serial: omap-serial : Enhance pinctrl support
Update omap-serial driver to set the state of the pins to: - "sleep" on suspend - "default" on resume By optionally putting the pins into sleep state in the suspend callback we can accomplish two things. - minimize current leakage from pins and thus save power, - prevent the IP from driving pins output in an uncontrolled manner, which may happen if the power domain drops the domain regulator. Signed-off-by:Dave Gerlach <d-gerlach@ti.com> Signed-off-by:
Sekhar Nori <nsekhar@ti.com>
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