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 <ckeepax@xxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
New to the series.
Thanks,
Charles
Documentation/devicetree/bindings/gpio/gpio.txt | 2 ++
1 file changed, 2 insertions(+)
diff --git a/Documentation/devicetree/bindings/gpio/gpio.txt b/Documentation/devicetree/bindings/gpio/gpio.txt
index bccb8623..802402f 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
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--
2.1.4
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