extres/phy: Add mode setting function.

Modern multi-protocol phys are capable of supporting multiple different
protocols. Add a method for mode (and/or its variants) setting.

Discused with: ganbold

extres/phy: Add mode setting function.

Modern multi-protocol phys are capable of supporting multiple different
protocols. Add a method for mode (and/or its variants) setting.

Discused with: ganbold, manu, andrew
MFC after: 3 weeks

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Revert "Enable setting the phy id."

This reverts commit 6692670f58f9069e59bc0c958fdaefb9bea5f726.

Enable setting the phy id.

It is needed for the RK356X combo phy.

Only include phydev_if.h when needed

We only need to include phydev_if.h in phy.c when FDT is enabled and
don't need it at all in phy_usb.c.

Sponsored by: Innovate UK

extres: Unify error codes for <foo>_get_by_ofw_property() methods.
Return:
- ENOENT if requested property doesn't exist
- ENODEV if producer device is not (yet) attached
- ENXIO otherwise

MFC aft

extres: Unify error codes for <foo>_get_by_ofw_property() methods.
Return:
- ENOENT if requested property doesn't exist
- ENODEV if producer device is not (yet) attached
- ENXIO otherwise

MFC after: 2 weeks

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Properly define and declare phynode_topo_lock,
it should be single global variable.

X-MFC with: r340845
Noticed by: phynode_topo_lock

Derive PHY class to new one specialized for USB PHY functions.

Submitted by: mmel

Align OF_getencprop_alloc API with OF_getencprop and OF_getprop_alloc

Change OF_getencprop_alloc semantics to be combination of malloc and
OF_getencprop and return size of the property, not number o

Align OF_getencprop_alloc API with OF_getencprop and OF_getprop_alloc

Change OF_getencprop_alloc semantics to be combination of malloc and
OF_getencprop and return size of the property, not number of elements
allocated.

For the use cases where number of elements is preferred introduce
OF_getencprop_alloc_multi helper function that copies semantics
of OF_getencprop_alloc prior to this change.

This is to make OF_getencprop_alloc and OF_getencprop_alloc_multi
function signatures consistent with OF_getencprop_alloc and
OF_getencprop_alloc_multi.

Functionality-wise this patch is mostly rename of OF_getencprop_alloc
to OF_getencprop_alloc_multi except two calls in ofw_bus_setup_iinfo
where 1 was used as a block size.

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Convert extres/phy to kobj model.
Similarly as other extres pseudo-drivers, implement phy by using kobj model.
This detaches it from provider device, so single device driver can export
multiple diffe

Convert extres/phy to kobj model.
Similarly as other extres pseudo-drivers, implement phy by using kobj model.
This detaches it from provider device, so single device driver can export
multiple different phys. Additionally, this allows phy to be subclassed to
more specialized drivers, like is USB OTG phy, or PCIe phy with hot-plug
capability.

Tested by: manu (previous version, on Allwinner board)
MFC after: 1 month

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EXTRES: Add OF node as argument to all <foo>_get_by_ofw_<bar>() functions.
In some cases, the driver must handle given properties located in
specific OF subnode. Instead of creating duplicate set of

EXTRES: Add OF node as argument to all <foo>_get_by_ofw_<bar>() functions.
In some cases, the driver must handle given properties located in
specific OF subnode. Instead of creating duplicate set of function, add
'node' as argument to existing functions, defaulting it to device OF node.

MFC after: 3 weeks

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Use OF_prop_free instead of direct call to free(9)

Reviewed by: mmel@

Add phy framework, a next part of new 'extended resources' family of
support frameworks (i.e. clk/regulators/tsensors/fuses...).

It provides simple unified consumers interface for manipulations with

Add phy framework, a next part of new 'extended resources' family of
support frameworks (i.e. clk/regulators/tsensors/fuses...).

It provides simple unified consumers interface for manipulations with
phy (USB/SATA/PCIe) resources.

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