Re: [PATCH v2] dt-bindings: arm: cpus: Deprecate Qualcomm generic compatibles

[Bjorn Andersson]

On Mon, Feb 23, 2026 at 08:44:23AM +0100, Krzysztof Kozlowski wrote:
> Move compatibles for Qualcomm Kryo and Oryon custom CPU cores out of the
> enum into separate one with deprecated: true annotation, because these
> are too generic names.
> 
> These are names of the families and there are significant differences
> within individual processors, e.g. Kryo6xx can based on architectures
> from Cortex-X2, A710, A510 to A78 and probably more.
> 
> Just like other vendor processors are differentiated, also Qualcomm CPUs
> should come with specific compatibles.
> 
> Cc: Bjorn Andersson <andersson@xxxxxxxxxx>
> Cc: Konrad Dybcio <konradybcio@xxxxxxxxxx>
> Cc: linux-arm-msm@xxxxxxxxxxxxxxx
> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxxxxxxxx>

Reviewed-by: Bjorn Andersson <andersson@xxxxxxxxxx>

Regards,
Bjorn

> 
> ---
> 
> Changes in v2:
> 1. Do not touch Krait and Scorpion because no consensus was reached
>    about whether there is a final model-specific name for them.
> ---
>  .../devicetree/bindings/arm/cpus.yaml         | 290 +++++++++---------
>  1 file changed, 147 insertions(+), 143 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/arm/cpus.yaml b/Documentation/devicetree/bindings/arm/cpus.yaml
> index 736b7ab1bd0a..700255e9a002 100644
> --- a/Documentation/devicetree/bindings/arm/cpus.yaml
> +++ b/Documentation/devicetree/bindings/arm/cpus.yaml
> @@ -79,149 +79,153 @@ properties:
>        All other bits in the reg cells must be set to 0.
>  
>    compatible:
> -    enum:
> -      - apm,potenza
> -      - apm,strega
> -      - apple,avalanche
> -      - apple,blizzard
> -      - apple,cyclone
> -      - apple,firestorm
> -      - apple,hurricane-zephyr
> -      - apple,icestorm
> -      - apple,mistral
> -      - apple,monsoon
> -      - apple,twister
> -      - apple,typhoon
> -      - arm,arm710t
> -      - arm,arm720t
> -      - arm,arm740t
> -      - arm,arm7ej-s
> -      - arm,arm7tdmi
> -      - arm,arm7tdmi-s
> -      - arm,arm9es
> -      - arm,arm9ej-s
> -      - arm,arm920t
> -      - arm,arm922t
> -      - arm,arm925
> -      - arm,arm926e-s
> -      - arm,arm926ej-s
> -      - arm,arm940t
> -      - arm,arm946e-s
> -      - arm,arm966e-s
> -      - arm,arm968e-s
> -      - arm,arm9tdmi
> -      - arm,arm1020e
> -      - arm,arm1020t
> -      - arm,arm1022e
> -      - arm,arm1026ej-s
> -      - arm,arm1136j-s
> -      - arm,arm1136jf-s
> -      - arm,arm1156t2-s
> -      - arm,arm1156t2f-s
> -      - arm,arm1176jzf
> -      - arm,arm1176jz-s
> -      - arm,arm1176jzf-s
> -      - arm,arm11mpcore
> -      - arm,armv8 # Only for s/w models
> -      - arm,c1-nano
> -      - arm,c1-premium
> -      - arm,c1-pro
> -      - arm,c1-ultra
> -      - arm,cortex-a5
> -      - arm,cortex-a7
> -      - arm,cortex-a8
> -      - arm,cortex-a9
> -      - arm,cortex-a12
> -      - arm,cortex-a15
> -      - arm,cortex-a17
> -      - arm,cortex-a32
> -      - arm,cortex-a34
> -      - arm,cortex-a35
> -      - arm,cortex-a53
> -      - arm,cortex-a55
> -      - arm,cortex-a57
> -      - arm,cortex-a65
> -      - arm,cortex-a72
> -      - arm,cortex-a73
> -      - arm,cortex-a75
