diff options
author | Roland Stigge <stigge@antcom.de> | 2012-05-29 22:07:39 (GMT) |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-05-29 23:22:34 (GMT) |
commit | e862e7c4ee52c2d1a0af37a8c3a2bda079042b06 (patch) | |
tree | 41284c9cc0bb04039f61b8cbf2719dfa9a0aac5b | |
parent | bcffb10f287c89ca6e4f89ef748301a9e22384d0 (diff) | |
download | linux-fsl-qoriq-e862e7c4ee52c2d1a0af37a8c3a2bda079042b06.tar.xz |
drivers/rtc/rtc-lpc32xx.c: add device tree support
Adds device tree support for rtc-lpc32xx.c
Signed-off-by: Roland Stigge <stigge@antcom.de>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r-- | Documentation/devicetree/bindings/rtc/lpc32xx-rtc.txt | 15 | ||||
-rw-r--r-- | drivers/rtc/rtc-lpc32xx.c | 12 |
2 files changed, 26 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/rtc/lpc32xx-rtc.txt b/Documentation/devicetree/bindings/rtc/lpc32xx-rtc.txt new file mode 100644 index 0000000..a87a1e9 --- /dev/null +++ b/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>; + }; diff --git a/drivers/rtc/rtc-lpc32xx.c b/drivers/rtc/rtc-lpc32xx.c index 63c7218..d521855 100644 --- a/drivers/rtc/rtc-lpc32xx.c +++ b/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_rtc_pm_ops = { #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), }, }; |