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Define generic bindings for the framework clients to request mailbox channels. Reviewed-by: Mark Brown <broonie@linaro.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
39 lines
887 B
Plaintext
39 lines
887 B
Plaintext
* Generic Mailbox Controller and client driver bindings
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Generic binding to provide a way for Mailbox controller drivers to
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assign appropriate mailbox channel to client drivers.
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* Mailbox Controller
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Required property:
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- #mbox-cells: Must be at least 1. Number of cells in a mailbox
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specifier.
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Example:
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mailbox: mailbox {
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...
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#mbox-cells = <1>;
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};
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* Mailbox Client
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Required property:
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- mboxes: List of phandle and mailbox channel specifiers.
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Optional property:
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- mbox-names: List of identifier strings for each mailbox channel
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required by the client. The use of this property
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is discouraged in favor of using index in list of
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'mboxes' while requesting a mailbox. Instead the
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platforms may define channel indices, in DT headers,
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to something legible.
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Example:
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pwr_cntrl: power {
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...
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mbox-names = "pwr-ctrl", "rpc";
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mboxes = <&mailbox 0
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&mailbox 1>;
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};
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