gpio: aspeed: Add command source registers

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This adds the definitions for the command source registers
and a helper to set them.

Those registers allow to control which bus master on the
SoC is allowed to modify a given bank of GPIOs and will
be used by subsequent patches.

Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Reviewed-by: Joel Stanley <joel@jms.id.au>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

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Benjamin Herrenschmidt 2018-06-29 14:11:18 +10:00 • committed by Linus Walleij

parent c67dda88cc

commit 0f1e03c2b5

1 changed files with 54 additions and 0 deletions

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drivers/gpio/gpio-aspeed.c

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