From: Sudeep Holla <sudeep.holla@arm.com>
To: Taniya Das <tdas@codeaurora.org>,
linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org
Cc: Sudeep Holla <sudeep.holla@arm.com>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>,
Viresh Kumar <viresh.kumar@linaro.org>,
Stephen Boyd <sboyd@kernel.org>,
Rajendra Nayak <rnayak@codeaurora.org>,
devicetree@vger.kernel.org, robh@kernel.org,
skannan@codeaurora.org
Subject: Re: [PATCH v4 1/2] dt-bindings: cpufreq: Introduce QCOM CPUFREQ FW bindings
Date: Fri, 15 Jun 2018 18:42:48 +0100 [thread overview]
Message-ID: <7f3ee013-bd12-7411-f90d-ed0fa1418ac3@arm.com> (raw)
In-Reply-To: <c456625c-e61c-b07e-b355-478813d9a182@codeaurora.org>
On 15/06/18 18:31, Taniya Das wrote:
>
>
> On 6/15/2018 6:53 PM, Sudeep Holla wrote:
>>
[...]
>>>
>>>> It should be easily extensible is what I am
>>>> trying to say. You can add more info and alter the information in the
>>>> driver with compatibles if you keep the register info as minimum as
>>>> possible. For now, you have enable, set and lut registers. What if you
>>>> want to provide power numbers ?
>>>>
>>>
>>> Yes I do understand the intent of mapping the whole register space, but
>>> as per the HW specs these 3 registers would be the only ones required
>>> for now. I do not think this hardware engine has any information on the
>>> power numbers.
>>>
>>
>> That's fine. So on this platform DT, will you list only the registers
>> touched by the OS for all the IP ? I am sure that will not be the case.
>>
>
> Yes, registers list those would be touched by OS only.
>
You are still missing the point.
Look at other IP blocks like pinmux/gpio/...(choose your pick).
E.g. Lets say gpio controller driver touches only status set and get
registers in a port, will you list then individually in the DT for 'n'
ports on the platform ?
--
Regards,
Sudeep
next prev parent reply other threads:[~2018-06-15 17:42 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-12 11:02 [PATCH v4 0/2] cpufreq: qcom-fw: Add support for QCOM cpufreq FW driver Taniya Das
2018-06-12 11:02 ` [PATCH v4 1/2] dt-bindings: cpufreq: Introduce QCOM CPUFREQ FW bindings Taniya Das
2018-06-13 11:26 ` Sudeep Holla
2018-06-13 18:13 ` Taniya Das
2018-06-14 10:47 ` Sudeep Holla
2018-06-14 18:24 ` Taniya Das
2018-06-15 11:59 ` Amit Kucheria
2018-06-15 13:27 ` Sudeep Holla
2018-06-15 17:40 ` Taniya Das
2018-06-15 17:45 ` Sudeep Holla
2018-06-17 9:03 ` Amit Kucheria
2018-06-18 9:21 ` Sudeep Holla
2018-06-19 7:53 ` Taniya Das
2018-06-19 9:21 ` Viresh Kumar
2018-06-19 9:34 ` Sudeep Holla
2018-06-19 10:44 ` Taniya Das
2018-06-15 13:23 ` Sudeep Holla
2018-06-15 17:31 ` Taniya Das
2018-06-15 17:42 ` Sudeep Holla [this message]
2018-06-15 13:07 ` Amit Kucheria
2018-06-12 11:02 ` [PATCH v4 2/2] cpufreq: qcom-fw: Add support for QCOM cpufreq FW driver Taniya Das
2018-06-15 12:02 ` Amit Kucheria
2018-06-19 9:30 ` Viresh Kumar
2018-07-11 20:37 ` Matthias Kaehlcke
2018-07-12 18:06 ` Taniya Das
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