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| author | Emmanuel Vadot <manu@FreeBSD.org> | 2017-03-07 12:41:06 +0000 |
|---|---|---|
| committer | Emmanuel Vadot <manu@FreeBSD.org> | 2017-03-07 12:41:06 +0000 |
| commit | ff018dbf5bb142aa83bd955e5b6c55d66e9e9c1e (patch) | |
| tree | 5cd0b74d984dae06ea54b6b09998163538d3c162 /Bindings/input/gpio-decoder.txt | |
| parent | c7716441be3a4a48aa7b7cdf69a15625c1cd8ef5 (diff) | |
| download | src-ff018dbf5bb142aa83bd955e5b6c55d66e9e9c1e.tar.gz src-ff018dbf5bb142aa83bd955e5b6c55d66e9e9c1e.zip | |
Update to Linux 4.10vendor/device-tree/4.10
Notes
Notes:
svn path=/vendor/device-tree/dist/; revision=314847
svn path=/vendor/device-tree/4.10/; revision=314848; tag=vendor/device-tree/4.10
Diffstat (limited to 'Bindings/input/gpio-decoder.txt')
| -rw-r--r-- | Bindings/input/gpio-decoder.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/Bindings/input/gpio-decoder.txt b/Bindings/input/gpio-decoder.txt new file mode 100644 index 000000000000..14a77fb96cf0 --- /dev/null +++ b/Bindings/input/gpio-decoder.txt @@ -0,0 +1,23 @@ +* GPIO Decoder DT bindings + +Required Properties: +- compatible: should be "gpio-decoder" +- gpios: a spec of gpios (at least two) to be decoded to a number with + first entry representing the MSB. + +Optional Properties: +- decoder-max-value: Maximum possible value that can be reported by + the gpios. +- linux,axis: the input subsystem axis to map to (ABS_X/ABS_Y). + Defaults to 0 (ABS_X). + +Example: + gpio-decoder0 { + compatible = "gpio-decoder"; + gpios = <&pca9536 3 GPIO_ACTIVE_HIGH>, + <&pca9536 2 GPIO_ACTIVE_HIGH>, + <&pca9536 1 GPIO_ACTIVE_HIGH>, + <&pca9536 0 GPIO_ACTIVE_HIGH>; + linux,axis = <0>; /* ABS_X */ + decoder-max-value = <9>; + }; |