ARM: dts: aspeed: wedge40: Update UART4 pin settings

Enable UART4's NRTS4 (A19) pin because the pin is used for RS485
software emulation.

Signed-off-by: Tao Ren <rentao.bupt@gmail.com>
Link: https://lore.kernel.org/r/20200824182955.7988-3-rentao.bupt@gmail.com
Signed-off-by: Joel Stanley <joel@jms.id.au>

diff --git a/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
index 3f2a48fa77b3526f5d777a83a5ae226a1ab00642..8c426ba2f8ab2accbbff9baf979190411e4dca8a 100644 (file)
--- a/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
+++ b/arch/arm/boot/dts/aspeed-bmc-facebook-wedge40.dts
@@ -71,7 +71,8 @@
        status = "okay";
        pinctrl-names = "default";
        pinctrl-0 = <&pinctrl_txd4_default
-                    &pinctrl_rxd4_default>;
+                    &pinctrl_rxd4_default
+                    &pinctrl_ndts4_default>;
 };
 
 &uart5 {