Tao Ren 811ac052e2 gpio: aspeed: fix ast2600 bank properties
[ Upstream commit 3e640b1eec38e4c8eba160f26cba4f592e657f3d ]

GPIO_U is mapped to the least significant byte of input/output mask, and
the byte in "output" mask should be 0 because GPIO_U is input only. All
the other bits need to be 1 because GPIO_V/W/X support both input and
output modes.

Similarly, GPIO_Y/Z are mapped to the 2 least significant bytes, and the
according bits need to be 1 because GPIO_Y/Z support both input and
output modes.

Fixes: ab4a85534c3e ("gpio: aspeed: Add in ast2600 details to Aspeed driver")
Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-10-07 08:01:29 +02:00
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