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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-03 12:11:44 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-03 12:11:44 -0700 |
| commit | e897f267c51812bfecec45771a2d835c1a2bdacf (patch) | |
| tree | 5a612f852ac0f34835f1afc592a68b67a848e97f /Documentation/devicetree | |
| parent | 221656e7c4ce342b99c31eca96c1cbb6d1dce45f (diff) | |
| parent | e739c5bb20bebb74028d9262255dc1e470b60fcf (diff) | |
Merge tag 'backlight-next-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight
Pull backlight update from Lee Jones:
"New Arctic Sand ARC2C0608 LED Backlight driver"
* tag 'backlight-next-4.12' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
backlight: Add support for Arctic Sand LED backlight driver chips
dt-bindings: backlight: arcxcnn: Supply bindings for Arctic Sand backlight
Diffstat (limited to 'Documentation/devicetree')
| -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>; +}; + |