Add the device tree bindings for the lm3697 led driver for backlighting and display. Signed-off-by: Dan Murphy <dmurphy@xxxxxx> --- v2 - Fixed subject and patch commit message - https://lore.kernel.org/patchwork/patch/971326/ .../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 -- 2.17.0.582.gccdcbd54c -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
