From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-ey0-f174.google.com ([209.85.215.174]:60427 "EHLO mail-ey0-f174.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755916Ab2ISKWf (ORCPT ); Wed, 19 Sep 2012 06:22:35 -0400 Received: by eaac11 with SMTP id c11so248199eaa.19 for ; Wed, 19 Sep 2012 03:22:34 -0700 (PDT) From: Fabio Porcedda To: Wim Van Sebroeck , linux-watchdog@vger.kernel.org Subject: [PATCH 1/2] watchdog: at91sam9_wdt: add device tree support Date: Wed, 19 Sep 2012 12:22:29 +0200 Message-Id: <1348050150-5600-2-git-send-email-fabio.porcedda@gmail.com> In-Reply-To: <1348050150-5600-1-git-send-email-fabio.porcedda@gmail.com> References: <1348050150-5600-1-git-send-email-fabio.porcedda@gmail.com> Sender: linux-watchdog-owner@vger.kernel.org List-Id: linux-watchdog@vger.kernel.org Tested on an at91sam9260 board (evk-pro3) Signed-off-by: Fabio Porcedda --- Documentation/devicetree/bindings/watchdog/atmel-wdt.txt | 15 +++++++++++++++ drivers/watchdog/at91sam9_wdt.c | 11 +++++++++++ 2 files changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/atmel-wdt.txt diff --git a/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt b/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt new file mode 100644 index 0000000..fca76fd --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/atmel-wdt.txt @@ -0,0 +1,15 @@ +* Atmel Watchdog Timers + +** at91sam9-wdt + +Required properties: +- compatible: must be "atmel,at91sam9-wdt" +- reg: physical base address of the controller and length of memory mapped + region. + +Example: + + watchdog@fffffd40 { + compatible = "atmel,at91sam9-wdt"; + reg = <0xfffffd40 0x10>; + }; diff --git a/drivers/watchdog/at91sam9_wdt.c b/drivers/watchdog/at91sam9_wdt.c index 05e1be8..c1ba2ed 100644 --- a/drivers/watchdog/at91sam9_wdt.c +++ b/drivers/watchdog/at91sam9_wdt.c @@ -32,6 +32,7 @@ #include #include #include +#include #include "at91sam9_wdt.h" @@ -302,11 +303,21 @@ static int __exit at91wdt_remove(struct platform_device *pdev) return res; } +#if defined(CONFIG_OF) +static const struct of_device_id at91_wdt_dt_ids[] = { + { .compatible = "atmel,at91sam9-wdt" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, at91_wdt_dt_ids); +#endif + static struct platform_driver at91wdt_driver = { .remove = __exit_p(at91wdt_remove), .driver = { .name = "at91_wdt", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(at91_wdt_dt_ids), }, }; -- 1.7.11.3