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RTC: add DT bindings to pxa-rtc 

This patch adds generic device tree bindings to the PXA RTC driver.
Documentation for bindings were also added.

Signed-off-by: Daniel Mack <zonque@gmail.com>
Cc: Robert Jarzmik <robert.jarzmik@free.fr>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Haojian Zhuang <haojian.zhuang@gmail.com>
This commit is contained in:
Daniel Mack 2012-07-19 19:58:39 +02:00 committed by Haojian Zhuang
parent 0d7614f09c
commit 9020b7cc27
2 changed files with 25 additions and 0 deletions
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14
Documentation/devicetree/bindings/rtc/pxa-rtc.txt Normal file
View File

@ -0,0 +1,14 @@
* PXA RTC
PXA specific RTC driver.
Required properties:
- compatible : Should be "marvell,pxa-rtc"
Examples:
rtc@40900000 {
compatible = "marvell,pxa-rtc";
reg = <0x40900000 0x3c>;
interrupts = <30 31>;
};

11
drivers/rtc/rtc-pxa.c
View File

@ -27,6 +27,8 @@
#include <linux/interrupt.h>
#include <linux/io.h>
#include <linux/slab.h>
#include <linux/of.h>
#include <linux/of_device.h>
#include <mach/hardware.h>
@ -396,6 +398,14 @@ static int __exit pxa_rtc_remove(struct platform_device *pdev)
return 0;
}
#ifdef CONFIG_OF
static struct of_device_id pxa_rtc_dt_ids[] = {
{ .compatible = "marvell,pxa-rtc" },
{}
};
MODULE_DEVICE_TABLE(of, pxa_rtc_dt_ids);
#endif
#ifdef CONFIG_PM
static int pxa_rtc_suspend(struct device *dev)
{
@ -425,6 +435,7 @@ static struct platform_driver pxa_rtc_driver = {
.remove = __exit_p(pxa_rtc_remove),
.driver = {
.name = "pxa-rtc",
.of_match_table = of_match_ptr(pxa_rtc_dt_ids),
#ifdef CONFIG_PM
.pm = &pxa_rtc_pm_ops,
#endif