Add bcm2712-pm compatible and update the bindings to satisfy it's
requirements. The PM hardware block inside bcm2712 lacks the "asb"
and "rpivid_asb" register ranges and also does not has clocks, update
the bindings accordingly.

Signed-off-by: Stanimir Varbanov <svarbanov@suse.de>
---
 .../bindings/soc/bcm/brcm,bcm2835-pm.yaml     | 28 +++++++++++++++----
 1 file changed, 23 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml
index e28ef198a801..c8d3d6131a8d 100644
--- a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml
+++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml
@@ -13,8 +13,7 @@ description: |
 maintainers:
   - Nicolas Saenz Julienne <nsaenz@kernel.org>
 
-allOf:
-  - $ref: /schemas/watchdog/watchdog.yaml#
+$ref: /schemas/watchdog/watchdog.yaml#
 
 properties:
   compatible:
@@ -22,14 +21,15 @@ properties:
       - enum:
           - brcm,bcm2835-pm
           - brcm,bcm2711-pm
+          - brcm,bcm2712-pm
       - const: brcm,bcm2835-pm-wdt
 
   reg:
-    minItems: 2
+    minItems: 1
     maxItems: 3
 
   reg-names:
-    minItems: 2
+    minItems: 1
     items:
       - const: pm
       - const: asb
@@ -62,7 +62,25 @@ required:
   - reg
   - "#power-domain-cells"
   - "#reset-cells"
-  - clocks
+
+allOf:
+  - if:
+      properties:
+        compatible:
+          contains:
+            enum:
+              - brcm,bcm2835-pm
+              - brcm,bcm2711-pm
+    then:
+      required:
+        - clocks
+
+      properties:
+        reg:
+          minItems: 2
+
+        reg-names:
+          minItems: 2
 
 additionalProperties: false
 
-- 
2.47.0

On Wed, Sep 17, 2025 at 09:32:31AM +0300, Stanimir Varbanov wrote:
> Add bcm2712-pm compatible and update the bindings to satisfy it's
> requirements. The PM hardware block inside bcm2712 lacks the "asb"
> and "rpivid_asb" register ranges and also does not has clocks, update
> the bindings accordingly.
> 
> Signed-off-by: Stanimir Varbanov <svarbanov@suse.de>
> ---
>  .../bindings/soc/bcm/brcm,bcm2835-pm.yaml     | 28 +++++++++++++++----
>  1 file changed, 23 insertions(+), 5 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml
> index e28ef198a801..c8d3d6131a8d 100644
> --- a/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml
> +++ b/Documentation/devicetree/bindings/soc/bcm/brcm,bcm2835-pm.yaml
> @@ -13,8 +13,7 @@ description: |
>  maintainers:
>    - Nicolas Saenz Julienne <nsaenz@kernel.org>
>  
> -allOf:
> -  - $ref: /schemas/watchdog/watchdog.yaml#
> +$ref: /schemas/watchdog/watchdog.yaml#

Please move this down with the allof.

>  
>  properties:
>    compatible:
> @@ -22,14 +21,15 @@ properties:
>        - enum:
>            - brcm,bcm2835-pm
>            - brcm,bcm2711-pm
> +          - brcm,bcm2712-pm
>        - const: brcm,bcm2835-pm-wdt
>  
>    reg:
> -    minItems: 2
> +    minItems: 1
>      maxItems: 3
>  
>    reg-names:
> -    minItems: 2
> +    minItems: 1
>      items:
>        - const: pm
>        - const: asb
> @@ -62,7 +62,25 @@ required:
>    - reg
>    - "#power-domain-cells"
>    - "#reset-cells"
> -  - clocks
> +
> +allOf:
> +  - if:
> +      properties:
> +        compatible:
> +          contains:
> +            enum:
> +              - brcm,bcm2835-pm
> +              - brcm,bcm2711-pm
> +    then:
> +      required:
> +        - clocks
> +
> +      properties:
> +        reg:
> +          minItems: 2
> +
> +        reg-names:
> +          minItems: 2

If the new device doesn't have clocks or the extra reg ranges, please
add an else clause that enforces it.

>  
>  additionalProperties: false
>  
> -- 
> 2.47.0
>