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 enabled by default in the base dtsi file, but any cluster that does not define any child sub-mailbox nodes should be disabled in the corresponding board dts files. NOTE: The NavSS only has a limited number of interrupts, so none of the interrupts generated by a Mailbox IP are added by default. Only the needed interrupts that are targeted towards the A53 GIC will have to be added later on in the board dts files alongside the corresponding sub-mailbox child nodes. Signed-off-by: Suman Anna <s-anna@xxxxxx> --- v2: - Add interrupt-parent property and enable all clusters by default - Patch description revised accordingly v1: https://patchwork.kernel.org/patch/11053403/ 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..24c66f09e899 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>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster1: mailbox@31f81000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f81000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster2: mailbox@31f82000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f82000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster3: mailbox@31f83000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f83000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster4: mailbox@31f84000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f84000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster5: mailbox@31f85000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f85000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster6: mailbox@31f86000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f86000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster7: mailbox@31f87000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f87000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster8: mailbox@31f88000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f88000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster9: mailbox@31f89000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f89000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster10: mailbox@31f8a000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f8a000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; + + mailbox0_cluster11: mailbox@31f8b000 { + compatible = "ti,am654-mailbox"; + reg = <0x00 0x31f8b000 0x00 0x200>; + #mbox-cells = <1>; + ti,mbox-num-users = <4>; + ti,mbox-num-fifos = <16>; + interrupt-parent = <&intr_main_navss>; + }; }; main_gpio0: main_gpio0@600000 { -- 2.22.0
