Hi Dan,
Thank you for the patch.
Typo in the patch title:
s/di: /dt-/
And maybe let's change the following text to:
"Add bindings for lm3697 LED driver"
Best regards,
Jacek Anaszewski
On 08/03/2018 05:02 PM, Dan Murphy wrote:
> Introduce the device tree bindings for the lm3697
> led driver for backlighting and display.
>
> Signed-off-by: Dan Murphy <dmurphy@xxxxxx>
> ---
> .../devicetree/bindings/leds/leds-lm3697.txt | 64 +++++++++++++++++++
> 1 file changed, 64 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/leds/leds-lm3697.txt
>
> diff --git a/Documentation/devicetree/bindings/leds/leds-lm3697.txt b/Documentation/devicetree/bindings/leds/leds-lm3697.txt
> new file mode 100644
> index 000000000000..7b8e490f1ea1
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/leds/leds-lm3697.txt
> @@ -0,0 +1,64 @@
> +* Texas Instruments - LM3697 Highly Efficient White LED Driver
> +
> +The LM3697 11-bit LED driver provides high-
> +performance backlight dimming for 1, 2, or 3 series
> +LED strings while delivering up to 90% efficiency.
> +
> +This device is suitable for Display and Keypad Lighting
> +
> +Required properties:
> + - compatible:
> + "ti,lm3967"
> + - reg : I2C slave address
> + - #address-cells : 1
> + - #size-cells : 0
> + - control-bank-cfg - : Indicates which sink is connected to which control bank
> + 0 - All HVLED outputs are controlled by bank A
> + 1 - HVLED1 is controlled bank B, HVLED2/3 are controlled by bank A
> + 2 - HVLED2 is controlled bank B, HVLED1/3 are controlled by bank A
> + 3 - HVLED1/2 are controlled by bank B, HVLED3 is controlled by bank A
> + 4 - HVLED3 is controlled by bank B, HVLED1/2 are controlled by bank A
> + 5 - HVLED1/3 is controlled by bank B, HVLED2 is controlled by bank A
> + 6 - (default) HVLED1 is controlled by bank A, HVLED2/3 are controlled by bank B
> + 7 - All HVLED outputs are controlled by bank B
> +
> +Optional properties:
> + - enable-gpios : gpio pin to enable/disable the device.
> + - vled-supply : LED supply
> +
> +Required child properties:
> + - reg : 0 - LED is Controlled by bank A
> + 1 - LED is Controlled by bank B
> +
> +Optional child properties:
> + - label : see Documentation/devicetree/bindings/leds/common.txt
> + - linux,default-trigger :
> + see Documentation/devicetree/bindings/leds/common.txt
> +
> +Example:
> +
> +led-controller@36 {
> + compatible = "ti,lm3967";
> + reg = <0x36>;
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>;
> + vled-supply = <&vbatt>;
> + control-bank-cfg = <0>;
> +
> + led@0 {
> + reg = <0>;
> + label = "white:first_backlight_cluster";
> + linux,default-trigger = "backlight";
> + };
> +
> + led@1 {
> + reg = <1>;
> + label = "white:second_backlight_cluster";
> + linux,default-trigger = "frontlight";
> + };
> +}
> +
> +For more product information please see the link below:
> +http://www.ti.com/lit/ds/symlink/lm3697.pdf
>
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