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-ltdc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
6
7 title: STMicroelectronics STM32 lcd-tft display controller
8
9 maintainers:
10 - Philippe Cornu <philippe.cornu@foss.st.com>
11 - Yannick Fertre <yannick.fertre@foss.st.com>
12
13 properties:
14 compatible:
15 const: st,stm32-ltdc
16
17 reg:
18 maxItems: 1
19
20 interrupts:
21 items:
22 - description: events interrupt line.
23 - description: errors interrupt line.
24 minItems: 1
25
26 clocks:
27 maxItems: 1
28
29 clock-names:
30 items:
31 - const: lcd
32
33 resets:
34 maxItems: 1
35
36 port:
37 $ref: /schemas/graph.yaml#/properties/port
38 description: |
39 Video port for DPI RGB output.
40 ltdc has one video port with up to 2 endpoints:
41 - for external dpi rgb panel or bridge, using gpios.
42 - for internal dpi input of the MIPI DSI host controller.
43 Note: These 2 endpoints cannot be activated simultaneously.
44
45 required:
46 - compatible
47 - reg
48 - interrupts
49 - clocks
50 - clock-names
51 - resets
52 - port
53
54 additionalProperties: false
55
56 examples:
57 - |
58 #include <dt-bindings/interrupt-controller/arm-gic.h>
59 #include <dt-bindings/clock/stm32mp1-clks.h>
60 #include <dt-bindings/reset/stm32mp1-resets.h>
61 ltdc: display-controller@40016800 {
62 compatible = "st,stm32-ltdc";
63 reg = <0x5a001000 0x400>;
64 interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
65 <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
66 clocks = <&rcc LTDC_PX>;
67 clock-names = "lcd";
68 resets = <&rcc LTDC_R>;
69
70 port {
71 ltdc_out_dsi: endpoint {
72 remote-endpoint = <&dsi_in>;
73 };
74 };
75 };
76
77 ...
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