Re: [PATCH 1/2] Documentation: dt: mailbox: Add TI Message Manager

From: Jassi Brar
Date: Mon Feb 08 2016 - 23:14:26 EST


On Fri, Feb 5, 2016 at 10:04 PM, Nishanth Menon <nm@xxxxxx> wrote:
> +
> + msgmgr: msgmgr@02a00000 {
> + compatible = "ti,k2g-message-manager", "ti,message-manager";
> + #mbox-cells = <1>;
> + reg-names = "queue_proxy_region", "queue_state_debug_region";
> + reg = <0x02a00000 0x400000>, <0x028c3400 0x400>;
> +
> + msgmgr_proxy_pmmc_tx_prio0: pmmc_tx_prio0 {
> + ti,queue-id = <0>;
> + ti,proxy-id = <0>;
> + };
> +
> + msgmgr_proxy_pmmc_rx: pmmc_rx {
> + ti,queue-id = <5>;
> + ti,proxy-id = <2>;
> + interrupt-names = "rx";
> + interrupts = <GIC_SPI 324 IRQ_TYPE_EDGE_RISING>;
> + };
> + };
> +
I think we should get rid of consumer specifics from the provider node...

> +...
> + pmmc {
> + ...
> + mbox-names = "tx", "rx";
> + mboxes = <&msgmgr &msgmgr_proxy_pmmc_tx>
> + <&msgmgr &msgmgr_proxy_pmmc_rx>;
> + ...
> + };
>
... and have consumers like
pmmc {
...
mbox-names = "tx", "rx";
mboxes = <&msgmgr 0 0>
<&msgmgr 5 2>;
};

I leave the IRQ for you to decide how to specify - a 'dummy' or
'valid' always provided as last cell in mboxes or some other way.
(I'll review other patches in detail later)

cheers.