From patchwork Wed Oct 16 02:24:09 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kevin Chen X-Patchwork-Id: 1997755 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=lists.ozlabs.org (client-ip=2404:9400:2:0:216:3eff:fee1:b9f1; helo=lists.ozlabs.org; envelope-from=linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org; receiver=patchwork.ozlabs.org) Received: from lists.ozlabs.org (lists.ozlabs.org [IPv6:2404:9400:2:0:216:3eff:fee1:b9f1]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature ECDSA (secp384r1) server-digest SHA384) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4XSvtb12Jzz1xw2 for ; Wed, 16 Oct 2024 13:24:38 +1100 (AEDT) Received: from boromir.ozlabs.org (localhost [IPv6:::1]) by lists.ozlabs.org (Postfix) with ESMTP id 4XSvtZ1mkzz3bp1 for ; Wed, 16 Oct 2024 13:24:38 +1100 (AEDT) X-Original-To: linux-aspeed@lists.ozlabs.org Delivered-To: linux-aspeed@lists.ozlabs.org Authentication-Results: lists.ozlabs.org; arc=none smtp.remote-ip=211.20.114.72 ARC-Seal: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1729045476; cv=none; b=lO2aBrRoSkLCJCxrW2/oQdKs+IQ7YsdHvZUrEWQH2IW1Rz9F4Yerc8PT1ARU/vexmoP7FWdZ1PZ2qwOMT2s3EDQUpqGy051dZu88Io98Z3bt+WLe1ZVHR532geX/JJn6yiezwnXeHmlL7chth3t8M7fQbqqUFw/AFpBck6cXfOtIhAtimCMCViNT/fz3J2FcENDNhXx+u072fml4agptjFVZY7QmOCWJ/vNJhNmTe4TeoUvqsdauaqNbNCuNVfAIxqg2BFKz8YcOVu8fd/q9AuTu+d39JzmEVSlQQkxXUMUjp00Yjx3iqYyx9cw3SmGrODFMDWHd5H0v8QljYdpnig== ARC-Message-Signature: i=1; a=rsa-sha256; d=lists.ozlabs.org; s=201707; t=1729045476; c=relaxed/relaxed; bh=RKCduebel3psXC9cLk2EARWPXEKoPbQEwz5XdUrtyUs=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=KJ26loiCXx4qlvqVDNy6crcTI/2kwcx3PvPMCrK0+kBYAnSrzcucZ0BrFvsuEzEK8MBOKOpyYqtcVSpjlgEN0iJKWtmDuZWjIPMHSEyvgFieLsKghzKjF6S5yAvLoGLz4S0exFUw7JJvC0JnquDdoMMl6876D9w2hsj0YHRa6HVPEsFneENffyQ61QJtplgoN1zIp12ongzO6wIqCwzHFLmh50ZdY6SZxnqeOKN7uQ3nCZccVZu0A7OLb99V05klEdSvP4Uw86BOrFXlBTW3r5c7oyFj1VXjO0hUikrdMqPm+02iwOCY4TiEh2e2sN17mSVMbNi+Xs6oypLhNIyCvA== ARC-Authentication-Results: i=1; lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com; spf=pass (client-ip=211.20.114.72; helo=twmbx01.aspeed.com; envelope-from=kevin_chen@aspeedtech.com; receiver=lists.ozlabs.org) smtp.mailfrom=aspeedtech.com Authentication-Results: lists.ozlabs.org; dmarc=pass (p=quarantine dis=none) header.from=aspeedtech.com Authentication-Results: lists.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=aspeedtech.com (client-ip=211.20.114.72; helo=twmbx01.aspeed.com; envelope-from=kevin_chen@aspeedtech.com; receiver=lists.ozlabs.org) Received: from TWMBX01.aspeed.com (mail.aspeedtech.com [211.20.114.72]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 4XSvtW70Pvz2xnS for ; Wed, 16 Oct 2024 13:24:35 +1100 (AEDT) Received: from TWMBX01.aspeed.com (192.168.0.62) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1258.12; Wed, 16 Oct 2024 10:24:14 +0800 Received: from localhost.localdomain (192.168.10.10) by TWMBX01.aspeed.com (192.168.0.62) with Microsoft SMTP Server id 15.2.1258.12 via Frontend Transport; Wed, 16 Oct 2024 10:24:14 +0800 From: Kevin Chen To: , , , , , , , , , , Subject: [PATCH v4 1/2] dt-bindings: interrupt-controller: Add support for ASPEED AST27XX INTC Date: Wed, 16 Oct 2024 10:24:09 +0800 Message-ID: <20241016022410.1154574-2-kevin_chen@aspeedtech.