From: Georgi Djakov <georgi.djakov@linaro.org>
To: Evan Green <evgreen@chromium.org>
Cc: linux-pm@vger.kernel.org, gregkh@linuxfoundation.org,
rjw@rjwysocki.net, robh+dt@kernel.org,
Michael Turquette <mturquette@baylibre.com>,
khilman@baylibre.com, vincent.guittot@linaro.org,
skannan@codeaurora.org,
Bjorn Andersson <bjorn.andersson@linaro.org>,
amit.kucheria@linaro.org, seansw@qti.qualcomm.com,
davidai@quicinc.com, mark.rutland@arm.com,
lorenzo.pieralisi@arm.com, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-arm-msm@vger.kernel.org
Subject: [PATCH v4 4/7] interconnect: qcom: Add RPM communication
Date: Wed, 6 Jun 2018 18:00:58 +0300 [thread overview]
Message-ID: <43302039-a056-b73d-50a9-d54f7dc90219@linaro.org> (raw)
In-Reply-To: <CAE=gft6HTU76M8AqzvN-VeDWE6c8Bgk+TimHHLMfLztWYhCSYQ@mail.gmail.com>
Hi Evan,
On 12.05.18 г. 0:30, Evan Green wrote:
> On Fri, Mar 9, 2018 at 1:11 PM Georgi Djakov <georgi.djakov@linaro.org>
> wrote:
>
>> On some Qualcomm SoCs, there is a remote processor, which controls some of
>> the Network-On-Chip interconnect resources. Other CPUs express their needs
>> by communicating with this processor. Add a driver to handle comminication
>> with this remote processor.
>
>> Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
>> ---
>> .../devicetree/bindings/interconnect/qcom-smd.txt | 31 ++++++++
>> drivers/interconnect/qcom/Makefile | 1 +
>> drivers/interconnect/qcom/smd-rpm.c | 90
> ++++++++++++++++++++++
>> drivers/interconnect/qcom/smd-rpm.h | 15 ++++
>> 4 files changed, 137 insertions(+)
>> create mode 100644
> Documentation/devicetree/bindings/interconnect/qcom-smd.txt
>> create mode 100644 drivers/interconnect/qcom/Makefile
>> create mode 100644 drivers/interconnect/qcom/smd-rpm.c
>> create mode 100644 drivers/interconnect/qcom/smd-rpm.h
>
>> diff --git a/Documentation/devicetree/bindings/interconnect/qcom-smd.txt
> b/Documentation/devicetree/bindings/interconnect/qcom-smd.txt
>> new file mode 100644
>> index 000000000000..14e83ed7019b
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/interconnect/qcom-smd.txt
>> @@ -0,0 +1,31 @@
>> +Qualcomm SMD-RPM interconnect driver binding
>> +------------------------------------------------
>> +The RPM is a dedicated hardware engine for managing the shared
>> +SoC resources in order to keep the lowest power profile. It
>> +communicates with other hardware subsystems via shared memory
>> +and accepts requests for various resources.
>
> You never say what RPM or SMD stands for. RPM is Resource Power Manager,
> right? But I'm not in the know about SMD. Can you define these somewhere?
>
Sure, it's the Shared Memory Driver back-end used for communicating with
RPM. Now added this explanation into the docs.
Thanks,
Georgi
next prev parent reply other threads:[~2018-06-06 15:00 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-03-09 21:09 [PATCH v4 0/7] Introduce on-chip interconnect API Georgi Djakov
2018-03-09 21:09 ` [PATCH v4 1/7] interconnect: Add generic " Georgi Djakov
2018-04-06 17:38 ` Matthias Kaehlcke
2018-04-12 13:06 ` Georgi Djakov
2018-05-11 21:30 ` Evan Green
2018-06-06 14:59 ` Georgi Djakov
2018-06-06 18:09 ` Georgi Djakov
2018-06-07 1:06 ` Evan Green
2018-05-25 8:26 ` Amit Kucheria
2018-06-06 15:08 ` Georgi Djakov
2018-06-08 15:57 ` Alexandre Bailon
2018-06-09 19:15 ` Georgi Djakov
2018-03-09 21:09 ` [PATCH v4 2/7] dt-bindings: Introduce interconnect provider bindings Georgi Djakov
2018-03-18 22:50 ` Bjorn Andersson
2018-03-19 9:34 ` Georgi Djakov
2018-04-12 13:15 ` Neil Armstrong
2018-06-06 15:23 ` Georgi Djakov
2018-03-09 21:09 ` [PATCH v4 3/7] interconnect: Add debugfs support Georgi Djakov
2018-03-09 21:09 ` [PATCH v4 4/7] interconnect: qcom: Add RPM communication Georgi Djakov
2018-05-11 21:30 ` Evan Green
2018-06-06 15:00 ` Georgi Djakov [this message]
2018-03-09 21:09 ` [PATCH v4 5/7] interconnect: qcom: Add msm8916 interconnect provider driver Georgi Djakov
2018-04-05 22:58 ` Matthias Kaehlcke
2018-04-12 13:09 ` Georgi Djakov
2018-05-11 21:29 ` Evan Green
2018-06-06 15:03 ` Georgi Djakov
2018-05-25 8:27 ` Amit Kucheria
2018-06-06 15:14 ` Georgi Djakov
2018-03-09 21:09 ` [PATCH v4 6/7] dt-bindings: Introduce interconnect consumers bindings Georgi Djakov
2018-03-18 22:49 ` Bjorn Andersson
2018-03-19 9:41 ` Georgi Djakov
2018-03-09 21:09 ` [PATCH v4 7/7] interconnect: Allow endpoints translation via DT Georgi Djakov
2018-05-11 21:29 ` Evan Green
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