From: Charles Keepax Date: Tue, 23 May 2017 14:47:31 +0000 (+0100) Subject: gpio: of: Add documentation of new sleep standard GPIO specifiers X-Git-Tag: v4.13-rc1~116^2~53 X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=ca37978497194d55dedd28022403b053ad0d11b2;p=karo-tx-linux.git gpio: of: Add documentation of new sleep standard GPIO specifiers Add documentation of new GPIO specifiers indicating if the state of an output pin should be maintained during sleep/low-power mode. Signed-off-by: Charles Keepax Acked-by: Laxman Dewangan Signed-off-by: Linus Walleij --- diff --git a/Documentation/devicetree/bindings/gpio/gpio.txt b/Documentation/devicetree/bindings/gpio/gpio.txt index bccb862398db..802402f6cc5d 100644 --- a/Documentation/devicetree/bindings/gpio/gpio.txt +++ b/Documentation/devicetree/bindings/gpio/gpio.txt @@ -80,6 +80,8 @@ Optional standard bitfield specifiers for the last cell: https://en.wikipedia.org/wiki/Single-ended_triode - Bit 2: 0 means open-source, 1 means open drain, see: https://en.wikipedia.org/wiki/Open_collector +- Bit 3: 0 means the output should be maintained during sleep/low-power mode + 1 means the output state can be lost during sleep/low-power mode 1.1) GPIO specifier best practices ----------------------------------