From nobody Sat Feb 7 09:42:30 2026 Received: from smtpout-02.galae.net (smtpout-02.galae.net [185.246.84.56]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 16F0E389E0E; Wed, 14 Jan 2026 09:41:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=185.246.84.56 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768383674; cv=none; b=QnRhHWz1tqv3j7onivEZWq+3A3evb1+JmfiLNn84hm+UxLcC6jRZ/s9vM/yYppBGZJ4PusuWx6hMOy+GKKaO4p8d/VjYxMirj9hQhh3/DbyMI/5M0OI1VDAZ8iNsizpKtgah8m6m+NMDOaJL+JMul7hF2I9Io41q7dGedNCAjbk= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1768383674; c=relaxed/simple; bh=F1xTHCI1Ed7nYG/rtTMfvA6CqjcOQAgGmvhyIuFP8qM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=gGFVDmeVemWPgkT4dRTxNlK3Vh1rmUhppbxL87WscXQBoJjTU4eASnEkfgPYWzhn4kThk1tmrJ4FM8lHddeBkWDFZJLuR9a68ZA1aVqJLWjADeBoxWzB7fHaUbMMxpKc3mNm0e4Vw2i9U3bMAOAU/W+WvqbScqWo0Zqo1u4iO7U= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com; spf=pass smtp.mailfrom=bootlin.com; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b=dL9Srvus; arc=none smtp.client-ip=185.246.84.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=bootlin.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=bootlin.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=bootlin.com header.i=@bootlin.com header.b="dL9Srvus" Received: from smtpout-01.galae.net (smtpout-01.galae.net [212.83.139.233]) by smtpout-02.galae.net (Postfix) with ESMTPS id AAB231A2867; Wed, 14 Jan 2026 09:41:01 +0000 (UTC) Received: from mail.galae.net (mail.galae.net [212.83.136.155]) by smtpout-01.galae.net (Postfix) with ESMTPS id 7E3736074A; Wed, 14 Jan 2026 09:41:01 +0000 (UTC) Received: from [127.0.0.1] (localhost [127.0.0.1]) by localhost (Mailerdaemon) with ESMTPSA id 05EF7103C89BA; Wed, 14 Jan 2026 10:40:57 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=bootlin.com; s=dkim; t=1768383660; h=from:subject:date:message-id:to:cc:mime-version: content-transfer-encoding:in-reply-to:references; bh=2VCn7I4gCTMmmQjjA78kjMlv2YeMBURM51/gLVjOYg4=; b=dL9SrvusuP1j1RF/8KYISJpoNxBUgLzS3o5IRBY9AFFXsu3DkHQVbAJ6faBxfEAXKGO//w l34PCEDHF4qyluUvyJhgsD2oYnuyixj4gVxCg/Lmjoax5nTqf74XPEYLIUfV/zl9Mz1fbp 76C4IGqBK9N8vMNlWwXpAlVBCQIcAtveU0Rm97l+7mt5wVU+h4rI5iF0UIwlhAcQRQsJ7Q 5XmZRZAaQxxBQuL919DJS09BIeBgsqUhEhrqhQDCLZgcjyegr0664ymnW2+zK+3TR0UIbW nIimBTIbQC7uzB5x/RJ2rWg2SI2jgq22bn0UTO7LuYFzBtlgk5zOC3mzR6/blQ== From: "Herve Codina (Schneider Electric)" To: Thomas Gleixner , Wolfram Sang , Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Geert Uytterhoeven , Magnus Damm , Saravana Kannan , Herve Codina Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Pascal Eberhard , Miquel Raynal , Thomas Petazzoni , Bartosz Golaszewski Subject: [PATCH v8 8/8] ARM: dts: r9a06g032: Add support for GPIO interrupts Date: Wed, 14 Jan 2026 10:39:37 +0100 Message-ID: <20260114093938.1089936-9-herve.codina@bootlin.