76 lines
2.1 KiB
Plaintext
76 lines
2.1 KiB
Plaintext
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Binding for RGB LEDs connected to AW2013.
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AWINIC AW2013 RGB LED driver is used to provide red/green/blue
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led blink or glowing to notify user for different system events,
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such as missed call, new sms, low battery. AW2013 RGB LED is
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connected through I2C.
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Required properties:
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- compatible : should be compatible = "awinic,aw2013"
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- reg : i2c slave address of the device
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- vdd-supply : Power supply needed to power up the device
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- vcc-supply : Power source required to power up i2c bus
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LED required sub-node properties:
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- aw2013,name : name of the LED
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- aw2013,id : id of the LED
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- aw2013,max-brightness: max brightness set of the LED
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- aw2013,max-current : max current set of the LED
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- aw2013,rise-time-ms : the rise time when led in breathe mode
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- aw2013,hold-time-ms : the hold time when led in breathe mode
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- aw2013,fall-time-ms : the fall time when led in breathe mode
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- aw2013,off-time-ms : the off time when led in breathe mode
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The definition of each time described as
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shown in figure:
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/-----------\
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/ | \
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/| | |\
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/ | | | \-----------
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|hold_time_ms | |
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rise_time_ms fall_time_ms |
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off_time_ms
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Example:
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aw2013@45 {
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compatible = "awinic,aw2013";
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reg = <0x45>;
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vdd-supply = <&pm8909_l17>;
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vcc-supply = <&pm8909_l6>;
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aw2013,red {
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aw2013,name = "red";
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aw2013,id = <0>;
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aw2013,max-brightness = <255>;
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aw2013,max-current = <1>;
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aw2013,rise-time-ms = <2>;
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aw2013,hold-time-ms = <1>;
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aw2013,fall-time-ms = <2>;
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aw2013,off-time-ms = <1>;
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};
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aw2013,green {
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aw2013,name = "green";
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aw2013,id = <1>;
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aw2013,max-brightness = <255>;
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aw2013,max-current = <1>;
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aw2013,rise-time-ms = <2>;
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aw2013,hold-time-ms = <1>;
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aw2013,fall-time-ms = <2>;
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aw2013,off-time-ms = <1>;
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};
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aw2013,blue {
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aw2013,name = "blue";
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aw2013,id = <2>;
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aw2013,max-brightness = <255>;
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aw2013,max-current = <1>;
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aw2013,rise-time-ms = <2>;
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aw2013,hold-time-ms = <1>;
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aw2013,fall-time-ms = <2>;
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aw2013,off-time-ms = <1>;
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};
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};
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