From nobody Thu Apr 2 17:18:54 2026 Received: from cstnet.cn (smtp21.cstnet.cn [159.226.251.21]) (using TLSv1.2 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B24D5279DA6; Sat, 21 Mar 2026 09:20:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=159.226.251.21 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774084853; cv=none; b=Z4oxUiH8L8CPoMphlvnB9YFImTdAePI01gRO2o4Js19PL9miZ4vGfPw5usa52+6mi2SwEy//Yrjha7ijl+r2aNZmIwMnMAIpAeSySUqBnWbpOIO2R8q+Ccmtncy5qwexV36rDw7NNwcJzW6HlckbMlDaYwvODgeWAZQtvP4KlZE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774084853; c=relaxed/simple; bh=eF44SUi5zfXz7DKjdWLusMD+wNgC82cI6OdzfwtX46E=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=WwZ9Ccm3Oga+BM9Ipzi/pn9jy9bnwEh+VR0buecNErkB5HFpM8NUntqM7R32t7LNUn9bIU+xV3R2CvVKBpPjoPgThz0I1pSTujvGDTgg5wPtaSFtBH8x/7jJRrpOy3+hBOAVz+88wPrcYLPqJ8YTJXOcTIbxMv5X3mkZPjDTkUk= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn; spf=pass smtp.mailfrom=iscas.ac.cn; arc=none smtp.client-ip=159.226.251.21 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=iscas.ac.cn Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=iscas.ac.cn Received: from edelgard.fodlan.icenowy.me (unknown [112.94.102.202]) by APP-01 (Coremail) with SMTP id qwCowAA33mnjYr5p3aWyCg--.465S5; Sat, 21 Mar 2026 17:20:40 +0800 (CST) From: Icenowy Zheng To: Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Huacai Chen , WANG Xuerui , Thomas Bogendoerfer , Jiaxun Yang Cc: Icenowy Zheng , Yao Zi , linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, loongarch@lists.linux.dev, linux-mips@vger.kernel.org, Icenowy Zheng Subject: [PATCH v4 3/6] dt-bindings: interrupt-controller: add LS7A PCH LPC Date: Sat, 21 Mar 2026 17:20:29 +0800 Message-ID: <20260321092032.3502701-4-zhengxingda@iscas.ac.cn> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260321092032.3502701-1-zhengxingda@iscas.ac.cn> References: <20260321092032.3502701-1-zhengxingda@iscas.ac.cn> 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-CM-TRANSID: qwCowAA33mnjYr5p3aWyCg--.465S5 X-Coremail-Antispam: 1UD129KBjvJXoW7tr15XrW7Ar47Wr17Kw4rXwb_yoW8ZFyrpF 45C3ZxWF40qF13C39Yga40kFnxZr95ArnxCws7tw47Gr9Fga45X3yakF95Xa1fGr9rXay7 ZFyF93W0gw17JF7anT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUmY14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UM2 8EF7xvwVC2z280aVAFwI0_Cr1j6rxdM28EF7xvwVC2z280aVCY1x0267AKxVW0oVCq3wAS 0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2 IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0 Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwACI402YVCY1x02628vn2kIc2 xKxwCY1x0262kKe7AKxVWUtVW8ZwCF04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWU JVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67 kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7IYx2IY67AKxVWUJVWUCwCI42IY 6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr1UMIIF0xvE42xK8VAvwI8IcIk0rVWUJVWUCwCI42 IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r4j6r4UJbIYCTnIWIev Ja73UjIFyTuYvjfUO_MaUUUUU X-CM-SenderInfo: x2kh0wp0lqwv3d6l2u1dvotugofq/ Content-Type: text/plain; charset="utf-8" Loongson 7A series PCH contains an LPC controller with an interrupt controller. Add the device tree binding for the interrupt controller. Signed-off-by: Icenowy Zheng Reviewed-by: Jiaxun Yang Reviewed-by: Rob Herring (Arm) --- .../loongson,pch-lpc.yaml | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/= loongson,pch-lpc.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/loongso= n,pch-lpc.yaml b/Documentation/devicetree/bindings/interrupt-controller/loo= ngson,pch-lpc.yaml new file mode 100644 index 0000000000000..ff2a425b6f0b8 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/loongson,pch-l= pc.yaml @@ -0,0 +1,52 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/loongson,pch-lpc.y= aml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Loongson PCH LPC Controller + +maintainers: + - Jiaxun Yang + +description: + This interrupt controller is found in the Loongson LS7A family of PCH for + accepting interrupts sent by LPC-connected peripherals and signalling PIC + via a single interrupt line when interrupts are available. + +properties: + compatible: + const: loongson,ls7a-lpc + + reg: + maxItems: 1 + + interrupt-controller: true + + interrupts: + maxItems: 1 + + '#interrupt-cells': + const: 2 + +required: + - compatible + - reg + - interrupt-controller + - interrupts + - '#interrupt-cells' + +additionalProperties: false + +examples: + - | + #include + lpc: interrupt-controller@10002000 { + compatible =3D "loongson,ls7a-lpc"; + reg =3D <0x10002000 0x400>; + interrupt-controller; + #interrupt-cells =3D <2>; + interrupt-parent =3D <&pic>; + interrupts =3D <19 IRQ_TYPE_LEVEL_HIGH>; + }; +... --=20 2.52.0