Hi Andreas,
On Tue, Jul 29, 2014 at 6:12 PM, Andreas Färber <afaerber@xxxxxxx> wrote:
> Hi Thomas,
>
> Am 29.07.2014 14:35, schrieb Thomas Abraham:
>> On Tue, Jul 29, 2014 at 5:38 PM, Andreas Färber <afaerber@xxxxxxx> wrote:
>>> Am 29.07.2014 07:28, schrieb Thomas Abraham:
>>>> diff --git a/arch/arm/boot/dts/exynos5250-cros-common.dtsi b/arch/arm/boot/dts/exynos5250-cros-common.dtsi
>>>> index 89ac90f..34bb31c 100644
>>>> --- a/arch/arm/boot/dts/exynos5250-cros-common.dtsi
>>>> +++ b/arch/arm/boot/dts/exynos5250-cros-common.dtsi
>>>> @@ -19,6 +19,12 @@
>>>> chosen {
>>>> };
>>>>
>>>> + cpus {
>>>> + cpu@0 {
>>>> + cpu0-supply = <&buck2_reg>;
>>>> + };
>>>> + };
>>>> +
>>>> pinctrl@11400000 {
>>>> /*
>>>> * Disabled pullups since external part has its own pullups and
>>>
>>> I've been instructed to dismantle this .dtsi file, so please place this
>>> into exynos5250-snow.dts. It's probably wrong here anyway, since Spring
>>> doesn't use the max77686 but an s5m6787 PMIC.
>>
>> Ok, I will move this to exynos5250-snow.dts.
>>
>>>
>>> How do I find out which -supply to specify here for Spring?
>>
>> This information can be found in the Spring board schematic.
>
> Are those available publicly somewhere? I guess not...
I am not sure if it is available publicly. Doug (Cc'ed on this email)
might have it.
>
>>> Also, wouldn't it make sense to assign a cpu0 label in exynos????.dtsi
>>> to override it via &cpu0 { ... };?
>>
>> Sorry, I did not understand the question.
>
> Instead of adding
>
> cpus { cpu@0 { ... }; };
>
> to the board's / node, I am suggesting you do in the SoC's .dtsi:
>
> - cpu@0 {
> + cpu0: cpu@0 {
>
> and then in the board's file after / { ... }; add the following:
>
> &cpu0 {
> cpu0-supply = <&buck2_reg>;
> };
>
> This is the new preferred way to override or extend inherited nodes, I
> am told. (&cpu0 should be inserted in alphabetical order then.)
Okay, thanks for the clarification. I will update as per the preferred way.
Thanks,
Thomas.
>
> Cheers,
> Andreas
>
> --
> SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg, Germany
> GF: Jeff Hawn, Jennifer Guild, Felix Imendörffer; HRB 16746 AG Nürnberg
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