commit fb0b35d307b7109d245f45be780d15fb368f94c5
author Andrei.Stefanescu@microchip.com <Andrei.Stefanescu@microchip.com> Wed Dec 12 11:57:15 2018 +0000
committer Linus Walleij <linus.walleij@linaro.org> Fri Dec 21 10:55:57 2018 +0100
tree ec7739306ea396e87723d5f6ff557d790d9d9429
parent 6bd925a8b779b262b007d638171c80398cfbc217

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>

drivers/gpio/Makefile

diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index 671c447..f18d345 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -108,6 +108,7 @@
 obj-$(CONFIG_GPIO_RCAR)		+= gpio-rcar.o
 obj-$(CONFIG_GPIO_REG)		+= gpio-reg.o
 obj-$(CONFIG_ARCH_SA1100)	+= gpio-sa1100.o
+obj-$(CONFIG_GPIO_SAMA5D2_PIOBU)	+= gpio-sama5d2-piobu.o
 obj-$(CONFIG_GPIO_SCH)		+= gpio-sch.o
 obj-$(CONFIG_GPIO_SCH311X)	+= gpio-sch311x.o
 obj-$(CONFIG_GPIO_SNPS_CREG)	+= gpio-creg-snps.o