linux-kernel - [PATCH v1 30/43] rtc: m48t86: add DT support for m48t86

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Message-Id: <20230601054549.10843-12-nikita.shubin@maquefel.me>
Date:   Thu,  1 Jun 2023 08:45:35 +0300
From:   Nikita Shubin <nikita.shubin@...uefel.me>
To:     Alexander Sverdlin <alexander.sverdlin@...il.com>,
        Arnd Bergmann <arnd@...db.de>,
        Linus Walleij <linus.walleij@...aro.org>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>
Cc:     Nikita Shubin <nikita.shubin@...uefel.me>,
        Michael Peters <mpeters@...eddedTS.com>,
        Kris Bahnsen <kris@...eddedTS.com>, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v1 30/43] rtc: m48t86: add DT support for m48t86

- get regs from device tree

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

Notes:
    v0 -> v1:
    
    - dropped CONFIG_OF, of_match_ptr
    - dropped coma in id table
    - changed compatible from "dallas,rtc-m48t86" to "st,m48t86"

 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..b114796d4326 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 +270,16 @@ 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,
 };
-- 
2.37.4