Re: [PATCH 4/4 v2] ARM: DTS: Add NTC thermistor nodes to Exynos5420 based Peach_PIT

[Naveen Krishna Ch <naveenkrishna.ch@gmail.com>]

Doug,

On 26 June 2014 02:10, Doug Anderson <dianders@chromium.org> wrote:
> Naveen,
>
> On Tue, Jun 24, 2014 at 11:29 PM, Naveen Krishna Chatradhi
> <ch.naveen@samsung.com> wrote:
>> Exynos5420 based Peach PIT board has 4 NTC thermistors to measure
>> temperatures at various points on the board.
>>
>> IIO based ADC becomes the parent and NTC thermistors are the childs,
>> via the HWMON interface.
>>
>> Signed-off-by: Naveen Krishna Chatradhi <ch.naveen@samsung.com>
>> Cc: Doug Anderson <dianders@chromium.org>
>> ---
>> Changes since v1:
>> 1. Arranged the ADC node alphabetical
>> 2. Added "status = "okay"" to the ADC node
>>
>> This patch needs
>> 1. MAX77802 PMIC device tree nodes (for ldo9)
>>    https://www.mail-archive.com/devicetree@vger.kernel.org/msg31430.html
>> 2. Uses the DT documentation for NTC thermistors updated with vendor-prefix
>>
>> This patch set is tested
>> 1. On Peach PIT board via sysfs entry exposed by hwmon
>> localhost ~ # cat /sys/class/hwmon/hwmon*/device/temp1_input
>> 37436
>> 36449
>> 38560
>> 38059
>>
>> 2. Backward compatibility is tested by replacing "murata" with "ntc"
>>    in the dts nodes and running the above test.
>>
>>  arch/arm/boot/dts/exynos5420-peach-pit.dts |   34 ++++++++++++++++++++++++++++
>>  1 file changed, 34 insertions(+)
>
> Now that Javier has spun his patch, perhaps you can fold the "pi"
> version in here too?

Sure, thanks for the information.

Snow also needs the adc nodes.
Will try to implement an adc fragment for PIT, PI and Snow.

>
> Reviewed-by: Doug Anderson <dianders@chromium.org>
> Tested-by: Doug Anderson <dianders@chromium.org>



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