# 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 description: > The Qualcomm Light Pulse Generator consists of three different hardware blocks; a ramp generator with lookup table (LUT), the light pulse generator and a three channel current sink. These blocks are found in a wide range of Qualcomm PMICs. properties: compatible: oneOf: - enum: - qcom,pm660l-lpg - qcom,pm8150b-lpg - qcom,pm8150l-lpg - qcom,pm8350c-pwm - qcom,pm8916-pwm - qcom,pm8941-lpg - qcom,pm8994-lpg - qcom,pmc8180c-lpg - qcom,pmi632-lpg - qcom,pmi8994-lpg - qcom,pmi8998-lpg - qcom,pmk8550-pwm - items: - enum: - qcom,pm8550-pwm - const: qcom,pm8350c-pwm "#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 outputted, 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 nvmem: description: > This property is required for PMICs that supports PPG, which is when a PMIC stores LPG per-channel data and pattern LUT in SDAM modules instead of in a LUT peripheral. For PMICs, such as PM8350C, per-channel data and pattern LUT is separated into 2 SDAM modules. In that case, phandles to both SDAM modules need to be specified. minItems: 1 maxItems: 2 nvmem-names: minItems: 1 items: - const: lpg_chan_sdam - const: lut_sdam qcom,pbs: $ref: /schemas/types.yaml#/definitions/phandle description: > Phandle of the Qualcomm Programmable Boot Sequencer node (PBS). PBS node is used to trigger LPG pattern sequences for PMICs that support single SDAM PPG. multi-led: type: object $ref: leds-class-multicolor.yaml# unevaluatedProperties: false properties: "#address-cells": const: 1 "#size-cells": const: 0 patternProperties: "^led@[0-9a-f]$": type: object $ref: common.yaml# unevaluatedProperties: false properties: reg: maxItems: 1 required: - reg patternProperties: "^led@[0-9a-f]$": type: object $ref: common.yaml# unevaluatedProperties: false properties: reg: maxItems: 1 required: - reg required: - compatible additionalProperties: false allOf: - if: properties: compatible: contains: enum: - qcom,pm660l-lpg - qcom,pm8150b-lpg - qcom,pm8150l-lpg - qcom,pm8916-pwm - qcom,pm8941-lpg - qcom,pm8994-lpg - qcom,pmc8180c-lpg - qcom,pmi8994-lpg - qcom,pmi8998-lpg - qcom,pmk8550-pwm then: properties: nvmem: false nvmem-names: false - if: properties: compatible: contains: const: qcom,pmi632-lpg then: properties: nvmem: maxItems: 1 nvmem-names: maxItems: 1 - if: properties: compatible: contains: enum: - qcom,pm8350c-pwm then: properties: nvmem: minItems: 2 nvmem-names: minItems: 2 examples: - | #include 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 = ; function = LED_FUNCTION_INDICATOR; function-enumerator = <1>; }; led@2 { reg = <2>; color = ; function = LED_FUNCTION_INDICATOR; function-enumerator = <0>; default-state = "on"; }; led@3 { reg = <3>; color = ; function = LED_FUNCTION_INDICATOR; function-enumerator = <2>; }; led@4 { reg = <4>; color = ; function = LED_FUNCTION_INDICATOR; function-enumerator = <3>; }; }; - | #include led-controller { compatible = "qcom,pmi8994-lpg"; #address-cells = <1>; #size-cells = <0>; qcom,power-source = <1>; multi-led { color = ; function = LED_FUNCTION_STATUS; #address-cells = <1>; #size-cells = <0>; led@1 { reg = <1>; color = ; }; led@2 { reg = <2>; color = ; }; led@3 { reg = <3>; color = ; }; }; }; - | pwm-controller { compatible = "qcom,pm8916-pwm"; #pwm-cells = <2>; }; - | #include led-controller { compatible = "qcom,pmi632-lpg"; #address-cells = <1>; #size-cells = <0>; #pwm-cells = <2>; nvmem-names = "lpg_chan_sdam"; nvmem = <&pmi632_sdam_7>; qcom,pbs = <&pmi632_pbs_client3>; led@1 { reg = <1>; color = ; label = "red"; }; led@2 { reg = <2>; color = ; label = "green"; }; led@3 { reg = <3>; color = ; label = "blue"; }; }; ...