Add support for the TI LM3633 LED driver. This device has 9 control banks 3 high voltage LED channels and 6 low voltage LED channels.
Data sheet: http://www.ti.com/lit/ds/symlink/lm3633.pdf Signed-off-by: Dan Murphy <[email protected]> --- .../devicetree/bindings/leds/leds-lm3633.txt | 69 +++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-lm3633.txt diff --git a/Documentation/devicetree/bindings/leds/leds-lm3633.txt b/Documentation/devicetree/bindings/leds/leds-lm3633.txt new file mode 100644 index 000000000000..19571ad251ea --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lm3633.txt @@ -0,0 +1,69 @@ +* Texas Instruments - LM3633 Lighting Power Solution for Smartphone Handsets + +The LM3633 is a complete power source for +backlight, keypad, and indicator LEDs in smartphone +handsets. + +This device is suitable for display and keypad Lighting + +Required properties: + - compatible: + "ti,lm3633" + - 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 - HVLED is Controlled by bank A + 1 - HVLED is Controlled by bank B + 2,3,4 - LVLED1, 2 and 3 are Controlled by bank C, D and E + 5,6,7 - LVLED4, 5 and 6 are Controlled by bank F, G and H + - led-sources : Indicates which LED string is associated to which + control bank. + 0 - LED is not active in this control bank + 1 - LED 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: + +led-controller@36 { + compatible = "ti,lm3633"; + 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"; + }; + + led@2 { + reg = <2>; + led-sources = <0 1 0>; + label = "white:indicator1"; + }; + +} + +For more product information please see the link below: +http://www.ti.com/lit/ds/symlink/lm3633.pdf -- 2.19.0
