diff options
Diffstat (limited to 'Documentation/devicetree/bindings/leds')
3 files changed, 81 insertions, 16 deletions
diff --git a/Documentation/devicetree/bindings/leds/leds-lm3692x.txt b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt new file mode 100644 index 000000000000..6c9074f84a51 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-lm3692x.txt @@ -0,0 +1,49 @@ +* Texas Instruments - LM3692x Highly Efficient White LED Driver + +The LM3692x is an ultra-compact, highly efficient, +white-LED driver designed for LCD display backlighting. + +The main difference between the LM36922 and LM36923 is the number of +LED strings it supports. The LM36922 supports two strings while the LM36923 +supports three strings. + +Required properties: + - compatible: + "ti,lm36922" + "ti,lm36923" + - 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 + +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,lm3692x"; + reg = <0x36>; + #address-cells = <1>; + #size-cells = <0>; + + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; + vled-supply = <&vbatt>; + + led@0 { + reg = <0>; + label = "white:backlight_cluster"; + linux,default-trigger = "backlight"; + }; +} + +For more product information please see the link below: +http://www.ti.com/lit/ds/snvsa29/snvsa29.pdf diff --git a/Documentation/devicetree/bindings/leds/leds-lp8860.txt b/Documentation/devicetree/bindings/leds/leds-lp8860.txt index aad38dd94d4b..5f0e892ad759 100644 --- a/Documentation/devicetree/bindings/leds/leds-lp8860.txt +++ b/Documentation/devicetree/bindings/leds/leds-lp8860.txt @@ -6,23 +6,39 @@ current sinks that can be controlled by a PWM input signal, a SPI/I2C master, or both. Required properties: - - compatible: + - compatible : "ti,lp8860" - - reg - I2C slave address - - label - Used for naming LEDs + - reg : I2C slave address + - #address-cells : 1 + - #size-cells : 0 Optional properties: - - enable-gpio - gpio pin to enable/disable the device. - - supply - "vled" - LED supply + - enable-gpios : gpio pin to enable (active high)/disable the device. + - vled-supply : LED supply + +Required child properties: + - reg : 0 + +Optional child properties: + - label : see Documentation/devicetree/bindings/leds/common.txt + - linux,default-trigger : + see Documentation/devicetree/bindings/leds/common.txt Example: -leds: leds@6 { +led-controller@2d { compatible = "ti,lp8860"; + #address-cells = <1>; + #size-cells = <0>; reg = <0x2d>; - label = "display_cluster"; - enable-gpio = <&gpio1 28 GPIO_ACTIVE_HIGH>; + enable-gpios = <&gpio1 28 GPIO_ACTIVE_HIGH>; vled-supply = <&vbatt>; + + led@0 { + reg = <0>; + label = "white:backlight"; + linux,default-trigger = "backlight"; + }; } For more product information please see the link below: diff --git a/Documentation/devicetree/bindings/leds/register-bit-led.txt b/Documentation/devicetree/bindings/leds/register-bit-led.txt index 59b56365f648..cf1ea403ba7a 100644 --- a/Documentation/devicetree/bindings/leds/register-bit-led.txt +++ b/Documentation/devicetree/bindings/leds/register-bit-led.txt @@ -32,7 +32,7 @@ syscon: syscon@10000000 { compatible = "arm,realview-pb1176-syscon", "syscon"; reg = <0x10000000 0x1000>; - led@08.0 { + led@8.0 { compatible = "register-bit-led"; offset = <0x08>; mask = <0x01>; @@ -40,7 +40,7 @@ syscon: syscon@10000000 { linux,default-trigger = "heartbeat"; default-state = "on"; }; - led@08.1 { + led@8.1 { compatible = "register-bit-led"; offset = <0x08>; mask = <0x02>; @@ -48,7 +48,7 @@ syscon: syscon@10000000 { linux,default-trigger = "mmc0"; default-state = "off"; }; - led@08.2 { + led@8.2 { compatible = "register-bit-led"; offset = <0x08>; mask = <0x04>; @@ -56,35 +56,35 @@ syscon: syscon@10000000 { linux,default-trigger = "cpu0"; default-state = "off"; }; - led@08.3 { + led@8.3 { compatible = "register-bit-led"; offset = <0x08>; mask = <0x08>; label = "versatile:3"; default-state = "off"; }; - led@08.4 { + led@8.4 { compatible = "register-bit-led"; offset = <0x08>; mask = <0x10>; label = "versatile:4"; default-state = "off"; }; - led@08.5 { + led@8.5 { compatible = "register-bit-led"; offset = <0x08>; mask = <0x20>; label = "versatile:5"; default-state = "off"; }; - led@08.6 { + led@8.6 { compatible = "register-bit-led"; offset = <0x08>; mask = <0x40>; label = "versatile:6"; default-state = "off"; }; - led@08.7 { + led@8.7 { compatible = "register-bit-led"; offset = <0x08>; mask = <0x80>; |