[PATCH v2 02/10] dt-bindings: soc: aspeed: Add ASPEED PCIe PHY support
Krzysztof Kozlowski
krzk at kernel.org
Wed Jul 16 01:23:36 PDT 2025
On Tue, Jul 15, 2025 at 11:43:12AM +0800, Jacky Chou wrote:
> This PHY is used by many modules. In our design, our
> PCIe has RC and EP funcitons. On the different function,
> each driver will use configure and get some information
> from the PHY interface to do somting that it wants to.
> Getting link status, setting syscon credits and so on.
> Therefore, define it as syscon for all modules.
>
> Signed-off-by: Jacky Chou <jacky_chou at aspeedtech.com>
> ---
> .../bindings/soc/aspeed/aspeed,pcie-phy.yaml | 44 +++++++++++++++++++
> 1 file changed, 44 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/soc/aspeed/aspeed,pcie-phy.yaml
Phys go to phy, not soc directory. Soc is not a dumping ground.
>
> diff --git a/Documentation/devicetree/bindings/soc/aspeed/aspeed,pcie-phy.yaml b/Documentation/devicetree/bindings/soc/aspeed/aspeed,pcie-phy.yaml
> new file mode 100644
> index 000000000000..5fa585d63ca6
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/soc/aspeed/aspeed,pcie-phy.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/soc/aspeed/aspeed,pcie-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: ASPEED PCIe PHY
> +
> +maintainers:
> + - Jacky Chou <jacky_chou at aspeedtech.com>
> +
> +description:
> + The ASPEED PCIe PHY provides the physical layer interface for PCIe
> + controllers in the SoC. This node represents the register block for the PCIe
> + PHY, which is typically accessed by PCIe Root Complex or Endpoint drivers
> + via syscon. It is used to configure and get the status of the PCIe PHY
> + hardware, including power management, link training, and other PHY-specific
> + operations.
> +
> +properties:
> + compatible:
> + items:
> + - enum:
> + - aspeed,pcie-phy
No, see writing bindings.
> + - const: syscon
It's not a syscon, but phy. I don't think you understood previous
feedback. Go back to v1. You just send something to pass the review
instead of reworking to make it correct.
> +
> + reg:
> + maxItems: 1
> +
> + "#phy-cells":
> + const: 0
> +
> +required:
> + - compatible
> + - reg
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + syscon at 1e6ed200 {
wrong name, that's a phy
> + compatible = "aspeed,pcie-phy", "syscon";
> + reg = <0x1e6ed200 0x100>;
Incomplete
> + };
> --
> 2.43.0
>
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