[PATCH v6 12/20] dt-bindings: perf: stm32: introduce DDRPERFM dt-bindings

Clément Le Goffic legoffic.clement at gmail.com
Wed Sep 10 01:33:39 PDT 2025


On 10/09/2025 09:57, Krzysztof Kozlowski wrote:
> On Tue, Sep 09, 2025 at 12:12:19PM +0200, Clément Le Goffic wrote:
>> From: Clément Le Goffic <clement.legoffic at foss.st.com>
>>
>> DDRPERFM is the DDR Performance Monitor embedded in STM32MPU SoC.
>> It allows to monitor DDR events that come from the DDR Controller
>> such as read or write events.
>>
>> Signed-off-by: Clément Le Goffic <clement.legoffic at foss.st.com>
>> Signed-off-by: Clément Le Goffic <legoffic.clement at gmail.com>
>> ---
>>   .../devicetree/bindings/perf/st,stm32-ddr-pmu.yaml | 94 ++++++++++++++++++++++
>>   1 file changed, 94 insertions(+)
>>
>> diff --git a/Documentation/devicetree/bindings/perf/st,stm32-ddr-pmu.yaml b/Documentation/devicetree/bindings/perf/st,stm32-ddr-pmu.yaml
>> new file mode 100644
>> index 000000000000..1d97861e3d44
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/perf/st,stm32-ddr-pmu.yaml
>> @@ -0,0 +1,94 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/perf/st,stm32-ddr-pmu.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +maintainers:
>> +  - Clément Le Goffic <legoffic.clement at gmail.com>
>> +
>> +title: STMicroelectronics STM32 DDR Performance Monitor (DDRPERFM)
>> +
>> +properties:
>> +  compatible:
>> +    oneOf:
>> +      - items:
>> +          - const: st,stm32mp131-ddr-pmu
>> +      - items:
>> +          - enum:
>> +              - st,stm32mp151-ddr-pmu
>> +          - const: st,stm32mp131-ddr-pmu
>> +      - items:
>> +          - const: st,stm32mp251-ddr-pmu
> 
> You did not implement Rob's comment.

Indeed I miss it. Will fix it for the next version.

Best regards,
Clément



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