On 15:20-20190722, Suman Anna wrote:
> The AM65x Main NavSS block contains a Mailbox IP instance with
> multiple clusters. Each cluster is equivalent to an Mailbox IP
> instance on OMAP platforms.
>
> Add all the Mailbox clusters as their own nodes under the MAIN
> NavSS cbass_main_navss interconnect node instead of creating an
> almost empty parent node for the new K3 mailbox IP and the clusters
> as its child nodes. All these nodes are marked as disabled, and
> they need to be enabled along with the appropriate child nodes
> on a need basis.
>
> NOTE:
> The NavSS only has a limited number of interrupts, so all the
> interrupts generated by a Mailbox IP are not added by default.
> Only the needed interrupts that are targeted towards the A53
> GIC will need to be be added later on when some sub-mailbox
> child nodes are added.
>
> Signed-off-by: Suman Anna <s-anna@xxxxxx>
> ---
> arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 108 +++++++++++++++++++++++
> 1 file changed, 108 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> index 8413e80f9d3a..0b3ea2a871ee 100644
> --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
> @@ -419,6 +419,114 @@
> reg = <0x00 0x30e00000 0x00 0x1000>;
> #hwlock-cells = <1>;
> };
> +
> + mailbox0_cluster0: mailbox@31f80000 {
> + compatible = "ti,am654-mailbox";
> + reg = <0x00 0x31f80000 0x00 0x200>;
> + #mbox-cells = <1>;
> + ti,mbox-num-users = <4>;
> + ti,mbox-num-fifos = <16>;
> + status = "disabled";
We don't use status="disabled" as default so far.
--
Regards,
Nishanth Menon
