Add the device tree bindings for boot stats. This has 2 properties pre-abl-time and abl-time which records the timestamps for boot stats. Signed-off-by: Souradeep Chowdhury <quic_schowdhu@xxxxxxxxxxx> Link: https://lore.kernel.org/linux-arm-kernel/7d397e67-5d56-4975-98af-1ac9746c07f4@xxxxxxxxxxxxxxxx/ --- .../bindings/firmware/qcom,bootstats.yaml | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 Documentation/devicetree/bindings/firmware/qcom,bootstats.yaml diff --git a/Documentation/devicetree/bindings/firmware/qcom,bootstats.yaml b/Documentation/devicetree/bindings/firmware/qcom,bootstats.yaml new file mode 100644 index 000000000000..22e697524058 --- /dev/null +++ b/Documentation/devicetree/bindings/firmware/qcom,bootstats.yaml @@ -0,0 +1,38 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/firmware/qcom,bootstats.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Boot Stats + +maintainers: + - Souradeep Chowdhury <quic_schowdhu@xxxxxxxxxxx> + +description: | + Qualcomm's proprietary Android boot-loaders capture boot time + stats, like the time when the bootloader started execution and + at what point the bootloader handed over control to the kernel. + This is captured in the unit of ms in devicetree property. + +properties: + pre-abl-time: + description: The property to store the starting point of abl in ms. + $ref: /schemas/types.yaml#/definitions/string-array + + abl-time: + description: The property to store the duration of abl in ms. + $ref: /schemas/types.yaml#/definitions/string-array + +required: + - pre-abl-time + - abl-time + +additionalProperties: false + +examples: + - | + bootstats { + pre-abl-time="17627"; + abl-time="26748"; + }; -- 2.17.1
