Mark Brown [off-list ref] 於 2020年8月25日 週二 下午5:34寫道：

On Tue, Aug 25, 2020 at 05:21:06PM +0800, Gene Chen wrote:

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Mark Brown [off-list ref] 於 2020年8月25日 週二 上午3:49寫道：

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So shouldn't there be a documented LDO_VIN1/2 then?

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LDO_VINx is HW design layout, so actually it can't be changed by device tree.
LDO_VIN1/LDO_VIN2 supply from VSYS, not regulator, so I think usually
not to show the supply from in device tree.
or I should declare a dummy reference to system power like "*-supply =
<&system_power>;"?

When you say it's from the hardware design do you mean it's fixed by the
silicon or is this something that's fixed in the board?

fixed in the board, not silicon.

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