1 * AT91's Analog to Digital Converter (ADC)
4 - compatible: Should be "atmel,at91sam9260-adc"
5 - reg: Should contain ADC registers location and length
6 - interrupts: Should contain the IRQ line for the ADC
7 - atmel,adc-channel-base: Offset of the first channel data register
8 - atmel,adc-channels-used: Bitmask of the channels muxed and enable for this
10 - atmel,adc-drdy-mask: Mask of the DRDY interruption in the ADC
11 - atmel,adc-num-channels: Number of channels available in the ADC
12 - atmel,adc-startup-time: Startup Time of the ADC in microseconds as
13 defined in the datasheet
14 - atmel,adc-status-register: Offset of the Interrupt Status Register
15 - atmel,adc-trigger-register: Offset of the Trigger Register
16 - atmel,adc-vref: Reference voltage in millivolts for the conversions
19 - atmel,adc-use-external: Boolean to enable of external triggers
21 Optional trigger Nodes:
22 - Required properties:
23 * trigger-name: Name of the trigger exposed to the user
24 * trigger-value: Value to put in the Trigger register
25 to activate this trigger
26 - Optional properties:
27 * trigger-external: Is the trigger an external trigger?
31 compatible = "atmel,at91sam9260-adc";
32 reg = <0xfffb0000 0x100>;
34 atmel,adc-channel-base = <0x30>;
35 atmel,adc-channels-used = <0xff>;
36 atmel,adc-drdy-mask = <0x10000>;
37 atmel,adc-num-channels = <8>;
38 atmel,adc-startup-time = <40>;
39 atmel,adc-status-register = <0x1c>;
40 atmel,adc-trigger-register = <0x08>;
41 atmel,adc-use-external;
42 atmel,adc-vref = <3300>;
45 trigger-name = "external-rising";
46 trigger-value = <0x1>;
50 trigger-name = "external-falling";
51 trigger-value = <0x2>;
56 trigger-name = "external-any";
57 trigger-value = <0x3>;
62 trigger-name = "continuous";
63 trigger-value = <0x6>;