Commit 663b3524 authored by Alexander Shiyan's avatar Alexander Shiyan Committed by Linus Torvalds
Browse files

drivers/rtc/rtc-ds1742.c: add devicetree support 



This patch allows the driver to be enabled with devicetree.

Signed-off-by: default avatarAlexander Shiyan <shc_work@mail.ru>
Acked-by: default avatarMark Rutland <mark.rutland@arm.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1b3d2243

Documentation/devicetree/bindings/rtc/maxim,ds1742.txt

0 → 100644
+12 −0
Original line number Diff line number Diff line 
* Maxim (Dallas) DS1742/DS1743 Real Time Clock



Required properties:

- compatible: Should contain "maxim,ds1742".

- reg: Physical base address of the RTC and length of memory

  mapped region.



Example:

	rtc: rtc@10000000 {

		compatible = "maxim,ds1742";

		reg = <0x10000000 0x800>;

	};

drivers/rtc/rtc-ds1742.c

+9 −1
Original line number Diff line number Diff line
@@ -13,12 +13,13 @@ 
 */



#include <linux/bcd.h>

#include <linux/init.h>

#include <linux/kernel.h>

#include <linux/gfp.h>

#include <linux/delay.h>

#include <linux/jiffies.h>

#include <linux/rtc.h>

#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>

#include <linux/io.h>

#include <linux/module.h>
@@ -215,12 +216,19 @@ static int ds1742_rtc_remove(struct platform_device *pdev) 
	return 0;

}



static struct of_device_id __maybe_unused ds1742_rtc_of_match[] = {

	{ .compatible = "maxim,ds1742", },

	{ }

};

MODULE_DEVICE_TABLE(of, ds1742_rtc_of_match);



static struct platform_driver ds1742_rtc_driver = {

	.probe		= ds1742_rtc_probe,

	.remove		= ds1742_rtc_remove,

	.driver		= {

		.name	= "rtc-ds1742",

		.owner	= THIS_MODULE,

		.of_match_table = of_match_ptr(ds1742_rtc_of_match),

	},

};