diff options
Diffstat (limited to 'dts/Bindings/leds/leds-qcom-lpg.yaml')
| -rw-r--r-- | dts/Bindings/leds/leds-qcom-lpg.yaml | 145 |
1 files changed, 131 insertions, 14 deletions
diff --git a/dts/Bindings/leds/leds-qcom-lpg.yaml b/dts/Bindings/leds/leds-qcom-lpg.yaml index 497db28916..54a428d3d4 100644 --- a/dts/Bindings/leds/leds-qcom-lpg.yaml +++ b/dts/Bindings/leds/leds-qcom-lpg.yaml @@ -11,22 +11,29 @@ maintainers: 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 + 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: - 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,pmi8994-lpg - - qcom,pmi8998-lpg + 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 @@ -49,13 +56,36 @@ properties: 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 + 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 $ref: leds-class-multicolor.yaml# @@ -72,14 +102,24 @@ properties: "^led@[0-9a-f]$": 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: true + reg: + maxItems: 1 required: - reg @@ -89,6 +129,52 @@ required: 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 <dt-bindings/leds/common.h> @@ -174,4 +260,35 @@ examples: compatible = "qcom,pm8916-pwm"; #pwm-cells = <2>; }; + - | + #include <dt-bindings/leds/common.h> + + 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 = <LED_COLOR_ID_RED>; + label = "red"; + }; + + led@2 { + reg = <2>; + color = <LED_COLOR_ID_GREEN>; + label = "green"; + }; + + led@3 { + reg = <3>; + color = <LED_COLOR_ID_BLUE>; + label = "blue"; + }; + }; + ... |