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

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Message-ID: <20250910-adamant-hospitable-firefly-ae30c5@kuoka>
Date: Wed, 10 Sep 2025 09:57:04 +0200
From: Krzysztof Kozlowski <krzk@...nel.org>
To: Clément Le Goffic <legoffic.clement@...il.com>
Cc: Gatien Chevallier <gatien.chevallier@...s.st.com>, 
	Maxime Coquelin <mcoquelin.stm32@...il.com>, Alexandre Torgue <alexandre.torgue@...s.st.com>, 
	Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Gabriel Fernandez <gabriel.fernandez@...s.st.com>, Julius Werner <jwerner@...omium.org>, 
	Will Deacon <will@...nel.org>, Mark Rutland <mark.rutland@....com>, 
	Philipp Zabel <p.zabel@...gutronix.de>, Jonathan Corbet <corbet@....net>, 
	linux-stm32@...md-mailman.stormreply.com, linux-arm-kernel@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-perf-users@...r.kernel.org, linux-doc@...r.kernel.org, 
	Clément Le Goffic <clement.legoffic@...s.st.com>
Subject: Re: [PATCH v6 12/20] dt-bindings: perf: stm32: introduce DDRPERFM
 dt-bindings

On Tue, Sep 09, 2025 at 12:12:19PM +0200, Clément Le Goffic wrote:
> From: Clément Le Goffic <clement.legoffic@...s.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@...s.st.com>
> Signed-off-by: Clément Le Goffic <legoffic.clement@...il.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@...il.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