Re: [PATCH v7 3/7] dt-bindings: display: bridge: Add Cadence MHDP850
From: Rob Herring <robh@kernel.org>
Date: 2023-07-18 22:33:16
Also in:
dri-devel, linux-arm-kernel, linux-phy, lkml
On Mon, Jul 17, 2023 at 04:03:49PM +0800, Sandor Yu wrote:
quoted hunk ↗ jump to hunk
Add bindings for Cadence MHDP8501 DisplayPort/HDMI bridge.. Signed-off-by: Sandor Yu <redacted> --- .../display/bridge/cdns,mhdp8501.yaml | 105 ++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yamldiff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml new file mode 100644 index 000000000000..b983ee765f54 --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp8501.yaml@@ -0,0 +1,105 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp8501.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Cadence MHDP8501 DP/HDMI bridge + +maintainers: + - Sandor Yu <Sandor.yu@nxp.com> + +description: + Cadence MHDP8501 DisplayPort/HDMI interface. + +properties: + compatible: + enum: + - cdns,mhdp8501
Drop this.
+ - fsl,imx8mq-mhdp8501
+
+ reg:
+ maxItems: 1
+
+ clocks:
+ maxItems: 1
+ description: MHDP8501 DP/HDMI APB clock.
+
+ phys:
+ maxItems: 1
+ description:
+ phandle to the DisplayPort or HDMI PHY
+
+ 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 DisplayPort or HDMI 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@32c00000 {
+ compatible = "fsl,imx8mq-mhdp8501";
+ 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_connector>;
+ };
+ };
+ };
+ };
--
2.34.1