Hi Alex,
On Thu, 25 Jul 2019 at 23:20, @lex <alex.mob...@gmail.com> wrote:
>
> Hi Clément,
>
> I am using the H3 THS driver, maybe this needs a rewrite.
> 3.15.3.2. Temperature Conversion Formula TBD. Could be just that, but who
> knows.
> At least i tried.
Yes maybe the formula is different but I just check for the
calibration data and my previous message was wrong.
The calibration data for the H3 are pointing to the SID (internal eeprom).
H3 => 0x01C1 4000
R40 => 0x01C1 B000
So maybe you can try with this bindings.
reg = <0x1c24c00 0x400>,
<0x01c1b234 0x4>;
Hope this can help.
Regards,
Clément
>
> Thank you anyway.
>
> On Thursday, July 25, 2019 at 5:37:39 PM UTC-3, Clément Péron wrote:
>>
>> Hi Alex,
>>
>> On Thu, 25 Jul 2019 at 22:01, @lex <alex....@gmail.com> wrote:
>> >
>> > Thank you for the info.
>> >
>> > Almost there, i get negative values for the temp, still something missing
>> > or wrong.
>>
>> This mean that the calibration data are wrong.
>>
>> I don't know where the H3 is looking for his callibration data.
>>
>> But the R40 seems to have a register for that with an offset of 0x74:
>> Maybe you should try :
>> reg = <0x1c24c00 0x400>,
>> <0x1c24c74 0x4>;
>>
>> Else you have to open the H3 user manual and understand what this
>> "0x01c14234" address is pointing to.
>> And look for the same information for R40.
>>
>> Regards,
>> Clément
>>
>> >
>> > I came up with this:
>> >
>> >> ths: ths@1c24c00 {
>> >> #thermal-sensor-cells = <0>;
>> >> compatible = "allwinner,sun8i-h3-ths";
>> >> reg = <0x1c24c00 0x400>,
>> >> <0x01c14234 0x4>;
>> >> reg-names = "ths", "calibration";
>> >> interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
>> >> resets = <&ccu RST_BUS_THS>;
>> >> reset-names = "ahb";
>> >> clocks = <&ccu CLK_BUS_THS>, <&ccu CLK_THS>;
>> >> clock-names = "ahb", "ths";
>> >> };
>> >
>> >
>> > On Thursday, July 25, 2019 at 4:28:07 PM UTC-3, Clément Péron wrote:
>> >>
>> >> Hi Alex,
>> >>
>> >> On Thu, 25 Jul 2019 at 19:12, @lex <alex....@gmail.com> wrote:
>> >> >
>> >> > Hi Clément,
>> >> >
>> >> > No. i did not read the R40 manual until now, Base address: 1c24c00
>> >> > But how to find the correct interrupt number and the correct Mapping in
>> >> > the Manual? What should o look for?
>> >> You have to look for GIC interrupt table (page 205).
>> >> And you have to find the correct interrupt number.
>> >> To have it you have to subtract 32 (the first 32 interrupts are ARM
>> >> reserved).
>> >>
>> >> Regards,
>> >> Clément
>> >>
>> >> >
>> >> > Thanks for the answer.
>> >> >
>> >> > @lex
>> >> >
>> >> >
>> >> >
>> >> > On Wednesday, July 24, 2019 at 1:46:47 PM UTC-3, @lex wrote:
>> >> >>
>> >> >> Hi,
>> >> >>
>> >> >> I am trying to get the thermal readout to work on bpi m2 ultra using
>> >> >> the same setup from the H3 without success.
>> >> >> i get:
>> >> >> [ 802.038807] thermal thermal_zone0: failed to read out thermal zone
>> >> >> (-16)
>> >> >>
>> >> >> Anyone have this working or have a fix for this?
>> >> >>
>> >> >> This is what i am using:
>> >> >>
>> >> >> ths: ths@1c25000 {
>> >> >> #thermal-sensor-cells = <0>;
>> >> >> compatible = "allwinner,sun8i-h3-ths";
>> >> >> reg = <0x01c25000 0x400>,
>> >> >> <0x01c14234 0x4>;
>> >> >> reg-names = "ths", "calibration";
>> >> >> interrupts = <GIC_SPI 31 IRQ_TYPE_LEVEL_HIGH>;
>> >> >> resets = <&ccu RST_BUS_THS>;
>> >> >> reset-names = "ahb";
>> >> >> clocks = <&ccu CLK_BUS_THS>, <&ccu CLK_THS>;
>> >> >> clock-names = "ahb", "ths";
>> >> >> };
>> >> >>
>> >> >> BR
>> >> >
>> >> > --
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