tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/display/st,stm32-dsi.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: STMicroelectronics STM32 DSI host controller
8
9maintainers:
10 - Philippe Cornu <philippe.cornu@st.com>
11 - Yannick Fertre <yannick.fertre@st.com>
12
13description:
14 The STMicroelectronics STM32 DSI controller uses the Synopsys DesignWare MIPI-DSI host controller.
15
16properties:
17 compatible:
18 const: st,stm32-dsi
19
20 reg:
21 maxItems: 1
22
23 clocks:
24 items:
25 - description: Module Clock
26 - description: DSI bus clock
27 - description: Pixel clock
28 minItems: 2
29 maxItems: 3
30
31 clock-names:
32 items:
33 - const: pclk
34 - const: ref
35 - const: px_clk
36 minItems: 2
37 maxItems: 3
38
39 resets:
40 maxItems: 1
41
42 reset-names:
43 items:
44 - const: apb
45
46 phy-dsi-supply:
47 description:
48 Phandle of the regulator that provides the supply voltage.
49
50 ports:
51 type: object
52 description:
53 A node containing DSI input & output port nodes with endpoint
54 definitions as documented in
55 Documentation/devicetree/bindings/media/video-interfaces.txt
56 Documentation/devicetree/bindings/graph.txt
57 properties:
58 port@0:
59 type: object
60 description:
61 DSI input port node, connected to the ltdc rgb output port.
62
63 port@1:
64 type: object
65 description:
66 DSI output port node, connected to a panel or a bridge input port"
67
68patternProperties:
69 "^(panel|panel-dsi)@[0-9]$":
70 type: object
71 description:
72 A node containing the panel or bridge description as documented in
73 Documentation/devicetree/bindings/display/mipi-dsi-bus.txt
74 properties:
75 port:
76 type: object
77 description:
78 Panel or bridge port node, connected to the DSI output port (port@1)
79
80 "#address-cells":
81 const: 1
82
83 "#size-cells":
84 const: 0
85
86required:
87 - "#address-cells"
88 - "#size-cells"
89 - compatible
90 - reg
91 - clocks
92 - clock-names
93 - ports
94
95additionalProperties: false
96
97examples:
98 - |
99 #include <dt-bindings/interrupt-controller/arm-gic.h>
100 #include <dt-bindings/clock/stm32mp1-clks.h>
101 #include <dt-bindings/reset/stm32mp1-resets.h>
102 #include <dt-bindings/gpio/gpio.h>
103 dsi: dsi@5a000000 {
104 compatible = "st,stm32-dsi";
105 reg = <0x5a000000 0x800>;
106 clocks = <&rcc DSI_K>, <&clk_hse>, <&rcc DSI_PX>;
107 clock-names = "pclk", "ref", "px_clk";
108 resets = <&rcc DSI_R>;
109 reset-names = "apb";
110 phy-dsi-supply = <®18>;
111
112 #address-cells = <1>;
113 #size-cells = <0>;
114
115 ports {
116 #address-cells = <1>;
117 #size-cells = <0>;
118
119 port@0 {
120 reg = <0>;
121 dsi_in: endpoint {
122 remote-endpoint = <<dc_ep1_out>;
123 };
124 };
125
126 port@1 {
127 reg = <1>;
128 dsi_out: endpoint {
129 remote-endpoint = <&panel_in>;
130 };
131 };
132 };
133
134 panel-dsi@0 {
135 compatible = "orisetech,otm8009a";
136 reg = <0>;
137 reset-gpios = <&gpioe 4 GPIO_ACTIVE_LOW>;
138 power-supply = <&v3v3>;
139
140 port {
141 panel_in: endpoint {
142 remote-endpoint = <&dsi_out>;
143 };
144 };
145 };
146 };
147
148...
149
150