Re: [PATCH V3 04/11] dt-bindings: PCI: tegra234: Add schema for tegra234 endpoint mode

From: Krzysztof Kozlowski
Date: Wed Jun 29 2022 - 02:33:29 EST


On 29/06/2022 08:04, Vidya Sagar wrote:
> Add support for PCIe controllers that operate in the endpoint mode
> in tegra234 chipset.
>
> Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx>
> ---
> V3:
> * New patch in this series
>
> .../bindings/pci/nvidia,tegra194-pcie-ep.yaml | 141 +++++++++++++++++-
> 1 file changed, 136 insertions(+), 5 deletions(-)
>

All comments from patch #3 apply.

> diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> index 4f7cb7fe378e..11778eb92c47 100644
> --- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> +++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie-ep.yaml
> @@ -17,6 +17,7 @@ description: |
> in they can work either in root port mode or endpoint mode but one at a time.
>
> On Tegra194, controllers C0, C4 and C5 support endpoint mode.
> + On Tegra234, controllers C5, C6, C7 and C10 support endpoint mode.
>
> Note: On Tegra194's P2972-0000 platform, only C5 controller can be enabled to operate in the
> endpoint mode because of the way the platform is designed.
> @@ -25,6 +26,7 @@ properties:
> compatible:
> enum:
> - nvidia,tegra194-pcie-ep
> + - nvidia,tegra234-pcie-ep
>
> reg:

(...)

> + - if:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - nvidia,tegra234-pcie
> + then:
> + properties:
> + nvidia,bpmp:
> + items:
> + - items:
> + - minimum: 0
> + maximum: 0xffffffff
> + - enum: [ 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 ]
> +
> unevaluatedProperties: false
>
> required:
> @@ -174,6 +245,7 @@ required:
> - power-domains
> - reset-gpios
> - num-lanes
> + - vddio-pex-ctl-supply

This is unexpected and looks unrelated.


Best regards,
Krzysztof