[PATCHv5 2/5] ARM: dts: Odroid-XU3 Enable TMU at Exynos5422 base

Anand Moon linux.amoon at gmail.com
Wed May 13 01:45:15 PDT 2015


On 13 May 2015 at 14:02, Krzysztof Kozlowski <k.kozlowski at samsung.com> wrote:
> 2015-05-13 17:21 GMT+09:00 Anand Moon <linux.amoon at gmail.com>:
>> On 13 May 2015 at 12:51, Krzysztof Kozlowski <k.kozlowski at samsung.com> wrote:
>>> 2015-05-13 15:36 GMT+09:00 Anand Moon <linux.amoon at gmail.com>:
>>>> This changes enables TMU IP block on the Exynos5422 Odroid-XU3
>>>> device.
>>>>
>>>> Tested-by: Markus Reichl <m.reichl at fivetechno.de>
>>>> Acked-by: Lukasz Majewski <l.majewski at samsung.com>
>>>> Signed-off-by: Anand Moon <linux.amoon at gmail.com>
>>>> ---
>>>>  arch/arm/boot/dts/exynos5422-odroidxu3.dts | 25 +++++++++++++++++++++++++
>>>>  1 file changed, 25 insertions(+)
>>>>
>>>> diff --git a/arch/arm/boot/dts/exynos5422-odroidxu3.dts b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
>>>> index 9446e28..cd78816 100644
>>>> --- a/arch/arm/boot/dts/exynos5422-odroidxu3.dts
>>>> +++ b/arch/arm/boot/dts/exynos5422-odroidxu3.dts
>>>> @@ -319,6 +319,31 @@
>>>>                 #cooling-cells = <2>;
>>>>                 cooling-levels = <0 130 170 230>;
>>>>         };
>>>> +
>>>> +       tmu at 10060000 {
>>>
>>> Here and for other overrides please use label notation, like:
>>>
>>> &tmu_cpu0 {
>>>               ...
>>> };
>>>
>>>> +               vtmu-supply = <&ldo10_reg>;
>>>
>>> I am curious, how did you find that LDO10 supplies TMU unit?
>>>
>>> Best regards,
>>> Krzysztof
>>
>> Hi Krzysztof,
>>
>> I have re-base my work on earlier Lukasz Majewski patches.
>>
>> https://patchwork.kernel.org/patch/5693201/
>
> NAK.
> I am sorry, but this is not sufficient explanation. Actually such
> explanation could mean that you did just blindly copied everything
> instead of developing it.
>
> You cannot use some regulator here just because some Exynos4 boards
> use it. You have to be sure that this regulator supplies this part of
> SoC or device.

Hi Krzysztof,

Ok as if now I don't clearly know how I works. But I will study the
regulators and update it.

Lukasz Majewski could you help me out on how it suppose to be,

-Anand Moon



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