1 Texas Instruments DMA Crossbar (DMA request router)
4 - compatible: "ti,dra7-dma-crossbar" for DRA7xx DMA crossbar
5 - reg: Memory map for accessing module
6 - #dma-cells: Should be set to <1>.
7 Clients should use the crossbar request number (input)
8 - dma-requests: Number of DMA requests the crossbar can receive
9 - dma-masters: phandle pointing to the DMA controller
11 The DMA controller node need to have the following poroperties:
12 - dma-requests: Number of DMA requests the controller can handle
15 - ti,dma-safe-map: Safe routing value for unused request lines
20 sdma: dma-controller@4a056000 {
21 compatible = "ti,omap4430-sdma";
22 reg = <0x4a056000 0x1000>;
23 interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>,
24 <GIC_SPI 8 IRQ_TYPE_LEVEL_HIGH>,
25 <GIC_SPI 9 IRQ_TYPE_LEVEL_HIGH>,
26 <GIC_SPI 10 IRQ_TYPE_LEVEL_HIGH>;
33 sdma_xbar: dma-router@4a002b78 {
34 compatible = "ti,dra7-dma-crossbar";
35 reg = <0x4a002b78 0xfc>;
38 ti,dma-safe-map = <0>;
39 dma-masters = <&sdma>;
43 uart1: serial@4806a000 {
44 compatible = "ti,omap4-uart";
45 reg = <0x4806a000 0x100>;
46 interrupts-extended = <&gic GIC_SPI 67 IRQ_TYPE_LEVEL_HIGH>;
48 clock-frequency = <48000000>;
50 dmas = <&sdma_xbar 49>, <&sdma_xbar 50>;
51 dma-names = "tx", "rx";