diff mbox series

[v2,1/2] dt-bindings: iio: light: bh1750: Add device tree binding documentation

Message ID 20180922195922.24791-1-decatf@gmail.com
State Superseded, archived
Headers show
Series [v2,1/2] dt-bindings: iio: light: bh1750: Add device tree binding documentation | expand

Commit Message

Robert Yang Sept. 22, 2018, 7:59 p.m. UTC
Document device tree bindings for ROHM BH1750 ambient light sensor driver.

Signed-off-by: ryang <decatf@gmail.com>
---
 .../devicetree/bindings/iio/light/bh1750.txt   | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/iio/light/bh1750.txt

Comments

Robert Yang Sept. 22, 2018, 8:34 p.m. UTC | #1
On Sat, Sep 22, 2018 at 03:59:22PM -0400, ryang wrote:
> Add device tree support for ROHM BH1750 series ambient light sensors.
> 
> Signed-off-by: ryang <decatf@gmail.com>
> ---
> Changes in v2:
>      - Export module device table
> 
>  drivers/iio/light/bh1750.c | 11 +++++++++++
>  1 file changed, 11 insertions(+)
> 
> diff --git a/drivers/iio/light/bh1750.c b/drivers/iio/light/bh1750.c
> index c3a481452b67..ffe2e6d9c2e4 100644
> --- a/drivers/iio/light/bh1750.c
> +++ b/drivers/iio/light/bh1750.c
> @@ -307,9 +307,20 @@ static const struct i2c_device_id bh1750_id[] = {
>  };
>  MODULE_DEVICE_TABLE(i2c, bh1750_id);
>  
> +static const struct of_device_id bh1750_of_match[] = {
> +	{ .compatible = "rohm,bh1710", },
> +	{ .compatible = "rohm,bh1715", },
> +	{ .compatible = "rohm,bh1721", },
> +	{ .compatible = "rohm,bh1750", },
> +	{ .compatible = "rohm,bh1751", },
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, bh1750_of_match);
> +
>  static struct i2c_driver bh1750_driver = {
>  	.driver = {
>  		.name = "bh1750",
> +		.of_match_table = of_match_ptr(bh1750_of_match),

Jonathan,

Don't take this patch. I realized that of_match_ptr is NULL when _not_
using CONFIG_OF. So that macro shouldn't be used. Apologies for the bit
of mess. I'll send a V3 shortly.

>  		.pm = &bh1750_pm_ops,
>  	},
>  	.probe = bh1750_probe,
> -- 
> 2.17.1
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/iio/light/bh1750.txt b/Documentation/devicetree/bindings/iio/light/bh1750.txt
new file mode 100644
index 000000000000..468350cc7af6
--- /dev/null
+++ b/Documentation/devicetree/bindings/iio/light/bh1750.txt
@@ -0,0 +1,18 @@ 
+ROHM BH1750 - ALS, Ambient light sensor
+
+Required properties:
+
+- compatible: Must be one of:
+    "rohm,bh1710"
+    "rohm,bh1715"
+    "rohm,bh1721"
+    "rohm,bh1750"
+    "rohm,bh1751"
+- reg: the I2C address of the sensor
+
+Example:
+
+bh1750@23 {
+	compatible = "rohm,bh1750";
+	reg = <0x23>;
+};