Re: [PATCH v3 1/2] dt: bindings: lm3692x: Add bindings for lm3692x LED driver

From: Dan Murphy
Date: Thu Nov 16 2017 - 10:46:11 EST


Rob

Thanks for the review

On 11/16/2017 09:41 AM, Rob Herring wrote:
> On Wed, Nov 15, 2017 at 01:42:02PM -0600, Dan Murphy wrote:
>> This adds the devicetree bindings for the LM3692x
>> I2C LED string driver.
>>
>> Acked-by: Pavel Machek <pavel@xxxxxx>
>> Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
>> ---
>>
>> v3 - No changes
>> v2 - No changes - https://patchwork.kernel.org/patch/10056677/
>>
>> .../devicetree/bindings/leds/leds-lm3692x.txt | 28 ++++++++++++++++++++++
>> 1 file changed, 28 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/leds/leds-lm3692x.txt
>>
>> diff --git a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
>> new file mode 100644
>> index 000000000000..cfef67bd4100
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt
>> @@ -0,0 +1,28 @@
>> +* Texas Instruments - LM3692x Highly Efficient Dual-String White LED Driver
>> +
>> +The LM36922 is an ultra-compact, highly efficient,
>> +two string white-LED driver designed for LCD display
>> +backlighting.
>> +
>> +Required properties:
>> + - compatible:
>> + "ti,lm3692x"
>
> Don't use wildcards in compatible strings.

Do you mean to remove the x? How do we denote a family of parts then?

>
>> + - reg - I2C slave address
>> +
>> +Optional properties:
>> + - label - Used for naming LEDs
>> + - enable-gpio - gpio pin to enable/disable the device.
>
> enable-gpios is the preferred form.

ack

>
>> + - supply - "vled" - LED supply
>
> vled-supply - ...
>

ack

>> +
>> +Example:
>> +
>> +leds: leds@6 {
>> + compatible = "ti,lm3692x";
>> + reg = <0x36>;
>> + label = "backlight_cluster";
>> + enable-gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>;
>> + vled-supply = <&vbatt>;
>> +}
>> +
>> +For more product information please see the link below:
>> +http://www.ti.com/lit/ds/snvsa29/snvsa29.pdf
>> --
>> 2.15.0.124.g7668cbc60
>>


--
------------------
Dan Murphy