From patchwork Tue Sep 15 08:43:05 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhen Lei X-Patchwork-Id: 303984 Delivered-To: patch@linaro.org Received: by 2002:a92:5ad1:0:0:0:0:0 with SMTP id b78csp2338401ilg; Tue, 15 Sep 2020 01:44:10 -0700 (PDT) X-Google-Smtp-Source: ABdhPJz+RHv12jd6/QBbt/MQRsiucbWw6llG1PfcsI5HWcN8SyHt/RMdyAqDFYGtf0HrI7xAeCEL X-Received: by 2002:aa7:d891:: with SMTP id u17mr16668157edq.188.1600159450673; Tue, 15 Sep 2020 01:44:10 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1600159450; cv=none; d=google.com; s=arc-20160816; b=VGobAFFhIff9kNRomVCPiTQqIc+RDw79JGn45wKm/gli+RPj7277LfKg0WcC7fOJY0 dBj6YfuWYtJos7W2/THhrz5pkZouUbc8YwMAq9eRg82QJmPCP7sz09xpqceBXJ6Oj+pC nHmLZXjLlPSoevB3Pf8BleOrITG30uPRRYKWa42cdfbBZg3PNtBL0zxnVK3JjRl30HLr ttkH7m7P+296CjdUUVfHrnF9uw5lcjQA5HMVzbsZGE48Frqz6j2PIqEW/8OSQy/epQUZ SpeDtT69TnprCpMCE4Lwhrp+qXLna7Y0PUs5qxba4T9zcTrsF1N/RRUuxvU40jjt4enQ 0/+w== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:content-transfer-encoding:mime-version :references:in-reply-to:message-id:date:subject:cc:to:from; bh=qUa/Kjd1vWY85qZkOA44kmv3cSG2ul4HwF89NXfszuA=; b=V6QmHrG/PyYJuhr20F8QwaaOwevzLZFxcMB3+esz6KSfaHpF+VK3bcU0rPsc5l0/FH 6IUQAMFpGMBFwCzQCsCzKFbtDkiYKvRvC4cq8JmwQ6L3uLirGJPE5gWYjure7BpRdkFI TPbRVCS9iWqDdxOZ3z4pq8/w8idfbRdayh8gkzN67CXkQ5blAG3+slMBqC8aj669fz9v CqZ4q1h5UPvkEcTNQKoHWYBxzDqDzDovEuz1+DkEZLLZLXtDmP/IVuWfHiuKMwWNBaMq lVJAOiER9JeLiAKRshx0jUmHHD8Dz8lIypzQQpOngqaxTYWHEd5M+w6TDPXf3V/eO8WN dcBA== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id k16si8892428ejb.210.2020.09.15.01.44.10; Tue, 15 Sep 2020 01:44:10 -0700 (PDT) Received-SPF: pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; spf=pass (google.com: domain of devicetree-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=devicetree-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726410AbgIOIns (ORCPT + 6 others); Tue, 15 Sep 2020 04:43:48 -0400 Received: from szxga06-in.huawei.com ([45.249.212.32]:56550 "EHLO huawei.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1726403AbgIOInp (ORCPT ); Tue, 15 Sep 2020 04:43:45 -0400 Received: from DGGEMS412-HUB.china.huawei.com (unknown [172.30.72.59]) by Forcepoint Email with ESMTP id 5EE56B2ACE696567120D; Tue, 15 Sep 2020 16:43:40 +0800 (CST) Received: from thunder-town.china.huawei.com (10.174.177.253) by DGGEMS412-HUB.china.huawei.com (10.3.19.212) with Microsoft SMTP Server id 14.3.487.0; Tue, 15 Sep 2020 16:43:32 +0800 From: Zhen Lei To: Thomas Gleixner , Jason Cooper , Marc Zyngier , Rob Herring , Guo Ren , devicetree , linux-csky , linux-kernel CC: Zhen Lei , Sebastian Hesselbarth , Haoyu Lv , Libin , Kefeng Wang , "Jianguo Chen" Subject: [PATCH v4 4/4] dt-bindings: dw-apb-ictl: support hierarchy irq domain Date: Tue, 15 Sep 2020 16:43:05 +0800 Message-ID: <20200915084305.3085-5-thunder.leizhen@huawei.com> X-Mailer: git-send-email 2.26.0.windows.1 In-Reply-To: <20200915084305.3085-1-thunder.leizhen@huawei.com> References: <20200915084305.3085-1-thunder.leizhen@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.177.253] X-CFilter-Loop: Reflected Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add support to use dw-apb-ictl as primary interrupt controller. Signed-off-by: Zhen Lei --- .../bindings/interrupt-controller/snps,dw-apb-ictl.txt | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) -- 1.8.3 diff --git a/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt b/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt index 086ff08322db94f..2db59df9408f4c6 100644 --- a/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt +++ b/Documentation/devicetree/bindings/interrupt-controller/snps,dw-apb-ictl.txt @@ -2,7 +2,8 @@ Synopsys DesignWare APB interrupt controller (dw_apb_ictl) Synopsys DesignWare provides interrupt controller IP for APB known as dw_apb_ictl. The IP is used as secondary interrupt controller in some SoCs with -APB bus, e.g. Marvell Armada 1500. +APB bus, e.g. Marvell Armada 1500. It can also be used as primary interrupt +controller in some SoCs, e.g. Hisilicon SD5203. Required properties: - compatible: shall be "snps,dw-apb-ictl" @@ -10,6 +11,8 @@ Required properties: region starting with ENABLE_LOW register - interrupt-controller: identifies the node as an interrupt controller - #interrupt-cells: number of cells to encode an interrupt-specifier, shall be 1 + +Additional required property when it's used as secondary interrupt controller: - interrupts: interrupt reference to primary interrupt controller The interrupt sources map to the corresponding bits in the interrupt @@ -21,6 +24,7 @@ registers, i.e. - (optional) fast interrupts start at 64. Example: + /* dw_apb_ictl is used as secondary interrupt controller */ aic: interrupt-controller@3000 { compatible = "snps,dw-apb-ictl"; reg = <0x3000 0xc00>; @@ -29,3 +33,11 @@ Example: interrupt-parent = <&gic>; interrupts = ; }; + + /* dw_apb_ictl is used as primary interrupt controller */ + vic: interrupt-controller@10130000 { + compatible = "snps,dw-apb-ictl"; + reg = <0x10130000 0x1000>; + interrupt-controller; + #interrupt-cells = <1>; + };