From 102ec6463884b7879e2011796f4a0117e73ed52f Mon Sep 17 00:00:00 2001
From: Nikita Shubin <nikita.shubin@maquefel.me>
Date: Mon, 21 Nov 2022 12:50:49 +0300
Subject: [PATCH] rtc: m48t86: add DT support for m48t86

- get regs from device tree

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
---
 drivers/rtc/rtc-m48t86.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 481c9525b1ddb..d65727ac283af 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -15,6 +15,7 @@
 #include <linux/platform_device.h>
 #include <linux/bcd.h>
 #include <linux/io.h>
+#include <linux/of.h>
 
 #define M48T86_SEC		0x00
 #define M48T86_SECALRM		0x01
@@ -269,9 +270,18 @@ static int m48t86_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id m48t86_rtc_of_ids[] = {
+	{ .compatible = "dallas,rtc-m48t86" },
+	{ /* end of table */ },
+};
+MODULE_DEVICE_TABLE(of, m48t86_rtc_of_ids);
+#endif
+
 static struct platform_driver m48t86_rtc_platform_driver = {
 	.driver		= {
 		.name	= "rtc-m48t86",
+		.of_match_table = of_match_ptr(m48t86_rtc_of_ids),
 	},
 	.probe		= m48t86_rtc_probe,
 };
-- 
2.30.2