From fc7789f5d8061c8d26f2e9be9ce5bd91f5033479 Mon Sep 17 00:00:00 2001
From: Peter Robinson <pbrobinson@gmail.com>
Date: Tue, 30 Dec 2014 07:32:03 +0000
Subject: [PATCH] drivers/rtc/rtc-em3027.c: add device tree support
Set the of_match_table for this driver so that devices can be described
in the device tree. This device is used in the Trimslice and is already
defined in the Trimslice device tree.
Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
---
drivers/rtc/rtc-em3027.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/rtc/rtc-em3027.c b/drivers/rtc/rtc-em3027.c
index fccf366..7fbb051 100644
--- a/drivers/rtc/rtc-em3027.c
+++ b/drivers/rtc/rtc-em3027.c
@@ -15,6 +15,7 @@
#include <linux/rtc.h>
#include <linux/bcd.h>
#include <linux/module.h>
+#include <linux/of.h>
/* Registers */
#define EM3027_REG_ON_OFF_CTRL 0x00
@@ -135,10 +136,21 @@ static struct i2c_device_id em3027_id[] = {
{ "em3027", 0 },
{ }
};
+MODULE_DEVICE_TABLE(i2c, em3027_id);
+
+#ifdef CONFIG_OF
+static const struct of_device_id em3027_of_match[] = {
+ { .compatible = "emmicro,em3027", },
+ {}
+};
+MODULE_DEVICE_TABLE(of, em3027_of_match);
+#endif
static struct i2c_driver em3027_driver = {
.driver = {
.name = "rtc-em3027",
+ .owner = THIS_MODULE,
+ .of_match_table = of_match_ptr(em3027_of_match),
},
.probe = &em3027_probe,
.id_table = em3027_id,
--
2.1.0