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| author | Fabio Estevam <fabio.estevam@nxp.com> | 2017-08-07 09:41:50 -0300 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2017-08-14 16:24:02 +0200 |
| commit | 7ebc194d0fd4bb0fc8c7aca4b500b5b24e733267 (patch) | |
| tree | af692d51b340c436bb39432618a21b977c29d983 /Documentation | |
| parent | ee949b51e4165107fe4d9ed18c23829119078722 (diff) | |
| download | linux-7ebc194d0fd4bb0fc8c7aca4b500b5b24e733267.tar.gz linux-7ebc194d0fd4bb0fc8c7aca4b500b5b24e733267.tar.bz2 linux-7ebc194d0fd4bb0fc8c7aca4b500b5b24e733267.zip | |
gpio: 74x164: Introduce 'enable-gpios' property
74HC595 has an /OE (output enable) pin that can be controlled by a GPIO.
Introduce an optional property called 'enable-gpios' that allows
controlling the /OE pin.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/gpio/gpio-74x164.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/gpio/gpio-74x164.txt b/Documentation/devicetree/bindings/gpio/gpio-74x164.txt index ce1b2231bf5d..2a97553d8d76 100644 --- a/Documentation/devicetree/bindings/gpio/gpio-74x164.txt +++ b/Documentation/devicetree/bindings/gpio/gpio-74x164.txt @@ -12,6 +12,9 @@ Required properties: 1 = active low - registers-number: Number of daisy-chained shift registers +Optional properties: +- enable-gpios: GPIO connected to the OE (Output Enable) pin. + Example: gpio5: gpio5@0 { |