diff mbox series

[v3,05/10] dt-bindings: display: bridge: Add MHDP DP for i.MX8MQ

Message ID 71c504aeb11f55e9dca533cc1b490b8e069c7b7b.1667911321.git.Sandor.yu@nxp.com
State New
Headers
Series Initial support for Cadence MHDP(HDMI/DP) for i.MX8MQ |

Commit Message

Sandor Yu Nov. 8, 2022, 1 p.m. UTC 
  Add bindings for i.MX8MQ MHDP DisplayPort.

Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
---
 .../display/bridge/cdns,mhdp-imx8mq-dp.yaml   | 59 +++++++++++++++++++
 1 file changed, 59 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml

Comments

Rob Herring Nov. 16, 2022, 4:27 p.m. UTC | #1 
On Tue, Nov 08, 2022 at 09:00:08PM +0800, Sandor Yu wrote:
> Add bindings for i.MX8MQ MHDP DisplayPort.
> 
> Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
> ---
>  .../display/bridge/cdns,mhdp-imx8mq-dp.yaml   | 59 +++++++++++++++++++
>  1 file changed, 59 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
> 
> diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
> new file mode 100644
> index 000000000000..c4d5362db2b5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-dp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Cadence MHDP Displayport bridge
> +
> +maintainers:
> +  - Sandor Yu <Sandor.yu@nxp.com>
> +
> +description:
> +  The Cadence MHDP Displayport TX interface.
> +
> +properties:
> +  compatible:
> +    enum:
> +      - cdns,mhdp-imx8mq-dp
> +
> +  reg:
> +    maxItems: 1
> +
> +  phys:
> +    maxItems: 1
> +
> +  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.

Similarly, you need an output port to DP (or USB-C) connector.

> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    mhdp_dp: dp-bridge@32c00000 {
> +        compatible = "cdns,mhdp-imx8mq-dp";
> +        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 = <&dp_phy>;
> +
> +        port {
> +            mhdp_in: endpoint {
> +                remote-endpoint = <&dcss_out>;
> +            };
> +        };
> +    };
> -- 
> 2.34.1
> 
>
Sandor Yu Nov. 17, 2022, 11:41 a.m. UTC | #2 
Hi Rob,

