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authorClaudiu Beznea <claudiu.beznea@microchip.com>2021-01-27 13:45:43 +0200
committerLinus Walleij <linus.walleij@linaro.org>2021-02-12 13:44:36 +0100
commitaad018aacb3bb7c6be0107464dc0223162d816fd (patch)
tree74952e348e76f55f2f4e38e37d1fe71935fc6a43 /Documentation
parentd3171b6882be50e3bd6ae4cd4c86f9d90a2d8e7a (diff)
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dt-bindings: pinctrl: at91-pio4: add slew-rate
Document slew-rate DT binding for SAMA7G5. Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com> Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com> Acked-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/1611747945-29960-2-git-send-email-claudiu.beznea@microchip.com Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt8
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
index 265015bc0603..e2b861ce16d8 100644
--- a/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
+++ b/Documentation/devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt
@@ -35,9 +35,11 @@ ioset settings. Use the macros from boot/dts/<soc>-pinfunc.h file to get the
right representation of the pin.
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, output-low, output-high.
+- GENERIC_PINCONFIG: generic pinconfig options to use:
+ - bias-disable, bias-pull-down, bias-pull-up, drive-open-drain,
+ input-schmitt-enable, input-debounce, output-low, output-high.
+ - for microchip,sama7g5-pinctrl only:
+ - slew-rate: 0 - disabled, 1 - enabled (default)
- atmel,drive-strength: 0 or 1 for low drive, 2 for medium drive and 3 for
high drive. The default value is low drive.