drivers: serial: Add SiFive UART driver
This patch adds SiFive UART driver. The driver is 100% DM driver
and it determines input clock using clk framework.
Signed-off-by: Anup Patel <anup@brainfault.org>
Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 2f8d065..06ee306 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -67,6 +67,7 @@
obj-$(CONFIG_OWL_SERIAL) += serial_owl.o
obj-$(CONFIG_OMAP_SERIAL) += serial_omap.o
obj-$(CONFIG_MTK_SERIAL) += serial_mtk.o
+obj-$(CONFIG_SIFIVE_SERIAL) += serial_sifive.o
ifndef CONFIG_SPL_BUILD
obj-$(CONFIG_USB_TTY) += usbtty.o