Thanks your comments,

> -----Original Message-----
> From: Rob Herring <robh@kernel.org>
> Sent: 2022年11月17日 0:27
> To: Sandor Yu <sandor.yu@nxp.com>
> Cc: dri-devel@lists.freedesktop.org; devicetree@vger.kernel.org;
> linux-arm-kernel@lists.infradead.org; linux-kernel@vger.kernel.org;
> linux-phy@lists.infradead.org; andrzej.hajda@intel.com;
> neil.armstrong@linaro.org; robert.foss@linaro.org;
> Laurent.pinchart@ideasonboard.com; jonas@kwiboo.se;
> jernej.skrabec@gmail.com; vkoul@kernel.org;
> krzysztof.kozlowski+dt@linaro.org; shawnguo@kernel.org;
> s.hauer@pengutronix.de; kernel@pengutronix.de; dl-linux-imx
> <linux-imx@nxp.com>; tzimmermann@suse.de; lyude@redhat.com;
> javierm@redhat.com; ville.syrjala@linux.intel.com; sam@ravnborg.org;
> jani.nikula@intel.com; maxime@cerno.tech;
> penguin-kernel@i-love.sakura.ne.jp; Oliver Brown <oliver.brown@nxp.com>
> Subject: [EXT] Re: [PATCH v3 05/10] dt-bindings: display: bridge: Add MHDP
> DP for i.MX8MQ
> 
> Caution: EXT Email
> 
> On Tue, Nov 08, 2022 at 09:00:08PM +0800, Sandor Yu wrote:
> > Add bindings for i.MX8MQ MHDP DisplayPort.
> >
> > Signed-off-by: Sandor Yu <Sandor.yu@nxp.com>
> > ---
> >  .../display/bridge/cdns,mhdp-imx8mq-dp.yaml   | 59
> +++++++++++++++++++
> >  1 file changed, 59 insertions(+)
> >  create mode 100644
> >
> Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.y
> > aml
> >
> > diff --git
> >
> a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp
> > .yaml
> >
> b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp
> > .yaml
> > new file mode 100644
> > index 000000000000..c4d5362db2b5
> > --- /dev/null
> > +++
> b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8m
> > +++ q-dp.yaml
> > @@ -0,0 +1,59 @@
> > +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) %YAML 1.2
> > +---
> > +$id:
> > +https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevi
> >
> +cetree.org%2Fschemas%2Fdisplay%2Fbridge%2Fcdns%2Cmhdp-imx8mq-dp.
> yaml%
> >
> +23&amp;data=05%7C01%7CSandor.yu%40nxp.com%7Cfadde1cdcefe4c1e5f
> b108dac
> >
> +7ef642f%7C686ea1d3bc2b4c6fa92cd99c5c301635%7C0%7C0%7C63804212
> 82331650
> >
> +96%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luM
> zIiLCJBTi
> >
> +I6Ik1haWwiLCJXVCI6Mn0%3D%7C3000%7C%7C%7C&amp;sdata=EjvtnWhP
> MVKgzlKC7f
> > +8GC3EtidDKgkU5vMSuRaz3Bqg%3D&amp;reserved=0
> > +$schema:
> > +https://eur01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fdevi
> >
> +cetree.org%2Fmeta-schemas%2Fcore.yaml%23&amp;data=05%7C01%7CSa
> ndor.yu
> >
> +%40nxp.com%7Cfadde1cdcefe4c1e5fb108dac7ef642f%7C686ea1d3bc2b4c
> 6fa92cd
> >
> +99c5c301635%7C0%7C0%7C638042128233165096%7CUnknown%7CTWFp
> bGZsb3d8eyJW
> >
> +IjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7
> C3000
> >
> +%7C%7C%7C&amp;sdata=l0tVYsOuT6SNbREcg65s0FYjVVrpUM%2F5VztRvxE
> sgA8%3D&
> > +amp;reserved=0
> > +
> > +title: Cadence MHDP Displayport bridge
> > +
> > +maintainers:
> > +  - Sandor Yu <Sandor.yu@nxp.com>
> > +
> > +description:
> > +  The Cadence MHDP Displayport TX interface.
> > +
> > +properties:
> > +  compatible:
> > +    enum:
> > +      - cdns,mhdp-imx8mq-dp
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  phys:
> > +    maxItems: 1
> > +
> > +  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.
> 
> Similarly, you need an output port to DP (or USB-C) connector.
> 
Both the HDMI and DP driver don't need the functions of display-connector, 
do we still need an output port to connector here?

B.R
Sandor

> > +
> > +additionalProperties: false
> > +
> > +examples:
> > +  - |
> > +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> > +    mhdp_dp: dp-bridge@32c00000 {
> > +        compatible = "cdns,mhdp-imx8mq-dp";
> > +        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 = <&dp_phy>;
> > +
> > +        port {
> > +            mhdp_in: endpoint {
> > +                remote-endpoint = <&dcss_out>;
> > +            };
> > +        };
> > +    };
> > --
> > 2.34.1
> >
> >
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
new file mode 100644
index 000000000000..c4d5362db2b5
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
@@ -0,0 +1,59 @@ 
+# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp-imx8mq-dp.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Cadence MHDP Displayport bridge
+
+maintainers:
+  - Sandor Yu <Sandor.yu@nxp.com>
+
+description:
+  The Cadence MHDP Displayport TX interface.
+
+properties:
+  compatible:
+    enum:
+      - cdns,mhdp-imx8mq-dp
+
+  reg:
+    maxItems: 1
+
+  phys:
+    maxItems: 1
+
+  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_dp: dp-bridge@32c00000 {
+        compatible = "cdns,mhdp-imx8mq-dp";
+        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 = <&dp_phy>;
+
+        port {
+            mhdp_in: endpoint {
+                remote-endpoint = <&dcss_out>;
+            };
+        };
+    };