[PATCH 01/15] dt-bindings: mailbox: Add property for CMDQ secure driver

Jason-JH.Lin jason-jh.lin at mediatek.com
Mon Sep 18 19:21:50 UTC 2023


Add mboxes to define a GCE loopping thread as a secure irq handler.
Add mediatek,event to define a GCE software event siganl as a secure
irq.

These 2 properties are required for CMDQ secure driver.

Signed-off-by: Jason-JH.Lin <jason-jh.lin at mediatek.com>
---
 .../mailbox/mediatek,gce-mailbox.yaml         | 30 +++++++++++++++----
 1 file changed, 24 insertions(+), 6 deletions(-)

diff --git a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
index cef9d7601398..5c9aebe83d2d 100644
--- a/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
+++ b/Documentation/devicetree/bindings/mailbox/mediatek,gce-mailbox.yaml
@@ -49,6 +49,21 @@ properties:
     items:
       - const: gce
 
+  mboxes:
+    description:
+      A mailbox channel used as a secure irq handler in normal world.
+      Using mailbox to communicate with GCE to setup looping thread,
+      it should have this property and a phandle, mailbox specifiers.
+    $ref: /schemas/types.yaml#/definitions/phandle-array
+
+  mediatek,gce-events:
+    description:
+      The event id which is mapping to a software event signal to gce.
+      It is used as a secure irq for every secure gce threads.
+      The event id is defined in the gce header
+      include/dt-bindings/mailbox/mediatek,<chip>-gce.h of each chips.
+    $ref: /schemas/types.yaml#/definitions/uint32-array
+
 required:
   - compatible
   - "#mbox-cells"
@@ -71,20 +86,23 @@ additionalProperties: false
 
 examples:
   - |
-    #include <dt-bindings/clock/mt8173-clk.h>
+    #include <dt-bindings/clock/mediatek,mt8188-clk.h>
     #include <dt-bindings/interrupt-controller/arm-gic.h>
     #include <dt-bindings/interrupt-controller/irq.h>
+    #include <dt-bindings/mailbox/mediatek,mt8188-gce.h>
 
     soc {
         #address-cells = <2>;
         #size-cells = <2>;
 
-        gce: mailbox at 10212000 {
-            compatible = "mediatek,mt8173-gce";
-            reg = <0 0x10212000 0 0x1000>;
-            interrupts = <GIC_SPI 135 IRQ_TYPE_LEVEL_LOW>;
+        gce0: mailbox at 10320000 {
+            compatible = "mediatek,mt8188-gce";
+            reg = <0 0x10320000 0 0x4000>;
+            interrupts = <GIC_SPI 226 IRQ_TYPE_LEVEL_HIGH 0>;
             #mbox-cells = <2>;
-            clocks = <&infracfg CLK_INFRA_GCE>;
+            clocks = <&infracfg_ao CLK_INFRA_AO_GCE>;
             clock-names = "gce";
+            mboxes = <&gce0 15 CMDQ_THR_PRIO_1>;
+            mediatek,gce-events = <CMDQ_SYNC_TOKEN_SECURE_THR_EOF>;
         };
     };
-- 
2.18.0



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