[PATCH 01/12] arm64: dts: exynos: add USB DWC3 supplies to Espresso board

Krzysztof Kozlowski krzysztof.kozlowski at canonical.com
Wed Jan 26 00:10:13 PST 2022


On 26/01/2022 07:58, Alim Akhtar wrote:
> Hi Krzysztof
> 
> On Mon, Jan 24, 2022 at 1:34 PM Krzysztof Kozlowski
> <krzysztof.kozlowski at canonical.com> wrote:
>>
>> Add required voltage regulators for USB DWC3 block on Exynos7 Espresso
>> board.  Due to lack of schematics of Espresso board, the choice of
>> regulators is approximate.  What bindings call VDD10, for Exynos7 should
>> be actually called VDD09 (0.9 V).  Use regulators with a matching
>> voltage range based on vendor sources for Meizu Pro 5 M576 handset (also
>> with Exynos7420).
>>
> 
> I checked Espresso board schematic, it is 0.9V for the USB and supplied by LDO4
> 

Thanks for checking!


Best regards,
Krzysztof



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