pinctrl: at91-pio4: add support for slew-rate

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SAMA7G5 supports slew rate configuration. Adapt the driver for this.
For output switching frequencies lower than 50MHz the slew rate needs to
be enabled. Since most of the pins on SAMA7G5 fall into this category
enabled the slew rate by default.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Acked-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Link: https://lore.kernel.org/r/1611747945-29960-3-git-send-email-claudiu.beznea@microchip.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Claudiu Beznea 2021-01-27 13:45:44 +02:00 • committed by Linus Walleij

parent aad018aacb

commit c709135e57

1 changed files with 27 additions and 0 deletions

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drivers/pinctrl/pinctrl-at91-pio4.c

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