ARM: dts: r8a7742-iwg21d-q7: Enable SCIFB2 node

Enable SCIFB2 interface on iWave RZ/G1H carrier board.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marian-Cristian Rotariu <marian-cristian.rotariu.rb@bp.renesas.com>
Link: https://lore.kernel.org/r/1590420129-7531-2-git-send-email-prabhakar.mahadev-lad.rj@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
index 1f5c35c..e154e3a 100644 (file)
--- a/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
+++ b/arch/arm/boot/dts/r8a7742-iwg21d-q7.dts
@@ -14,6 +14,7 @@
 
        aliases {
                serial2 = &scifa2;
+               serial4 = &scifb2;
        };
 
        chosen {
@@ -27,6 +28,11 @@
                groups = "scifa2_data_c";
                function = "scifa2";
        };
+
+       scifb2_pins: scifb2 {
+               groups = "scifb2_data", "scifb2_ctrl";
+               function = "scifb2";
+       };
 };
 
 &scifa2 {
@@ -35,3 +41,11 @@
 
        status = "okay";
 };
+
+&scifb2 {
+       pinctrl-0 = <&scifb2_pins>;
+       pinctrl-names = "default";
+
+       uart-has-rtscts;
+       status = "okay";
+};