165 lines
3.7 KiB
YAML
165 lines
3.7 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
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%YAML 1.2
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---
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$id: http://devicetree.org/schemas/display/bridge/cdns,mhdp8546.yaml#
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$schema: http://devicetree.org/meta-schemas/core.yaml#
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title: Cadence MHDP8546 bridge
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maintainers:
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- Swapnil Jakhade <sjakhade@cadence.com>
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- Yuti Amonkar <yamonkar@cadence.com>
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properties:
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compatible:
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enum:
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- cdns,mhdp8546
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- ti,j721e-mhdp8546
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reg:
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minItems: 1
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items:
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- description:
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Register block of mhdptx apb registers up to PHY mapped area (AUX_CONFIG_P).
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The AUX and PMA registers are not part of this range, they are instead
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included in the associated PHY.
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- description:
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Register block for DSS_EDP0_INTG_CFG_VP registers in case of TI J7 SoCs.
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- description:
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Register block of mhdptx sapb registers.
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reg-names:
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minItems: 1
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items:
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- const: mhdptx
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- const: j721e-intg
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- const: mhdptx-sapb
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clocks:
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maxItems: 1
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description:
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DP bridge clock, used by the IP to know how to translate a number of
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clock cycles into a time (which is used to comply with DP standard timings
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and delays).
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phys:
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maxItems: 1
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description:
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phandle to the DisplayPort PHY.
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phy-names:
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items:
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- const: dpphy
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power-domains:
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maxItems: 1
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interrupts:
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maxItems: 1
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ports:
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$ref: /schemas/graph.yaml#/properties/ports
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properties:
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port@0:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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First input port representing the DP bridge input.
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port@1:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Second input port representing the DP bridge input.
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port@2:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Third input port representing the DP bridge input.
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port@3:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Fourth input port representing the DP bridge input.
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port@4:
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$ref: /schemas/graph.yaml#/properties/port
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description:
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Output port representing the DP bridge output.
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required:
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- port@0
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- port@4
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allOf:
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- if:
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properties:
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compatible:
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contains:
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const: ti,j721e-mhdp8546
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then:
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properties:
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reg:
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minItems: 2
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maxItems: 3
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reg-names:
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minItems: 2
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maxItems: 3
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else:
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properties:
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reg:
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minItems: 1
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maxItems: 2
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reg-names:
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minItems: 1
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maxItems: 2
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required:
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- compatible
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- clocks
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- reg
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- reg-names
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- phys
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- phy-names
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- interrupts
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- ports
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additionalProperties: false
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examples:
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- |
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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bus {
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#address-cells = <2>;
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#size-cells = <2>;
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mhdp: dp-bridge@f0fb000000 {
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compatible = "cdns,mhdp8546";
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reg = <0xf0 0xfb000000 0x0 0x1000000>;
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reg-names = "mhdptx";
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clocks = <&mhdp_clock>;
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phys = <&dp_phy>;
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phy-names = "dpphy";
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interrupts = <GIC_SPI 614 IRQ_TYPE_LEVEL_HIGH>;
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ports {
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#address-cells = <1>;
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#size-cells = <0>;
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port@0 {
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reg = <0>;
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dp_bridge_input: endpoint {
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remote-endpoint = <&xxx_dpi_output>;
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};
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};
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port@4 {
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reg = <4>;
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dp_bridge_output: endpoint {
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remote-endpoint = <&xxx_dp_connector_input>;
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};
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};
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};
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};
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};
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...
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