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Commit c05229a8 authored by Paul Cercueil's avatar Paul Cercueil Committed by Alexandre Belloni
Browse files

rtc: jz4740: Add support for devicetree 



See
Documentation/devicetree/bindings/rtc/ingenic,jz4740-rtc.txt
for a description of the bindings.

Signed-off-by: default avatarPaul Cercueil <paul@crapouillou.net>
Acked-by: default avatarMaarten ter Huurne <maarten@treewalker.org>
Signed-off-by: default avatarAlexandre Belloni <alexandre.belloni@free-electrons.com>
parent 88d88c5a

drivers/rtc/rtc-jz4740.c

+15 −1
Original line number Diff line number Diff line
@@ -17,6 +17,7 @@ 
#include <linux/io.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/of_device.h>

#include <linux/platform_device.h>

#include <linux/rtc.h>

#include <linux/slab.h>
@@ -245,6 +246,13 @@ void jz4740_rtc_poweroff(struct device *dev) 
}

EXPORT_SYMBOL_GPL(jz4740_rtc_poweroff);



static const struct of_device_id jz4740_rtc_of_match[] = {

	{ .compatible = "ingenic,jz4740-rtc", .data = (void *)ID_JZ4740 },

	{ .compatible = "ingenic,jz4780-rtc", .data = (void *)ID_JZ4780 },

	{},

};

MODULE_DEVICE_TABLE(of, jz4740_rtc_of_match);



static int jz4740_rtc_probe(struct platform_device *pdev)

{

	int ret;
@@ -252,11 +260,16 @@ static int jz4740_rtc_probe(struct platform_device *pdev) 
	uint32_t scratchpad;

	struct resource *mem;

	const struct platform_device_id *id = platform_get_device_id(pdev);

	const struct of_device_id *of_id = of_match_device(

			jz4740_rtc_of_match, &pdev->dev);



	rtc = devm_kzalloc(&pdev->dev, sizeof(*rtc), GFP_KERNEL);

	if (!rtc)

		return -ENOMEM;



	if (of_id)

		rtc->type = (enum jz4740_rtc_type)of_id->data;

	else

		rtc->type = id->driver_data;



	rtc->irq = platform_get_irq(pdev, 0);
@@ -345,6 +358,7 @@ static struct platform_driver jz4740_rtc_driver = { 
	.driver	 = {

		.name  = "jz4740-rtc",

		.pm    = JZ4740_RTC_PM_OPS,

		.of_match_table = of_match_ptr(jz4740_rtc_of_match),

	},

	.id_table = jz4740_rtc_ids,

};