* Re: [PATCH v3 1/2] hwmon: shtc1: add support for device tree bindings
@ 2020-07-07 13:35 Guenter Roeck
0 siblings, 0 replies; 2+ messages in thread
From: Guenter Roeck @ 2020-07-07 13:35 UTC (permalink / raw)
To: Chris Ruehl; +Cc: Jack Lo, devicetree, Jean Delvare, linux-hwmon, linux-kernel
On Tue, Jul 07, 2020 at 04:01:02PM +0800, Chris Ruehl wrote:
> Add support for DTS bindings for the sensirion shtc1,shtw1 and shtc3.
>
> Signed-off-by: Chris Ruehl <chris.ruehl@gtsys.com.hk>
For my reference:
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Waiting for feedback/approval from DT maintainers.
Thanks,
Guenter
> ---
> drivers/hwmon/shtc1.c | 25 ++++++++++++++++++++++---
> 1 file changed, 22 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/hwmon/shtc1.c b/drivers/hwmon/shtc1.c
> index a0078ccede03..827d421b2b8f 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 };
> @@ -196,6 +197,7 @@ static int shtc1_probe(struct i2c_client *client,
> enum shtcx_chips chip = id->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");
> @@ -233,8 +235,14 @@ 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);
>
> @@ -257,8 +265,19 @@ 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 = shtc1_probe,
> .id_table = shtc1_id,
> };
> --
> 2.20.1
>
^ permalink raw reply [flat|nested] 2+ messages in thread
* [PATCH v3 1/2] hwmon: shtc1: add support for device tree bindings
2020-07-07 8:01 [PATCH v3 0/2] " Chris Ruehl
@ 2020-07-07 8:01 ` Chris Ruehl
0 siblings, 0 replies; 2+ messages in thread
From: Chris Ruehl @ 2020-07-07 8:01 UTC (permalink / raw)
To: Chris Ruehl
Cc: Jack Lo, devicetree, Jean Delvare, Guenter Roeck, linux-hwmon,
linux-kernel
Add support for DTS bindings for the sensirion shtc1,shtw1 and shtc3.
Signed-off-by: Chris Ruehl <chris.ruehl@gtsys.com.hk>
---
drivers/hwmon/shtc1.c | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/drivers/hwmon/shtc1.c b/drivers/hwmon/shtc1.c
index a0078ccede03..827d421b2b8f 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 };
@@ -196,6 +197,7 @@ static int shtc1_probe(struct i2c_client *client,
enum shtcx_chips chip = id->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");
@@ -233,8 +235,14 @@ 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);
@@ -257,8 +265,19 @@ 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 = shtc1_probe,
.id_table = shtc1_id,
};
--
2.20.1
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2020-07-07 8:01 [PATCH v3 0/2] " Chris Ruehl
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