Hi Zhenhua, On 10/23/2023 2:27 AM, Krzysztof Kozlowski wrote: > On 23/10/2023 11:20, Zhenhua Huang wrote: >> Add bindings for the QCOM Memory Dump driver providing debug > > Bindings are for hardware, not driver. This suggests it is not suitable > for bindings at all. > >> facilities. Firmware dumps system cache, internal memory, >> peripheral registers to reserved DDR as per the table which >> populated by the driver, after crash and warm reset. > > Again driver :/ > >> >> Signed-off-by: Zhenhua Huang <quic_zhenhuah@xxxxxxxxxxx> >> --- >> .../bindings/soc/qcom/qcom,mem-dump.yaml | 42 +++++++++++++++++++++ >> .../devicetree/bindings/sram/qcom,imem.yaml | 44 ++++++++++++++++++++++ >> 2 files changed, 86 insertions(+) >> create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,mem-dump.yaml >> >> diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom,mem-dump.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom,mem-dump.yaml >> new file mode 100644 >> index 0000000..87f8f51 >> --- /dev/null >> +++ b/Documentation/devicetree/bindings/soc/qcom/qcom,mem-dump.yaml >> @@ -0,0 +1,42 @@ >> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause >> +%YAML 1.2 >> +--- >> +$id: "http://devicetree.org/schemas/soc/qcom/qcom,mem-dump.yaml#" >> +$schema: "http://devicetree.org/meta-schemas/core.yaml#" > > Drop quotes. > > It does not look like you tested the bindings, at least after quick > look. Please run `make dt_binding_check` (see > Documentation/devicetree/bindings/writing-schema.rst for instructions). > Maybe you need to update your dtschema and yamllint. > >> + >> +title: Qualcomm memory dump > > Describe hardware, not driver. > >> + >> +description: | >> + Qualcomm memory dump driver dynamically reserves memory and provides hints(id and size) > > Again, driver, so not suitable for DTS and bindings. Could you create platform driver which binds directly to the compatible = "qcom,qcom-imem-mem-dump-table" You can look up the size from the dump table driver or have 2 reg properties in the -table node itself (so no need for the table-size node either).