linux-kernel - [PATCH v3 2/3] ltc2471: ltc2461/ltc2463 compatible strings

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Message-ID: <20200727135834.84093-3-darius.berghe@analog.com>
Date:   Mon, 27 Jul 2020 16:58:33 +0300
From:   Darius Berghe <darius.berghe@...log.com>
To:     <linux-iio@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>
CC:     <jic23@...nel.org>, <robh@...nel.org>
Subject: [PATCH v3 2/3] ltc2471: ltc2461/ltc2463 compatible strings

Add compatible strings for these devices in the existing ltc2471
driver.

Signed-off-by: Darius Berghe <darius.berghe@...log.com>
---
 drivers/iio/adc/ltc2471.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/iio/adc/ltc2471.c b/drivers/iio/adc/ltc2471.c
index e1c4e966524d..8c57203b1fe4 100644
--- a/drivers/iio/adc/ltc2471.c
+++ b/drivers/iio/adc/ltc2471.c
@@ -1,5 +1,7 @@
 /*
- * Driver for Linear Technology LTC2471 and LTC2473 voltage monitors
+ * Driver for Linear Technology LTC2461, LTC2463, LTC2471 and LTC2473 voltage
+ * monitors.
+ * The LTC2463 is identical to the 2461, but reports a differential signal.
  * The LTC2473 is identical to the 2471, but reports a differential signal.
  *
  * Copyright (C) 2017 Topic Embedded Products
@@ -17,8 +19,10 @@
 #include <linux/mod_devicetable.h>
 
 enum ltc2471_chips {
+	ltc2461,
+	ltc2463,
 	ltc2471,
-	ltc2473,
+	ltc2473
 };
 
 struct ltc2471_data {
@@ -122,7 +126,7 @@ static int ltc2471_i2c_probe(struct i2c_client *client,
 	indio_dev->name = id->name;
 	indio_dev->info = &ltc2471_info;
 	indio_dev->modes = INDIO_DIRECT_MODE;
-	if (id->driver_data == ltc2473)
+	if (id->driver_data == ltc2473 || id->driver_data == ltc2463)
 		indio_dev->channels = ltc2473_channel;
 	else
 		indio_dev->channels = ltc2471_channel;
@@ -139,6 +143,8 @@ static int ltc2471_i2c_probe(struct i2c_client *client,
 }
 
 static const struct i2c_device_id ltc2471_i2c_id[] = {
+	{ "ltc2461", ltc2461 },
+	{ "ltc2463", ltc2463 },
 	{ "ltc2471", ltc2471 },
 	{ "ltc2473", ltc2473 },
 	{}
@@ -146,6 +152,8 @@ static const struct i2c_device_id ltc2471_i2c_id[] = {
 MODULE_DEVICE_TABLE(i2c, ltc2471_i2c_id);
 
 static const struct of_device_id ltc2471_of_match[] = {
+	{ .compatible = "adi,ltc2461" },
+	{ .compatible = "adi,ltc2463" },
 	{ .compatible = "adi,ltc2471" },
 	{ .compatible = "adi,ltc2473" },
 	{}
@@ -163,6 +171,6 @@ static struct i2c_driver ltc2471_i2c_driver = {
 
 module_i2c_driver(ltc2471_i2c_driver);
 
-MODULE_DESCRIPTION("LTC2471/LTC2473 ADC driver");
+MODULE_DESCRIPTION("LTC2461/LTC2463/LTC2471/LTC2473 ADC driver");
 MODULE_AUTHOR("Topic Embedded Products");
 MODULE_LICENSE("GPL v2");
-- 
2.27.0