Re: [PATCH V1 1/2] dt-bindings: PCI: tegra234: Add ECAM support

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On 10/28/2022 2:48 AM, Krzysztof Kozlowski wrote:
External email: Use caution opening links or attachments


On 27/10/2022 01:12, Vidya Sagar wrote:
Add support for ECAM aperture for Tegra234.

Signed-off-by: Vidya Sagar <vidyas@xxxxxxxxxx>
---
  .../devicetree/bindings/pci/nvidia,tegra194-pcie.yaml  | 10 ++++++++--
  .../devicetree/bindings/pci/snps,dw-pcie.yaml          |  2 +-
  2 files changed, 9 insertions(+), 3 deletions(-)

diff --git a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
index 75da3e8eecb9..15cc2d2055bb 100644
--- a/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
+++ b/Documentation/devicetree/bindings/pci/nvidia,tegra194-pcie.yaml
@@ -27,6 +27,7 @@ properties:
        - nvidia,tegra234-pcie

    reg:
+    minItems: 4
      items:
        - description: controller's application logic registers
        - description: configuration registers
@@ -35,13 +36,17 @@ properties:
            available for software access.
        - description: aperture where the Root Port's own configuration
            registers are available.
+      - description: aperture to access the configuration space through ECAM.
+          This is applicable only for Tegra234.

Then restrict it per compatible in allOf


Thanks Krzysztof for your review.
For a similar change here https://patchwork.ozlabs.org/project/devicetree-bindings/patch/20220707081301.29961-3-vidyas@xxxxxxxxxx/ Rob had said that may be it is not worth it.
Let me know if you really want this change and I'll push a new patch.

Thanks,
Vidya Sagar



Best regards,
Krzysztof




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