From patchwork Fri Apr 13 22:36:32 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: stigge@antcom.de X-Patchwork-Id: 152413 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from mail-wg0-f56.google.com (mail-wg0-f56.google.com [74.125.82.56]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority" (not verified)) by ozlabs.org (Postfix) with ESMTPS id E6FE4B7014 for ; Sat, 14 Apr 2012 08:36:54 +1000 (EST) Received: by wgbds11 with SMTP id ds11sf1679613wgb.11 for ; Fri, 13 Apr 2012 15:36:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlegroups.com; s=beta; h=mime-version:x-beenthere:received-spf:from:to:cc:subject:date :message-id:x-mailer:x-feas-system-wl:x-original-sender :x-original-authentication-results:reply-to:precedence:mailing-list :list-id:x-google-group-id:list-post:list-help:list-archive:sender :list-subscribe:list-unsubscribe:content-type; bh=7nhdzMzDXbzFD729kTgQum3dEBPAXnkBvtOTe7Z16Pw=; b=vlxSv56lD2gb4eBjpScUXaHQr1YLXnMfuojctoqmO5AH6u4DEPrsVv4iBZ6ENRR15R ksrl+S5tyBCqdQzFTE3Q8ORqvs2MFWMxuu8asiJZ8YVvM5lFWYLK5XPv/4hiuxqELwKT YO2MinC0QGbEMJCpCMu46SKuc4K5KBJi/vvaE= Received: by 10.216.134.42 with SMTP id r42mr103806wei.36.1334356608680; Fri, 13 Apr 2012 15:36:48 -0700 (PDT) MIME-Version: 1.0 X-BeenThere: rtc-linux@googlegroups.com Received: by 10.180.24.170 with SMTP id v10ls59wif.0.canary; Fri, 13 Apr 2012 15:36:47 -0700 (PDT) Received: by 10.216.131.157 with SMTP id m29mr202944wei.10.1334356607313; Fri, 13 Apr 2012 15:36:47 -0700 (PDT) Received: by 10.216.131.157 with SMTP id m29mr202942wei.10.1334356607295; Fri, 13 Apr 2012 15:36:47 -0700 (PDT) Received: from work-microwave.de (mail.work-microwave.de. [62.245.205.51]) by gmr-mx.google.com with ESMTPS id ca1si1398040wib.1.2012.04.13.15.36.47 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 13 Apr 2012 15:36:47 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of rst@work-microwave.de designates 62.245.205.51 as permitted sender) client-ip=62.245.205.51; Received: from rst-pc1.lan.work-microwave.de ([192.168.11.78]) (authenticated bits=0) by mail.work-microwave.de with ESMTP id q3DMagiS005018 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Fri, 13 Apr 2012 23:36:44 +0100 Received: by rst-pc1.lan.work-microwave.de (Postfix, from userid 1000) id 5EFECAE074; Sat, 14 Apr 2012 00:36:42 +0200 (CEST) From: Roland Stigge To: arm@kernel.org, linux-arm-kernel@lists.infradead.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, w.sang@pengutronix.de, srinivas.bakki@nxp.com, kevin.wells@nxp.com, gregkh@linuxfoundation.org, netdev@vger.kernel.org, rtc-linux@googlegroups.com, a.zummo@towertech.it, linux-watchdog@vger.kernel.org, wim@iguana.be, jonsmirl@gmail.com Cc: Roland Stigge Subject: [rtc-linux] [PATCH RESEND v3 1/8] iio: Add device tree support to LPC32xx ADC Date: Sat, 14 Apr 2012 00:36:32 +0200 Message-Id: <1334356600-20950-1-git-send-email-stigge@antcom.de> X-Mailer: git-send-email 1.7.9 X-FEAS-SYSTEM-WL: rst@work-microwave.de, 192.168.11.78 X-Original-Sender: stigge@antcom.de X-Original-Authentication-Results: gmr-mx.google.com; spf=pass (google.com: best guess record for domain of rst@work-microwave.de designates 62.245.205.51 as permitted sender) smtp.mail=rst@work-microwave.de Reply-To: rtc-linux@googlegroups.com Precedence: list Mailing-list: list rtc-linux@googlegroups.com; contact rtc-linux+owners@googlegroups.com List-ID: X-Google-Group-Id: 712029733259 List-Post: , List-Help: , List-Archive: Sender: rtc-linux@googlegroups.com List-Subscribe: , List-Unsubscribe: , This patch adds device tree support to the LPC32xx's ADC. Signed-off-by: Roland Stigge Reviewed-by: Arnd Bergmann --- Applies to v3.4-rc2 Documentation/devicetree/bindings/staging/iio/adc/lpc32xx-adc.txt | 16 ++++++++++ drivers/staging/iio/adc/lpc32xx_adc.c | 10 ++++++ 2 files changed, 26 insertions(+) --- /dev/null +++ linux-2.6/Documentation/devicetree/bindings/staging/iio/adc/lpc32xx-adc.txt @@ -0,0 +1,16 @@ +* NXP LPC32xx SoC ADC controller + +Required properties: +- compatible: must be "nxp,lpc32xx-adc" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: The ADC interrupt + +Example: + + adc@40048000 { + compatible = "nxp,lpc32xx-adc"; + reg = <0x40048000 0x1000>; + interrupt-parent = <&mic>; + interrupts = <39 0>; + }; --- linux-2.6.orig/drivers/staging/iio/adc/lpc32xx_adc.c +++ linux-2.6/drivers/staging/iio/adc/lpc32xx_adc.c @@ -30,6 +30,7 @@ #include #include #include +#include #include "../iio.h" #include "../sysfs.h" @@ -221,12 +222,21 @@ static int __devexit lpc32xx_adc_remove( return 0; } +#ifdef CONFIG_OF +static const struct of_device_id lpc32xx_adc_match[] = { + { .compatible = "nxp,lpc32xx-adc" }, + {}, +}; +MODULE_DEVICE_TABLE(of, lpc32xx_adc_match); +#endif + static struct platform_driver lpc32xx_adc_driver = { .probe = lpc32xx_adc_probe, .remove = __devexit_p(lpc32xx_adc_remove), .driver = { .name = MOD_NAME, .owner = THIS_MODULE, + .of_match_table = of_match_ptr(lpc32xx_adc_match), }, };