gpio: Add Aspeed SGPIO driver
The Aspeed SGPIO driver supports the SGPIO controllers found in the
AST2400, AST2500 and AST2600 BMC SoCs. The implementation is a cut-down
copy of the upstream Linux kernel driver, adapted for u-boot.
Signed-off-by: Billy Tsai <billy_tsai@aspeedtech.com>
diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index fe81b6b..3f882c0 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -14,6 +14,7 @@
obj-$(CONFIG_ASPEED_GPIO) += gpio-aspeed.o
obj-$(CONFIG_ASPEED_G7_GPIO) += gpio-aspeed-g7.o
+obj-$(CONFIG_ASPEED_SGPIO) += gpio-aspeed-sgpio.o
obj-$(CONFIG_AT91_GPIO) += at91_gpio.o
obj-$(CONFIG_ATMEL_PIO4) += atmel_pio4.o
obj-$(CONFIG_BCM6345_GPIO) += bcm6345_gpio.o