linux-kernel - [PATCH v3 2/2] iio: adc: max1363: Add device tree binding

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Message-Id: <1467272586-28761-3-git-send-email-florian.vaussard@heig-vd.ch>
Date:	Thu, 30 Jun 2016 09:43:06 +0200
From:	Florian Vaussard <florian.vaussard@...il.com>
To:	devicetree@...r.kernel.org, Jonathan Cameron <jic23@...nel.org>,
	Hartmut Knaack <knaack.h@....de>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Peter Meerwald-Stadler <pmeerw@...erw.net>
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>,
	Martin Kepplinger <martink@...teo.de>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	Florian Vaussard <florian.vaussard@...g-vd.ch>
Subject: [PATCH v3 2/2] iio: adc: max1363: Add device tree binding

This patch adds the necessary device tree binding to allow DT probing of
currently supported parts.

Signed-off-by: Florian Vaussard <florian.vaussard@...g-vd.ch>
---
 drivers/iio/adc/max1363.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 60 insertions(+), 1 deletion(-)

diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index b5d28c0..c3e4c3c 100644
--- a/drivers/iio/adc/max1363.c
+++ b/drivers/iio/adc/max1363.c
@@ -25,6 +25,8 @@
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/module.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
@@ -1516,6 +1518,56 @@ done:
 	return IRQ_HANDLED;
 }
 
+#ifdef CONFIG_OF
+
+#define MAX1363_COMPATIBLE(of_compatible, cfg) {		\
+			.compatible = of_compatible,		\
+			.data = &max1363_chip_info_tbl[cfg],	\
+}
+
+static const struct of_device_id max1363_of_match[] = {
+	MAX1363_COMPATIBLE("maxim,max1361", max1361),
+	MAX1363_COMPATIBLE("maxim,max1362", max1362),
+	MAX1363_COMPATIBLE("maxim,max1363", max1363),
+	MAX1363_COMPATIBLE("maxim,max1364", max1364),
+	MAX1363_COMPATIBLE("maxim,max1036", max1036),
+	MAX1363_COMPATIBLE("maxim,max1037", max1037),
+	MAX1363_COMPATIBLE("maxim,max1038", max1038),
+	MAX1363_COMPATIBLE("maxim,max1039", max1039),
+	MAX1363_COMPATIBLE("maxim,max1136", max1136),
+	MAX1363_COMPATIBLE("maxim,max1137", max1137),
+	MAX1363_COMPATIBLE("maxim,max1138", max1138),
+	MAX1363_COMPATIBLE("maxim,max1139", max1139),
+	MAX1363_COMPATIBLE("maxim,max1236", max1236),
+	MAX1363_COMPATIBLE("maxim,max1237", max1237),
+	MAX1363_COMPATIBLE("maxim,max1238", max1238),
+	MAX1363_COMPATIBLE("maxim,max1239", max1239),
+	MAX1363_COMPATIBLE("maxim,max11600", max11600),
+	MAX1363_COMPATIBLE("maxim,max11601", max11601),
+	MAX1363_COMPATIBLE("maxim,max11602", max11602),
+	MAX1363_COMPATIBLE("maxim,max11603", max11603),
+	MAX1363_COMPATIBLE("maxim,max11604", max11604),
+	MAX1363_COMPATIBLE("maxim,max11605", max11605),
+	MAX1363_COMPATIBLE("maxim,max11606", max11606),
+	MAX1363_COMPATIBLE("maxim,max11607", max11607),
+	MAX1363_COMPATIBLE("maxim,max11608", max11608),
+	MAX1363_COMPATIBLE("maxim,max11609", max11609),
+	MAX1363_COMPATIBLE("maxim,max11610", max11610),
+	MAX1363_COMPATIBLE("maxim,max11611", max11611),
+	MAX1363_COMPATIBLE("maxim,max11612", max11612),
+	MAX1363_COMPATIBLE("maxim,max11613", max11613),
+	MAX1363_COMPATIBLE("maxim,max11614", max11614),
+	MAX1363_COMPATIBLE("maxim,max11615", max11615),
+	MAX1363_COMPATIBLE("maxim,max11616", max11616),
+	MAX1363_COMPATIBLE("maxim,max11617", max11617),
+	MAX1363_COMPATIBLE("maxim,max11644", max11644),
+	MAX1363_COMPATIBLE("maxim,max11645", max11645),
+	MAX1363_COMPATIBLE("maxim,max11646", max11646),
+	MAX1363_COMPATIBLE("maxim,max11647", max11647),
+	{ /* sentinel */ }
+};
+#endif
+
 static int max1363_probe(struct i2c_client *client,
 			 const struct i2c_device_id *id)
 {
@@ -1523,6 +1575,7 @@ static int max1363_probe(struct i2c_client *client,
 	struct max1363_state *st;
 	struct iio_dev *indio_dev;
 	struct regulator *vref;
+	const struct of_device_id *match;
 
 	indio_dev = devm_iio_device_alloc(&client->dev,
 					  sizeof(struct max1363_state));
@@ -1549,7 +1602,12 @@ static int max1363_probe(struct i2c_client *client,
 	/* this is only used for device removal purposes */
 	i2c_set_clientdata(client, indio_dev);
 
-	st->chip_info = &max1363_chip_info_tbl[id->driver_data];
+	match = of_match_device(of_match_ptr(max1363_of_match),
+				&client->dev);
+	if (match)
+		st->chip_info = of_device_get_match_data(&client->dev);
+	else
+		st->chip_info = &max1363_chip_info_tbl[id->driver_data];
 	st->client = client;
 
 	st->vref_uv = st->chip_info->int_vref_mv * 1000;
@@ -1692,6 +1750,7 @@ MODULE_DEVICE_TABLE(i2c, max1363_id);
 static struct i2c_driver max1363_driver = {
 	.driver = {
 		.name = "max1363",
+		.of_match_table = of_match_ptr(max1363_of_match),
 	},
 	.probe = max1363_probe,
 	.remove = max1363_remove,
-- 
2.5.5