linux-kernel - [PATCH 08/43] rtc: ep93xx: add DT support for Cirrus EP93xx

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Message-Id: <20230424123522.18302-9-nikita.shubin@maquefel.me>
Date:   Mon, 24 Apr 2023 15:34:24 +0300
From:   Nikita Shubin <nikita.shubin@...uefel.me>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Arnd Bergmann <arnd@...nel.org>, Linus Walleij <linusw@...nel.org>,
        Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-rtc@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 08/43] rtc: ep93xx: add DT support for Cirrus EP93xx

- Find register range from the device tree.

Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---

Notes:
    Arnd Bergmann:
    - wildcards ep93xx to something meaningful, i.e. ep9301
    - drop wrappers

 drivers/rtc/rtc-ep93xx.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/rtc/rtc-ep93xx.c b/drivers/rtc/rtc-ep93xx.c
index acae7f16808f..8bda20a4940a 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 +149,16 @@ static int ep93xx_rtc_probe(struct platform_device *pdev)
 	return devm_rtc_register_device(ep93xx_rtc->rtc);
 }
 
+static const struct of_device_id ep93xx_rtc_of_ids[] = {
+	{ .compatible = "cirrus,ep9301-rtc" },
+	{},
+};
+MODULE_DEVICE_TABLE(of, ep93xx_rtc_of_ids);
+
 static struct platform_driver ep93xx_rtc_driver = {
 	.driver		= {
 		.name	= "ep93xx-rtc",
+		.of_match_table = ep93xx_rtc_of_ids,
 	},
 	.probe		= ep93xx_rtc_probe,
 };
-- 
2.39.2