diff options
Diffstat (limited to 'Documentation/devicetree/bindings/arm')
-rw-r--r-- | Documentation/devicetree/bindings/arm/atmel-adc.txt | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/arm/atmel-adc.txt b/Documentation/devicetree/bindings/arm/atmel-adc.txt index 723c205cb10d..d1061469f63d 100644 --- a/Documentation/devicetree/bindings/arm/atmel-adc.txt +++ b/Documentation/devicetree/bindings/arm/atmel-adc.txt | |||
@@ -7,7 +7,6 @@ Required properties: | |||
7 | - interrupts: Should contain the IRQ line for the ADC | 7 | - interrupts: Should contain the IRQ line for the ADC |
8 | - atmel,adc-channels-used: Bitmask of the channels muxed and enable for this | 8 | - atmel,adc-channels-used: Bitmask of the channels muxed and enable for this |
9 | device | 9 | device |
10 | - atmel,adc-num-channels: Number of channels available in the ADC | ||
11 | - atmel,adc-startup-time: Startup Time of the ADC in microseconds as | 10 | - atmel,adc-startup-time: Startup Time of the ADC in microseconds as |
12 | defined in the datasheet | 11 | defined in the datasheet |
13 | - atmel,adc-vref: Reference voltage in millivolts for the conversions | 12 | - atmel,adc-vref: Reference voltage in millivolts for the conversions |
@@ -24,6 +23,13 @@ Optional properties: | |||
24 | resolution will be used. | 23 | resolution will be used. |
25 | - atmel,adc-sleep-mode: Boolean to enable sleep mode when no conversion | 24 | - atmel,adc-sleep-mode: Boolean to enable sleep mode when no conversion |
26 | - atmel,adc-sample-hold-time: Sample and Hold Time in microseconds | 25 | - atmel,adc-sample-hold-time: Sample and Hold Time in microseconds |
26 | - atmel,adc-ts-wires: Number of touch screen wires. Should be 4 or 5. If this | ||
27 | value is set, then adc driver will enable touch screen | ||
28 | support. | ||
29 | NOTE: when adc touch screen enabled, the adc hardware trigger will be | ||
30 | disabled. Since touch screen will occupied the trigger register. | ||
31 | - atmel,adc-ts-pressure-threshold: a pressure threshold for touchscreen. It | ||
32 | make touch detect more precision. | ||
27 | 33 | ||
28 | Optional trigger Nodes: | 34 | Optional trigger Nodes: |
29 | - Required properties: | 35 | - Required properties: |