This adds the binding document describing the three hardware blocks related to the Light Pulse Generator found in a wide range of Qualcomm PMICs. Signed-off-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> --- Changes since v9: - "led" child of "multi-led" now needed a patternProperties - use generic "led-controller" and "pwm-controller" in example .../bindings/leds/leds-qcom-lpg.yaml | 173 ++++++++++++++++++ 1 file changed, 173 insertions(+) create mode 100644 Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml diff --git a/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml new file mode 100644 index 000000000000..336bd8e10efd --- /dev/null +++ b/Documentation/devicetree/bindings/leds/leds-qcom-lpg.yaml @@ -0,0 +1,173 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/leds/leds-qcom-lpg.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Qualcomm Light Pulse Generator + +maintainers: + - Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> + +description: > + The Qualcomm Light Pulse Generator consists of three different hardware blocks; + a ramp generator with lookup table, the light pulse generator and a three + channel current sink. These blocks are found in a wide range of Qualcomm PMICs. + +properties: + compatible: + enum: + - qcom,pm8150b-lpg + - qcom,pm8150l-lpg + - qcom,pm8916-pwm + - qcom,pm8941-lpg + - qcom,pm8994-lpg + - qcom,pmc8180c-lpg + - qcom,pmi8994-lpg + - qcom,pmi8998-lpg + + "#pwm-cells": + const: 2 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + qcom,power-source: + $ref: /schemas/types.yaml#/definitions/uint32 + description: + power-source used to drive the output, as defined in the datasheet. + Should be specified if the TRILED block is present + enum: [0, 1, 3] + + qcom,dtest: + $ref: /schemas/types.yaml#/definitions/uint32-matrix + description: > + A list of integer pairs, where each pair represent the dtest line the + particular channel should be connected to and the flags denoting how the + value should be outputed, as defined in the datasheet. The number of + pairs should be the same as the number of channels. + items: + items: + - description: dtest line to attach + - description: flags for the attachment + + multi-led: + type: object + $ref: leds-class-multicolor.yaml# + properties: + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + + patternProperties: + "^led@[0-9a-f]$": + type: object + $ref: common.yaml# + +patternProperties: + "^led@[0-9a-f]$": + type: object + $ref: common.yaml# + + properties: + reg: true + + required: + - reg + +required: + - compatible + +additionalProperties: false + +examples: + - | + #include <dt-bindings/leds/common.h> + + led-controller { + compatible = "qcom,pmi8994-lpg"; + + #address-cells = <1>; + #size-cells = <0>; + + qcom,power-source = <1>; + + qcom,dtest = <0 0>, + <0 0>, + <0 0>, + <4 1>; + + led@1 { + reg = <1>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <1>; + }; + + led@2 { + reg = <2>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <0>; + default-state = "on"; + }; + + led@3 { + reg = <3>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <2>; + }; + + led@4 { + reg = <4>; + color = <LED_COLOR_ID_GREEN>; + function = LED_FUNCTION_INDICATOR; + function-enumerator = <3>; + }; + }; + - | + #include <dt-bindings/leds/common.h> + + led-controller { + compatible = "qcom,pmi8994-lpg"; + + #address-cells = <1>; + #size-cells = <0>; + + qcom,power-source = <1>; + + multi-led { + color = <LED_COLOR_ID_RGB>; + function = LED_FUNCTION_STATUS; + + #address-cells = <1>; + #size-cells = <0>; + + led@1 { + reg = <1>; + color = <LED_COLOR_ID_RED>; + }; + + led@2 { + reg = <2>; + color = <LED_COLOR_ID_GREEN>; + }; + + led@3 { + reg = <3>; + color = <LED_COLOR_ID_BLUE>; + }; + }; + }; + - | + pwm-controller { + compatible = "qcom,pm8916-pwm"; + #pwm-cells = <2>; + }; +... -- 2.29.2
