diff options
| author | Florian Fainelli <florian.fainelli@broadcom.com> | 2025-06-09 14:23:55 -0700 |
|---|---|---|
| committer | Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> | 2025-06-27 07:47:49 +0200 |
| commit | 501be7cecec9aaf9cd52e76d0820efd6d0b952e7 (patch) | |
| tree | 53ead8cf924e7d182785d1db61b91b622e1c4f2f | |
| parent | a0be20055d41028a121a5acc140e17c73d7541c5 (diff) | |
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: Florian Fainelli <florian.fainelli@broadcom.com>
Reviewed-by: Rob Herring (Arm) <robh@kernel.org>
Link: https://lore.kernel.org/r/20250609212356.2264244-2-florian.fainelli@broadcom.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
| -rw-r--r-- | Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml | 54 |
1 files changed, 34 insertions, 20 deletions
diff --git a/Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml b/Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml index 4b072c879b02..b935894bd4fc 100644 --- a/Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml +++ b/Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml @@ -11,25 +11,37 @@ maintainers: properties: compatible: - 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 - - brcm,brcmstb-memc-ddr-rev-b.2.6 - - brcm,brcmstb-memc-ddr-rev-b.2.7 - - brcm,brcmstb-memc-ddr-rev-b.2.8 - - brcm,brcmstb-memc-ddr-rev-b.3.0 - - brcm,brcmstb-memc-ddr-rev-b.3.1 - - brcm,brcmstb-memc-ddr-rev-c.1.0 - - brcm,brcmstb-memc-ddr-rev-c.1.1 - - 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 + oneOf: + - description: Revision > 2.1 controllers + items: + - enum: + - brcm,brcmstb-memc-ddr-rev-b.2.2 + - brcm,brcmstb-memc-ddr-rev-b.2.3 + - brcm,brcmstb-memc-ddr-rev-b.2.5 + - brcm,brcmstb-memc-ddr-rev-b.2.6 + - brcm,brcmstb-memc-ddr-rev-b.2.7 + - brcm,brcmstb-memc-ddr-rev-b.2.8 + - brcm,brcmstb-memc-ddr-rev-b.3.0 + - brcm,brcmstb-memc-ddr-rev-b.3.1 + - brcm,brcmstb-memc-ddr-rev-c.1.0 + - brcm,brcmstb-memc-ddr-rev-c.1.1 + - 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: maxItems: 1 @@ -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>; }; |