> -      - arm,cortex-a76
> -      - arm,cortex-a77
> -      - arm,cortex-a78
> -      - arm,cortex-a78ae
> -      - arm,cortex-a78c
> -      - arm,cortex-a320
> -      - arm,cortex-a510
> -      - arm,cortex-a520
> -      - arm,cortex-a520ae
> -      - arm,cortex-a710
> -      - arm,cortex-a715
> -      - arm,cortex-a720
> -      - arm,cortex-a720ae
> -      - arm,cortex-a725
> -      - arm,cortex-m0
> -      - arm,cortex-m0+
> -      - arm,cortex-m1
> -      - arm,cortex-m3
> -      - arm,cortex-m4
> -      - arm,cortex-r4
> -      - arm,cortex-r5
> -      - arm,cortex-r7
> -      - arm,cortex-r52
> -      - arm,cortex-x1
> -      - arm,cortex-x1c
> -      - arm,cortex-x2
> -      - arm,cortex-x3
> -      - arm,cortex-x4
> -      - arm,cortex-x925
> -      - arm,neoverse-e1
> -      - arm,neoverse-n1
> -      - arm,neoverse-n2
> -      - arm,neoverse-n3
> -      - arm,neoverse-v1
> -      - arm,neoverse-v2
> -      - arm,neoverse-v3
> -      - arm,neoverse-v3ae
> -      - arm,rainier
> -      - brcm,brahma-b15
> -      - brcm,brahma-b53
> -      - brcm,vulcan
> -      - cavium,thunder
> -      - cavium,thunder2
> -      - faraday,fa526
> -      - intel,sa110
> -      - intel,sa1100
> -      - marvell,feroceon
> -      - marvell,mohawk
> -      - marvell,pj4a
> -      - marvell,pj4b
> -      - marvell,sheeva-v5
> -      - marvell,sheeva-v7
> -      - nvidia,tegra132-denver
> -      - nvidia,tegra186-denver
> -      - nvidia,tegra194-carmel
> -      - qcom,krait
> -      - qcom,kryo
> -      - qcom,kryo240
> -      - qcom,kryo250
> -      - qcom,kryo260
> -      - qcom,kryo280
> -      - qcom,kryo360
> -      - qcom,kryo385
> -      - qcom,kryo465
> -      - qcom,kryo468
> -      - qcom,kryo470
> -      - qcom,kryo485
> -      - qcom,kryo560
> -      - qcom,kryo570
> -      - qcom,kryo660
> -      - qcom,kryo670
> -      - qcom,kryo685
> -      - qcom,kryo780
> -      - qcom,oryon
> -      - qcom,scorpion
> -      - samsung,mongoose-m2
> -      - samsung,mongoose-m3
> -      - samsung,mongoose-m5
> +    oneOf:
> +      - enum:
> +          - apm,potenza
> +          - apm,strega
> +          - apple,avalanche
> +          - apple,blizzard
> +          - apple,cyclone
> +          - apple,firestorm
> +          - apple,hurricane-zephyr
> +          - apple,icestorm
> +          - apple,mistral
> +          - apple,monsoon
> +          - apple,twister
> +          - apple,typhoon
> +          - arm,arm710t
> +          - arm,arm720t
> +          - arm,arm740t
> +          - arm,arm7ej-s
> +          - arm,arm7tdmi
> +          - arm,arm7tdmi-s
> +          - arm,arm9es
> +          - arm,arm9ej-s
> +          - arm,arm920t
> +          - arm,arm922t
> +          - arm,arm925
> +          - arm,arm926e-s
> +          - arm,arm926ej-s
> +          - arm,arm940t
> +          - arm,arm946e-s
> +          - arm,arm966e-s
> +          - arm,arm968e-s
> +          - arm,arm9tdmi
> +          - arm,arm1020e
> +          - arm,arm1020t
> +          - arm,arm1022e
> +          - arm,arm1026ej-s
> +          - arm,arm1136j-s
> +          - arm,arm1136jf-s
> +          - arm,arm1156t2-s
> +          - arm,arm1156t2f-s
> +          - arm,arm1176jzf
> +          - arm,arm1176jz-s
> +          - arm,arm1176jzf-s
