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

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Message-ID: <cb5c5a65-d5a0-86a3-36b4-cf06baae9ec4@gmail.com>
Date:   Wed, 15 Nov 2017 21:15:29 +0100
From:   Jacek Anaszewski <jacek.anaszewski@...il.com>
To:     Dan Murphy <dmurphy@...com>
Cc:     robh+dt@...nel.org, mark.rutland@....com, rpurdie@...ys.net,
        pavel@....cz, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-leds@...r.kernel.org,
        Lee Jones <lee.jones@...aro.org>,
        Daniel Thompson <daniel.thompson@...aro.org>,
        Jingoo Han <jingoohan1@...il.com>
Subject: Re: [PATCH v3 1/2] dt: bindings: lm3692x: Add bindings for lm3692x
 LED driver

Hi Dan,

Thanks for the patch.

On 11/15/2017 08:42 PM, Dan Murphy wrote:
> This adds the devicetree bindings for the LM3692x
> I2C LED string driver.
> 
> Acked-by: Pavel Machek <pavel@....cz>
> Signed-off-by: Dan Murphy <dmurphy@...com>
> ---
> 
> 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.

Shouldn't the driver be targeted for backlight subsystem then?

Adding backlight maintainers.

Best regards,
Jacek Anaszewski

> +Required properties:
> +	- compatible:
> +		"ti,lm3692x"
> +	- reg -  I2C slave address
> +
> +Optional properties:
> +	- label - Used for naming LEDs
> +	- enable-gpio - gpio pin to enable/disable the device.
> +	- supply - "vled" - LED supply
> +
> +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
>