1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2 %YAML 1.2
3 ---
4 $id: http://devicetree.org/schemas/display/msm/dp-controller.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: MSM Display Port Controller
8
9 maintainers:
10 - Kuogee Hsieh <quic_khsieh@quicinc.com>
11
12 description: |
13 Device tree bindings for DisplayPort host controller for MSM targets
14 that are compatible with VESA DisplayPort interface specification.
15
16 properties:
17 compatible:
18 enum:
19 - qcom,sc7180-dp
20 - qcom,sc7280-dp
21 - qcom,sc7280-edp
22 - qcom,sc8180x-dp
23 - qcom,sc8180x-edp
24 - qcom,sm8350-dp
25
26 reg:
27 items:
28 - description: ahb register block
29 - description: aux register block
30 - description: link register block
31 - description: p0 register block
32 - description: p1 register block
33
34 interrupts:
35 maxItems: 1
36
37 clocks:
38 items:
39 - description: AHB clock to enable register access
40 - description: Display Port AUX clock
41 - description: Display Port Link clock
42 - description: Link interface clock between DP and PHY
43 - description: Display Port Pixel clock
44
45 clock-names:
46 items:
47 - const: core_iface
48 - const: core_aux
49 - const: ctrl_link
50 - const: ctrl_link_iface
51 - const: stream_pixel
52
53 assigned-clocks:
54 items:
55 - description: link clock source
56 - description: pixel clock source
57
58 assigned-clock-parents:
59 items:
60 - description: phy 0 parent
61 - description: phy 1 parent
62
63 phys:
64 maxItems: 1
65
66 phy-names:
67 items:
68 - const: dp
69
70 operating-points-v2:
71 maxItems: 1
72
73 power-domains:
74 maxItems: 1
75
76 "#sound-dai-cells":
77 const: 0
78
79 vdda-0p9-supply: true
80 vdda-1p2-supply: true
81
82 ports:
83 $ref: /schemas/graph.yaml#/properties/ports
84 properties:
85 port@0:
86 $ref: /schemas/graph.yaml#/properties/port
87 description: Input endpoint of the controller
88
89 port@1:
90 $ref: /schemas/graph.yaml#/properties/port
91 description: Output endpoint of the controller
92
93 required:
94 - compatible
95 - reg
96 - interrupts
97 - clocks
98 - clock-names
99 - phys
100 - phy-names
101 - "#sound-dai-cells"
102 - power-domains
103 - ports
104
105 additionalProperties: false
106
107 examples:
108 - |
109 #include <dt-bindings/interrupt-controller/arm-gic.h>
110 #include <dt-bindings/clock/qcom,dispcc-sc7180.h>
111 #include <dt-bindings/power/qcom-rpmpd.h>
112
113 displayport-controller@ae90000 {
114 compatible = "qcom,sc7180-dp";
115 reg = <0xae90000 0x200>,
116 <0xae90200 0x200>,
117 <0xae90400 0xc00>,
118 <0xae91000 0x400>,
119 <0xae91400 0x400>;
120 interrupt-parent = <&mdss>;
121 interrupts = <12>;
122 clocks = <&dispcc DISP_CC_MDSS_AHB_CLK>,
123 <&dispcc DISP_CC_MDSS_DP_AUX_CLK>,
124 <&dispcc DISP_CC_MDSS_DP_LINK_CLK>,
125 <&dispcc DISP_CC_MDSS_DP_LINK_INTF_CLK>,
126 <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK>;
127 clock-names = "core_iface", "core_aux",
128 "ctrl_link",
129 "ctrl_link_iface", "stream_pixel";
130
131 assigned-clocks = <&dispcc DISP_CC_MDSS_DP_LINK_CLK_SRC>,
132 <&dispcc DISP_CC_MDSS_DP_PIXEL_CLK_SRC>;
133
134 assigned-clock-parents = <&dp_phy 0>, <&dp_phy 1>;
135
136 phys = <&dp_phy>;
137 phy-names = "dp";
138
139 #sound-dai-cells = <0>;
140
141 power-domains = <&rpmhpd SC7180_CX>;
142
143 vdda-0p9-supply = <&vdda_usb_ss_dp_core>;
144 vdda-1p2-supply = <&vdda_usb_ss_dp_1p2>;
145
146 ports {
147 #address-cells = <1>;
148 #size-cells = <0>;
149
150 port@0 {
151 reg = <0>;
152 endpoint {
153 remote-endpoint = <&dpu_intf0_out>;
154 };
155 };
156
157 port@1 {
158 reg = <1>;
159 endpoint {
160 remote-endpoint = <&typec>;
161 };
162 };
163 };
164 };
165 ...
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