On Tue, Jun 13, 2017 at 06:46:28PM +0100, Mark Brown wrote:
> On Tue, Jun 13, 2017 at 04:41:58PM +0200, Michał Mirosław wrote:
> > This allows for (acyclic) references from tps6591x supplies to
> > its outputs.
> This is clearly not something that should be open coded in individual
> drivers, aside from the code duplication it is obviously possible to
> have two different chips supplying each other which this wouldn't help
> at all. Is this happening for you with current kernels, we have a few
> mechanisms for deferring bindings of supplies which should help here.
What mechanisms would that be? What I observed is that whenever
a regulator's supply is not available but described in device-tree,
the whole device's registration is deferred.
The device-tree I'm working on contains:
pmic: tps65911@2d {
compatible = "ti,tps65911";
reg = <0x2d>;
...
vcc3-supply = <&vio_reg>; // ldo6, ldo7, ldo8
...
regulators {
vio_reg: vio {
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
regulator-always-on;
};
...
}
}
Best Regards,
Michał Mirosław
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