linux-kernel - [PATCH v5] rtc: rx6110: add ACPI bindings to I2C

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Date:   Wed, 17 Mar 2021 08:52:27 +0100
From:   Claudius Heine <ch@...x.de>
To:     johannes hahn <johannes-hahn@...mens.com>,
        Alessandro Zummo <a.zummo@...ertech.it>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        linux-rtc@...r.kernel.org (open list:REAL TIME CLOCK (RTC) SUBSYSTEM),
        linux-kernel@...r.kernel.org (open list)
Cc:     werner zeh <werner.zeh@...mens.com>,
        henning schild <henning.schild@...mens.com>,
        Andy Shevchenko <andriy.shevchenko@...el.com>,
        martin mantel <martin.mantel@...mens.com>,
        Claudius Heine <ch@...x.de>,
        Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH v5] rtc: rx6110: add ACPI bindings to I2C

From: Johannes Hahn <johannes-hahn@...mens.com>

This allows the RX6110 driver to be automatically assigned to the right
device on the I2C bus.

Signed-off-by: Johannes Hahn <johannes-hahn@...mens.com>
Co-developed-by: Claudius Heine <ch@...x.de>
Signed-off-by: Claudius Heine <ch@...x.de>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Reported-by: kernel test robot <lkp@...el.com>
---
 drivers/rtc/rtc-rx6110.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/drivers/rtc/rtc-rx6110.c b/drivers/rtc/rtc-rx6110.c
index 79161d4c6ce4..f4d425002f7f 100644
--- a/drivers/rtc/rtc-rx6110.c
+++ b/drivers/rtc/rtc-rx6110.c
@@ -447,6 +447,12 @@ static int rx6110_i2c_probe(struct i2c_client *client,
 	return rx6110_probe(rx6110, &client->dev);
 }
 
+static const struct acpi_device_id rx6110_i2c_acpi_match[] = {
+	{ "SECC6110" },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, rx6110_i2c_acpi_match);
+
 static const struct i2c_device_id rx6110_i2c_id[] = {
 	{ "rx6110", 0 },
 	{ }
@@ -456,6 +462,7 @@ MODULE_DEVICE_TABLE(i2c, rx6110_i2c_id);
 static struct i2c_driver rx6110_i2c_driver = {
 	.driver = {
 		.name = RX6110_DRIVER_NAME,
+		.acpi_match_table = rx6110_i2c_acpi_match,
 	},
 	.probe		= rx6110_i2c_probe,
 	.id_table	= rx6110_i2c_id,

base-commit: 1df27313f50a57497c1faeb6a6ae4ca939c85a7d
-- 
2.30.1