From patchwork Fri Dec 3 12:34:11 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yang Li X-Patchwork-Id: 74115 X-Patchwork-Delegate: galak@kernel.crashing.org Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from bilbo.ozlabs.org (localhost [127.0.0.1]) by ozlabs.org (Postfix) with ESMTP id 4C533100E6B for ; Fri, 3 Dec 2010 22:41:45 +1100 (EST) Received: from VA3EHSOBE004.bigfish.com (va3ehsobe004.messaging.microsoft.com [216.32.180.14]) (using TLSv1 with cipher AES128-SHA (128/128 bits)) (Client CN "mail.global.frontbridge.com", Issuer "Cybertrust SureServer Standard Validation CA" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id A864EB708B for ; Fri, 3 Dec 2010 22:41:24 +1100 (EST) Received: from mail114-va3-R.bigfish.com (10.7.14.236) by VA3EHSOBE004.bigfish.com (10.7.40.24) with Microsoft SMTP Server id 14.1.225.8; Fri, 3 Dec 2010 11:41:22 +0000 Received: from mail114-va3 (localhost.localdomain [127.0.0.1]) by mail114-va3-R.bigfish.com (Postfix) with ESMTP id E327CB702C5 for ; Fri, 3 Dec 2010 11:41:21 +0000 (UTC) X-SpamScore: 3 X-BigFish: VS3(zzc8kzz1202hzz8275bhz2dh2a8h691h668h61h) X-Spam-TCS-SCL: 0:0 X-Forefront-Antispam-Report: KIP:(null); UIP:(null); IPVD:NLI; H:de01egw01.freescale.net; RD:de01egw01.freescale.net; EFVD:NLI Received: from mail114-va3 (localhost.localdomain [127.0.0.1]) by mail114-va3 (MessageSwitch) id 1291376481659236_20140; Fri, 3 Dec 2010 11:41:21 +0000 (UTC) Received: from VA3EHSMHS015.bigfish.com (unknown [10.7.14.250]) by mail114-va3.bigfish.com (Postfix) with ESMTP id 94577D9804D for ; Fri, 3 Dec 2010 11:41:21 +0000 (UTC) Received: from de01egw01.freescale.net (192.88.165.102) by VA3EHSMHS015.bigfish.com (10.7.99.25) with Microsoft SMTP Server (TLS) id 14.1.225.8; Fri, 3 Dec 2010 11:41:21 +0000 Received: from de01smr02.am.mot.com (de01smr02.freescale.net [10.208.0.151]) by de01egw01.freescale.net (8.14.3/8.14.3) with ESMTP id oB3BhLdo027227 for ; Fri, 3 Dec 2010 04:43:21 -0700 (MST) Received: from zch01exm26.fsl.freescale.net (zch01exm26.ap.freescale.net [10.192.129.221]) by de01smr02.am.mot.com (8.13.1/8.13.0) with ESMTP id oB3BxAdl018881 for ; Fri, 3 Dec 2010 05:59:23 -0600 (CST) Received: from localhost ([10.193.20.133]) by zch01exm26.fsl.freescale.net with Microsoft SMTPSVC(6.0.3790.4675); Fri, 3 Dec 2010 19:42:30 +0800 From: Li Yang To: Subject: [PATCH 7/7] P2020ds: add event button handler Date: Fri, 3 Dec 2010 20:34:11 +0800 Message-ID: <1291379651-8822-7-git-send-email-leoli@freescale.com> X-Mailer: git-send-email 1.6.6-rc1.GIT In-Reply-To: <1291379651-8822-6-git-send-email-leoli@freescale.com> References: <1291379651-8822-1-git-send-email-leoli@freescale.com> <1291379651-8822-2-git-send-email-leoli@freescale.com> <1291379651-8822-3-git-send-email-leoli@freescale.com> <1291379651-8822-4-git-send-email-leoli@freescale.com> <1291379651-8822-5-git-send-email-leoli@freescale.com> <1291379651-8822-6-git-send-email-leoli@freescale.com> X-OriginalArrivalTime: 03 Dec 2010 11:42:30.0334 (UTC) FILETIME=[2AC88DE0:01CB92DF] MIME-Version: 1.0 X-OriginatorOrg: freescale.com X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org Errors-To: linuxppc-dev-bounces+patchwork-incoming=ozlabs.org@lists.ozlabs.org This can be used as a wakeup source for power management. Signed-off-by: Li Yang --- arch/powerpc/boot/dts/p2020ds.dts | 9 ++++++++- arch/powerpc/platforms/85xx/mpc85xx_ds.c | 26 +++++++++++++++++++++++++- 2 files changed, 33 insertions(+), 2 deletions(-) diff --git a/arch/powerpc/boot/dts/p2020ds.dts b/arch/powerpc/boot/dts/p2020ds.dts index 1101914..f4c6520 100644 --- a/arch/powerpc/boot/dts/p2020ds.dts +++ b/arch/powerpc/boot/dts/p2020ds.dts @@ -1,7 +1,7 @@ /* * P2020 DS Device Tree Source * - * Copyright 2009 Freescale Semiconductor Inc. + * Copyright 2009-2010 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -155,6 +155,13 @@ compatible = "fsl,elbc-fcm-nand"; reg = <0x6 0x0 0x40000>; }; + + ngpixis@3,0 { + compatible = "fsl,p2020ds-fpga"; + reg = <0x3 0 0x30>; + interrupt-parent = <&mpic>; + interrupts = <0 0>; + }; }; soc@ffe00000 { diff --git a/arch/powerpc/platforms/85xx/mpc85xx_ds.c b/arch/powerpc/platforms/85xx/mpc85xx_ds.c index 8190bc2..a8807fe 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_ds.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_ds.c @@ -4,7 +4,7 @@ * Author Xianghua Xiao (x.xiao@freescale.com) * Roy Zang * - Add PCI/PCI Exprees support - * Copyright 2007 Freescale Semiconductor Inc. + * Copyright 2007-2010 Freescale Semiconductor Inc. * * This program is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by the @@ -200,6 +200,30 @@ static void __init mpc85xx_ds_setup_arch(void) printk("MPC85xx DS board from Freescale Semiconductor\n"); } +static irqreturn_t event_isr(int irq, void *dev_id) +{ + + printk(KERN_INFO "MPC85xxDS: Event button been pushed.\n"); + return IRQ_HANDLED; +} + +static int __init p2020ds_ngpixis_init(void) +{ + int event_irq, ret; + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,p2020ds-fpga"); + if (np) { + event_irq = irq_of_parse_and_map(np, 0); + ret = request_irq(event_irq, event_isr, 0, "event", NULL); + if (ret) + printk(KERN_ERR "Can't request board event int\n"); + of_node_put(np); + } + return 0; +} +machine_device_initcall(p2020_ds, p2020ds_ngpixis_init); + /* * Called very early, device-tree isn't unflattened */