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From: "Jon Medhurst (Tixy)" <tixy@linaro.org>
To: Punit Agrawal <punit.agrawal@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
	Liviu Dudau <Liviu.Dudau@arm.com>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	"lm-sensors@lm-sensors.org" <lm-sensors@lm-sensors.org>,
	"edubezval@gmail.com" <edubezval@gmail.com>,
	"robh+dt@kernel.org" <robh+dt@kernel.org>,
	"linux@roeck-us.net" <linux@roeck-us.net>,
	Sudeep Holla <Sudeep.Holla@arm.com>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors
Date: Mon, 14 Sep 2015 18:18:12 +0100	[thread overview]
Message-ID: <1442251092.2850.53.camel@linaro.org> (raw)
In-Reply-To: <9hhk2rtdq1f.fsf@e105922-lin.cambridge.arm.com>

On Mon, 2015-09-14 at 15:38 +0100, Punit Agrawal wrote:
> Mark Rutland <mark.rutland@arm.com> writes:
> 
> >> >> +Sensor bindings for the sensors based on SCPI Message Protocol
> >> >> +--------------------------------------------------------------
> >> >> +SCPI provides an API to access the various sensors on the SoC.
> >> >> +
> >> >> +Required properties:
> >> >> +- compatible : should be "arm,scpi-sensors".
> >> >> +- #thermal-sensor-cells: should be set to 1. This property follows the
> >> >> +			 thermal device tree bindings[2].
> >> >
> >> > You need to specify what the valid values for this cell are.
> >> 
> >> The enumeration depends on the number of sensors exported by SCP
> >> firmware - which is platform dependent. I could add add something like
> >> if you think that is helpful -
> >> 
> >> "Valid cell value is a number between 0..n-1, where n is the number
> >> of sensors exported by SCP firmware."
> >
> > Can the FW identifer space have holes? Or are they always contiguous?
> 
> The way the SCP interface is defined, the sensor identifiers are
> contiguous,

Is there any documentation other than DUI0922A? [1] From what I can seen
that just says it's a 16-bit value and doesn't put any particular
constraints on its value.

[1] http://community.arm.com/servlet/JiveServlet/download/8401-40-18262/DUI0922A_scp_message_interface.pdf

-- 
Tixy


WARNING: multiple messages have this Message-ID (diff)
From: "Jon Medhurst (Tixy)" <tixy-QSEj5FYQhm4dnm+yROfE0A@public.gmane.org>
To: Punit Agrawal <punit.agrawal-5wv7dgnIgG8@public.gmane.org>
Cc: Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org>,
	"devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-pm-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	Liviu Dudau <Liviu.Dudau-5wv7dgnIgG8@public.gmane.org>,
	"linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-kernel-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>,
	"lm-sensors-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org"
	<lm-sensors-GZX6beZjE8VD60Wz+7aTrA@public.gmane.org>,
	"edubezval-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org"
	<edubezval-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
	"robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org"
	<robh+dt-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org>,
	"linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org"
	<linux-0h96xk9xTtrk1uMJSBkQmQ@public.gmane.org>,
	Sudeep Holla <Sudeep.Holla-5wv7dgnIgG8@public.gmane.org>,
	"linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org"
	<linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org>
Subject: Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors
Date: Mon, 14 Sep 2015 18:18:12 +0100	[thread overview]
Message-ID: <1442251092.2850.53.camel@linaro.org> (raw)
In-Reply-To: <9hhk2rtdq1f.fsf-Z9gB6HwUD+TZROr8t4l/smS4ubULX0JqMm0uRHvK7Nw@public.gmane.org>

On Mon, 2015-09-14 at 15:38 +0100, Punit Agrawal wrote:
> Mark Rutland <mark.rutland-5wv7dgnIgG8@public.gmane.org> writes:
> 
> >> >> +Sensor bindings for the sensors based on SCPI Message Protocol
> >> >> +--------------------------------------------------------------
> >> >> +SCPI provides an API to access the various sensors on the SoC.
> >> >> +
> >> >> +Required properties:
> >> >> +- compatible : should be "arm,scpi-sensors".
> >> >> +- #thermal-sensor-cells: should be set to 1. This property follows the
> >> >> +			 thermal device tree bindings[2].
> >> >
> >> > You need to specify what the valid values for this cell are.
> >> 
> >> The enumeration depends on the number of sensors exported by SCP
> >> firmware - which is platform dependent. I could add add something like
> >> if you think that is helpful -
> >> 
> >> "Valid cell value is a number between 0..n-1, where n is the number
> >> of sensors exported by SCP firmware."
> >
> > Can the FW identifer space have holes? Or are they always contiguous?
> 
> The way the SCP interface is defined, the sensor identifiers are
> contiguous,

Is there any documentation other than DUI0922A? [1] From what I can seen
that just says it's a 16-bit value and doesn't put any particular
constraints on its value.

