Commit 501be7ce authored by Florian Fainelli's avatar Florian Fainelli Committed by Krzysztof Kozlowski
Browse files

dt-bindings: memory-controller: Define fallback compatible 

All of the DDR controllers beyond revision b.2.1 have had a consistent
layout, therefore define a "brcm,brcmstb-memc-ddr-rev-b.2.1" fallback
compatible string to match them all rather than having to continuously
add to the list.

Link: https://lore.kernel.org/all/20241217194439.929040-2-florian.fainelli@broadcom.com/


Signed-off-by: default avatarFlorian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: default avatarRob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250609212356.2264244-2-florian.fainelli@broadcom.com


Signed-off-by: default avatarKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
parent a0be2005

Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml

+34 −20
Original line number Diff line number Diff line
@@ -11,11 +11,10 @@ maintainers: 


properties:

  compatible:

    oneOf:

      - description: Revision > 2.1 controllers

        items:

          - enum:

          - brcm,brcmstb-memc-ddr-rev-b.1.x

          - brcm,brcmstb-memc-ddr-rev-b.2.0

          - brcm,brcmstb-memc-ddr-rev-b.2.1

              - brcm,brcmstb-memc-ddr-rev-b.2.2

              - brcm,brcmstb-memc-ddr-rev-b.2.3

              - brcm,brcmstb-memc-ddr-rev-b.2.5
@@ -29,6 +28,19 @@ properties: 
              - brcm,brcmstb-memc-ddr-rev-c.1.2

              - brcm,brcmstb-memc-ddr-rev-c.1.3

              - brcm,brcmstb-memc-ddr-rev-c.1.4

          - const: brcm,brcmstb-memc-ddr-rev-b.2.1

          - const: brcm,brcmstb-memc-ddr

      - description: Revision 2.1 controllers

        items:

          - const: brcm,brcmstb-memc-ddr-rev-b.2.1

          - const: brcm,brcmstb-memc-ddr

      - description: Revision 2.0 controllers

        items:

          - const: brcm,brcmstb-memc-ddr-rev-b.2.0

          - const: brcm,brcmstb-memc-ddr

      - description: Revision 1.x controllers

        items:

          - const: brcm,brcmstb-memc-ddr-rev-b.1.x

          - const: brcm,brcmstb-memc-ddr



  reg:
@@ -46,7 +58,9 @@ additionalProperties: false 
examples:

  - |

    memory-controller@9902000 {

        compatible = "brcm,brcmstb-memc-ddr-rev-c.1.1", "brcm,brcmstb-memc-ddr";

        compatible = "brcm,brcmstb-memc-ddr-rev-c.1.1",

                     "brcm,brcmstb-memc-ddr-rev-b.2.1",

                     "brcm,brcmstb-memc-ddr";

        reg = <0x9902000 0x600>;

        clock-frequency = <2133000000>;

    };