diff mbox series

[v5,3/7] dt-bindings: remoteproc: Add processor identifier property

Message ID 20240521081001.2989417-4-arnaud.pouliquen@foss.st.com (mailing list archive)
State Superseded
Headers show
Series Introduction of a remoteproc tee to load signed firmware | expand

Commit Message

Arnaud POULIQUEN May 21, 2024, 8:09 a.m. UTC
Add the "st,proc-id" property allowing to identify the remote processor.
This ID is used to define an unique ID, common between Linux, U-boot and
OP-TEE to identify a coprocessor.
This ID will be used in request to OP-TEE remoteproc Trusted Application
to specify the remote processor.

Signed-off-by: Arnaud Pouliquen <arnaud.pouliquen@foss.st.com>
---
 .../devicetree/bindings/remoteproc/st,stm32-rproc.yaml     | 7 +++++++
 1 file changed, 7 insertions(+)
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
index 36ea54016b76..409123cd4667 100644
--- a/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/st,stm32-rproc.yaml
@@ -48,6 +48,10 @@  properties:
           - description: The offset of the hold boot setting register
           - description: The field mask of the hold boot
 
+  st,proc-id:
+    description: remote processor identifier
+    $ref: /schemas/types.yaml#/definitions/uint32
+
   st,syscfg-tz:
     deprecated: true
     description:
@@ -182,6 +186,8 @@  allOf:
         st,syscfg-holdboot: false
         reset-names: false
         resets: false
+      required:
+        - st,proc-id
 
 additionalProperties: false
 
@@ -220,6 +226,7 @@  examples:
       reg = <0x10000000 0x40000>,
             <0x30000000 0x40000>,
             <0x38000000 0x10000>;
+      st,proc-id = <0>;
       st,syscfg-rsc-tbl = <&tamp 0x144 0xFFFFFFFF>;
       st,syscfg-m4-state = <&tamp 0x148 0xFFFFFFFF>;
     };