { - compatible = "marvell,pdma-1.0"; - reg = <0xd4000000 0x10000>; - interrupts = <47>; - dma-channels = <16>; - }; - - -Marvell Two Channel DMA Controller used specifically for audio -Used platforms: pxa688, pxa910 - -Required properties: -- compatible: Should be "marvell,adma-1.0" or "marvell,pxa910-squ" -- reg: Should contain DMA registers location and length. -- interrupts: Either contain all of the per-channel DMA interrupts - or one irq for dma device - -"marvell,adma-1.0" used on pxa688 -"marvell,pxa910-squ" used on pxa910 - -Examples: - -/* each channel has specific irq */ -adma0: dma-controller@d42a0800 { - compatible = "marvell,adma-1.0"; - reg = <0xd42a0800 0x100>; - interrupts = <18 19>; - interrupt-parent = <&intcmux32>; - }; - -/* One irq for all channels */ -squ: dma-controller@d42a0800 { - compatible = "marvell,pxa910-squ"; - reg = <0xd42a0800 0x100>; - interrupts = <46>; - }; |