Add snapshot of device tree bindings from keystone common kernel, branch "android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065 from e32903b9a63bb558df8b803b076619c53c16baad to android-mainline-keystone-qcom-release"). Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1 Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
52 lines
1.2 KiB
YAML
52 lines
1.2 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/misc/qemu,vcpu-stall-detector.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: VCPU stall detector
|
|
|
|
description:
|
|
This binding describes a CPU stall detector mechanism for virtual CPUs
|
|
which is accessed through MMIO.
|
|
|
|
maintainers:
|
|
- Sebastian Ene <sebastianene@google.com>
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- qemu,vcpu-stall-detector
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
clock-frequency:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
description: |
|
|
The internal clock of the stall detector peripheral measure in Hz used
|
|
to decrement its internal counter register on each tick.
|
|
Defaults to 10 if unset.
|
|
default: 10
|
|
|
|
timeout-sec:
|
|
description: |
|
|
The stall detector expiration timeout measured in seconds.
|
|
Defaults to 8 if unset. Please note that it also takes into account the
|
|
time spent while the VCPU is not running.
|
|
default: 8
|
|
|
|
required:
|
|
- compatible
|
|
|
|
additionalProperties: false
|
|
|
|
examples:
|
|
- |
|
|
vmwdt@9030000 {
|
|
compatible = "qemu,vcpu-stall-detector";
|
|
reg = <0x9030000 0x10000>;
|
|
clock-frequency = <10>;
|
|
timeout-sec = <8>;
|
|
};
|