From: Krzysztof Kozlowski <krzk@kernel.org>
To: Tudor Ambarus <tudor.ambarus@linaro.org>, Rob Herring <robh@kernel.org>
Cc: "Krzysztof Kozlowski" <krzk+dt@kernel.org>,
"Conor Dooley" <conor+dt@kernel.org>,
"Peter Griffin" <peter.griffin@linaro.org>,
"André Draszik" <andre.draszik@linaro.org>,
"Michael Turquette" <mturquette@baylibre.com>,
"Stephen Boyd" <sboyd@kernel.org>,
"Alim Akhtar" <alim.akhtar@samsung.com>,
"Sylwester Nawrocki" <s.nawrocki@samsung.com>,
"Chanwoo Choi" <cw00.choi@samsung.com>,
linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org,
devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
linux-clk@vger.kernel.org, willmcvicker@google.com,
kernel-team@android.com
Subject: Re: [PATCH 1/3] dt-bindings: firmware: google,gs101-acpm-ipc: add clocks node
Date: Sun, 24 Aug 2025 19:00:22 +0200 [thread overview]
Message-ID: <b7bfe424-2cfd-4897-ab0d-69c8e92acf24@kernel.org> (raw)
In-Reply-To: <ebea336e-c43f-4519-b2c6-4f8812e29448@linaro.org>
On 22/08/2025 17:03, Tudor Ambarus wrote:
> Hi, Rob,
>
> On 8/22/25 2:55 PM, Rob Herring wrote:
>> On Tue, Aug 19, 2025 at 11:45:36AM +0000, Tudor Ambarus wrote:
>>> The firmware exposes clocks that can be controlled via the ACPM
>>> interface. Describe the clocks exposed by the APM firmware.
>>
>> ACPM? APM is Advanced Power Management aka the predecessor to ACPI?
>
> ACPM (Alive Clock and Power Manager) is a firmware that operates on the
Please unwrap the acronym in one place of bindings commit msgs.
> APM (Active Power Management) module that handles overall power management
> activities. APM is built around a GREBE processor.
>
> In linux we have an ACPM protocol driver that communicates with the firmware
> via mailbox channels. It's similar to arm,scmi if you want.
Rest of Rob's comment seems valid, so this also invalidates the DTS.
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-08-24 18:14 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-19 11:45 [PATCH 0/3] exynos-acpm: add DVFS protocol and clock driver Tudor Ambarus
2025-08-19 11:45 ` [PATCH 1/3] dt-bindings: firmware: google,gs101-acpm-ipc: add clocks node Tudor Ambarus
2025-08-22 13:55 ` Rob Herring
2025-08-22 15:03 ` Tudor Ambarus
2025-08-24 17:00 ` Krzysztof Kozlowski [this message]
2025-08-25 12:01 ` Tudor Ambarus
2025-08-19 11:45 ` [PATCH 2/3] firmware: exynos-acpm: add DVFS protocol Tudor Ambarus
2025-08-24 17:11 ` Krzysztof Kozlowski
2025-08-25 12:02 ` Tudor Ambarus
2025-08-19 11:45 ` [PATCH 3/3] clk: samsung: add Exynos ACPM clock driver Tudor Ambarus
2025-08-21 18:34 ` Brian Masney
2025-08-22 8:14 ` Tudor Ambarus
2025-08-22 10:23 ` Brian Masney
2025-08-22 10:27 ` Tudor Ambarus
2025-08-24 17:10 ` Krzysztof Kozlowski
2025-08-25 12:28 ` Tudor Ambarus
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