[PATCH 3/3] arm64: dts: renesas: rzt2h-n2h-evk: Configure SCI0 pins

From: Prabhakar

Date: Thu May 28 2026 - 09:49:19 EST


From: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>

Configure the drive strength, slew rate, and Schmitt trigger settings for
the sci0 pin group shared by the RZ/T2H and RZ/N2H EVK boards.

Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi | 3 +++
1 file changed, 3 insertions(+)

diff --git a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
index e86e6d3aa8a3..ceccddb92d40 100644
--- a/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
+++ b/arch/arm64/boot/dts/renesas/rzt2h-n2h-evk-common.dtsi
@@ -257,6 +257,9 @@ &pinctrl {
sci0_pins: sci0-pins {
pinmux = <RZT2H_PORT_PINMUX(27, 4, 0x14)>,
<RZT2H_PORT_PINMUX(27, 5, 0x14)>;
+ drive-strength-microamp = <9000>;
+ slew-rate = <1>;
+ input-schmitt-disable;
};

#if SD0_EMMC
--
2.54.0