arm64: dts: renesas: ulcb-kf: Remove flow control for SCIF1

BugLink: https://bugs.launchpad.net/bugs/2034469
[ Upstream commit 1a2c4e5635177939a088d22fa35c6a7032725663 ]

The schematics are misleading, the flow control is for HSCIF1. We need
SCIF1 for GNSS/GPS which does not use flow control.

Fixes: c6c816e22bc8 ("arm64: dts: ulcb-kf: enable SCIF1")
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230525084823.4195-2-wsa+renesas@sang-engineering.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Kamal Mostafa <kamal@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

diff --git a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
index 408871c2859d144dc23904723b4317b2eea3695f..588b14b66b6fb6d4466980f32cd4866881c3c994 100644 (file)
--- a/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb-kf.dtsi
@@ -393,7 +393,7 @@
        };
 
        scif1_pins: scif1 {
-               groups = "scif1_data_b", "scif1_ctrl";
+               groups = "scif1_data_b";
                function = "scif1";
        };
 
@@ -447,7 +447,6 @@
 &scif1 {
        pinctrl-0 = <&scif1_pins>;
        pinctrl-names = "default";
-       uart-has-rtscts;
 
        status = "okay";
 };