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path: root/drivers/hwmon/sht3x.c
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Diffstat (limited to 'drivers/hwmon/sht3x.c')
-rw-r--r--drivers/hwmon/sht3x.c28
1 files changed, 25 insertions, 3 deletions
diff --git a/drivers/hwmon/sht3x.c b/drivers/hwmon/sht3x.c
index 6ea99cd..8b4fa9e 100644
--- a/drivers/hwmon/sht3x.c
+++ b/drivers/hwmon/sht3x.c
@@ -31,6 +31,7 @@
#include <linux/slab.h>
#include <linux/jiffies.h>
#include <linux/platform_data/sht3x.h>
+#include <linux/of.h>
/* commands (high precision mode) */
static const unsigned char sht3x_cmd_measure_blocking_hpm[] = { 0x2c, 0x06 };
@@ -699,6 +700,7 @@ static int sht3x_probe(struct i2c_client *client,
struct i2c_adapter *adap = client->adapter;
struct device *dev = &client->dev;
const struct attribute_group **attribute_groups;
+ struct device_node *np = client->dev.of_node;
/*
* we require full i2c support since the sht3x uses multi-byte read and
@@ -724,8 +726,16 @@ static int sht3x_probe(struct i2c_client *client,
data->client = client;
crc8_populate_msb(sht3x_crc8_table, SHT3X_CRC8_POLYNOMIAL);
- if (client->dev.platform_data)
- data->setup = *(struct sht3x_platform_data *)dev->platform_data;
+ if (np) {
+ if (of_property_read_bool(np, "sensirion,blocking-io"))
+ data->setup.blocking_io = true;
+ if (of_property_read_bool(np, "sensirion,no-high-precision"))
+ data->setup.high_precision = false;
+ } else {
+ if (client->dev.platform_data)
+ data->setup = *(struct sht3x_platform_data *)
+ dev->platform_data;
+ }
sht3x_select_command(data);
@@ -761,8 +771,20 @@ static const struct i2c_device_id sht3x_ids[] = {
MODULE_DEVICE_TABLE(i2c, sht3x_ids);
+#ifdef CONFIG_OF
+static const struct of_device_id sht3x_dt_match[] = {
+ { .compatible = "sensirion,sht3x" },
+ { .compatible = "sensirion,sts3x" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, sht3x_dt_match);
+#endif
+
static struct i2c_driver sht3x_i2c_driver = {
- .driver.name = "sht3x",
+ .driver = {
+ .name = "sht3x",
+ .of_match_table = of_match_ptr(sht3x_dt_match),
+ },
.probe = sht3x_probe,
.id_table = sht3x_ids,
};