From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Subject: [PATCH] MXS: Add DT binding support into stmp3xxx-rtc Date: Sun, 27 May 2012 04:11:29 +0200 Message-ID: <1338084689-12003-1-git-send-email-marex@denx.de> 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-bounces+gldd-devicetree-discuss=m.gmane.org-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org 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, Rob Herring List-Id: devicetree@vger.kernel.org Add simple binding for the stmp3xxx-rtc. Signed-off-by: Marek Vasut Cc: Alessandro Zummo Cc: devicetree-discuss-uLR06cmDAlY/bJ5BZ2RsiQ@public.gmane.org Cc: Grant Likely Cc: Rob Herring Cc: rtc-linux-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org Cc: Shawn Guo --- .../devicetree/bindings/rtc/stmp3xxx-rtc.txt | 20 ++++++++++++++++++++ arch/arm/boot/dts/imx28.dtsi | 1 + drivers/rtc/rtc-stmp3xxx.c | 8 ++++++++ 3 files changed, 29 insertions(+) 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..a49dd52 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt @@ -0,0 +1,20 @@ +* STMP3xxx/i.MX28 Time Clock controller + +Required properties: +- compatible: should be one of the following. + * "fsl,stmp3xxx-rtc" + * "fsl,imx28-rtc" +- reg: physical base address of the controller and length of memory mapped + region. +- interrupts: Two interrupt numbers to the cpu should be specified. First + interrupt number is the rtc rick interupt and second interrupt number + is the rtc alarm interrupt. The number of cells representing a interrupt + depends on the parent interrupt controller. + +Example: + + rtc@80056000 { + compatible = "fsl,imx28-rtc"; + reg = <0x80056000 2000>; + interrupts = <28 29>; + }; diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index d470276..119f183 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -370,6 +370,7 @@ }; rtc@80056000 { + compatible = "fsl,imx28-rtc"; reg = <0x80056000 2000>; interrupts = <28 29>; status = "disabled"; diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index 1028786..dea9764 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", }, + { .compatible = "fsl,imx28-rtc", }, + { /* sentinel */ } +}; + 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, }, }; -- 1.7.10