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Diffstat (limited to 'Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt new file mode 100644 index 000000000000..3223684a643b --- /dev/null +++ b/Documentation/devicetree/bindings/iio/adc/at91-sama5d2_adc.txt @@ -0,0 +1,28 @@ +* AT91 SAMA5D2 Analog to Digital Converter (ADC) + +Required properties: + - compatible: Should be "atmel,sama5d2-adc". + - reg: Should contain ADC registers location and length. + - interrupts: Should contain the IRQ line for the ADC. + - clocks: phandle to device clock. + - clock-names: Must be "adc_clk". + - vref-supply: Supply used as reference for conversions. + - vddana-supply: Supply for the adc device. + - atmel,min-sample-rate-hz: Minimum sampling rate, it depends on SoC. + - atmel,max-sample-rate-hz: Maximum sampling rate, it depends on SoC. + - atmel,startup-time-ms: Startup time expressed in ms, it depends on SoC. + +Example: + +adc: adc@fc030000 { + compatible = "atmel,sama5d2-adc"; + reg = <0xfc030000 0x100>; + interrupts = <40 IRQ_TYPE_LEVEL_HIGH 7>; + clocks = <&adc_clk>; + clock-names = "adc_clk"; + atmel,min-sample-rate-hz = <200000>; + atmel,max-sample-rate-hz = <20000000>; + atmel,startup-time-ms = <4>; + vddana-supply = <&vdd_3v3_lp_reg>; + vref-supply = <&vdd_3v3_lp_reg>; +} |