diff mbox series

[v1,4/7] dt-bindings: usb: hpe,gxp-vuhc: add binding for gxp vEHCI

Message ID 20221103160625.15574-5-richard.yu@hpe.com
State Superseded
Headers show
Series Add USB Driver for HPE GXP Architecture | expand

Commit Message

Yu, Richard Nov. 3, 2022, 4:06 p.m. UTC
From: Richard Yu <richard.yu@hpe.com>

Create documentation for the hpe,gxp-vuhc binding to support access to
the gxp virtual EHCI controller.

Signed-off-by: Richard Yu <richard.yu@hpe.com>
---
 .../devicetree/bindings/usb/hpe,gxp-vuhc.yaml | 34 +++++++++++++++++++
 1 file changed, 34 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/usb/hpe,gxp-vuhc.yaml

Comments

Krzysztof Kozlowski Nov. 3, 2022, 4:32 p.m. UTC | #1
On 03/11/2022 12:06, richard.yu@hpe.com wrote:
> From: Richard Yu <richard.yu@hpe.com>
> 
> Create documentation for the hpe,gxp-vuhc binding to support access to
> the gxp virtual EHCI controller.
> 

Previous comments apply.

> Signed-off-by: Richard Yu <richard.yu@hpe.com>
> ---
>  .../devicetree/bindings/usb/hpe,gxp-vuhc.yaml | 34 +++++++++++++++++++
>  1 file changed, 34 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/usb/hpe,gxp-vuhc.yaml
> 
> diff --git a/Documentation/devicetree/bindings/usb/hpe,gxp-vuhc.yaml b/Documentation/devicetree/bindings/usb/hpe,gxp-vuhc.yaml
> new file mode 100644
> index 000000000000..1411a2550092
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/usb/hpe,gxp-vuhc.yaml
> @@ -0,0 +1,34 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/usb/hpe,gxp-vuhc.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: HPE GXP Virtual Universal Host Controller (vUHC)

This is getting confusing.

If it is EHCI, you miss usb-hcd.yaml reference. But in fact you describe
at syscon, maybe to avoid proper hardware description.

That does not look right.

> +
> +maintainers:
> +  - Richard Yu <richard.yu@hpe.com>
> +  - Jean-Marie Verdun <verdun@hpe.com>
> +  - Nick Hawkins <nick.hawkins@hpe.com>
> +
> +properties:
> +  compatible:
> +    items:
> +      - const: hpe,gxp-vuhc
> +      - const: syscon
> +
> +  reg:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    vuhc@80400000 {

Node names should be generic.
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation

> +      compatible = "hpe,gxp-vuhc", "syscon";
> +      reg = <0x80400000 0x80>;
> +    };

Best regards,
Krzysztof
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/usb/hpe,gxp-vuhc.yaml b/Documentation/devicetree/bindings/usb/hpe,gxp-vuhc.yaml
new file mode 100644
index 000000000000..1411a2550092
--- /dev/null
+++ b/Documentation/devicetree/bindings/usb/hpe,gxp-vuhc.yaml
@@ -0,0 +1,34 @@ 
+# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/usb/hpe,gxp-vuhc.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: HPE GXP Virtual Universal Host Controller (vUHC)
+
+maintainers:
+  - Richard Yu <richard.yu@hpe.com>
+  - Jean-Marie Verdun <verdun@hpe.com>
+  - Nick Hawkins <nick.hawkins@hpe.com>
+
+properties:
+  compatible:
+    items:
+      - const: hpe,gxp-vuhc
+      - const: syscon
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  - |
+    vuhc@80400000 {
+      compatible = "hpe,gxp-vuhc", "syscon";
+      reg = <0x80400000 0x80>;
+    };