From patchwork Sun Feb 14 02:16:29 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "majun \(F\)" X-Patchwork-Id: 61904 Delivered-To: patch@linaro.org Received: by 10.112.43.199 with SMTP id y7csp347054lbl; Sat, 13 Feb 2016 18:17:29 -0800 (PST) X-Received: by 10.98.79.28 with SMTP id d28mr13276170pfb.77.1455416249631; Sat, 13 Feb 2016 18:17:29 -0800 (PST) Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id q88si31797458pfa.197.2016.02.13.18.17.29; Sat, 13 Feb 2016 18:17:29 -0800 (PST) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751822AbcBNCRP (ORCPT + 30 others); Sat, 13 Feb 2016 21:17:15 -0500 Received: from szxga01-in.huawei.com ([58.251.152.64]:15878 "EHLO szxga01-in.huawei.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751779AbcBNCRI (ORCPT ); Sat, 13 Feb 2016 21:17:08 -0500 Received: from 172.24.1.48 (EHLO szxeml430-hub.china.huawei.com) ([172.24.1.48]) by szxrg01-dlp.huawei.com (MOS 4.3.7-GA FastPath queued) with ESMTP id DEM05314; Sun, 14 Feb 2016 10:16:47 +0800 (CST) Received: from localhost (10.177.235.245) by szxeml430-hub.china.huawei.com (10.82.67.185) with Microsoft SMTP Server id 14.3.235.1; Sun, 14 Feb 2016 10:16:38 +0800 From: MaJun To: , , , , , , , , , , , , , , Subject: [PATCH 3/5] irqchip: add platform device driver for mbigen device Date: Sun, 14 Feb 2016 10:16:29 +0800 Message-ID: <1455416191-23616-4-git-send-email-majun258@huawei.com> X-Mailer: git-send-email 1.9.5.msysgit.1 In-Reply-To: <1455416191-23616-1-git-send-email-majun258@huawei.com> References: <1455416191-23616-1-git-send-email-majun258@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.235.245] X-CFilter-Loop: Reflected X-Mirapoint-Virus-RAPID-Raw: score=unknown(0), refid=str=0001.0A020205.56BFE38F.00F8, ss=1, re=0.000, recu=0.000, reip=0.000, cl=1, cld=1, fgs=0, ip=0.0.0.0, so=2013-06-18 04:22:30, dmn=2013-03-21 17:37:32 X-Mirapoint-Loop-Id: aa55d97ca26292fe963659a1096674a2 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ma Jun Add the platform device driver for mbigen chip v1. This patch just same as mbigen v2. Signed-off-by: Ma Jun --- drivers/irqchip/Makefile | 2 +- drivers/irqchip/irq-mbigen-v1.c | 76 +++++++++++++++++++++++++++++++++++++++ 2 files changed, 77 insertions(+), 1 deletions(-) create mode 100644 drivers/irqchip/irq-mbigen-v1.c -- 1.7.1 diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile index 83d1fce..3152450 100644 --- a/drivers/irqchip/Makefile +++ b/drivers/irqchip/Makefile @@ -25,7 +25,7 @@ obj-$(CONFIG_REALVIEW_DT) += irq-gic-realview.o obj-$(CONFIG_ARM_GIC_V2M) += irq-gic-v2m.o obj-$(CONFIG_ARM_GIC_V3) += irq-gic-v3.o irq-gic-common.o obj-$(CONFIG_ARM_GIC_V3_ITS) += irq-gic-v3-its.o irq-gic-v3-its-pci-msi.o irq-gic-v3-its-platform-msi.o -obj-$(CONFIG_HISILICON_IRQ_MBIGEN) += irq-mbigen.o +obj-$(CONFIG_HISILICON_IRQ_MBIGEN) += irq-mbigen.o irq-mbigen-v1.o obj-$(CONFIG_ARM_NVIC) += irq-nvic.o obj-$(CONFIG_ARM_VIC) += irq-vic.o obj-$(CONFIG_ATMEL_AIC_IRQ) += irq-atmel-aic-common.o irq-atmel-aic.o diff --git a/drivers/irqchip/irq-mbigen-v1.c b/drivers/irqchip/irq-mbigen-v1.c new file mode 100644 index 0000000..9445658 --- /dev/null +++ b/drivers/irqchip/irq-mbigen-v1.c @@ -0,0 +1,76 @@ +/* + * Copyright (C) 2015 Hisilicon Limited, All Rights Reserved. + * Author: Jun Ma + * Author: Yun Wu + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include +#include +#include + +/** + * struct mbigen_device - holds the information of mbigen device. + * + * @pdev: pointer to the platform device structure of mbigen chip. + * @base: mapped address of this mbigen chip. + */ +struct mbigen_device { + struct platform_device *pdev; + void __iomem *base; +}; + +static int mbigen_device_probe(struct platform_device *pdev) +{ + struct mbigen_device *mgn_chip; + struct resource *res; + + mgn_chip = devm_kzalloc(&pdev->dev, sizeof(*mgn_chip), GFP_KERNEL); + if (!mgn_chip) + return -ENOMEM; + + mgn_chip->pdev = pdev; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + mgn_chip->base = devm_ioremap(&pdev->dev, res->start, resource_size(res)); + if (IS_ERR(mgn_chip->base)) + return PTR_ERR(mgn_chip->base); + + platform_set_drvdata(pdev, mgn_chip); + + return 0; +} + +static const struct of_device_id mbigen_of_match[] = { + { .compatible = "hisilicon,mbigen-v1" }, + { /* END */ } +}; +MODULE_DEVICE_TABLE(of, mbigen_of_match); + +static struct platform_driver mbigen_platform_driver = { + .driver = { + .name = "Hisilicon MBIGEN-V1", + .owner = THIS_MODULE, + .of_match_table = mbigen_of_match, + }, + .probe = mbigen_device_probe, +}; + +module_platform_driver(mbigen_platform_driver); + +MODULE_AUTHOR("Jun Ma "); +MODULE_AUTHOR("Yun Wu "); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("Hisilicon MBI Generator driver");