[1] http://community.arm.com/servlet/JiveServlet/download/8401-40-18262/DUI0922A_scp_message_interface.pdf

-- 
Tixy

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WARNING: multiple messages have this Message-ID (diff)
From: tixy@linaro.org (Jon Medhurst (Tixy))
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors
Date: Mon, 14 Sep 2015 18:18:12 +0100	[thread overview]
Message-ID: <1442251092.2850.53.camel@linaro.org> (raw)
In-Reply-To: <9hhk2rtdq1f.fsf@e105922-lin.cambridge.arm.com>

On Mon, 2015-09-14 at 15:38 +0100, Punit Agrawal wrote:
> Mark Rutland <mark.rutland@arm.com> writes:
> 
> >> >> +Sensor bindings for the sensors based on SCPI Message Protocol
> >> >> +--------------------------------------------------------------
> >> >> +SCPI provides an API to access the various sensors on the SoC.
> >> >> +
> >> >> +Required properties:
> >> >> +- compatible : should be "arm,scpi-sensors".
> >> >> +- #thermal-sensor-cells: should be set to 1. This property follows the
> >> >> +			 thermal device tree bindings[2].
> >> >
> >> > You need to specify what the valid values for this cell are.
> >> 
> >> The enumeration depends on the number of sensors exported by SCP
> >> firmware - which is platform dependent. I could add add something like
> >> if you think that is helpful -
> >> 
> >> "Valid cell value is a number between 0..n-1, where n is the number
> >> of sensors exported by SCP firmware."
> >
> > Can the FW identifer space have holes? Or are they always contiguous?
> 
> The way the SCP interface is defined, the sensor identifiers are
> contiguous,

Is there any documentation other than DUI0922A? [1] From what I can seen
that just says it's a 16-bit value and doesn't put any particular
constraints on its value.

[1] http://community.arm.com/servlet/JiveServlet/download/8401-40-18262/DUI0922A_scp_message_interface.pdf

-- 
Tixy

  parent reply	other threads:[~2015-09-14 18:10 UTC|newest]

Thread overview: 60+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-14 13:00 [PATCH v3 0/5] SCPI Sensor support Punit Agrawal
2015-09-14 13:00 ` Punit Agrawal
2015-09-14 13:00 ` [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors Punit Agrawal
2015-09-14 13:00   ` Punit Agrawal
2015-09-14 13:00   ` Punit Agrawal
2015-09-14 13:14   ` Mark Rutland
2015-09-14 13:14     ` Mark Rutland
2015-09-14 13:14     ` Mark Rutland
2015-09-14 13:34     ` Punit Agrawal
2015-09-14 13:34       ` Punit Agrawal
2015-09-14 13:34       ` Punit Agrawal
2015-09-14 13:49       ` Mark Rutland
2015-09-14 13:49         ` Mark Rutland
2015-09-14 14:38         ` Punit Agrawal
2015-09-14 14:38           ` Punit Agrawal
2015-09-14 14:38           ` Punit Agrawal
2015-09-14 14:43           ` Mark Rutland
2015-09-14 14:43             ` Mark Rutland
2015-09-14 14:43             ` Mark Rutland
2015-09-14 15:01             ` Punit Agrawal
2015-09-14 15:01               ` Punit Agrawal
2015-09-14 15:01               ` Punit Agrawal
2015-09-14 15:15               ` Mark Rutland
2015-09-14 15:15                 ` Mark Rutland
2015-09-14 16:03                 ` Punit Agrawal
2015-09-14 16:03                   ` Punit Agrawal
2015-09-14 16:03                   ` Punit Agrawal
2015-09-14 17:18           ` Jon Medhurst (Tixy) [this message]
2015-09-14 17:18             ` Jon Medhurst (Tixy)
2015-09-14 17:18             ` Jon Medhurst (Tixy)
2015-09-15  9:37             ` Punit Agrawal
2015-09-15  9:37               ` Punit Agrawal
2015-09-15  9:37               ` Punit Agrawal
2015-09-15 10:46               ` Jon Medhurst (Tixy)
2015-09-15 10:46                 ` Jon Medhurst (Tixy)
2015-09-15 11:03                 ` Mark Rutland
2015-09-15 11:03                   ` Mark Rutland
2015-09-15 11:03                   ` Mark Rutland
2015-09-15 11:37                   ` Jon Medhurst (Tixy)
2015-09-15 11:37                     ` Jon Medhurst (Tixy)
2015-09-15 11:37                     ` Jon Medhurst (Tixy)
2015-09-15 16:04                 ` Punit Agrawal
2015-09-15 16:04                   ` Punit Agrawal
2015-09-15 16:04                   ` Punit Agrawal
2015-09-15 16:31                   ` Jon Medhurst (Tixy)
2015-09-15 16:31                     ` Jon Medhurst (Tixy)
2015-09-14 13:00 ` [PATCH v3 2/5] firmware: arm_scpi: Extend to support sensors Punit Agrawal
2015-09-14 13:00   ` Punit Agrawal
2015-09-14 13:00 ` [PATCH v3 3/5] hwmon: Support sensors exported via ARM SCP interface Punit Agrawal
2015-09-14 13:00   ` Punit Agrawal
2015-09-14 13:00 ` [Patch v3 4/5] hwmon: Support registration of thermal zones for SCP temperature sensors Punit Agrawal
2015-09-14 13:00   ` Punit Agrawal
2015-09-14 13:19   ` Punit Agrawal
2015-09-14 13:19     ` Punit Agrawal
2015-09-14 13:19     ` Punit Agrawal
2015-09-14 13:00 ` [PATCH v3 4/5] hwmon: Support thermal zones registration " Punit Agrawal
2015-09-14 13:00   ` Punit Agrawal
2015-09-14 13:00 ` [PATCH v3 5/5] arm64: dts: Add sensor node to Juno dt Punit Agrawal
2015-09-14 13:00   ` Punit Agrawal
2015-09-14 13:00   ` Punit Agrawal

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