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authorEugen Hristev <eugen.hristev@microchip.com>2021-01-05 11:50:06 +0300
committerEugen Hristev <eugen.hristev@microchip.com>2021-01-22 16:09:59 +0300
commit63c27c3e66697db779ae4cd931f8ccfd84838ae5 (patch)
tree09f85a082880fde9a246f80af682c089db1f5778 /doc/device-tree-bindings
parent7cdcf0cb69f2b3e64194a1ab8845887737c2f795 (diff)
downloadu-boot-63c27c3e66697db779ae4cd931f8ccfd84838ae5.tar.xz
dt-bindings: pinctrl: at91-pio4: add property for drive strength
Add drive strength property which is equivalent with the one in Linux Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Diffstat (limited to 'doc/device-tree-bindings')
-rw-r--r--doc/device-tree-bindings/pinctrl/atmel,at91-pio4-pinctrl.txt2
1 files changed, 2 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/pinctrl/atmel,at91-pio4-pinctrl.txt b/doc/device-tree-bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
index a376c6fba5..9252dc154e 100644
--- a/doc/device-tree-bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
+++ b/doc/device-tree-bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
@@ -28,6 +28,8 @@ Optional properties:
- GENERIC_PINCONFIG: generic pinconfig options to use, bias-disable,
bias-pull-down, bias-pull-up, drive-open-drain, input-schmitt-enable,
input-debounce.
+- atmel,drive-strength: 0 or 1 for low drive, 2 for medium drive and 3 for
+high drive. The default value is low drive.
Example: