[PATCH v4 1/4] dt-bindings: mailbox: Document Hi6220 mailbox driver
jassisinghbrar at gmail.com
Thu Oct 15 21:56:48 PDT 2015
On Mon, Oct 12, 2015 at 10:02 PM, Leo Yan <leo.yan at linaro.org> wrote:
> +Mailbox Device Node:
> +Required properties:
> +- compatible: Shall be "hisilicon,hi6220-mbox"
> +- reg: Contains the mailbox register address range (base
> + address and length); the first item is for IPC
> + registers, the second item is shared buffer for
> + slots.
Is the shared-buffer a part of mailbox controller or just regular
memory that could be used for purposes other than mailbox also? If
latter, please remove it from here.
> +Mailbox client
> +"mboxes" and the optional "mbox-names" (please see
> +Documentation/devicetree/bindings/mailbox/mailbox.txt for details). Each value
> +of the mboxes property should contain a phandle to the mailbox controller
> +device node and second argument is the channel index. It must be 0 (hardware
> +support only one channel).
sorry, what must be 0? You have MBOX_CHAN_MAX and MBOX_CHAN_NUM as 32
and 2 in the driver.
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