From: Biju Das <biju.das.jz@bp.renesas.com>
Date: Sun, 17 Aug 2025 14:51:31 +0000 (+0100)
Subject: arm64: dts: renesas: r9a09g047e57-smarc: Use Schmitt input for NMI function
X-Git-Tag: v6.18-rc1~147^2~30^2~9
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=4b9e0d8aa96c92be0073825344b661afc49242aa;p=thirdparty%2Fkernel%2Flinux.git

arm64: dts: renesas: r9a09g047e57-smarc: Use Schmitt input for NMI function

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@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20250817145135.166591-3-biju.das.jz@bp.renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---

diff --git a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
index 9f6716fa10860..08e814c03fa85 100644
--- a/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
+++ b/arch/arm64/boot/dts/renesas/r9a09g047e57-smarc.dts
@@ -132,6 +132,7 @@
 
 	nmi_pins: nmi {
 		pinmux = <RZG3E_PORT_PINMUX(S, 0, 0)>; /* NMI */
+		input-schmitt-enable;
 	};
 
 	scif_pins: scif {