summaryrefslogtreecommitdiffstats
path: root/include/dt-bindings
diff options
context:
space:
mode:
authorCharles Keepax <ckeepax@opensource.wolfsonmicro.com>2017-05-23 15:47:29 +0100
committerLinus Walleij <linus.walleij@linaro.org>2017-05-29 11:07:55 +0200
commit05f479bf7d239f01ff6546f2bdeb14ad0fe65601 (patch)
tree01007d9e5d3d3093d50cb01a1c715c142c63d4d1 /include/dt-bindings
parentf9e3a419aa53d77a9ba348f587775aea726fcafa (diff)
downloadlinux-05f479bf7d239f01ff6546f2bdeb14ad0fe65601.tar.gz
linux-05f479bf7d239f01ff6546f2bdeb14ad0fe65601.tar.bz2
linux-05f479bf7d239f01ff6546f2bdeb14ad0fe65601.zip
gpio: Add new flags to control sleep status of GPIOs
Add new flags to allow users to specify that they are not concerned with the status of GPIOs whilst in a sleep/low power state. Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'include/dt-bindings')
-rw-r--r--include/dt-bindings/gpio/gpio.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/dt-bindings/gpio/gpio.h b/include/dt-bindings/gpio/gpio.h
index b4f54da694eb..c5074584561d 100644
--- a/include/dt-bindings/gpio/gpio.h
+++ b/include/dt-bindings/gpio/gpio.h
@@ -28,4 +28,8 @@
#define GPIO_OPEN_DRAIN (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_DRAIN)
#define GPIO_OPEN_SOURCE (GPIO_SINGLE_ENDED | GPIO_LINE_OPEN_SOURCE)
+/* Bit 3 express GPIO suspend/resume persistence */
+#define GPIO_SLEEP_MAINTAIN_VALUE 0
+#define GPIO_SLEEP_MAY_LOOSE_VALUE 8
+
#endif