Based on kernel version 4.0. Page generated on 2015-04-14 21:20 EST.
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: 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. 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";