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20241016022410.1154574-1-kevin_chen@aspeedtech.com> References: <20241016022410.1154574-1-kevin_chen@aspeedtech.com> MIME-Version: 1.0 X-Spam-Status: No, score=0.0 required=5.0 tests=SPF_HELO_FAIL,SPF_PASS autolearn=disabled version=4.0.0 X-Spam-Checker-Version: SpamAssassin 4.0.0 (2022-12-13) on lists.ozlabs.org X-BeenThere: linux-aspeed@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux ASPEED SoC development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-aspeed-bounces+incoming=patchwork.ozlabs.org@lists.ozlabs.org Sender: "Linux-aspeed" The ASPEED AST27XX interrupt controller(INTC) contains second level and third level interrupt controller. INTC0: The second level INTC, which used to assert GIC if interrupt in INTC1 asserted. INTC1_x: The third level INTC, which used to assert INTC0 if interrupt in modules of INTC asserted. The relationship is like the following: +-----+ +-------+ +---------+---module0 | GIC |---| INTC0 |--+--| INTC1_0 |---module1 | | | | | | |---... +-----+ +-------+ | +---------+---module31 | | +---------+---module0 +---| INTC1_1 |---module1 | | |---... | +---------+---module31 ... | +---------+---module0 +---| INTC1_5 |---module1 | |---... +---------+---module31 Signed-off-by: Kevin Chen Reviewed-by: Rob Herring (Arm) --- .../aspeed,ast2700-intc.yaml | 86 +++++++++++++++++++ 1 file changed, 86 insertions(+) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2700-intc.yaml diff --git a/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2700-intc.yaml b/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2700-intc.yaml new file mode 100644 index 000000000000..55636d06a674 --- /dev/null +++ b/Documentation/devicetree/bindings/interrupt-controller/aspeed,ast2700-intc.yaml @@ -0,0 +1,86 @@ +# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/interrupt-controller/aspeed,ast2700-intc.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Aspeed AST2700 Interrupt Controller + +description: + This interrupt controller hardware is second level interrupt controller that + is hooked to a parent interrupt controller. It's useful to combine multiple + interrupt sources into 1 interrupt to parent interrupt controller. + +maintainers: + - Kevin Chen + +properties: + compatible: + enum: + - aspeed,ast2700-intc-ic + + reg: + maxItems: 1 + + interrupt-controller: true + + '#interrupt-cells': + const: 2 + description: + The first cell is the IRQ number, the second cell is the trigger + type as defined in interrupt.txt in this directory. + + interrupts: + maxItems: 6 + description: | + Depend to which INTC0 or INTC1 used. + INTC0 and INTC1 are two kinds of interrupt controller with enable and raw + status registers for use. + INTC0 is used to assert GIC if interrupt in INTC1 asserted. + INTC1 is used to assert INTC0 if interrupt of modules asserted. + +-----+ +-------+ +---------+---module0 + | GIC |---| INTC0 |--+--| INTC1_0 |---module2 + | | | | | | |---... + +-----+ +-------+ | +---------+---module31 + | + | +---------+---module0 + +---| INTC1_1 |---module2 + | | |---... + | +---------+---module31 + ... + | +---------+---module0 + +---| INTC1_5 |---module2 + | |---... + +---------+---module31 + + +required: + - compatible + - reg + - interrupt-controller + - '#interrupt-cells' + - interrupts + +additionalProperties: false + +examples: + - | + #include + + bus { + #address-cells = <2>; + #size-cells = <2>; + + interrupt-controller@12101b00 { + compatible = "aspeed,ast2700-intc-ic"; + reg = <0 0x12101b00 0 0x10>; + #interrupt-cells = <2>; + interrupt-controller; + interrupts = , + , + , + , + , + ; + }; + };