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Message-Id: <f5ab57311a0dc197ec25bde415271c4b4b85635a.1669620155.git.Sandor.yu@nxp.com>
Date: Mon, 28 Nov 2022 15:36:10 +0800
From: Sandor Yu <Sandor.yu@....com>
To: andrzej.hajda@...el.com, neil.armstrong@...aro.org,
robert.foss@...aro.org, Laurent.pinchart@...asonboard.com,
jonas@...boo.se, jernej.skrabec@...il.com, airlied@...il.com,
daniel@...ll.ch, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, shawnguo@...nel.org,
s.hauer@...gutronix.de, festevam@...il.com, vkoul@...nel.org,
dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-phy@...ts.infradead.org
Cc: kernel@...gutronix.de, linux-imx@....com, Sandor.yu@....com,
oliver.brown@....com
Subject: [PATCH v5 02/10] dt-bindings: display: bridge: Add MHDP DP for i.MX8MQ
Add bindings for i.MX8MQ MHDP DisplayPort.
Signed-off-by: Sandor Yu <Sandor.yu@....com>
---
.../display/bridge/cdns,mhdp-imx8mq-dp.yaml | 102 ++++++++++++++++++
1 file changed, 102 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..21cf87c79766
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp-imx8mq-dp.yaml
@@ -0,0 +1,102 @@
+# 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@....com>
+
+description:
+ The Cadence MHDP Displayport TX interface.
+
+properties:
+ compatible:
+ enum:
+ - cdns,mhdp-imx8mq-dp
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: MHDP DP APB clock.
+
+ phys:
+ maxItems: 1
+
+ interrupts:
+ items:
+ - description: Hotplug cable plugin.
+ - description: Hotplug cable plugout.
+
+ interrupt-names:
+ items:
+ - const: plug_in
+ - const: plug_out
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Input port from display controller output.
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Output port to DP connector.
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - clocks
+ - interrupts
+ - interrupt-names
+ - phys
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/clock/imx8mq-clock.h>
+ #include <dt-bindings/interrupt-controller/arm-gic.h>
+
+ mhdp_dp: dp-bridge@...00000 {
+ 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";
+ clocks = <&clk IMX8MQ_CLK_DISP_APB_ROOT>;
+ phys = <&dp_phy>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+
+ mhdp_in: endpoint {
+ remote-endpoint = <&dcss_out>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+
+ mhdp_out: endpoint {
+ remote-endpoint = <&dp_con>;
+ };
+ };
+ };
+ };
--
2.34.1
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