From 18917ce5203d14fde16542aaa9697121562a5f2e Mon Sep 17 00:00:00 2001
From: Nikita Shubin <nikita.shubin@maquefel.me>
Date: Sun, 14 Mar 2021 12:41:10 +0300
Subject: [PATCH] rtc: ep93xx: add DT support for Cirrus EP93xx

- Find register range from the device tree.

Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
---
 drivers/rtc/rtc-ep93xx.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index acae7f16808f7..f3350fcb20bfc 100644
--- a/drivers/rtc/rtc-ep93xx.c
+++ b/drivers/rtc/rtc-ep93xx.c
@@ -8,6 +8,7 @@
 
 #include <linux/module.h>
 #include <linux/rtc.h>
+#include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/gfp.h>
@@ -148,9 +149,18 @@ static int ep93xx_rtc_probe(struct platform_device *pdev)
 	return devm_rtc_register_device(ep93xx_rtc->rtc);
 }
 
+#ifdef CONFIG_OF
+static const struct of_device_id ep93xx_rtc_of_ids[] = {
+	{ .compatible = "cirrus,ep93xx-rtc" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, ep93xx_rtc_of_ids);
+#endif
+
 static struct platform_driver ep93xx_rtc_driver = {
 	.driver		= {
 		.name	= "ep93xx-rtc",
+		.of_match_table = of_match_ptr(ep93xx_rtc_of_ids),
 	},
 	.probe		= ep93xx_rtc_probe,
 };
-- 
2.30.2