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dt-bindings: add documentation for slew rate 

Add documentation for slew rate.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
hifive-unleashed-5.1
Claudiu Beznea 2019-02-07 09:25:08 +00:00 committed by Linus Walleij
parent 64e21add8c
commit 5e07a82064
1 changed files with 1 additions and 0 deletions
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Documentation/devicetree/bindings/pinctrl/atmel,at91-pinctrl.txt
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@ -100,6 +100,7 @@ DRIVE_STRENGTH (3 << 5): indicate the drive strength of the pin using the
11 - High
OUTPUT (1 << 7): indicate this pin need to be configured as an output.
OUTPUT_VAL (1 << 8): output val (1 = high, 0 = low)
SLEWRATE (1 << 9): slew rate of the pin: 0 = disable, 1 = enable
DEBOUNCE (1 << 16): indicate this pin needs debounce.
DEBOUNCE_VAL (0x3fff << 17): debounce value.