Messages in this thread Patch in this message | | | From | Peng Fan <> | Subject | [PATCH 1/2] devicetree: gpio: 74x164: optional enable-gpios | Date | Mon, 7 Aug 2017 20:27:12 +0800 |
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There is an OE(low active) input pin for 74hc595 and 74lv595. To some boards, the OE pin is controlled by GPIO, so add an optional property "enable-gpios".
Signed-off-by: Peng Fan <peng.fan@nxp.com> Cc: Rob Herring <robh@kernel.org> Cc: Linus Walleij <linus.walleij@linaro.org> --- Documentation/devicetree/bindings/gpio/gpio-74x164.txt | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpio/gpio-74x164.txt b/Documentation/devicetree/bindings/gpio/gpio-74x164.txt index ce1b223..c878834 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: Specifier of the GPIO connected to OE pin + Example: gpio5: gpio5@0 { -- 2.6.6
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