From mboxrd@z Thu Jan 1 00:00:00 1970 From: Shawn Guo Subject: [PATCH v3] rtc: stmp3xxx: Add simple binding for the stmp3xxx-rtc Date: Tue, 26 Jun 2012 16:35:26 +0800 Message-ID: <1340699726-7852-1-git-send-email-shawn.guo@linaro.org> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: 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: linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org Cc: Marek Vasut , Alessandro Zummo , rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org, devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org List-Id: devicetree@vger.kernel.org From: Marek Vasut Signed-off-by: Marek Vasut Cc: Alessandro Zummo Cc: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Cc: Grant Likely Cc: rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Acked-by: Rob Herring Signed-off-by: Shawn Guo --- Changes since v2: * Back out the dts changes from the patch, so that it could be merged through rtc tree if that's the case. * The first interrupt has to be rtc alarm interrupt, and that's the only one that driver tries to get. Fix binding document for that. .../devicetree/bindings/rtc/stmp3xxx-rtc.txt | 16 ++++++++++++++++ drivers/rtc/rtc-stmp3xxx.c | 8 ++++++++ 2 files changed, 24 insertions(+), 0 deletions(-) create mode 100644 Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt diff --git a/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt b/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt new file mode 100644 index 0000000..b800070 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt @@ -0,0 +1,16 @@ +* STMP3xxx/i.MX28 Time Clock controller + +Required properties: +- compatible: should be one of the following. + * "fsl,stmp3xxx-rtc" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: rtc alarm interrupt + +Example: + +rtc@80056000 { + compatible = "fsl,imx28-rtc", "fsl,stmp3xxx-rtc"; + reg = <0x80056000 2000>; + interrupts = <29>; +}; diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index 1028786..739ef556 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c @@ -25,6 +25,7 @@ #include #include #include +#include #include @@ -265,6 +266,12 @@ static int stmp3xxx_rtc_resume(struct platform_device *dev) #define stmp3xxx_rtc_resume NULL #endif +static const struct of_device_id rtc_dt_ids[] = { + { .compatible = "fsl,stmp3xxx-rtc", }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, rtc_dt_ids); + static struct platform_driver stmp3xxx_rtcdrv = { .probe = stmp3xxx_rtc_probe, .remove = stmp3xxx_rtc_remove, @@ -273,6 +280,7 @@ static struct platform_driver stmp3xxx_rtcdrv = { .driver = { .name = "stmp3xxx-rtc", .owner = THIS_MODULE, + .of_match_table = rtc_dt_ids, }, }; -- 1.7.5.4