From 1bb257a9b33d499e1d9f6edad8d3396243741b81 Mon Sep 17 00:00:00 2001 From: Patrick Delaunay Date: Mon, 13 Jan 2020 11:34:58 +0100 Subject: dt-bindings: gpio: document the new pull-up/pull-down flags This commit extends the flags that can be used in GPIO specifiers to indicate if a pull-up resistor or pull-down resistor should be enabled. It is the backport of linux commit ede033e1e863c ('dt-bindings: gpio: document the new pull-up/pull-down flags') from Thomas Petazzoni and integrated in v5.1-rc1 https://github.com/torvalds/linux/commit/ede033e1e863c Signed-off-by: Patrick Delaunay Reviewed-by: Simon Glass --- include/dt-bindings/gpio/gpio.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'include/dt-bindings') diff --git a/include/dt-bindings/gpio/gpio.h b/include/dt-bindings/gpio/gpio.h index 2cc10ae4bb..c029467e82 100644 --- a/include/dt-bindings/gpio/gpio.h +++ b/include/dt-bindings/gpio/gpio.h @@ -33,4 +33,10 @@ #define GPIO_PERSISTENT 0 #define GPIO_TRANSITORY 8 +/* Bit 4 express pull up */ +#define GPIO_PULL_UP 16 + +/* Bit 5 express pull down */ +#define GPIO_PULL_DOWN 32 + #endif -- cgit