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| author | Olimpiu Dejeu <olimpiu@arcticsand.com> | 2017-03-21 12:58:47 -0400 |
|---|---|---|
| committer | Lee Jones <lee.jones@linaro.org> | 2017-04-25 09:21:04 +0100 |
| commit | ce9d22573d85341c987f997461ac712e4dbe47b1 (patch) | |
| tree | d7f176adab2b0b5810fbe24a793ad8e441bde944 /Documentation/devicetree/bindings/leds | |
| parent | c1ae3cfa0e89fa1a7ecc4c99031f5e9ae99d9201 (diff) | |
| download | blackbird-obmc-linux-ce9d22573d85341c987f997461ac712e4dbe47b1.tar.gz blackbird-obmc-linux-ce9d22573d85341c987f997461ac712e4dbe47b1.zip | |
dt-bindings: backlight: arcxcnn: Supply bindings for Arctic Sand backlight
Signed-off-by: Olimpiu Dejeu <olimpiu@arcticsand.com>
Acked-by: Rob Herring <robh@kernel.org>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'Documentation/devicetree/bindings/leds')
| -rw-r--r-- | Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt b/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt new file mode 100644 index 000000000000..230abdefd6e7 --- /dev/null +++ b/Documentation/devicetree/bindings/leds/backlight/arcxcnn_bl.txt @@ -0,0 +1,33 @@ +Binding for ArcticSand arc2c0608 LED driver + +Required properties: +- compatible: should be "arc,arc2c0608" +- reg: slave address + +Optional properties: +- default-brightness: brightness value on boot, value from: 0-4095 +- label: The name of the backlight device + See Documentation/devicetree/bindings/leds/common.txt +- led-sources: List of enabled channels from 0 to 5. + See Documentation/devicetree/bindings/leds/common.txt + +- arc,led-config-0: setting for register ILED_CONFIG_0 +- arc,led-config-1: setting for register ILED_CONFIG_1 +- arc,dim-freq: PWM mode frequence setting (bits [3:0] used) +- arc,comp-config: setting for register CONFIG_COMP +- arc,filter-config: setting for register FILTER_CONFIG +- arc,trim-config: setting for register IMAXTUNE + +Note: Optional properties not specified will default to values in IC EPROM + +Example: + +arc2c0608@30 { + compatible = "arc,arc2c0608"; + reg = <0x30>; + default-brightness = <500>; + label = "lcd-backlight"; + linux,default-trigger = "backlight"; + led-sources = <0 1 2 5>; +}; + |
