1* Atmel PDMIC driver under ALSA SoC architecture
2
3Required properties:
4- compatible
5	Should be "atmel,sama5d2-pdmic".
6- reg
7	Should contain PDMIC registers location and length.
8- interrupts
9	Should contain the IRQ line for the PDMIC.
10- dmas
11	One DMA specifiers as described in atmel-dma.txt and dma.txt files.
12- dma-names
13	Must be "rx".
14- clock-names
15	Required elements:
16	- "pclk"	peripheral clock
17	- "gclk"	generated clock
18- clocks
19	Must contain an entry for each required entry in clock-names.
20	Please refer to clock-bindings.txt.
21- atmel,mic-min-freq
22	The minimal frequency that the micphone supports.
23- atmel,mic-max-freq
24	The maximal frequency that the micphone supports.
25
26Optional properties:
27- pinctrl-names, pinctrl-0
28	Please refer to pinctrl-bindings.txt.
29- atmel,model
30	The user-visible name of this sound card.
31	The default value is "PDMIC".
32- atmel,mic-offset
33	The offset that should be added.
34	The range is from -32768 to 32767.
35	The default value is 0.
36
37Example:
38	pdmic@f8018000 {
39				compatible = "atmel,sama5d2-pdmic";
40				reg = <0xf8018000 0x124>;
41				interrupts = <48 IRQ_TYPE_LEVEL_HIGH 7>;
42				dmas = <&dma0
43					(AT91_XDMAC_DT_MEM_IF(0) | AT91_XDMAC_DT_PER_IF(1)
44					| AT91_XDMAC_DT_PERID(50))>;
45				dma-names = "rx";
46				clocks = <&pdmic_clk>, <&pdmic_gclk>;
47				clock-names = "pclk", "gclk";
48
49				pinctrl-names = "default";
50				pinctrl-0 = <&pinctrl_pdmic_default>;
51				atmel,model = "PDMIC @ sama5d2_xplained";
52				atmel,mic-min-freq = <1000000>;
53				atmel,mic-max-freq = <3246000>;
54				atmel,mic-offset = <0x0>;
55	};
56