From: "Rob Herring (Arm)" <robh@kernel.org>
To: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>,
kernel@collabora.com,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
linux-kernel@vger.kernel.org,
Matthias Brugger <matthias.bgg@gmail.com>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-pm@vger.kernel.org, Conor Dooley <conor+dt@kernel.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
linux-mediatek@lists.infradead.org
Subject: Re: [PATCH v3 1/4] dt-bindings: cpufreq: Add mediatek,mt8196-cpufreq-hw binding
Date: Mon, 21 Jul 2025 14:38:58 -0500 [thread overview]
Message-ID: <175312673842.1140849.10630028189155435330.robh@kernel.org> (raw)
In-Reply-To: <20250716-mt8196-cpufreq-v3-1-d440fb810d7e@collabora.com>
On Wed, 16 Jul 2025 19:51:22 +0200, Nicolas Frattaroli wrote:
> The MediaTek MT8196 SoC has new cpufreq hardware, with added memory
> register ranges to control Dynamic-Voltage-Frequency-Scaling.
>
> The DVFS hardware is controlled through a set of registers referred to
> as "FDVFS". They set the target frequency the DVFS hardware should aim
> for for each performance domain.
>
> Instead of working around the old binding and its already established
> meanings for the reg items, add a new binding. The FDVFS register memory
> region is at the beginning, which allows us to easily expand this
> binding for future SoCs which may have more than 3 performance domains.
>
> Signed-off-by: Nicolas Frattaroli <nicolas.frattaroli@collabora.com>
> ---
> .../cpufreq/mediatek,mt8196-cpufreq-hw.yaml | 82 ++++++++++++++++++++++
> 1 file changed, 82 insertions(+)
>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
next prev parent reply other threads:[~2025-07-21 19:39 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-16 17:51 [PATCH v3 0/4] MT8196 CPUFreq Support Nicolas Frattaroli
2025-07-16 17:51 ` [PATCH v3 1/4] dt-bindings: cpufreq: Add mediatek,mt8196-cpufreq-hw binding Nicolas Frattaroli
2025-07-17 10:28 ` AngeloGioacchino Del Regno
2025-07-21 19:38 ` Rob Herring (Arm) [this message]
2025-07-16 17:51 ` [PATCH v3 2/4] cpufreq: mediatek-hw: Refactor match data into struct Nicolas Frattaroli
2025-07-16 17:51 ` [PATCH v3 3/4] cpufreq: mediatek-hw: Separate per-domain and per-instance data Nicolas Frattaroli
2025-07-16 17:51 ` [PATCH v3 4/4] cpufreq: mediatek-hw: Add support for MT8196 Nicolas Frattaroli
2025-07-17 10:27 ` AngeloGioacchino Del Regno
2025-07-22 4:10 ` [PATCH v3 0/4] MT8196 CPUFreq Support Viresh Kumar
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