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arm64: dts: ti: k3-am64: Enable Mailbox nodes at the board level

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Mailbox nodes defined in the top-level AM64x SoC dtsi files are incomplete
and may not be functional unless they are extended with a chosen interrupt
and connection to a remote processor.

As the remote processors depend on memory nodes which are only known at
the board integration level, these nodes should only be enabled when
provided with the above information.

Disable the Mailbox nodes in the dtsi files and only enable the ones that
are actually used on a given board.

Signed-off-by: Andrew Davis <afd@ti.com>
Link: https://lore.kernel.org/r/20230515172137.474626-4-afd@ti.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Andrew Davis
2023-05-15 12:21:36 -05:00
committed by Vignesh Raghavendra
parent 731c6deda8
commit 91f983ff70
4 changed files with 18 additions and 48 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
arch/arm64/boot/dts/ti/k3-am64-main.dtsi
View File

@@ -820,6 +820,7 @@ mailbox0_cluster2: mailbox@29020000 {
#mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <16>;
status = "disabled";
};
mailbox0_cluster3: mailbox@29030000 {
@@ -830,6 +831,7 @@ mailbox0_cluster3: mailbox@29030000 {
#mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <16>;
status = "disabled";
};
mailbox0_cluster4: mailbox@29040000 {
@@ -840,6 +842,7 @@ mailbox0_cluster4: mailbox@29040000 {
#mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <16>;
status = "disabled";
};
mailbox0_cluster5: mailbox@29050000 {
@@ -850,6 +853,7 @@ mailbox0_cluster5: mailbox@29050000 {
#mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <16>;
status = "disabled";
};
mailbox0_cluster6: mailbox@29060000 {
@@ -859,6 +863,7 @@ mailbox0_cluster6: mailbox@29060000 {
#mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <16>;
status = "disabled";
};
mailbox0_cluster7: mailbox@29070000 {
@@ -868,6 +873,7 @@ mailbox0_cluster7: mailbox@29070000 {
#mbox-cells = <1>;
ti,mbox-num-users = <4>;
ti,mbox-num-fifos = <16>;
status = "disabled";
};
main_r5fss0: r5fss@78000000 {

24
arch/arm64/boot/dts/ti/k3-am64-phycore-som.dtsi
View File

@@ -160,30 +160,6 @@ &cpsw_port2 {
status = "disabled";
};
&mailbox0_cluster2 {
status = "disabled";
};
&mailbox0_cluster3 {
status = "disabled";
};
&mailbox0_cluster4 {
status = "disabled";
};
&mailbox0_cluster5 {
status = "disabled";
};
&mailbox0_cluster6 {
status = "disabled";
};
&mailbox0_cluster7 {
status = "disabled";
};
&main_i2c0 {
status = "okay";
pinctrl-names = "default";

18
arch/arm64/boot/dts/ti/k3-am642-evm.dts
View File

@@ -537,6 +537,8 @@ flash@0 {
};
&mailbox0_cluster2 {
status = "okay";
mbox_main_r5fss0_core0: mbox-main-r5fss0-core0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
@@ -548,11 +550,9 @@ mbox_main_r5fss0_core1: mbox-main-r5fss0-core1 {
};
};
&mailbox0_cluster3 {
status = "disabled";
};
&mailbox0_cluster4 {
status = "okay";
mbox_main_r5fss1_core0: mbox-main-r5fss1-core0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
@@ -564,21 +564,15 @@ mbox_main_r5fss1_core1: mbox-main-r5fss1-core1 {
};
};
&mailbox0_cluster5 {
status = "disabled";
};
&mailbox0_cluster6 {
status = "okay";
mbox_m4_0: mbox-m4-0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
};
};
&mailbox0_cluster7 {
status = "disabled";
};
&main_r5fss0_core0 {
mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>;
memory-region = <&main_r5fss0_core0_dma_memory_region>,

18
arch/arm64/boot/dts/ti/k3-am642-sk.dts
View File

@@ -535,6 +535,8 @@ flash@0 {
};
&mailbox0_cluster2 {
status = "okay";
mbox_main_r5fss0_core0: mbox-main-r5fss0-core0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
@@ -546,11 +548,9 @@ mbox_main_r5fss0_core1: mbox-main-r5fss0-core1 {
};
};
&mailbox0_cluster3 {
status = "disabled";
};
&mailbox0_cluster4 {
status = "okay";
mbox_main_r5fss1_core0: mbox-main-r5fss1-core0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
@@ -562,21 +562,15 @@ mbox_main_r5fss1_core1: mbox-main-r5fss1-core1 {
};
};
&mailbox0_cluster5 {
status = "disabled";
};
&mailbox0_cluster6 {
status = "okay";
mbox_m4_0: mbox-m4-0 {
ti,mbox-rx = <0 0 2>;
ti,mbox-tx = <1 0 2>;
};
};
&mailbox0_cluster7 {
status = "disabled";
};
&main_r5fss0_core0 {
mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>;
memory-region = <&main_r5fss0_core0_dma_memory_region>,