Re: [PATCH v7 3/7] dt-bindings: display: bridge: Add Cadence MHDP850
From: Alexander Stein <hidden>
Date: 2023-07-17 09:35:04
Also in:
dri-devel, linux-devicetree, linux-phy, lkml
Am Montag, 17. Juli 2023, 10:03:49 CEST schrieb Sandor Yu:
quoted hunk ↗ jump to hunk
******************** Achtung externe E-Mail: Öffnen Sie Anhänge und Links nur, wenn Sie wissen, dass diese aus einer sicheren Quelle stammen und sicher sind. Leiten Sie die E-Mail im Zweifelsfall zur Prüfung an den IT-Helpdesk weiter. Attention external email: Open attachments and links only if you know that they are from a secure source and are safe. In doubt forward the email to the IT-Helpdesk to check it. ******************** 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.yaml diff --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 + - 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 {
I'm not sure, but I would name this node just 'bridge', because it can be either DP or HDMI depending on the connector. But DT folks will know better than me. Best regards, Alexander
+ 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>;
+ };
+ };
+ };
+ };-- TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht München, HRB 105018 Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider http://www.tq-group.com/ _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel