USB power delivery controller sharing
First Claim
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1. A system for sharing a power delivery controller, comprising:
- a plurality of ports; and
a power delivery controller communicatively coupled to the plurality of ports, and the power delivery controller is to;
rotate between the plurality of ports to determine a particular port of the plurality of ports that has access to the power delivery controller;
negotiate with the plurality of ports by advertising capabilities of a computing device that comprises the power delivery controller and the plurality of ports at each port of the plurality of ports;
send a first message to the particular port of the plurality of ports; and
remain connected to the particular port and enable power delivery to the particular port in response to a particular return message from the port.
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Abstract
A system for sharing a power delivery controller is described herein. The system includes a plurality of ports and a power delivery controller communicatively coupled to the plurality of ports. The power delivery controller is to send a first message to a particular port of the plurality of ports and remain connected to the particular port and enable power delivery to the particular port in response to a particular return message from the port.
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Citations
20 Claims
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1. A system for sharing a power delivery controller, comprising:
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a plurality of ports; and a power delivery controller communicatively coupled to the plurality of ports, and the power delivery controller is to; rotate between the plurality of ports to determine a particular port of the plurality of ports that has access to the power delivery controller; negotiate with the plurality of ports by advertising capabilities of a computing device that comprises the power delivery controller and the plurality of ports at each port of the plurality of ports; send a first message to the particular port of the plurality of ports; and remain connected to the particular port and enable power delivery to the particular port in response to a particular return message from the port. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A method for sharing a power delivery controller, comprising:
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polling a plurality of Universal Serial Bus (USB) ports by rotating between the plurality of ports to determine a particular port of the plurality of ports that has access to the power delivery controller; negotiating with the plurality of ports by advertising capabilities of a computing device that comprises the power delivery controller and the plurality of ports at each port of the plurality of ports; sending a first message to each port of the plurality of USB ports; and coupling to a particular port of the plurality of ports in response to a return message from the particular port, wherein power is delivered to the particular port. - View Dependent Claims (10, 11, 12, 13)
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14. A tangible, non-transitory, computer-readable medium comprising code to direct a processor to:
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rotate between a plurality of ports to determine a particular port of the plurality of ports that has access to the power delivery controller; negotiate with the plurality of ports by advertising capabilities of a computing device that comprises a power delivery controller and the plurality of ports at each port of the plurality of ports; send a first message to the particular port of the plurality of ports; couple to the particular port of the plurality of ports in response to a return message from the port; and deliver power to the particular port. - View Dependent Claims (15, 16, 17, 18, 19, 20)
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Specification