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| author | Ludovic Desroches <ludovic.desroches@atmel.com> | 2016-01-14 16:38:13 +0100 |
|---|---|---|
| committer | Jonathan Cameron <jic23@kernel.org> | 2016-01-16 12:27:02 +0100 |
| commit | 27e177190891d2ad5174a434d8f09b9315520585 (patch) | |
| tree | be2c4916f1fcde414e7e2812e94bb909e7b9c446 /Documentation | |
| parent | iio: ak8975: constify ak_def structures (diff) | |
| download | linux-27e177190891d2ad5174a434d8f09b9315520585.tar.xz linux-27e177190891d2ad5174a434d8f09b9315520585.zip | |
iio:adc:at91_adc8xx: introduce new atmel adc driver
This driver supports the new version of the Atmel ADC device introduced
with the SAMA5D2 SoC family.
Signed-off-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'Documentation')
| -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>; +} |