summaryrefslogtreecommitdiff
path: root/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation/devicetree/bindings/iio/adc/vf610-adc.txt')
-rw-r--r--Documentation/devicetree/bindings/iio/adc/vf610-adc.txt9
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt b/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt
index 1a4a43d5c9ea..3eb40e20c143 100644
--- a/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt
+++ b/Documentation/devicetree/bindings/iio/adc/vf610-adc.txt
@@ -11,6 +11,13 @@ Required properties:
- clock-names: Must contain "adc", matching entry in the clocks property.
- vref-supply: The regulator supply ADC reference voltage.
+Recommended properties:
+- fsl,adck-max-frequency: Maximum frequencies according to datasheets operating
+ requirements. Three values are required, depending on conversion mode:
+ - Frequency in normal mode (ADLPC=0, ADHSC=0)
+ - Frequency in high-speed mode (ADLPC=0, ADHSC=1)
+ - Frequency in low-power mode (ADLPC=1, ADHSC=0)
+
Example:
adc0: adc@4003b000 {
compatible = "fsl,vf610-adc";
@@ -18,5 +25,7 @@ adc0: adc@4003b000 {
interrupts = <0 53 0x04>;
clocks = <&clks VF610_CLK_ADC0>;
clock-names = "adc";
+ fsl,adck-max-frequency = <30000000>, <40000000>,
+ <20000000>;
vref-supply = <&reg_vcc_3v3_mcu>;
};