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@heig-vd.ch>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/adc/max1363.c b/drivers/iio/adc/max1363.c
index 73af306846571a80758fc3496c5d6415c9956cce..3b53c2e3a891bad7f311af8da472598b911bbc2d 100644 (file)
--- 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>
@@ -1517,6 +1519,56 @@ 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)
 {
@@ -1524,6 +1576,7 @@ 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));
@@ -1550,7 +1603,12 @@ 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;
@@ -1693,6 +1751,7 @@ 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,