[03/22] dt-bindings: mediatek, dp_phy: Add Display Port PHY binding

Commit Message

Guillaume Ranquet March 25, 2022, 5:14 p.m. UTC

This phy controller is embedded in the Display Port Controller on mt8195 SoCs.

Signed-off-by: Guillaume Ranquet <[e-mail]>
---
 .../bindings/phy/mediatek,dp-phy.yaml         | 43 +++++++++++++++++++
 1 file changed, 43 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml

Comments

Krzysztof Kozlowski March 25, 2022, 5:36 p.m. UTC | #1

On 25/03/2022 18:14, Guillaume Ranquet wrote:
> This phy controller is embedded in the Display Port Controller on mt8195 SoCs.
> 
> Signed-off-by: Guillaume Ranquet <[e-mail]>
> ---
>  .../bindings/phy/mediatek,dp-phy.yaml         | 43 +++++++++++++++++++
>  1 file changed, 43 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml
> 
> diff --git a/Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml
> new file mode 100644
> index 000000000000..4180d40f4fa7
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml
> @@ -0,0 +1,43 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +# Copyright (c) 2022 MediaTek
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/phy/mediatek,dp-phy.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: MediaTek Display Port PHY binding

Skip "binding"

> +
> +maintainers:
> +  - CK Hu <[e-mail]>
> +  - Jitao shi <[e-mail]>
> +
> +description: |
> +  Device tree bindings for the Mediatek (embedded) Display Port PHY
> +  present on some Mediatek SoCs.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - mediatek,mt8195-dp-phy
> +
> +  regmap:
> +    $ref: /schemas/types.yaml#/definitions/phandle
> +    description: Phandle to the Display Port node.

Need a vendor prefix and descriptive suffix (e.g. mediatek,dp-syscon).

> +
> +  "#phy-cells":
> +    const: 0
> +
> +required:
> +  - compatible
> +  - regmap
> +  - "#phy-cells"
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    dp_phy: dp_phy {

Generic node name: just phy. Also underscores shoulk not be in node name.

> +      compatible = "mediatek,mt8195-dp-phy";
> +      regmap = <&dp_tx>;
> +      #phy-cells = <0>;
> +    };


Best regards,
Krzysztof

Patch

diff --git a/Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml b/Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml
new file mode 100644
index 000000000000..4180d40f4fa7
--- /dev/null
+++ b/Documentation/devicetree/bindings/phy/mediatek,dp-phy.yaml
@@ -0,0 +1,43 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+# Copyright (c) 2022 MediaTek
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/phy/mediatek,dp-phy.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: MediaTek Display Port PHY binding
+
+maintainers:
+  - CK Hu <[e-mail]>
+  - Jitao shi <[e-mail]>
+
+description: |
+  Device tree bindings for the Mediatek (embedded) Display Port PHY
+  present on some Mediatek SoCs.
+
+properties:
+  compatible:
+    enum:
+      - mediatek,mt8195-dp-phy
+
+  regmap:
+    $ref: /schemas/types.yaml#/definitions/phandle
+    description: Phandle to the Display Port node.
+
+  "#phy-cells":
+    const: 0
+
+required:
+  - compatible
+  - regmap
+  - "#phy-cells"
+
+additionalProperties: false
+
+examples:
+  - |
+    dp_phy: dp_phy {
+      compatible = "mediatek,mt8195-dp-phy";
+      regmap = <&dp_tx>;
+      #phy-cells = <0>;
+    };