72 lines
1.7 KiB
Text
72 lines
1.7 KiB
Text
Qualcomm Technologies, Inc. TRI_LED driver specific bindings
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This binding document describes the properties of TRI_LED module in
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Qualcomm Technologies, Inc. PMIC chips.
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- compatible:
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Usage: required
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Value type: <string>
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Definition: Must be "qcom,tri-led".
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- reg:
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Usage: required
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Value type: <u32>
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Definition: Register base of the TRI_LED module.
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- nvmem-names:
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Usage: optional
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Value type: <string>
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Definition: Nvmem device name for SDAM to do PBS trigger. It must be
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defined as "pbs_sdam". This is required only for HR_LEDs.
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- nvmem:
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Usage: optional
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Value type: <phandle>
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Definition: Phandle of the nvmem device name to access SDAM to do PBS
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trigger. This is required only for HR_LEDs.
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Properties for child nodes:
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- pwms:
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Usage: required
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Value type: <prop-encoded-array>
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Definition: The PWM device (phandle) used for controlling LED.
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- led-sources:
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Usage: required
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Value type: <prop-encoded-array>
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Definition: see Documentation/devicetree/bindings/leds/common.txt;
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Device current output identifiers are: 0 - LED1_EN,
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1 - LED2_EN, 2 - LED3_EN.
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- label:
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Usage: optional
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Value type: <string>
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Definition: see Documentation/devicetree/bindings/leds/common.txt;
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- linux,default-trigger:
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Usage: optional
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Value_type: <string>
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Definition: see Documentation/devicetree/bindings/leds/common.txt;
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Example:
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pmi8998_rgb: tri-led@d000{
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compatible = "qcom,tri-led";
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reg = <0xd000>;
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red {
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label = "red";
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pwms = <&pmi8998_lpg 4 1000000>;
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led-sources = <0>;
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};
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green {
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label = "green";
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pwms = <&pmi8998_lpg 3 1000000>;
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led-sources = <1>;
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};
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blue {
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label = "blue";
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pwms = <&pmi8998_lpg 2 1000000>;
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led-sources = <2>;
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};
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};
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