1 files changed, 76 insertions, 6 deletions
diff --git a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
index 256e252f8087..4450e2e73b3c 100644
--- a/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
+++ b/Documentation/devicetree/bindings/gpu/img,powervr-rogue.yaml
@@ -12,10 +12,28 @@ maintainers:
 
 properties:
   compatible:
-    items:
-      - enum:
-          - ti,am62-gpu
-      - const: img,img-axe # IMG AXE GPU model/revision is fully discoverable
+    oneOf:
+      - items:
+          - enum:
+              - ti,am62-gpu
+          - const: img,img-axe-1-16m
+          # This deprecated element must be kept around to allow old kernels to
+          # work with newer dts.
+          - const: img,img-axe
+          - const: img,img-rogue
+      - items:
+          - enum:
+              - ti,j721s2-gpu
+          - const: img,img-bxs-4-64
+          - const: img,img-rogue
+
+      # This legacy combination of compatible strings was introduced early on
+      # before the more specific GPU identifiers were used.
+      - items:
+          - enum:
+              - ti,am62-gpu
+          - const: img,img-axe
+        deprecated: true
 
   reg:
     maxItems: 1
@@ -35,6 +53,18 @@ properties:
     maxItems: 1
 
   power-domains:
+    minItems: 1
+    maxItems: 2
+
+  power-domain-names:
+    items:
+      - const: a
+      - const: b
+    minItems: 1
+
+  dma-coherent: true
+
+  resets:
     maxItems: 1
 
 required:
@@ -47,11 +77,49 @@ required:
 additionalProperties: false
 
 allOf:
+  # Constraints added alongside the new compatible strings that would otherwise
+  # create an ABI break.
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: img,img-rogue
+    then:
+      required:
+        - power-domains
+        - power-domain-names
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: img,img-axe-1-16m
+    then:
+      properties:
+        power-domains:
+          maxItems: 1
+        power-domain-names:
+          maxItems: 1
+
+  - if:
+      properties:
+        compatible:
+          contains:
+            const: img,img-bxs-4-64
+    then:
+      properties:
+        power-domains:
+          minItems: 2
+        power-domain-names:
+          minItems: 2
+
   - if:
       properties:
         compatible:
           contains:
-            const: ti,am62-gpu
+            enum:
+              - ti,am62-gpu
+              - ti,j721s2-gpu
     then:
       properties:
         clocks:
@@ -64,10 +132,12 @@ examples:
     #include <dt-bindings/soc/ti,sci_pm_domain.h>
 
     gpu@fd00000 {
-        compatible = "ti,am62-gpu", "img,img-axe";
+        compatible = "ti,am62-gpu", "img,img-axe-1-16m", "img,img-axe",
+                     "img,img-rogue";
         reg = <0x0fd00000 0x20000>;
         clocks = <&k3_clks 187 0>;
         clock-names = "core";
         interrupts = <GIC_SPI 86 IRQ_TYPE_LEVEL_HIGH>;
         power-domains = <&k3_pds 187 TI_SCI_PD_EXCLUSIVE>;
+        power-domain-names = "a";
     };