[PATCH v3 1/1] dt-bindings: remoteproc: imx_rproc: add minItems for power-domain

[Frank Li]

"fsl,imx8qxp-cm4" and "fsl,imx8qm-cm4" need minimum 2 power domains. Other
platform doesn't require 'power-domain'.

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---

Notes:
    Change from v2 to v3
    - only imx8qxp and imx8qm need power-domain, other platform don't need it.
    - update commit message.
    
    Change from v1 to v2
    - set minitem to 2 at top
    - Add imx8qm compatible string also
    - use not logic to handle difference compatible string restriction
    - update commit message.
    
    pass dt_binding_check.
    
    make ARCH=arm64 CROSS_COMPILE=aarch64-linux-gnu- -j8  dt_binding_check DT_SCHEMA_FILES=fsl,imx-rproc.yaml
      SCHEMA  Documentation/devicetree/bindings/processed-schema.json
      CHKDT   Documentation/devicetree/bindings
      LINT    Documentation/devicetree/bindings
      DTEX    Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.example.dts
      DTC_CHK Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.example.dtb

 .../bindings/remoteproc/fsl,imx-rproc.yaml        | 15 +++++++++++++++
 1 file changed, 15 insertions(+)

diff --git a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
index df36e29d974ca..57d75acb0b5e5 100644
--- a/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
+++ b/Documentation/devicetree/bindings/remoteproc/fsl,imx-rproc.yaml
@@ -59,6 +59,7 @@ properties:
     maxItems: 32
 
   power-domains:
+    minItems: 2
     maxItems: 8
 
   fsl,auto-boot:
@@ -99,6 +100,20 @@ allOf:
       properties:
         fsl,iomuxc-gpr: false
 
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - fsl,imx8qxp-cm4
+              - fsl,imx8qm-cm4
+    then:
+      required:
+        - power-domains
+    else:
+      properties:
+        power-domains: false
+
 additionalProperties: false
 
 examples:
-- 
2.34.1