Merge "dt-bindings: regulator: Add QCOM AMOLED regulator bindings"
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bindings/regulator/qcom,amoled-regulator.yaml
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bindings/regulator/qcom,amoled-regulator.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: "http://devicetree.org/schemas/regulator/qcom,amoled-regulator.yaml#"
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$schema: "http://devicetree.org/meta-schemas/core.yaml#"
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title: Qualcomm Technologies, Inc. AMOLED Triple power supply regulator devices
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maintainers:
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- Anjelique Melendez <quic_amelende@quicinc.com>
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description: |
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OLED module provides AVDD voltage rail output for bias and AB/IBB
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module provides ELVDD/ELVSS voltage rail output to power up AMOLED panels.
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properties:
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compatible:
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const: qcom,amoled-regulator
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nvmem-cells:
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items:
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- description: IBB spur mitigation SQM timer value nvmem cell phandle.
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nvmem-cell-names:
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items:
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- const: ibb_spur_sqm_timer
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'#address-cells':
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const: 1
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'#size-cells':
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const: 0
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patternProperties:
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"^oledb@[0-9a-f]+$":
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description: OLEDB regulator
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type: object
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$ref: "regulator.yaml#"
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unevaluatedProperties: false
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properties:
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reg:
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maxItems: 1
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qcom,swire-control:
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description: |
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Boolean flag indicating that the regulator output is controlled by an SWIRE
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signal, not software.
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type: boolean
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required:
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- reg
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"^ab@[0-9a-f]+$":
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description: AB regulator
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type: object
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$ref: "regulator.yaml#"
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unevaluatedProperties: false
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properties:
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reg:
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maxItems: 1
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qcom,swire-control:
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description: |
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Boolean flag indicating that the regulator output is controlled by an SWIRE
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signal, not software.
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type: boolean
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qcom,aod-pd-control:
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description: |
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Boolean flag indicating that pull down control needs to be configured
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during AOD mode.
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type: boolean
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required:
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- reg
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"^ibb@[0-9a-f]+$":
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description: IBB regulator
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type: object
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$ref: "regulator.yaml#"
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unevaluatedProperties: false
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properties:
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reg:
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maxItems: 1
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qcom,swire-control:
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description: |
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Boolean flag indicating that the regulator output is controlled by an SWIRE
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signal, not software.
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type: boolean
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qcom,aod-pd-control:
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description: |
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Boolean flag indicating that pull down control needs to be configured
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during AOD mode.
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type: boolean
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qcom,ibb-single-phase:
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description: |
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Boolean flag indicating that the IBB regulator needs to always be
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configured for single phase.
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type: boolean
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qcom,ibb-spur-mitigation-level:
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description: |
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IBB spur mitigation level selection options.
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0 - IBB spur mitigation disabled
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1 - IBB spur mitigation enabled without SQM mode
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2 - IBB spur mitigation enabled with SQM mode.
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$ref: /schemas/types.yaml#/definitions/uint32
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enum: [ 0, 1, 2 ]
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qcom,ibb-spur-sqm-timer-ms:
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description: |
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Time HW stays in SQM mode before re-evulating the exit condition.
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This property is only valid when qcom,ibb-spur-mitigation-level is set to 2.
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default: 1000
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minimum: 100
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maximum: 10000
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qcom,ibb-spur-2khz-step-size:
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description: |
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Boolean flag indicating that the frequency will use 2 kHz step size
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instead of 1 kHz. This will double the frequency selection range from
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1-248 kHz to 2-496 kHz, for all the frequency band thresholds.
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type: boolean
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qcom,ibb-spur-freq-thresholds:
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description: |
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Specifies the range of thresholds for 3 frequency bands
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with each tuple representing a low and high threshold.
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Valid ranges are from 1-248 kHz and 2-496 kHz(step size 2 kHz).
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To disable a frequency band set both low and high thresholds to max
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threshold value.
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$ref: /schemas/types.yaml#/definitions/uint32-matrix
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minItems: 3
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maxItems: 3
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items:
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items:
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- description: Frequency range min frequency (kHz)
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minimum: 1
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maximum: 496
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- description: Frequency range max frequency (kHz)
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minimum: 1
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maximum: 496
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required:
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- reg
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required:
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- compatible
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unevaluatedProperties: false
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examples:
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- |
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qcom-amoled {
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compatible = "qcom,amoled-regulator";
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#address-cells = <1>;
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#size-cells = <0>;
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nvmem-cells = <&ibb_spur_sqm_timer>;
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nvmem-cell-names = "ibb_spur_sqm_timer";
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oledb_vreg: oledb@e000 {
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reg = <0xe000>;
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regulator-name = "oled_vreg";
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regulator-min-microvolt = <5000000>;
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regulator-max-microvolt = <8000000>;
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qcom,swire-control;
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};
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ab_vreg: ab@de00 {
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reg = <0xde00>;
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regulator-name = "ab_vreg";
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regulator-min-microvolt = <4600000>;
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regulator-max-microvolt = <5200000>;
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qcom,swire-control;
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qcom,aod-pd-control;
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};
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ibb_vreg: ibb@dc00 {
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reg = <0xdc00>;
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regulator-name = "ibb_vreg";
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regulator-min-microvolt = <800000>;
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regulator-max-microvolt = <5400000>;
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qcom,swire-control;
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qcom,aod-pd-control;
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qcom,ibb-spur-mitigation-level = <2>;
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qcom,ibb-spur-sqm-timer-ms = <1000>;
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qcom,ibb-spur-2khz-step-size;
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qcom,ibb-spur-freq-thresholds = <100 120>,
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<150 170>,
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<496 496>;
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};
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};
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