| Kuninori Morimoto | caf18c2 | 2014-06-18 01:59:44 -0700 | [diff] [blame] | 1 | * R-Car Audio DMAC peri peri Device Tree bindings |
| 2 | |
| 3 | Required properties: |
| 4 | - compatible: should be "renesas,rcar-audmapp" |
| 5 | - #dma-cells: should be <1>, see "dmas" property below |
| 6 | |
| 7 | Example: |
| 8 | audmapp: audio-dma-pp@0xec740000 { |
| 9 | compatible = "renesas,rcar-audmapp"; |
| 10 | #dma-cells = <1>; |
| 11 | |
| 12 | reg = <0 0xec740000 0 0x200>; |
| 13 | }; |
| 14 | |
| 15 | |
| 16 | * DMA client |
| 17 | |
| 18 | Required properties: |
| Kuninori Morimoto | 87c9c45 | 2014-08-06 10:37:59 +0900 | [diff] [blame] | 19 | - dmas: a list of <[DMA multiplexer phandle] [SRS << 8 | DRS]> pairs. |
| 20 | where SRS/DRS are specified in the SoC manual. |
| 21 | It will be written into PDMACHCR as high 16-bit parts. |
| Kuninori Morimoto | caf18c2 | 2014-06-18 01:59:44 -0700 | [diff] [blame] | 22 | - dma-names: a list of DMA channel names, one per "dmas" entry |
| 23 | |
| 24 | Example: |
| 25 | |
| 26 | dmas = <&audmapp 0x2d00 |
| 27 | &audmapp 0x3700>; |
| 28 | dma-names = "src0_ssiu0", |
| 29 | "dvc0_ssiu0"; |