> +          - arm,arm11mpcore
> +          - arm,armv8 # Only for s/w models
> +          - arm,c1-nano
> +          - arm,c1-premium
> +          - arm,c1-pro
> +          - arm,c1-ultra
> +          - arm,cortex-a5
> +          - arm,cortex-a7
> +          - arm,cortex-a8
> +          - arm,cortex-a9
> +          - arm,cortex-a12
> +          - arm,cortex-a15
> +          - arm,cortex-a17
> +          - arm,cortex-a32
> +          - arm,cortex-a34
> +          - arm,cortex-a35
> +          - arm,cortex-a53
> +          - arm,cortex-a55
> +          - arm,cortex-a57
> +          - arm,cortex-a65
> +          - arm,cortex-a72
> +          - arm,cortex-a73
> +          - arm,cortex-a75
> +          - arm,cortex-a76
> +          - arm,cortex-a77
> +          - arm,cortex-a78
> +          - arm,cortex-a78ae
> +          - arm,cortex-a78c
> +          - arm,cortex-a320
> +          - arm,cortex-a510
> +          - arm,cortex-a520
> +          - arm,cortex-a520ae
> +          - arm,cortex-a710
> +          - arm,cortex-a715
> +          - arm,cortex-a720
> +          - arm,cortex-a720ae
> +          - arm,cortex-a725
> +          - arm,cortex-m0
> +          - arm,cortex-m0+
> +          - arm,cortex-m1
> +          - arm,cortex-m3
> +          - arm,cortex-m4
> +          - arm,cortex-r4
> +          - arm,cortex-r5
> +          - arm,cortex-r7
> +          - arm,cortex-r52
> +          - arm,cortex-x1
> +          - arm,cortex-x1c
> +          - arm,cortex-x2
> +          - arm,cortex-x3
> +          - arm,cortex-x4
> +          - arm,cortex-x925
> +          - arm,neoverse-e1
> +          - arm,neoverse-n1
> +          - arm,neoverse-n2
> +          - arm,neoverse-n3
> +          - arm,neoverse-v1
> +          - arm,neoverse-v2
> +          - arm,neoverse-v3
> +          - arm,neoverse-v3ae
> +          - arm,rainier
> +          - brcm,brahma-b15
> +          - brcm,brahma-b53
> +          - brcm,vulcan
> +          - cavium,thunder
> +          - cavium,thunder2
> +          - faraday,fa526
> +          - intel,sa110
> +          - intel,sa1100
> +          - marvell,feroceon
> +          - marvell,mohawk
> +          - marvell,pj4a
> +          - marvell,pj4b
> +          - marvell,sheeva-v5
> +          - marvell,sheeva-v7
> +          - nvidia,tegra132-denver
> +          - nvidia,tegra186-denver
> +          - nvidia,tegra194-carmel
> +          - qcom,krait
> +          - qcom,kryo240
> +          - qcom,kryo250
> +          - qcom,kryo260
> +          - qcom,kryo280
> +          - qcom,kryo360
> +          - qcom,kryo385
> +          - qcom,kryo465
> +          - qcom,kryo468
> +          - qcom,kryo470
> +          - qcom,kryo485
> +          - qcom,kryo560
> +          - qcom,kryo570
> +          - qcom,kryo660
> +          - qcom,kryo670
> +          - qcom,kryo685
> +          - qcom,kryo780
> +          - qcom,scorpion
> +          - samsung,mongoose-m2
> +          - samsung,mongoose-m3
> +          - samsung,mongoose-m5
> +      - enum:
> +          - qcom,kryo
> +          - qcom,oryon
> +        # Too generic, do not use in new code
> +        deprecated: true
>  
>    enable-method:
>      $ref: /schemas/types.yaml#/definitions/string
> -- 
> 2.51.0
>