Messages in this thread | | | Date | Thu, 03 May 2012 14:36:43 -0500 | From | Rob Herring <> | Subject | Re: [PATCH RESEND v5] rtc: Add device tree support for LPC32xx |
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On 05/03/2012 02:33 PM, Roland Stigge wrote: > This patch adds device tree support for rtc-lpc32xx.c > > Signed-off-by: Roland Stigge <stigge@antcom.de> >
Acked-by: Rob Herring <rob.herring@calxeda.com>
> --- > > Applies to v3.4-rc5 > > Changes since v4: > * Reduced "compatible" strings to just the first one > > Documentation/devicetree/bindings/rtc/lpc32xx-rtc.txt | 15 +++++++++++++++ > drivers/rtc/rtc-lpc32xx.c | 12 +++++++++++- > 2 files changed, 26 insertions(+), 1 deletion(-) > > --- /dev/null > +++ linux-2.6/Documentation/devicetree/bindings/rtc/lpc32xx-rtc.txt > @@ -0,0 +1,15 @@ > +* NXP LPC32xx SoC Real Time Clock controller > + > +Required properties: > +- compatible: must be "nxp,lpc3220-rtc" > +- reg: physical base address of the controller and length of memory mapped > + region. > +- interrupts: The RTC interrupt > + > +Example: > + > + rtc@40024000 { > + compatible = "nxp,lpc3220-rtc"; > + reg = <0x40024000 0x1000>; > + interrupts = <52 0>; > + }; > --- linux-2.6.orig/drivers/rtc/rtc-lpc32xx.c > +++ linux-2.6/drivers/rtc/rtc-lpc32xx.c > @@ -19,6 +19,7 @@ > #include <linux/rtc.h> > #include <linux/slab.h> > #include <linux/io.h> > +#include <linux/of.h> > > /* > * Clock and Power control register offsets > @@ -386,13 +387,22 @@ static const struct dev_pm_ops lpc32xx_r > #define LPC32XX_RTC_PM_OPS NULL > #endif > > +#ifdef CONFIG_OF > +static const struct of_device_id lpc32xx_rtc_match[] = { > + { .compatible = "nxp,lpc3220-rtc" }, > + { } > +}; > +MODULE_DEVICE_TABLE(of, lpc32xx_rtc_match); > +#endif > + > static struct platform_driver lpc32xx_rtc_driver = { > .probe = lpc32xx_rtc_probe, > .remove = __devexit_p(lpc32xx_rtc_remove), > .driver = { > .name = RTC_NAME, > .owner = THIS_MODULE, > - .pm = LPC32XX_RTC_PM_OPS > + .pm = LPC32XX_RTC_PM_OPS, > + .of_match_table = of_match_ptr(lpc32xx_rtc_match), > }, > }; > > _______________________________________________ > devicetree-discuss mailing list > devicetree-discuss@lists.ozlabs.org > https://lists.ozlabs.org/listinfo/devicetree-discuss
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