From mboxrd@z Thu Jan 1 00:00:00 1970 From: Marek Vasut Subject: [PATCH V2] MXS: Add DT binding support into stmp3xxx-rtc Date: Fri, 8 Jun 2012 20:56:44 +0200 Message-ID: <1339181804-22822-1-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: , Sender: linux-arm-kernel-bounces@lists.infradead.org Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: linux-arm-kernel@lists.infradead.org Cc: Marek Vasut , Alessandro Zummo , rtc-linux@googlegroups.com, devicetree-discuss@lists.ozlabs.org, Rob Herring , Grant Likely , Shawn Guo List-Id: devicetree@vger.kernel.org Add simple binding for the stmp3xxx-rtc. Signed-off-by: Marek Vasut Cc: Alessandro Zummo Cc: devicetree-discuss@lists.ozlabs.org Cc: Grant Likely Cc: Rob Herring Cc: rtc-linux@googlegroups.com Cc: Shawn Guo --- .../devicetree/bindings/rtc/stmp3xxx-rtc.txt | 19 +++++++++++++++++++ arch/arm/boot/dts/imx28.dtsi | 1 + drivers/rtc/rtc-stmp3xxx.c | 7 +++++++ 3 files changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt V2: Fix typos, remove fsl,imx28-rtc diff --git a/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt b/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt new file mode 100644 index 0000000..a7a7de5 --- /dev/null +++ b/Documentation/devicetree/bindings/rtc/stmp3xxx-rtc.txt @@ -0,0 +1,19 @@ +* 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: Two interrupt numbers to the cpu should be specified. First + interrupt number is the rtc tick interrupt 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,stmp3xxx-rtc"; + reg = <0x80056000 2000>; + interrupts = <28 29>; + }; diff --git a/arch/arm/boot/dts/imx28.dtsi b/arch/arm/boot/dts/imx28.dtsi index cabcce8..5053019 100644 --- a/arch/arm/boot/dts/imx28.dtsi +++ b/arch/arm/boot/dts/imx28.dtsi @@ -387,6 +387,7 @@ }; rtc@80056000 { + compatible = "fsl,imx28-rtc", "fsl,stmp3xxx-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..3aadb58 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c @@ -25,6 +25,7 @@ #include #include #include +#include #include @@ -265,6 +266,11 @@ 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 */ } +}; + static struct platform_driver stmp3xxx_rtcdrv = { .probe = stmp3xxx_rtc_probe, .remove = stmp3xxx_rtc_remove, @@ -273,6 +279,7 @@ static struct platform_driver stmp3xxx_rtcdrv = { .driver = { .name = "stmp3xxx-rtc", .owner = THIS_MODULE, + .of_match_table = rtc_dt_ids, }, }; -- 1.7.10