From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id E6D65C3ABC9 for ; Tue, 13 May 2025 09:52:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:CC:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=D+RvNrK4H12JwNgqCdnXsExLvcZWdQua9jufb9OtkDM=; b=1FhF2xzWXy3UGu tEgLAwgl+wRG0LfgSbyo1fZIPj5EiXnkwn5RhFXcuHgKJoKTnem8EHG2jYjEAQ7hxIHV6mVNVzQXo w5aLoBUQ8E3REbfc+3a9YwIHiD1T6G3ytGM+5mnEKPym/TCZepBFZSJwBd0GLogAQdyHubSDrFjlM CMPYslSxXNadYRLYasHO8wV7NP3L4Vdx8Z4AuJoWMImqBibSB4mjNc2OqHez7UAHRmAB97aNievit m9kY3AfWgAkRcvBNaM5pVsMjPlDtt7EsewRJNywXBjrvb2dd91/8BQtV8OCiDdWhYZq7NoXrvCXaV vKgbCv04CAGAv4eHo+Vg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uEmJ3-0000000ByEx-0YMY; Tue, 13 May 2025 09:52:13 +0000 Received: from 60-248-80-70.hinet-ip.hinet.net ([60.248.80.70] helo=Atcsqr.andestech.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uEmHS-0000000Bxsj-3Zry for linux-riscv@lists.infradead.org; Tue, 13 May 2025 09:50:36 +0000 Received: from mail.andestech.com (ATCPCS31.andestech.com [10.0.1.89]) by Atcsqr.andestech.com with ESMTPS id 54D9nnDD044857 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Tue, 13 May 2025 17:49:49 +0800 (+08) (envelope-from ben717@andestech.com) Received: from swlinux02.andestech.com (10.0.15.183) by ATCPCS31.andestech.com (10.0.1.89) with Microsoft SMTP Server id 14.3.498.0; Tue, 13 May 2025 17:49:49 +0800 From: Ben Zong-You Xie To: CC: , , , , , , , , , , , , , , Ben Zong-You Xie , Conor Dooley Subject: [PATCH v3 4/9] dt-bindings: interrupt-controller: add Andes machine-level software interrupt controller Date: Tue, 13 May 2025 17:49:28 +0800 Message-ID: <20250513094933.1631493-5-ben717@andestech.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250513094933.1631493-1-ben717@andestech.com> References: <20250513094933.1631493-1-ben717@andestech.com> MIME-Version: 1.0 X-Originating-IP: [10.0.15.183] X-DKIM-Results: atcpcs31.andestech.com; dkim=none; X-DNSRBL: X-MAIL: Atcsqr.andestech.com 54D9nnDD044857 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250513_025035_242523_47456E2D X-CRM114-Status: GOOD ( 14.22 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add the DT binding documentation for Andes machine-level software interrupt controller. In the Andes platform such as QiLai SoC, the PLIC module is instantiated a second time with all interrupt sources tied to zero as the software interrupt controller (PLICSW). PLICSW can generate machine-level software interrupts through programming its registers. Acked-by: Conor Dooley Signed-off-by: Ben Zong-You Xie --- .../andestech,plicsw.yaml | 54 +++++++++++++++++++ MAINTAINERS | 1 + 2 files changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/andestech,plicsw.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/andestech,plicsw.yaml b/Documentation/devicetree/bindings/interrupt-controller/andestech,plicsw.yaml new file mode 100644 index 000000000000..eb2eb611ac09 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/andestech,plicsw.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/andestech,plicsw.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Andes machine-level software interrupt controller + +description: + In the Andes platform such as QiLai SoC, the PLIC module is instantiated a + second time with all interrupt sources tied to zero as the software interrupt + controller (PLIC_SW). PLIC_SW directly connects to the machine-mode + inter-processor interrupt lines of CPUs, so RISC-V per-CPU local interrupt + controller is the parent interrupt controller for PLIC_SW. PLIC_SW can + generate machine-mode inter-processor interrupts through programming its + registers. + +maintainers: + - Ben Zong-You Xie + +properties: + compatible: + items: + - enum: + - andestech,qilai-plicsw + - const: andestech,plicsw + + reg: + maxItems: 1 + + interrupts-extended: + minItems: 1 + maxItems: 15872 + description: + Specifies which harts are connected to the PLIC_SW. Each item must points + to a riscv,cpu-intc node, which has a riscv cpu node as parent. + +additionalProperties: false + +required: + - compatible + - reg + - interrupts-extended + +examples: + - | + interrupt-controller@400000 { + compatible = "andestech,qilai-plicsw", "andestech,plicsw"; + reg = <0x400000 0x400000>; + interrupts-extended = <&cpu0intc 3>, + <&cpu1intc 3>, + <&cpu2intc 3>, + <&cpu3intc 3>; + }; diff --git a/MAINTAINERS b/MAINTAINERS index a0ccac1cca29..645d7137cb07 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -20728,6 +20728,7 @@ F: include/linux/irqchip/riscv-imsic.h RISC-V ANDES SoC Support M: Ben Zong-You Xie S: Maintained +F: Documentation/devicetree/bindings/interrupt-controller/andestech,plicsw.yaml F: Documentation/devicetree/bindings/riscv/andes.yaml RISC-V ARCHITECTURE -- 2.34.1 _______________________________________________ linux-riscv mailing list linux-riscv@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-riscv