1OMAP2+ McSPI device 2 3Required properties: 4- compatible : 5 - "ti,am654-mcspi" for AM654. 6 - "ti,omap2-mcspi" for OMAP2 & OMAP3. 7 - "ti,omap4-mcspi" for OMAP4+. 8- ti,spi-num-cs : Number of chipselect supported by the instance. 9- ti,hwmods: Name of the hwmod associated to the McSPI 10- ti,pindir-d0-out-d1-in: Select the D0 pin as output and D1 as 11 input. The default is D0 as input and 12 D1 as output. 13 14Optional properties: 15- dmas: List of DMA specifiers with the controller specific format 16 as described in the generic DMA client binding. A tx and rx 17 specifier is required for each chip select. 18- dma-names: List of DMA request names. These strings correspond 19 1:1 with the DMA specifiers listed in dmas. The string naming 20 is to be "rxN" and "txN" for RX and TX requests, 21 respectively, where N equals the chip select number. 22 23Examples: 24 25[hwmod populated DMA resources] 26 27mcspi1: mcspi@1 { 28 #address-cells = <1>; 29 #size-cells = <0>; 30 compatible = "ti,omap4-mcspi"; 31 ti,hwmods = "mcspi1"; 32 ti,spi-num-cs = <4>; 33}; 34 35[generic DMA request binding] 36 37mcspi1: mcspi@1 { 38 #address-cells = <1>; 39 #size-cells = <0>; 40 compatible = "ti,omap4-mcspi"; 41 ti,hwmods = "mcspi1"; 42 ti,spi-num-cs = <2>; 43 dmas = <&edma 42 44 &edma 43 45 &edma 44 46 &edma 45>; 47 dma-names = "tx0", "rx0", "tx1", "rx1"; 48}; 49