On Tue, Oct 04, 2016 at 05:26:43PM +0530, Viresh Kumar wrote:

On certain platforms (like TI), DVFS for a single device (CPU) requires
configuring multiple power supplies.

The OPP bindings already contains binding and example to explain this
case, but it isn't sufficient. For example, there is no way for the code
parsing these bindings to know which voltage values belong to which
power supply. Also its not possible to know the order in which the
supplies need to be configured while switching OPPs.

This patch tries to clarify on those details and does some minor changes
as well.

Note that the bindings do not specify the order in which the regulators
need to be programmed and the order in which the entries are added for
the supplies.

The user of the bindings (like the kernel) shall know these details
already and the DT is responsible to supply only the readings for the
regulators.

Cc: Mark Brown <redacted>
Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Signed-off-by: Viresh Kumar <redacted>
---
 Documentation/devicetree/bindings/opp/opp.txt | 25 +++++++++++++++++--------
 1 file changed, 17 insertions(+), 8 deletions(-)

Acked-by: Rob Herring <redacted>
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