From: Krzysztof Kozlowski <krzk@kernel.org>
To: Praveen Talari <quic_ptalari@quicinc.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Jiri Slaby <jirislaby@kernel.org>, Rob Herring <robh@kernel.org>,
Krzysztof Kozlowski <krzk+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-serial@vger.kernel.org, devicetree@vger.kernel.org,
dmitry.baryshkov@oss.qualcomm.com, bryan.odonoghue@linaro.org,
psodagud@quicinc.com, djaggi@quicinc.com,
quic_msavaliy@quicinc.com, quic_vtanuku@quicinc.com,
quic_arandive@quicinc.com, quic_cchiluve@quicinc.com,
quic_shazhuss@quicinc.com
Subject: Re: [PATCH v7 0/8] Enable QUPs and Serial on SA8255p Qualcomm platforms
Date: Tue, 22 Jul 2025 08:27:59 +0200 [thread overview]
Message-ID: <20250722-curious-attentive-moth-e3d52c@kuoka> (raw)
In-Reply-To: <20250721174532.14022-1-quic_ptalari@quicinc.com>
On Mon, Jul 21, 2025 at 11:15:24PM +0530, Praveen Talari wrote:
> The Qualcomm automotive SA8255p SoC relies on firmware to configure
> platform resources, including clocks, interconnects and TLMM. The device
> drivers request resources operations over SCMI using power and
> performance protocols.
>
> The SCMI power protocol enables or disables resources like clocks,
> interconnect paths, and TLMM (GPIOs) using runtime PM framework APIs,
> such as resume/suspend, to control power states(on/off).
>
> The SCMI performance protocol manages UART baud rates, with each baud
> rate represented by a performance level. Drivers use the
> dev_pm_opp_set_level() API to request the desired baud rate by
> specifying the performance level.
>
> The QUP drivers are SCMI clients, with clocks, interconnects, pinctrl
> and power-domains abstracted by a SCMI server.
>
> The serial driver has a dependency on the dev_pm_opp_set_level() function,
> which is applied in the OPP tree's linux-next branch.
Where is the changelog with lore links?
Best regards,
Krzysztof
prev parent reply other threads:[~2025-07-22 6:28 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-21 17:45 [PATCH v7 0/8] Enable QUPs and Serial on SA8255p Qualcomm platforms Praveen Talari
2025-07-21 17:45 ` [PATCH v7 1/8] dt-bindings: serial: describe SA8255p Praveen Talari
2025-07-22 6:35 ` Krzysztof Kozlowski
2025-07-21 17:45 ` [PATCH v7 2/8] dt-bindings: qcom: geni-se: " Praveen Talari
2025-07-22 6:29 ` Krzysztof Kozlowski
2025-07-21 17:45 ` [PATCH v7 3/8] soc: qcom: geni-se: Enable QUPs on SA8255p Qualcomm platforms Praveen Talari
2025-07-21 17:45 ` [PATCH v7 4/8] serial: qcom-geni: move resource initialization to separate function Praveen Talari
2025-07-21 17:45 ` [PATCH v7 5/8] serial: qcom-geni: move resource control logic to separate functions Praveen Talari
2025-07-21 17:45 ` [PATCH v7 6/8] serial: qcom-geni: move clock-rate logic to separate function Praveen Talari
2025-07-21 17:45 ` [PATCH v7 7/8] serial: qcom-geni: Enable PM runtime for serial driver Praveen Talari
2025-08-12 10:05 ` Alexey Klimov
2025-08-19 6:50 ` Praveen Talari
2025-08-19 7:16 ` Krzysztof Kozlowski
2025-08-26 9:18 ` Alexey Klimov
2025-08-26 9:21 ` Krzysztof Kozlowski
2025-08-26 9:37 ` Alexey Klimov
2025-08-26 10:06 ` Krzysztof Kozlowski
2025-08-26 10:29 ` Praveen Talari
2025-08-26 12:30 ` Bryan O'Donoghue
2025-08-26 19:54 ` Alexey Klimov
2025-08-28 5:13 ` Praveen Talari
2025-07-21 17:45 ` [PATCH v7 8/8] serial: qcom-geni: Enable Serial on SA8255p Qualcomm platforms Praveen Talari
2025-07-22 6:27 ` Krzysztof Kozlowski [this message]
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