[PATCH v6 12/20] dt-bindings: perf: stm32: introduce DDRPERFM dt-bindings
Krzysztof Kozlowski
krzk at kernel.org
Wed Sep 10 00:57:04 PDT 2025
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.
Best regards,
Krzysztof
More information about the linux-arm-kernel
mailing list