linux-kernel - [PATCH 2/2] rtc: m48t86: add DT support for m48t86

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Message-Id: <20230823-m48t86_device_tree-v1-2-240023b435ac@maquefel.me>
Date:   Wed, 23 Aug 2023 12:03:15 +0300
From:   Nikita Shubin via B4 Relay 
        <devnull+nikita.shubin.maquefel.me@...nel.org>
To:     Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>
Cc:     linux-rtc@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Nikita Shubin <nikita.shubin@...uefel.me>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH 2/2] rtc: m48t86: add DT support for m48t86

From: Nikita Shubin <nikita.shubin@...uefel.me>

Add OF ID match table.

Acked-by: Arnd Bergmann <arnd@...db.de>
Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
---
 drivers/rtc/rtc-m48t86.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/rtc/rtc-m48t86.c b/drivers/rtc/rtc-m48t86.c
index 481c9525b1dd..dd4a62e2d39c 100644
--- a/drivers/rtc/rtc-m48t86.c
+++ b/drivers/rtc/rtc-m48t86.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/module.h>
+#include <linux/mod_devicetable.h>
 #include <linux/rtc.h>
 #include <linux/platform_device.h>
 #include <linux/bcd.h>
@@ -269,9 +270,16 @@ static int m48t86_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
+static const struct of_device_id m48t86_rtc_of_ids[] = {
+	{ .compatible = "st,m48t86" },
+	{ /* sentinel */ }
+};
+MODULE_DEVICE_TABLE(of, m48t86_rtc_of_ids);
+
 static struct platform_driver m48t86_rtc_platform_driver = {
 	.driver		= {
 		.name	= "rtc-m48t86",
+		.of_match_table = m48t86_rtc_of_ids,
 	},
 	.probe		= m48t86_rtc_probe,
 };

-- 
2.39.2