[PATCH 2/2] arm64: dts: renesas: r9a09g047e57-smarc: Use schmitt input for NMI function
From: Biju
Date: Sun Aug 17 2025 - 10:52:04 EST
From: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
The latest RZ/G3E pin control document (rev 1.2) recommends using Schmitt
input when PS0 pin used as NMI function. Enable Schmitt input for PS0 pin.
Signed-off-by: Biju Das <biju.das.jz@xxxxxxxxxxxxxx>
---
arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
index 9f6716fa1086..08e814c03fa8 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
@@ -132,6 +132,7 @@ i2c0_pins: i2c0 {
nmi_pins: nmi {
pinmux = <RZG3E_PORT_PINMUX(S, 0, 0)>; /* NMI */
+ input-schmitt-enable;
};
scif_pins: scif {
--
2.43.0