[v2,02/10] dts-bingings: display: bridge: Add MHDP HDMI bindings for i.MX8MQ

Commit Message

Sandor Yu Nov. 4, 2022, 6:44 a.m. UTC

Add bindings for i.MX8MQ MHDP HDMI.

Signed-off-by: Sandor Yu <[e-mail]>
---
 .../display/bridge/cdns,mhdp-imx8mq-hdmi.yaml | 67 +++++++++++++++++++
 1 file changed, 67 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml

Comments

Krzysztof Kozlowski Nov. 4, 2022, 1:42 p.m. UTC | #1

On 04/11/2022 02:44, Sandor Yu wrote:
> Add bindings for i.MX8MQ MHDP HDMI.

Typo in subject - bindings.

Also in the subject - drop redundant second word "bindings".

> 
> Signed-off-by: Sandor Yu <[e-mail]>
> ---
>  .../display/bridge/cdns,mhdp-imx8mq-hdmi.yaml | 67 +++++++++++++++++++
>  1 file changed, 67 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
> new file mode 100644
> index 000000000000..b2a769d4cb82
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
> @@ -0,0 +1,67 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml#"
> +$schema: "http://devicetree.org/meta-schemas/core.yaml#"
> +
> +title: Cadence MHDP HDMI bridge
> +
> +maintainers:
> +  - Sandor Yu <[e-mail]>
> +
> +description:
> +  The Cadence MHDP TX HDMI interface.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - cdns,mhdp-imx8mq-hdmi
> +
> +  reg:
> +    items:
> +      - description:
> +          Memory mapped base address and length of mhdptx apb registers.

Drop items and descripion and just "maxItems: 1"

> +
> +  phys:
> +    description:
> +      phandle to the HDMI PHY.

Drop description, but instead "maxItems: 1"

> +
> +  phy-names:
> +    items:
> +      - const: hdmiphy

Drop entire phy-names, not useful with one entry matching the name of
theh block.

> +
> +  interrupts:
> +    items:
> +      - description: Hotplug detect interrupter for cable plugin event.
> +      - description: Hotplug detect interrupter for cable plugout event.
> +
> +  interrupt-names:
> +    items:
> +      - const: plug_in
> +      - const: plug_out
> +
> +  port:
> +    $ref: /schemas/graph.yaml#/properties/port
> +    description:
> +      A port node pointing to the output port of a display controller..

Just one '.' at the end.

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    mhdp: mhdp@32c00000 {

Node names should be generic, so hdmi-bridge, display-controller or just
"hdmi"
https://devicetree-specification.readthedocs.io/en/latest/chapter2-devicetree-basics.html#generic-names-recommendation


> +        compatible = "cdns,mhdp-imx8mq-hdmi";
> +        reg = <0x32c00000 0x100000>;


Best regards,
Krzysztof

Rob Herring (Arm) Nov. 7, 2022, 8:14 p.m. UTC | #2

On Fri, Nov 04, 2022 at 09:42:03AM -0400, Krzysztof Kozlowski wrote:
> On 04/11/2022 02:44, Sandor Yu wrote:
> > Add bindings for i.MX8MQ MHDP HDMI.
> 
> Typo in subject - bindings.

And 'dts'. It's 'dt-bindings: display: ...' Same for the rest of the 
series.

> 
> Also in the subject - drop redundant second word "bindings".
> 
> > 
> > Signed-off-by: Sandor Yu <[e-mail]>
> > ---
> >  .../display/bridge/cdns,mhdp-imx8mq-hdmi.yaml | 67 +++++++++++++++++++
> >  1 file changed, 67 insertions(+)
> >  create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml

Patch

diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
new file mode 100644
index 000000000000..b2a769d4cb82
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml
@@ -0,0 +1,67 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-hdmi.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Cadence MHDP HDMI bridge
+
+maintainers:
+  - Sandor Yu <[e-mail]>
+
+description:
+  The Cadence MHDP TX HDMI interface.
+
+properties:
+  compatible:
+    enum:
+      - cdns,mhdp-imx8mq-hdmi
+
+  reg:
+    items:
+      - description:
+          Memory mapped base address and length of mhdptx apb registers.
+
+  phys:
+    description:
+      phandle to the HDMI PHY.
+
+  phy-names:
+    items:
+      - const: hdmiphy
+
+  interrupts:
+    items:
+      - description: Hotplug detect interrupter for cable plugin event.
+      - description: Hotplug detect interrupter for cable plugout event.
+
+  interrupt-names:
+    items:
+      - const: plug_in
+      - const: plug_out
+
+  port:
+    $ref: /schemas/graph.yaml#/properties/port
+    description:
+      A port node pointing to the output port of a display controller..
+
+additionalProperties: false
+
+examples:
+  - |
+    #include <dt-bindings/interrupt-controller/arm-gic.h>
+    mhdp: mhdp@32c00000 {
+        compatible = "cdns,mhdp-imx8mq-hdmi";
+        reg = <0x32c00000 0x100000>;
+        interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>,
+                <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+        interrupt-names = "plug_in", "plug_out";
+        phys = <&hdmi_phy>;
+        phy-names = "hdmiphy";
+
+        port {
+            mhdp_in: endpoint {
+                remote-endpoint = <&dcss_out>;
+            };
+        };
+    };