[PATCH v2 1/3] dt-bindings: pinctrl: at91-pio4: add slew-rate

Claudiu Beznea
2021-01-27T12:16:18Z

Document slew-rate DT binding for SAMA7G5.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
---
.../devicetree/bindings/pinctrl/atmel,at91-pio4-pinctrl.txt | 8 +++++---
1 file 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.

--
2.7.4