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dt-bindings: Add dt-binding for mpm counter

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Add dt-bindings for mpm counter.

Change-Id: If8706a3ccc17f1d3d0e79c78bab43f8e5bd0b3b8
This commit is contained in:
Prakruthi Deepak Heragu 2020-04-20 13:07:11 -07:00
commit 64484f7029
1 changed files with 37 additions and 0 deletions
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37
bindings/arm/msm/mpm_counter.yaml Normal file
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%YAML 1.2
---
$id: http://devicetree.org/schemas/bindings/arm/msm/mpm_counter.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MSM MPM sleep counter (mpm-v2)
maintainers:
- Prakruthi Deepak Heragu <pheragu@codeaurora.org>
description: |
The MPM provides a timetick that starts when the device is powered up and
is not reset by any of the boot loaders or the HLOS. The MPM timetick counter
driver provides an api to get this value.
properties:
compatible:
const: qcom,mpm2-sleep-counter
reg:
description: Specifies the physical address of the timetick count register.
clock-frequency:
description: the physical counter frequency.
required:
- compatible
- reg
example:
- |
qcom,mpm2-sleep-counter@4a3000 {
compatible = "qcom,mpm2-sleep-counter";
reg = <0x4a3000 0x1000>;
clock-frequency = <32768>;
};