On Wed, Mar 21, 2012 at 01:44:35AM +0800, Stephen Warren wrote:

The core pin controller bindings define:
* The fact that pin controllers expose pin configurations as nodes in
  device tree.
* That the bindings for those pin configuration nodes is defined by the
  individual pin controller drivers.
* A standardized set of properties for client devices to define numbered
  or named pin configuration states, each referring to some number of the
  afore-mentioned pin configuration nodes.
* That the bindings for the client devices determines the set of numbered
  or named states that must exist.

Signed-off-by: Stephen Warren <redacted>
Acked-by: Shawn Guo <redacted>
Acked-by: Tony Lindgren <redacted>
Acked-by: Linus Walleij <redacted>
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v2: Fix a couple of grammar-os per Randy Dunlap. Add example of a client
device that references no pin configuration nodes per Dong Aisheng.
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Acked-by: Dong Aisheng <redacted>

Regards
Dong Aisheng