From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roland Stigge Subject: [PATCH 2/2] rtc-imxdi: Add devicetree support Date: Tue, 16 Oct 2012 16:51:35 +0200 Message-ID: <1350399095-2955-2-git-send-email-stigge@antcom.de> References: <1350399095-2955-1-git-send-email-stigge@antcom.de> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1350399095-2955-1-git-send-email-stigge-uj/7R2tJ6VmzQB+pC5nmwQ@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: devicetree-discuss-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Sender: "devicetree-discuss" To: a.zummo-BfzFCNDTiLLj+vYz1yj4TQ@public.gmane.org, grant.likely-s3s/WqlpOiPyB63q8FvJNQ@public.gmane.org, rob.herring-bsGFqQB8/DxBDgjK7y7TUQ@public.gmane.org, rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org, s.hauer-bIcnvbaLZ9MEGnE8C9+IrQ@public.gmane.org Cc: Roland Stigge List-Id: devicetree@vger.kernel.org This patch adds device tree support to the rtc-imxdi driver. Signed-off-by: Roland Stigge --- Documentation/devicetree/bindings/rtc/imxdi-rtc.txt | 17 +++++++++++++++++ drivers/rtc/rtc-imxdi.c | 11 +++++++++++ 2 files changed, 28 insertions(+) --- /dev/null +++ linux-2.6/Documentation/devicetree/bindings/rtc/imxdi-rtc.txt @@ -0,0 +1,17 @@ +* i.MX25 Real Time Clock controller + +This binding supports the following chips: i.MX25, i.MX53 + +Required properties: +- compatible: should be: "fsl,imx25-rtc" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: rtc alarm interrupt + +Example: + +rtc@80056000 { + compatible = "fsl,imx53-rtc", "fsl,imx25-rtc"; + reg = <0x80056000 2000>; + interrupts = <29>; +}; --- linux-2.6.orig/drivers/rtc/rtc-imxdi.c +++ linux-2.6/drivers/rtc/rtc-imxdi.c @@ -37,6 +37,7 @@ #include #include #include +#include #include /* DryIce Register Definitions */ @@ -500,10 +501,20 @@ static int __devexit dryice_rtc_remove(s return 0; } +#ifdef CONFIG_OF +static const struct of_device_id dryice_dt_ids[] = { + { .compatible = "fsl,imx25-rtc" }, + { /* sentinel */ } +}; + +MODULE_DEVICE_TABLE(of, dryice_dt_ids); +#endif + static struct platform_driver dryice_rtc_driver = { .driver = { .name = "imxdi_rtc", .owner = THIS_MODULE, + .of_match_table = of_match_ptr(dryice_dt_ids), }, .remove = __devexit_p(dryice_rtc_remove), };