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gpio: imx-scu: add imx-scu GPIO driver

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The SCU firmware on i.MX8 platforms provides a set of APIs to
control the GPIO PINs on the SCU domain. This patch implements the
standard GPIO driver interface to access those PINs on the
SCU domain over the SCU APIs.

Signed-off-by: Shenwei Wang <shenwei.wang@nxp.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Bartosz Golaszewski <brgl@bgdev.pl>
This commit is contained in:
Shenwei Wang
2022-08-12 08:30:12 -05:00
committed by Bartosz Golaszewski
parent 3bdd1afa3e
commit 0bd459ddf9
3 changed files with 144 additions and 0 deletions
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drivers/gpio/Makefile
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@@ -70,6 +70,7 @@ obj-$(CONFIG_HTC_EGPIO) += gpio-htc-egpio.o
obj-$(CONFIG_GPIO_I8255) += gpio-i8255.o
obj-$(CONFIG_GPIO_ICH) += gpio-ich.o
obj-$(CONFIG_GPIO_IDT3243X) += gpio-idt3243x.o
obj-$(CONFIG_GPIO_IMX_SCU) += gpio-imx-scu.o
obj-$(CONFIG_GPIO_IOP) += gpio-iop.o
obj-$(CONFIG_GPIO_IT87) += gpio-it87.o
obj-$(CONFIG_GPIO_IXP4XX) += gpio-ixp4xx.o