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linux-sg2042
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2 Commits

Author SHA1 Message Date
Axel Lin e4889362e0 gpio: sama5d2-piobu: Set proper output level for direction_output 
Set proper output level base on the argument of direction_output.
Also remove sama5d2_piobu_set_direction() as there is only one caller
now.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2019-01-11 10:34:37 +01:00
Andrei.Stefanescu@microchip.com fb0b35d307 gpio: add driver for SAMA5D2 PIOBU pins 
PIOBU pins do not lose their voltage during Backup/Self-refresh.
This patch adds a simple GPIO controller for them and a
maintainer for the driver.

This driver adds support for using the pins as GPIO
offering the possibility to read/set the voltage.

Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
 2018-12-21 10:55:57 +01:00