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| author |   Philippe Schenker <philippe.schenker@toradex.com> | 2018-12-21 14:46:30 +0100 |
|---|---|---|
| committer |   Lee Jones <lee.jones@linaro.org> | 2019-01-16 12:34:58 +0000 |
| commit | 270a60bcc8f23254d749987f3d2acb79ea5c599e (patch) | |
| tree | ea54af2bfed7916f050dbe5f8d1d15d61c160b36 /Documentation/devicetree/bindings/input | |
| parent | Linux 5.0-rc1 (diff) | |
| download | linux-dev-270a60bcc8f23254d749987f3d2acb79ea5c599e.tar.xz linux-dev-270a60bcc8f23254d749987f3d2acb79ea5c599e.zip | |
dt-bindings: stmpe: Reformatting parameter list and use tabs only
This patch reformats the parameter list for stmpe device in a
table-style so it is more clear to read.
Signed-off-by: Philippe Schenker <philippe.schenker@toradex.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/input')
| -rw-r--r-- | Documentation/devicetree/bindings/input/touchscreen/stmpe.txt | 64 |
1 files changed, 46 insertions, 18 deletions
diff --git a/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt b/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt index 127baa31a77a..bf66a55a7de5 100644 --- a/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt +++ b/Documentation/devicetree/bindings/input/touchscreen/stmpe.txt @@ -5,24 +5,52 @@ Required properties: - compatible: "st,stmpe-ts" Optional properties: -- st,sample-time: ADC converstion time in number of clock. (0 -> 36 clocks, 1 -> - 44 clocks, 2 -> 56 clocks, 3 -> 64 clocks, 4 -> 80 clocks, 5 -> 96 clocks, 6 - -> 144 clocks), recommended is 4. -- st,mod-12b: ADC Bit mode (0 -> 10bit ADC, 1 -> 12bit ADC) -- st,ref-sel: ADC reference source (0 -> internal reference, 1 -> external - reference) -- st,adc-freq: ADC Clock speed (0 -> 1.625 MHz, 1 -> 3.25 MHz, 2 || 3 -> 6.5 MHz) -- st,ave-ctrl: Sample average control (0 -> 1 sample, 1 -> 2 samples, 2 -> 4 - samples, 3 -> 8 samples) -- st,touch-det-delay: Touch detect interrupt delay (0 -> 10 us, 1 -> 50 us, 2 -> - 100 us, 3 -> 500 us, 4-> 1 ms, 5 -> 5 ms, 6 -> 10 ms, 7 -> 50 ms) recommended - is 3 -- st,settling: Panel driver settling time (0 -> 10 us, 1 -> 100 us, 2 -> 500 us, 3 - -> 1 ms, 4 -> 5 ms, 5 -> 10 ms, 6 for 50 ms, 7 -> 100 ms) recommended is 2 -- st,fraction-z: Length of the fractional part in z (fraction-z ([0..7]) = Count of - the fractional part) recommended is 7 -- st,i-drive: current limit value of the touchscreen drivers (0 -> 20 mA typical 35 - mA max, 1 -> 50 mA typical 80 mA max) +- st,sample-time : ADC conversion time in number of clock. + 0 -> 36 clocks + 1 -> 44 clocks + 2 -> 56 clocks + 3 -> 64 clocks + 4 -> 80 clocks (recommended) + 5 -> 96 clocks + 6 -> 144 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 + 1 -> 3.25 MHz + 2 || 3 -> 6.5 MHz +- st,ave-ctrl : Sample average control + 0 -> 1 sample + 1 -> 2 samples + 2 -> 4 samples + 3 -> 8 samples +- st,touch-det-delay : Touch detect interrupt delay (recommended is 3) + 0 -> 10 us + 1 -> 50 us + 2 -> 100 us + 3 -> 500 us + 4 -> 1 ms + 5 -> 5 ms + 6 -> 10 ms + 7 -> 50 ms +- st,settling : Panel driver settling time (recommended is 2) + 0 -> 10 us + 1 -> 100 us + 2 -> 500 us + 3 -> 1 ms + 4 -> 5 ms + 5 -> 10 ms + 6 -> 50 ms + 7 -> 100 ms +- st,fraction-z : Length of the fractional part in z (recommended is 7) + (fraction-z ([0..7]) = Count of the fractional part) +- st,i-drive : current limit value of the touchscreen drivers + 0 -> 20 mA (typical 35mA max) + 1 -> 50 mA (typical 80 mA max) Node name must be stmpe_touchscreen and should be child node of stmpe node to which it belongs. |