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[3/4] dt-bindings: display: imx: add binding for i.MX8MP HDMI PVI

Message ID 20220826192424.3216734-3-l.stach@pengutronix.de
State Changes Requested, archived
Headers show
Series [1/4] dt-bindings: display: imx: add binding for i.MX8MP HDMI TX | expand

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Commit Message

Lucas Stach Aug. 26, 2022, 7:24 p.m. UTC
Add binding for the i.MX8MP HDMI parallel video interface block.

Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Marek Vasut <marex@denx.de>
---
 .../display/imx/fsl,imx8mp-hdmi-pvi.yaml      | 83 +++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml

Comments

Laurent Pinchart Aug. 26, 2022, 7:52 p.m. UTC | #1
Hi Lucas,

Thank you for the patch.

On Fri, Aug 26, 2022 at 09:24:23PM +0200, Lucas Stach wrote:
> Add binding for the i.MX8MP HDMI parallel video interface block.
> 
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> Tested-by: Marek Vasut <marex@denx.de>
> ---
>  .../display/imx/fsl,imx8mp-hdmi-pvi.yaml      | 83 +++++++++++++++++++
>  1 file changed, 83 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml
> new file mode 100644
> index 000000000000..bf25d29c03ab
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml
> @@ -0,0 +1,83 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/imx/fsl,imx8mp-hdmi-pvi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale i.MX8MP HDMI Parallel Video Interface
> +
> +maintainers:
> +  - Lucas Stach <l.stach@pengutronix.de>
> +
> +description: |
> +  The HDMI parallel video interface is timing and sync generator block in the
> +  i.MX8MP SoC, that sits between the video source and the HDMI TX controller.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - fsl,imx8mp-hdmi-pvi
> +
> +  reg:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +  ports:
> +    $ref: /schemas/graph.yaml#/properties/ports
> +    description: |
> +      This device has two video ports.

You could possibly drop the description here, this is made evident by
the two ports below, up to you.

> +
> +    properties:
> +      port@0:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: Input from the LCDIF controller.
> +
> +      port@1:
> +        $ref: /schemas/graph.yaml#/properties/port
> +        description: Output to the HDMI TX controller
> +
> +    anyOf:
> +      - required:
> +          - port@0
> +      - required:
> +          - port@1

Both exist and need to be connected, is there a reason not to require
both ?

> +
> +required:
> +  - compatible
> +  - reg
> +  - power-domains
> +  - ports
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/imx8mp-clock.h>
> +    #include <dt-bindings/power/imx8mp-power.h>
> +
> +    display-bridge@32fc4000 {
> +        compatible = "fsl,imx8mp-hdmi-pvi";
> +        reg = <0x32fc4000 0x40>;
> +        power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_PVI>;
> +
> +        ports {
> +            #address-cells = <1>;
> +            #size-cells = <0>;
> +
> +            port@0 {
> +                reg = <0>;
> +                pvi_from_lcdif3: endpoint {
> +                    remote-endpoint = <&lcdif3_to_pvi>;
> +                };
> +            };
> +
> +            port@1 {
> +                reg = <1>;
> +                pvi_to_hdmi_tx: endpoint {
> +                    remote-endpoint = <&hdmi_tx_from_pvi>;
> +                };
> +            };
> +        };
> +    };
Krzysztof Kozlowski Aug. 27, 2022, 9:10 a.m. UTC | #2
On 26/08/2022 22:24, Lucas Stach wrote:
> Add binding for the i.MX8MP HDMI parallel video interface block.
> 
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> Tested-by: Marek Vasut <marex@denx.de>

Same question - how was it tested? This is v1, right?

Rest looks good, except Laurent's comments.


Best regards,
Krzysztof
Luca Ceresoli March 3, 2023, 5:07 p.m. UTC | #3
On Fri, 26 Aug 2022 21:24:23 +0200
Lucas Stach <l.stach@pengutronix.de> wrote:

> Add binding for the i.MX8MP HDMI parallel video interface block.
> 
> Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
> Tested-by: Marek Vasut <marex@denx.de>
> ---
>  .../display/imx/fsl,imx8mp-hdmi-pvi.yaml      | 83 +++++++++++++++++++
>  1 file changed, 83 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml
> new file mode 100644
> index 000000000000..bf25d29c03ab
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml
> @@ -0,0 +1,83 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/imx/fsl,imx8mp-hdmi-pvi.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale i.MX8MP HDMI Parallel Video Interface
> +
> +maintainers:
> +  - Lucas Stach <l.stach@pengutronix.de>
> +
> +description: |
> +  The HDMI parallel video interface is timing and sync generator block in the

s/is timing/is a timing/

With that fixed:
Luca Ceresoli <luca.ceresoli@bootlin.com>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml
new file mode 100644
index 000000000000..bf25d29c03ab
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/imx/fsl,imx8mp-hdmi-pvi.yaml
@@ -0,0 +1,83 @@ 
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/imx/fsl,imx8mp-hdmi-pvi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Freescale i.MX8MP HDMI Parallel Video Interface
+
+maintainers:
+  - Lucas Stach <l.stach@pengutronix.de>
+
+description: |
+  The HDMI parallel video interface is timing and sync generator block in the
+  i.MX8MP SoC, that sits between the video source and the HDMI TX controller.
+
+properties:
+  compatible:
+    enum:
+      - fsl,imx8mp-hdmi-pvi
+
+  reg:
+    maxItems: 1
+
+  power-domains:
+    maxItems: 1
+
+  ports:
+    $ref: /schemas/graph.yaml#/properties/ports
+    description: |
+      This device has two video ports.
+
+    properties:
+      port@0:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Input from the LCDIF controller.
+
+      port@1:
+        $ref: /schemas/graph.yaml#/properties/port
+        description: Output to the HDMI TX controller
+
+    anyOf:
+      - required:
+          - port@0
+      - required:
+          - port@1
+
+required:
+  - compatible
+  - reg
+  - power-domains
+  - ports
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/clock/imx8mp-clock.h>
+    #include <dt-bindings/power/imx8mp-power.h>
+
+    display-bridge@32fc4000 {
+        compatible = "fsl,imx8mp-hdmi-pvi";
+        reg = <0x32fc4000 0x40>;
+        power-domains = <&hdmi_blk_ctrl IMX8MP_HDMIBLK_PD_PVI>;
+
+        ports {
+            #address-cells = <1>;
+            #size-cells = <0>;
+
+            port@0 {
+                reg = <0>;
+                pvi_from_lcdif3: endpoint {
+                    remote-endpoint = <&lcdif3_to_pvi>;
+                };
+            };
+
+            port@1 {
+                reg = <1>;
+                pvi_to_hdmi_tx: endpoint {
+                    remote-endpoint = <&hdmi_tx_from_pvi>;
+                };
+            };
+        };
+    };