Rtwo/kernel/motorola/sm8550-devicetrees/bindings/hwmon/qcom,amoled-ecm.yaml
2025-09-30 19:22:48 -05:00

80 lines
2.2 KiB
YAML

%YAML 1.2
---
$id: http://devicetree.org/schemas/bindings/hwmon/qcom,amoled-ecm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Qualcomm Technologies, Inc. AMOLED ECM binding
maintainers:
- Shyam Kumar Thella <sthella@qti.qualcomm.com>
description: |
Qualcomm Technologies, Inc. AMOLED ECM supports measurement of OLED
display power/current consumption with a time granularity in sub-frame
or multiple frames of image data. A power measurement can be for a
shorter period or for a longer period.
properties:
compatible:
const: qcom,amoled-ecm
reg:
description: Base address of AMOLED AB module. Registers of
AMOLED ECM are part of AMOLED AB module.
maxItems: 1
nvmem-names:
minItems: 1
description: Array of one or more nvmem device name(s) for ECM
measurement.
items:
- const: amoled-ecm-sdam0
- const: amoled-ecm-sdam1
$ref: /schemas/types.yaml#/definitions/string-array
nvmem:
minItems: 1
description: Array of one or more phandles of the nvmem device(s)
for ECM measurement.
$ref: /schemas/nvmem/nvmem.yaml
interrupts:
description: Specifies the interrupts for nvmem devices used by
AMOLED ECM.
minItems: 1
$ref: /schemas/interrupts.yaml
interrupt-names:
description: Specifies the interrupt names for nvmem devices used
by AMOLED ECM.
minItems: 1
items:
- const: ecm-sdam0
- const: ecm-sdam1
$ref: /schemas/types.yaml#/definitions/string-array
display-panels:
minItems: 1
description: Array of one or more phandles of the display panel(s)
that sends the DRM blank/unblank notifications.
$ref: /schemas/types.yaml#/definitions/phandle-array
required:
- compatible
- reg
- nvmem-names
- nvmem
- interrupt-names
- interrupts
examples:
- |
qcom,amoled-ecm@f900 {
compatible = "qcom,amoled-ecm";
reg = <0xf900>;
nvmem-names = "amoled-ecm-sdam0", "amoled-ecm-sdam1";
nvmem = <&pmk8350_sdam_13>, <&pmk8350_sdam_14>;
interrupt-names = "ecm-sdam0", "ecm-sdam1";
interrupts = <0x0 0x7c 0x1 IRQ_TYPE_EDGE_RISING>,
<0x0 0x7d 0x1 IRQ_TYPE_EDGE_RISING>;
};