Re: [PATCH 2/3] thermal: Add Mediatek thermal controller support

Daniel Lezcano
2015-08-20T22:29:27Z

On 08/21/2015 12:20 AM, Eduardo Valentin wrote:
> On Thu, Aug 20, 2015 at 10:06:01AM +0200, Sascha Hauer wrote:
>> This adds support for the Mediatek thermal controller found on MT8173
>> and likely other SoCs.
>> The controller is a bit special. It does not have its own ADC, instead
>> it controls the on-SoC AUXADC via AHB bus accesses. For this reason
>> we need the physical address of the AUXADC. Also it controls a mux
>> using AHB bus accesses, so we need the APMIXEDSYS physical address aswell.
>>
>> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
>> ---

[ ... ]

>> + /*
>> + * These calibration values should finally be provided by the
>> + * firmware or fuses. For now use default values.
>> + */
>> + mt->calib_slope = -123;
>> + mt->calib_offset = 465124;
>
> Would it make sense to use the coefficients device tree property to
> describe the sensor slope and offset?

Trim the mail when possible please.

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