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Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors

From Mark Rutland <mark.rutland@arm.com>
Newsgroups linux.kernel
Subject Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors
Date 2015-09-14 16:00 +0200
Message-ID <q8Csy-80G-23@gated-at.bofh.it> (permalink)
References <q8BGa-75S-11@gated-at.bofh.it> <q8BGb-75S-55@gated-at.bofh.it> <q8BPQ-7hh-29@gated-at.bofh.it> <q8C9c-7DX-13@gated-at.bofh.it>
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> >> +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?

If this is the same as the raw FW identifer value, specify that.
Otherwise, you need to specify the mapping.

There needs to be enough information for a dts author to figure out
which values to place in the DT.

Thanks,
Mark.
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Thread

[PATCH v3 0/5] SCPI Sensor support Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 15:10 +0200
  [PATCH v3 3/5] hwmon: Support sensors exported via ARM SCP interface Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 15:10 +0200
  [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 15:10 +0200
    Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI  sensors Mark Rutland <mark.rutland@arm.com> - 2015-09-14 15:20 +0200
      Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 15:40 +0200
        Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI  sensors Mark Rutland <mark.rutland@arm.com> - 2015-09-14 16:00 +0200
          Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 16:40 +0200
            Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI  sensors Mark Rutland <mark.rutland@arm.com> - 2015-09-14 16:50 +0200
              Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 17:10 +0200
                Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI  sensors Mark Rutland <mark.rutland@arm.com> - 2015-09-14 17:20 +0200
                Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 18:10 +0200
            Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI  sensors "Jon Medhurst (Tixy)" <tixy@linaro.org> - 2015-09-14 20:20 +0200
              Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-15 11:40 +0200
                Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI  sensors "Jon Medhurst (Tixy)" <tixy@linaro.org> - 2015-09-15 12:50 +0200
                Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI  sensors Mark Rutland <mark.rutland@arm.com> - 2015-09-15 13:10 +0200
                Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI  sensors "Jon Medhurst (Tixy)" <tixy@linaro.org> - 2015-09-15 13:40 +0200
                Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-15 18:10 +0200
                Re: [PATCH v3 1/5] Documentation: add DT bindings for ARM SCPI  sensors "Jon Medhurst (Tixy)" <tixy@linaro.org> - 2015-09-15 18:40 +0200
  [PATCH v3 5/5] arm64: dts: Add sensor node to Juno dt Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 15:20 +0200
  [PATCH v3 4/5] hwmon: Support thermal zones registration for SCP temperature sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 15:20 +0200
  [Patch v3 4/5] hwmon: Support registration of thermal zones for SCP temperature sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 15:20 +0200
    Re: [Patch v3 4/5] hwmon: Support registration of thermal zones for SCP temperature sensors Punit Agrawal <punit.agrawal@arm.com> - 2015-09-14 15:20 +0200

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