From: Stephen Boyd <sboyd@kernel.org>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>,
Mark Rutland <mark.rutland@arm.com>, Nishanth Menon <nm@ti.com>,
Rob Herring <robh+dt@kernel.org>,
Viresh Kumar <vireshk@kernel.org>
Cc: Saravana Kannan <saravanak@google.com>,
Georgi Djakov <georgi.djakov@linaro.org>,
vincent.guittot@linaro.org, seansw@qti.qualcomm.com,
daidavid1@codeaurora.org, adharmap@codeaurora.org,
Rajendra Nayak <rnayak@codeaurora.org>,
sibis@codeaurora.org, bjorn.andersson@linaro.org,
evgreen@chromium.org, kernel-team@android.com,
linux-pm@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH v4 1/3] dt-bindings: opp: Introduce opp-peak-KBps and opp-avg-KBps bindings
Date: Mon, 29 Jul 2019 10:23:15 -0700 [thread overview]
Message-ID: <20190729172316.56A5A206DD@mail.kernel.org> (raw)
In-Reply-To: <20190726231558.175130-2-saravanak@google.com>
Quoting Saravana Kannan (2019-07-26 16:15:55)
> diff --git a/Documentation/devicetree/bindings/opp/opp.txt b/Documentation/devicetree/bindings/opp/opp.txt
> index 76b6c79604a5..b1eb49d6eab0 100644
> --- a/Documentation/devicetree/bindings/opp/opp.txt
> +++ b/Documentation/devicetree/bindings/opp/opp.txt
> @@ -83,9 +83,14 @@ properties.
>
> Required properties:
> - opp-hz: Frequency in Hz, expressed as a 64-bit big-endian integer. This is a
> - required property for all device nodes but devices like power domains. The
> - power domain nodes must have another (implementation dependent) property which
> - uniquely identifies the OPP nodes.
> + required property for all device nodes but for devices like power domains or
s/but/except/
> + bandwidth opp tables. The power domain nodes must have another (implementation
> + dependent) property which uniquely identifies the OPP nodes. The interconnect
> + opps are required to have the opp-peak-KBps property.
> +
> +- opp-peak-KBps: Peak bandwidth in kilobytes per second, expressed as a 32-bit
> + big-endian integer. This is a required property for all devices that don't
> + have opp-hz. For example, bandwidth OPP tables for interconnect paths.
>
> Optional properties:
> - opp-microvolt: voltage in micro Volts.
> @@ -132,6 +137,10 @@ Optional properties:
> - opp-level: A value representing the performance level of the device,
> expressed as a 32-bit integer.
>
> +- opp-avg-KBps: Average bandwidth in kilobytes per second, expressed as a
Shouldn't that be a lower case k? kBps?
> + 32-bit big-endian integer. This property is only meaningful in OPP tables
> + where opp-peak-KBps is present.
> +
> - clock-latency-ns: Specifies the maximum possible transition latency (in
> nanoseconds) for switching to this OPP from any other OPP.
>
> diff --git a/Documentation/devicetree/bindings/property-units.txt b/Documentation/devicetree/bindings/property-units.txt
> index e9b8360b3288..ef4c4a199efa 100644
> --- a/Documentation/devicetree/bindings/property-units.txt
> +++ b/Documentation/devicetree/bindings/property-units.txt
> @@ -41,3 +41,7 @@ Temperature
> Pressure
> ----------------------------------------
> -kpascal : kilopascal
> +
> +Throughput
> +----------------------------------------
> +-KBps : kilobytes per second
Same comment.
next prev parent reply other threads:[~2019-07-29 17:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-26 23:15 [PATCH v4 0/3] Introduce Bandwidth OPPs for interconnects Saravana Kannan
2019-07-26 23:15 ` [PATCH v4 1/3] dt-bindings: opp: Introduce opp-peak-KBps and opp-avg-KBps bindings Saravana Kannan
2019-07-29 17:23 ` Stephen Boyd [this message]
2019-07-26 23:15 ` [PATCH v4 2/3] OPP: Add support for bandwidth OPP tables Saravana Kannan
2019-08-07 12:53 ` Georgi Djakov
2019-08-07 20:46 ` Saravana Kannan
2019-07-26 23:15 ` [PATCH v4 3/3] OPP: Add helper function " Saravana Kannan
2019-07-29 9:35 ` [PATCH v4 0/3] Introduce Bandwidth OPPs for interconnects Viresh Kumar
2019-07-29 20:16 ` Saravana Kannan
2019-07-30 2:46 ` Viresh Kumar
2019-07-30 5:28 ` Sibi Sankar
2019-07-30 5:53 ` Saravana Kannan
2019-07-30 16:43 ` Sibi Sankar
2019-08-06 15:27 ` Georgi Djakov
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