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SubjectRe: [PATCH v4 03/12] dt-bindings: PCI: Add bindings for more Brcmstb chips
On Fri, Jun 05, 2020 at 05:26:43PM -0400, Jim Quinlan wrote:
> From: Jim Quinlan <jquinlan@broadcom.com>
>
> - Add compatible strings for three more Broadcom STB chips: 7278, 7216,
> 7211 (STB version of RPi4).
> - add new property 'brcm,scb-sizes'
> - add new property 'resets'
> - add new property 'reset-names' for 7216 only
> - allow 'ranges' and 'dma-ranges' to have more than one item and update
> the example to show this.
>
> Signed-off-by: Jim Quinlan <jquinlan@broadcom.com>
> ---
> .../bindings/pci/brcm,stb-pcie.yaml | 58 ++++++++++++++++---
> 1 file changed, 51 insertions(+), 7 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
> index 8680a0f86c5a..4a012d77513f 100644
> --- a/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
> +++ b/Documentation/devicetree/bindings/pci/brcm,stb-pcie.yaml
> @@ -9,12 +9,15 @@ title: Brcmstb PCIe Host Controller Device Tree Bindings
> maintainers:
> - Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
>
> -allOf:
> - - $ref: /schemas/pci/pci-bus.yaml#
> -
> properties:
> compatible:
> - const: brcm,bcm2711-pcie # The Raspberry Pi 4
> + items:
> + - enum:
> + - brcm,bcm2711-pcie # The Raspberry Pi 4
> + - brcm,bcm7211-pcie # Broadcom STB version of RPi4
> + - brcm,bcm7278-pcie # Broadcom 7278 Arm
> + - brcm,bcm7216-pcie # Broadcom 7216 Arm
> + - brcm,bcm7445-pcie # Broadcom 7445 Arm
>
> reg:
> maxItems: 1
> @@ -34,10 +37,12 @@ properties:
> - const: msi
>
> ranges:
> - maxItems: 1
> + minItems: 1
> + maxItems: 4
>
> dma-ranges:
> - maxItems: 1
> + minItems: 1
> + maxItems: 6
>
> clocks:
> maxItems: 1
> @@ -58,8 +63,33 @@ properties:
>
> aspm-no-l0s: true
>
> + resets:
> + description: for "brcm,bcm7216-pcie", must be a valid reset
> + phandle pointing to the RESCAL reset controller provider node.
> + $ref: "/schemas/types.yaml#/definitions/phandle"
> +
> + reset-names:
> + items:
> + - const: rescal
> +
> + brcm,scb-sizes:
> + description: u64 giving the 64bit PCIe memory
> + viewport size of a memory controller. There may be up to
> + three controllers, and each size must be a power of two
> + with a size greater or equal to the amount of memory the
> + controller supports. Note that each memory controller
> + may have two component regions -- base and extended -- so
> + this information cannot be deduced from the dma-ranges.
> +
> + allOf:
> + - $ref: /schemas/types.yaml#/definitions/uint64-array
> + - items:
> + minItems: 1
> + maxItems: 3

This can be (dropping 'allOf'):

$ref: /schemas/types.yaml#/definitions/uint64-array
minItems: 1
maxItems: 3

With that,

Reviewed-by: Rob Herring <robh@kernel.org>

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