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dt-bindings: leds: Add SC27xx breathing light controller documentation

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This patch adds the binding documentation for Spreadtrum SC27xx series
breathing light controller, which supports 3 outputs: red LED, green
LED and blue LED.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
This commit is contained in:
Baolin Wang 2018-05-14 14:34:50 +08:00 committed by Jacek Anaszewski
parent d54e5b5222
commit a0258db6c9
1 changed files with 41 additions and 0 deletions
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Documentation/devicetree/bindings/leds/leds-sc27xx-bltc.txt Normal file
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LEDs connected to Spreadtrum SC27XX PMIC breathing light controller
The SC27xx breathing light controller supports to 3 outputs:
red LED, green LED and blue LED. Each LED can work at normal
PWM mode or breath light mode.
Required properties:
- compatible: Should be "sprd,sc2731-bltc".
- #address-cells: Must be 1.
- #size-cells: Must be 0.
- reg: Specify the controller address.
Required child properties:
- reg: Port this LED is connected to.
Optional child properties:
- label: See Documentation/devicetree/bindings/leds/common.txt.
Examples:
led-controller@200 {
compatible = "sprd,sc2731-bltc";
#address-cells = <1>;
#size-cells = <0>;
reg = <0x200>;
led@0 {
label = "red";
reg = <0x0>;
};
led@1 {
label = "green";
reg = <0x1>;
};
led@2 {
label = "blue";
reg = <0x2>;
};
};