Re: [PATCH v2 1/3] dt-bindings: PCI: mediatek-gen3: Support mt8195

From: Rob Herring
Date: Thu Oct 20 2022 - 22:26:53 EST


On Thu, Oct 20, 2022 at 07:19:23PM +0800, Tinghan Shen wrote:
> From: Jianjun Wang <jianjun.wang@xxxxxxxxxxxx>
>
> In order to support mt8195 pcie node, update the yaml to support new
> properties of iommu and power-domain, and update the reset-names
> property to allow only one 'mac' name.
>
> Signed-off-by: Jianjun Wang <jianjun.wang@xxxxxxxxxxxx>
> Signed-off-by: TingHan Shen <tinghan.shen@xxxxxxxxxxxx>
> ---
> .../bindings/pci/mediatek-pcie-gen3.yaml | 16 +++++++++++++---
> 1 file changed, 13 insertions(+), 3 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> index c00be39af64e..af271018b134 100644
> --- a/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> +++ b/Documentation/devicetree/bindings/pci/mediatek-pcie-gen3.yaml
> @@ -70,14 +70,21 @@ properties:
> minItems: 1
> maxItems: 8
>
> + iommu-map:
> + maxItems: 1
> +
> + iommu-map-mask:
> + maxItems: 1

This is not a array. It needs a value. Must be 0 if iommu-map only has 1
entry? Or you only support 1 downstream device?

> +
> resets:
> minItems: 1
> maxItems: 2
>
> reset-names:
> - minItems: 1
> - items:
> - - const: phy
> + oneOf:
> + - items:
> + - const: phy
> + - const: mac
> - const: mac
>
> clocks:
> @@ -107,6 +114,9 @@ properties:
> items:
> - const: pcie-phy
>
> + power-domains:
> + maxItems: 1
> +
> '#interrupt-cells':
> const: 1
>
> --
> 2.18.0
>
>