On Mon, Sep 16, 2013 at 12:28:43PM +0800, Wei Ni wrote: > On 09/12/2013 11:00 PM, Stephen Warren wrote: > >> +- vcc-supply: vcc regulator for the supply voltage. > >> + If this is not set, assuming vcc is always powered. > > I thought that was going to be a "Required Property". > There may have many platforms without regulator, they always power on > this device, so how can they set this "vcc-supply "property if we set it > as "Required Property". > Set to dummy-regulator? but it seems the regulator framework can't > handle it yet. To repeat once more: these platforms will physically have a regulator, the device won't function without power and unfortunately the device tree bindings only have optional and required properties.
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