gpio: mxc: add clock operation

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Some i.MX SoCs have GPIO clock gates in CCM CCGR, such as
i.MX6SLL, need to enable clocks before accessing GPIO
registers, add optional clock operation for GPIO driver.

Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Anson Huang 2018-05-22 11:05:40 +08:00 • committed by Linus Walleij

parent 3027743f83

commit 2808801aab

1 changed files with 14 additions and 0 deletions

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drivers/gpio/gpio-mxc.c

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