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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/display/msm/dp-controller.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: MSM Display Port Controller
maintainers:
- Kuogee Hsieh <quic_khsieh@quicinc.com>
description: |
Device tree bindings for DisplayPort host controller for MSM targets
that are compatible with VESA DisplayPort interface specification.
properties:
compatible:
enum:
- qcom,sc7180-dp
- qcom,sc7280-dp
- qcom,sc7280-edp
- qcom,sc8180x-dp
- qcom,sc8180x-edp
- qcom,sc8280xp-dp
- qcom,sc8280xp-edp
- qcom,sdm845-dp
- qcom,sm8350-dp
reg:
minItems: 4
items:
- description: ahb register block
- description: aux register block
- description: link register block
- description: p0 register block
- description: p1 register block
interrupts:
maxItems: 1
clocks:
items:
- description: AHB clock to enable register access
- description: Display Port AUX clock
- description: Display Port Link clock
- description: Link interface clock between DP and PHY
- description: Display Port Pixel clock
clock-names:
items:
- const: core_iface
- const: core_aux
- const: ctrl_link
- const: ctrl_link_iface
- const: stream_pixel
assigned-clocks:
items:
- description: link clock source
- description: pixel clock source
assigned-clock-parents:
items:
- description: phy 0 parent
- description: phy 1 parent
phys:
maxItems: 1
phy-names:
items:
- const: dp
operating-points-v2: true
opp-table: true
power-domains:
maxItems: 1
aux-bus:
$ref: /schemas/display/dp-aux-bus.yaml#
data-lanes:
$ref: /schemas/types.yaml#/definitions/uint32-array
deprecated: true
minItems: 1
maxItems: 4
items:
maximum: 3
"#sound-dai-cells":
const: 0
vdda-0p9-supply:
deprecated: true
vdda-1p2-supply:
deprecated: true
ports:
$ref: /schemas/graph.yaml#/properties/ports
properties:
port@0:
$ref: /schemas/graph.yaml#/properties/port
description: Input endpoint of the controller
port@1:
$ref: /schemas/graph.yaml#/$defs/port-base
description: Output endpoint of the controller
properties:
endpoint:
$ref: /schemas/media/video-interfaces.yaml#
unevaluatedProperties: false
properties:
data-lanes:
minItems: 1
maxItems: 4
items:
enum: [ 0, 1, 2, 3 ]
link-frequencies:
minItems: 1
maxItems: 4
items:
enum: [ 1620000000, 2700000000, 5400000000, 8100000000 ]
required:
- port@0
- port@1
required:
- compatible
- reg
- interrupts
- clocks
- clock-names
- phys
- phy-names
- power-domains
- ports
allOf:
# AUX BUS does not exist on DP controllers
# Audio output also is present only on DP output
# p1 regions is present on DP, but not on eDP
- if:
properties:
compatible:
contains:
enum:
- qcom,sc7280-edp
- qcom,sc8180x-edp
- qcom,sc8280xp-edp
then:
properties:
"#sound-dai-cells": false
else:
properties:
aux-bus: false
reg:
minItems: 5
required:
- "#sound-dai-cells"
additionalProperties: false
examples:
- |
#include <dt-bindings/interrupt-controller/arm-gic.h>
#include <dt-bindings/clock/qcom,dispcc-sc7180.h>
#include <dt-bindings/power/qcom-rpmpd.h>
displayport-controller@ae90000 {
compatible = "qcom,sc7180-dp";
reg = <0xae90000 0x200>,
<0xae90200 0x200>,
<0xae90400 0xc00>,
<0xae91000 0x400>,
<0xae91400 0x400>;
interrupt-parent = <&mdss>;
interrupts = <12>;
clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
<&dispcc DISP_CC_MDSS_DP_AUX_CLK>,
<&dispcc DISP_CC_MDSS_DP_LINK_CLK>,
<&dispcc DISP_CC_MDSS_DP_LINK_INTF_CLK>,
<&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>;
clock-names = "core_iface", "core_aux",
"ctrl_link",
"ctrl_link_iface", "stream_pixel";
assigned-clocks = <&dispcc DISP_CC_MDSS_DP_LINK_CLK_SRC>,
<&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
phys = <&dp_phy>;
phy-names = "dp";
#sound-dai-cells = <0>;
power-domains = <&rpmhpd SC7180_CX>;
ports {
#address-cells = <1>;
#size-cells = <0>;
port@0 {
reg = <0>;
endpoint {
remote-endpoint = <&dpu_intf0_out>;
};
};
port@1 {
reg = <1>;
endpoint {
remote-endpoint = <&typec>;
data-lanes = <0 1>;
link-frequencies = /bits/ 64 <1620000000 2700000000 5400000000 8100000000>;
};
};
};
};
...
|
