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SubjectRe: [PATCH 14/28] dt-bindings: arm: l2x0: Tauros 3 is PL310 compatible
On Tue, Mar 17, 2020 at 10:39:08AM +0100, Lubomir Rintel wrote:
> The validation is unhappy about mmp3-dell-ariel declaring its
> marvell,tauros3-cache node to be compatible with arm,pl310-cache:
>
> mmp3-dell-ariel.dt.yaml: cache-controller@d0020000: compatible:
> Additional items are not allowed ('arm,pl310-cache' was unexpected)
> mmp3-dell-ariel.dt.yaml: cache-controller@d0020000: compatible:
> ['marvell,tauros3-cache', 'arm,pl310-cache'] is too long
>
> Let's allow this -- Tauros 3 is designed to be compatible with PL310.
>
> Signed-off-by: Lubomir Rintel <lkundrak@v3.sk>
> ---
> .../devicetree/bindings/arm/l2c2x0.yaml | 45 ++++++++++---------
> 1 file changed, 24 insertions(+), 21 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/arm/l2c2x0.yaml b/Documentation/devicetree/bindings/arm/l2c2x0.yaml
> index 913a8cd8b2c00..7e39088a9bed2 100644
> --- a/Documentation/devicetree/bindings/arm/l2c2x0.yaml
> +++ b/Documentation/devicetree/bindings/arm/l2c2x0.yaml
> @@ -29,27 +29,30 @@ allOf:
>
> properties:
> compatible:
> - enum:
> - - arm,pl310-cache
> - - arm,l220-cache
> - - arm,l210-cache
> - # DEPRECATED by "brcm,bcm11351-a2-pl310-cache"
> - - bcm,bcm11351-a2-pl310-cache
> - # For Broadcom bcm11351 chipset where an
> - # offset needs to be added to the address before passing down to the L2
> - # cache controller
> - - brcm,bcm11351-a2-pl310-cache
> - # Marvell Controller designed to be
> - # compatible with the ARM one, with system cache mode (meaning
> - # maintenance operations on L1 are broadcasted to the L2 and L2
> - # performs the same operation).
> - - marvell,aurora-system-cache
> - # Marvell Controller designed to be
> - # compatible with the ARM one with outer cache mode.
> - - marvell,aurora-outer-cache
> - # Marvell Tauros3 cache controller, compatible
> - # with arm,pl310-cache controller.
> - - marvell,tauros3-cache
> + oneOf:
> + - enum:
> + - arm,pl310-cache

The list should be indented 2 more spaces. I'll fixup when applying.

> + - arm,l220-cache
> + - arm,l210-cache
> + # DEPRECATED by "brcm,bcm11351-a2-pl310-cache"
> + - bcm,bcm11351-a2-pl310-cache
> + # For Broadcom bcm11351 chipset where an
> + # offset needs to be added to the address before passing down to the L2
> + # cache controller
> + - brcm,bcm11351-a2-pl310-cache
> + # Marvell Controller designed to be
> + # compatible with the ARM one, with system cache mode (meaning
> + # maintenance operations on L1 are broadcasted to the L2 and L2
> + # performs the same operation).
> + - marvell,aurora-system-cache
> + # Marvell Controller designed to be
> + # compatible with the ARM one with outer cache mode.
> + - marvell,aurora-outer-cache
> + - items:
> + # Marvell Tauros3 cache controller, compatible
> + # with arm,pl310-cache controller.
> + - const: marvell,tauros3-cache
> + - const: arm,pl310-cache
>
> cache-level:
> const: 2
> --
> 2.25.1
>

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