On 04/05/2023 00:10, Caleb Connolly wrote: > > > On 17/04/2023 16:08, Souradeep Chowdhury wrote: >> All Qualcomm bootloaders log useful timestamp information related >> to bootloader stats in the IMEM region. Add the child node within >> IMEM for the boot stat region containing register address and >> compatible string. >> >> Signed-off-by: Souradeep Chowdhury <quic_schowdhu@xxxxxxxxxxx> >> --- >> .../devicetree/bindings/sram/qcom,imem.yaml | 22 ++++++++++++++++++++++ >> 1 file changed, 22 insertions(+) >> >> diff --git a/Documentation/devicetree/bindings/sram/qcom,imem.yaml b/Documentation/devicetree/bindings/sram/qcom,imem.yaml >> index ba694ce..d028bed 100644 >> --- a/Documentation/devicetree/bindings/sram/qcom,imem.yaml >> +++ b/Documentation/devicetree/bindings/sram/qcom,imem.yaml >> @@ -49,6 +49,28 @@ patternProperties: >> $ref: /schemas/remoteproc/qcom,pil-info.yaml# >> description: Peripheral image loader relocation region >> >> + "^stats@[0-9a-f]+$": >> + type: object >> + description: >> + Imem region dedicated for storing timestamps related >> + information regarding bootstats. >> + >> + additionalProperties: false >> + >> + properties: >> + compatible: >> + items: >> + - enum: >> + - qcom,sm8450-bootstats > > This region isn't exclusive to sm8450, it exists also on sdm845 and > presumably other platforms. Is there any need for an SoC specific > compatible? Yes. https://elixir.bootlin.com/linux/v6.1-rc1/source/Documentation/devicetree/bindings/writing-bindings.rst#L42 Also see many discussions on LKML about this. Best regards, Krzysztof
