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