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Diffstat (limited to 'Documentation/devicetree/bindings/mfd/stmpe.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/mfd/stmpe.txt | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/mfd/stmpe.txt b/Documentation/devicetree/bindings/mfd/stmpe.txt index ca5a74e413e6..dbf6efba1413 100644 --- a/Documentation/devicetree/bindings/mfd/stmpe.txt +++ b/Documentation/devicetree/bindings/mfd/stmpe.txt @@ -15,6 +15,20 @@ Optional properties: - st,autosleep-timeout : Valid entries (ms); 4, 16, 32, 64, 128, 256, 512 and 1024 - irq-gpio : If present, which GPIO to use for event IRQ +Optional properties for devices with touch and ADC (STMPE811|STMPE610): + - st,sample-time : ADC conversion time in number of clock. + 0 -> 36 clocks 4 -> 80 clocks (recommended) + 1 -> 44 clocks 5 -> 96 clocks + 2 -> 56 clocks 6 -> 124 clocks + 3 -> 64 clocks + - st,mod-12b : ADC Bit mode + 0 -> 10bit ADC 1 -> 12bit ADC + - st,ref-sel : ADC reference source + 0 -> internal 1 -> external + - st,adc-freq : ADC Clock speed + 0 -> 1.625 MHz 2 || 3 -> 6.5 MHz + 1 -> 3.25 MHz + Example: stmpe1601: stmpe1601@40 { |