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| author | Chris Ruehl <chris.ruehl@gtsys.com.hk> | 2020-08-15 09:22:26 +0800 |
|---|---|---|
| committer | Guenter Roeck <linux@roeck-us.net> | 2020-09-23 09:42:40 -0700 |
| commit | be7373b60df5020c00dfac4db185a6b4e9f98395 (patch) | |
| tree | bd25f285ff87d7e6f850fc7018f471d4f5cba3cc /drivers/hwmon/shtc1.c | |
| parent | 65b2aad0699b3915cc3a5afee0a382eda0fc93b5 (diff) | |
| download | lwn-be7373b60df5020c00dfac4db185a6b4e9f98395.tar.gz lwn-be7373b60df5020c00dfac4db185a6b4e9f98395.zip | |
hwmon: shtc1: add support for device tree bindings
Add support for DTS bindings for the sensirion shtc1,shtw1 and shtc3.
Signed-off-by: Chris Ruehl <chris.ruehl@gtsys.com.hk>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Link: https://lore.kernel.org/r/20200815012227.32538-2-chris.ruehl@gtsys.com.hk
[groeck: Resolved conflicts]
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Diffstat (limited to 'drivers/hwmon/shtc1.c')
| -rw-r--r-- | drivers/hwmon/shtc1.c | 25 |
1 files changed, 22 insertions, 3 deletions
diff --git a/drivers/hwmon/shtc1.c b/drivers/hwmon/shtc1.c index 288fd0b4c4d3..18546ebc8e9f 100644 --- a/drivers/hwmon/shtc1.c +++ b/drivers/hwmon/shtc1.c @@ -14,6 +14,7 @@ #include <linux/err.h> #include <linux/delay.h> #include <linux/platform_data/shtc1.h> +#include <linux/of.h> /* commands (high precision mode) */ static const unsigned char shtc1_cmd_measure_blocking_hpm[] = { 0x7C, 0xA2 }; @@ -197,6 +198,7 @@ static int shtc1_probe(struct i2c_client *client) enum shtcx_chips chip = i2c_match_id(shtc1_id, client)->driver_data; struct i2c_adapter *adap = client->adapter; struct device *dev = &client->dev; + struct device_node *np = dev->of_node; if (!i2c_check_functionality(adap, I2C_FUNC_I2C)) { dev_err(dev, "plain i2c transactions not supported\n"); @@ -234,8 +236,14 @@ static int shtc1_probe(struct i2c_client *client) data->client = client; data->chip = chip; - if (client->dev.platform_data) - data->setup = *(struct shtc1_platform_data *)dev->platform_data; + if (np) { + data->setup.blocking_io = of_property_read_bool(np, "sensirion,blocking-io"); + data->setup.high_precision = !of_property_read_bool(np, "sensicon,low-precision"); + } else { + if (client->dev.platform_data) + data->setup = *(struct shtc1_platform_data *)dev->platform_data; + } + shtc1_select_command(data); mutex_init(&data->update_lock); @@ -258,8 +266,19 @@ static const struct i2c_device_id shtc1_id[] = { }; MODULE_DEVICE_TABLE(i2c, shtc1_id); +static const struct of_device_id shtc1_of_match[] = { + { .compatible = "sensirion,shtc1" }, + { .compatible = "sensirion,shtw1" }, + { .compatible = "sensirion,shtc3" }, + { } +}; +MODULE_DEVICE_TABLE(of, shtc1_of_match); + static struct i2c_driver shtc1_i2c_driver = { - .driver.name = "shtc1", + .driver = { + .name = "shtc1", + .of_match_table = shtc1_of_match, + }, .probe_new = shtc1_probe, .id_table = shtc1_id, }; |