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| author | Sascha Hauer <s.hauer@pengutronix.de> | 2016-10-18 10:10:24 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2016-10-18 10:10:24 +0200 |
| commit | bfbf18d991756858337f7700e8ff0a6f0dc31afc (patch) | |
| tree | cf3568de4fdff1891e277507f08f49a871682706 /dts/Bindings/input/gpio-decoder.txt | |
| parent | 834f6bf5e5f1169065376ad1aeb6a6266e66ce5c (diff) | |
| download | barebox-bfbf18d991756858337f7700e8ff0a6f0dc31afc.tar.gz barebox-bfbf18d991756858337f7700e8ff0a6f0dc31afc.tar.xz | |
dts: update to v4.9-rc1
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'dts/Bindings/input/gpio-decoder.txt')
| -rw-r--r-- | dts/Bindings/input/gpio-decoder.txt | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/dts/Bindings/input/gpio-decoder.txt b/dts/Bindings/input/gpio-decoder.txt new file mode 100644 index 0000000000..14a77fb96c --- /dev/null +++ b/dts/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>; + }; |