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260114093938.1089936-1-herve.codina@bootlin.com> References: <20260114093938.1089936-1-herve.codina@bootlin.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Last-TLS-Session-Version: TLSv1.3 Content-Type: text/plain; charset="utf-8" In the RZ/N1 SoC, the GPIO interrupts are multiplexed using the GPIO Interrupt Multiplexer. Add the multiplexer node and connect GPIO interrupt lines to the multiplexer. The interrupt-map available in the multiplexer node has to be updated in dts files depending on the GPIO usage. Indeed, the usage of an interrupt for a GPIO is board dependent. Up to 8 GPIOs can be used as an interrupt line (one per multiplexer output interrupt). Signed-off-by: Herve Codina (Schneider Electric) Reviewed-by: Bartosz Golaszewski Reviewed-by: Linus Walleij Reviewed-by: Wolfram Sang Tested-by: Wolfram Sang --- arch/arm/boot/dts/renesas/r9a06g032.dtsi | 41 ++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/arch/arm/boot/dts/renesas/r9a06g032.dtsi b/arch/arm/boot/dts/r= enesas/r9a06g032.dtsi index 06d35a83f6e1..b8e03c529007 100644 --- a/arch/arm/boot/dts/renesas/r9a06g032.dtsi +++ b/arch/arm/boot/dts/renesas/r9a06g032.dtsi @@ -543,6 +543,14 @@ gpio0a: gpio-port@0 { gpio-controller; #gpio-cells =3D <2>; snps,nr-gpios =3D <32>; + + interrupt-controller; + interrupt-parent =3D <&gpioirqmux>; + interrupts =3D <0 1 2 3 4 5 6 7 + 8 9 10 11 12 13 14 15 + 16 17 18 19 20 21 22 23 + 24 25 26 27 28 29 30 31>; + #interrupt-cells =3D <2>; }; =20 /* GPIO0b[0..1] connected to pins GPIO1..2 */ @@ -584,6 +592,14 @@ gpio1a: gpio-port@0 { gpio-controller; #gpio-cells =3D <2>; snps,nr-gpios =3D <32>; + + interrupt-controller; + interrupt-parent =3D <&gpioirqmux>; + interrupts =3D <32 33 34 35 36 37 38 39 + 40 41 42 43 44 45 46 47 + 48 49 50 51 52 53 54 55 + 56 57 58 59 60 61 62 63>; + #interrupt-cells =3D <2>; }; =20 /* GPIO1b[0..1] connected to pins GPIO55..56 */ @@ -615,6 +631,14 @@ gpio2a: gpio-port@0 { gpio-controller; #gpio-cells =3D <2>; snps,nr-gpios =3D <32>; + + interrupt-controller; + interrupt-parent =3D <&gpioirqmux>; + interrupts =3D <64 65 66 67 68 69 70 71 + 72 73 74 75 76 77 78 79 + 80 81 82 83 84 85 86 87 + 88 89 90 91 92 93 94 95>; + #interrupt-cells =3D <2>; }; =20 /* GPIO2b[0..9] connected to pins GPIO160..169 */ @@ -627,6 +651,23 @@ gpio2b: gpio-port@1 { }; }; =20 + gpioirqmux: interrupt-controller@51000480 { + compatible =3D "renesas,r9a06g032-gpioirqmux", "renesas,rzn1-gpioirqmux= "; + reg =3D <0x51000480 0x20>; + #interrupt-cells =3D <1>; + #address-cells =3D <0>; + interrupt-map-mask =3D <0x7f>; + + /* + * Example mapping entry. Board DTs need to overwrite + * 'interrupt-map' with their specific mapping. Check + * the irqmux binding documentation for details. + */ + interrupt-map =3D <0 &gic GIC_SPI 103 IRQ_TYPE_LEVEL_HIGH>; + + status =3D "disabled"; + }; + can0: can@52104000 { compatible =3D "renesas,r9a06g032-sja1000", "renesas,rzn1-sja1000"; reg =3D <0x52104000 0x800>; --=20 2.52.0