Re: [PATCH v3 05/10] dt-bindings: display: bridge: Add MHDP DP for i.MX8MQ
From: Rob Herring <robh@kernel.org>
Date: 2022-11-16 16:35:38
Also in:
dri-devel, linux-devicetree, linux-phy, lkml
On Tue, Nov 08, 2022 at 09:00:08PM +0800, Sandor Yu wrote:
quoted hunk ↗ jump to hunk
Add bindings for i.MX8MQ MHDP DisplayPort. Signed-off-by: Sandor Yu <redacted> --- .../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.yamldiff --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
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