Hi Dan, Thanks for the update. I have one remark below. On 08/16/2018 07:20 PM, Dan Murphy wrote: > Add the device tree bindings for the lm3697 > LED driver for backlighting and display. > > Signed-off-by: Dan Murphy <dmurphy@xxxxxx> > --- > > v4 - Removed HVLED definition in favor of HVLED place definition - https://lore.kernel.org/patchwork/patch/974812/ > v3 - Updated subject with prefered title - https://lore.kernel.org/patchwork/patch/972337/ > v2 - Fixed subject and patch commit message - https://lore.kernel.org/patchwork/patch/971326/ > > .../devicetree/bindings/leds/leds-lm3697.txt | 86 +++++++++++++++++++ > 1 file changed, 86 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..bcd67d53c889 > --- /dev/null > +++ b/Documentation/devicetree/bindings/leds/leds-lm3697.txt > @@ -0,0 +1,86 @@ > +* 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 > + > +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 > + - led-sources : Indicates which HVLED string is associated to which > + control bank. Each element in the array is associated > + with a specific HVLED string. Element 0 is HVLED1, > + element 1 is HVLED2 and element 2 HVLED3. > + Additional information is contained > + in Documentation/devicetree/bindings/leds/common.txt > + 0 - HVLED is not active in this control bank > + 1 - HVLED string is controlled by this control bank > + > +Optional child properties: > + - label : see Documentation/devicetree/bindings/leds/common.txt > + - linux,default-trigger : > + see Documentation/devicetree/bindings/leds/common.txt > + > +Example: > + > +HVLED string 1 and 2 controlled by control bank A and HVLED string controlled by s/1 and 2/1 and 3/ s/HVLED string controller/HVLED string 2 controlled/ > +control bank B. > + > +led-controller@36 { > + compatible = "ti,lm3967"; > + reg = <0x36>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; > + vled-supply = <&vbatt>; > + > + led@0 { > + reg = <0>; > + led-sources = <1 0 1>; > + label = "white:first_backlight_cluster"; > + linux,default-trigger = "backlight"; > + }; > + > + led@1 { > + reg = <1>; > + led-sources = <0 1 0>; > + label = "white:second_backlight_cluster"; > + linux,default-trigger = "backlight"; > + }; > +} > + > +All HVLED strings controlled by control bank A > + > +led-controller@36 { > + compatible = "ti,lm3967"; > + reg = <0x36>; > + #address-cells = <1>; > + #size-cells = <0>; > + > + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; > + vled-supply = <&vbatt>; > + > + led@0 { > + reg = <0>; > + led-sources = <1 1 1>; > + label = "white:backlight_cluster"; > + linux,default-trigger = "backlight"; > + }; > +} > + > +For more product information please see the link below: > +http://www.ti.com/lit/ds/symlink/lm3697.pdf > -- Best regards, Jacek Anaszewski
