1* NVIDIA Tegra Audio DMA (ADMA) controller
2
3The Tegra Audio DMA controller that is used for transferring data
4between system memory and the Audio Processing Engine (APE).
5
6Required properties:
7- compatible: Should contain one of the following:
8  - "nvidia,tegra210-adma": for Tegra210
9  - "nvidia,tegra186-adma": for Tegra186 and Tegra194
10- reg: Should contain DMA registers location and length. This should be
11  a single entry that includes all of the per-channel registers in one
12  contiguous bank.
13- interrupts: Should contain all of the per-channel DMA interrupts in
14  ascending order with respect to the DMA channel index.
15- clocks: Must contain one entry for the ADMA module clock
16  (TEGRA210_CLK_D_AUDIO).
17- clock-names: Must contain the name "d_audio" for the corresponding
18  'clocks' entry.
19- #dma-cells : Must be 1. The first cell denotes the receive/transmit
20  request number and should be between 1 and the maximum number of
21  requests supported. This value corresponds to the RX/TX_REQUEST_SELECT
22  fields in the ADMA_CHn_CTRL register.
23
24
25Example:
26
27adma: dma@702e2000 {
28	compatible = "nvidia,tegra210-adma";
29	reg = <0x0 0x702e2000 0x0 0x2000>;
30	interrupt-parent = <&tegra_agic>;
31	interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>,
32		     <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>,
33		     <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>,
34		     <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>,
35		     <GIC_SPI 28 IRQ_TYPE_LEVEL_HIGH>,
36		     <GIC_SPI 29 IRQ_TYPE_LEVEL_HIGH>,
37		     <GIC_SPI 30 IRQ_TYPE_LEVEL_HIGH>,
38		     <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>,
39		     <GIC_SPI 32 IRQ_TYPE_LEVEL_HIGH>,
40		     <GIC_SPI 33 IRQ_TYPE_LEVEL_HIGH>,
41		     <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>,
42		     <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>,
43		     <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>,
44		     <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>,
45		     <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>,
46		     <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>,
47		     <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>,
48		     <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>,
49		     <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>,
50		     <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>,
51		     <GIC_SPI 44 IRQ_TYPE_LEVEL_HIGH>,
52		     <GIC_SPI 45 IRQ_TYPE_LEVEL_HIGH>;
53	clocks = <&tegra_car TEGRA210_CLK_D_AUDIO>;
54	clock-names = "d_audio";
55	#dma-cells = <1>;
56};
57