xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/display/st,stm32-ltdc.yaml (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2*4882a593Smuzhiyun%YAML 1.2
3*4882a593Smuzhiyun---
4*4882a593Smuzhiyun$id: http://devicetree.org/schemas/display/st,stm32-ltdc.yaml#
5*4882a593Smuzhiyun$schema: http://devicetree.org/meta-schemas/core.yaml#
6*4882a593Smuzhiyun
7*4882a593Smuzhiyuntitle: STMicroelectronics STM32 lcd-tft display controller
8*4882a593Smuzhiyun
9*4882a593Smuzhiyunmaintainers:
10*4882a593Smuzhiyun  - Philippe Cornu <philippe.cornu@st.com>
11*4882a593Smuzhiyun  - Yannick Fertre <yannick.fertre@st.com>
12*4882a593Smuzhiyun
13*4882a593Smuzhiyunproperties:
14*4882a593Smuzhiyun  compatible:
15*4882a593Smuzhiyun    const: st,stm32-ltdc
16*4882a593Smuzhiyun
17*4882a593Smuzhiyun  reg:
18*4882a593Smuzhiyun    maxItems: 1
19*4882a593Smuzhiyun
20*4882a593Smuzhiyun  interrupts:
21*4882a593Smuzhiyun    items:
22*4882a593Smuzhiyun      - description: events interrupt line.
23*4882a593Smuzhiyun      - description: errors interrupt line.
24*4882a593Smuzhiyun    minItems: 1
25*4882a593Smuzhiyun    maxItems: 2
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun  clocks:
28*4882a593Smuzhiyun    maxItems: 1
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun  clock-names:
31*4882a593Smuzhiyun    items:
32*4882a593Smuzhiyun      - const: lcd
33*4882a593Smuzhiyun
34*4882a593Smuzhiyun  resets:
35*4882a593Smuzhiyun    maxItems: 1
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun  port:
38*4882a593Smuzhiyun    type: object
39*4882a593Smuzhiyun    description:
40*4882a593Smuzhiyun      "Video port for DPI RGB output.
41*4882a593Smuzhiyun      ltdc has one video port with up to 2 endpoints:
42*4882a593Smuzhiyun      - for external dpi rgb panel or bridge, using gpios.
43*4882a593Smuzhiyun      - for internal dpi input of the MIPI DSI host controller.
44*4882a593Smuzhiyun      Note: These 2 endpoints cannot be activated simultaneously.
45*4882a593Smuzhiyun      Please refer to the bindings defined in
46*4882a593Smuzhiyun      Documentation/devicetree/bindings/media/video-interfaces.txt."
47*4882a593Smuzhiyun
48*4882a593Smuzhiyunrequired:
49*4882a593Smuzhiyun  - compatible
50*4882a593Smuzhiyun  - reg
51*4882a593Smuzhiyun  - interrupts
52*4882a593Smuzhiyun  - clocks
53*4882a593Smuzhiyun  - clock-names
54*4882a593Smuzhiyun  - resets
55*4882a593Smuzhiyun  - port
56*4882a593Smuzhiyun
57*4882a593SmuzhiyunadditionalProperties: false
58*4882a593Smuzhiyun
59*4882a593Smuzhiyunexamples:
60*4882a593Smuzhiyun  - |
61*4882a593Smuzhiyun    #include <dt-bindings/interrupt-controller/arm-gic.h>
62*4882a593Smuzhiyun    #include <dt-bindings/clock/stm32mp1-clks.h>
63*4882a593Smuzhiyun    #include <dt-bindings/reset/stm32mp1-resets.h>
64*4882a593Smuzhiyun    ltdc: display-controller@40016800 {
65*4882a593Smuzhiyun        compatible = "st,stm32-ltdc";
66*4882a593Smuzhiyun        reg = <0x5a001000 0x400>;
67*4882a593Smuzhiyun        interrupts = <GIC_SPI 88 IRQ_TYPE_LEVEL_HIGH>,
68*4882a593Smuzhiyun                     <GIC_SPI 89 IRQ_TYPE_LEVEL_HIGH>;
69*4882a593Smuzhiyun        clocks = <&rcc LTDC_PX>;
70*4882a593Smuzhiyun        clock-names = "lcd";
71*4882a593Smuzhiyun        resets = <&rcc LTDC_R>;
72*4882a593Smuzhiyun
73*4882a593Smuzhiyun        port {
74*4882a593Smuzhiyun             ltdc_out_dsi: endpoint {
75*4882a593Smuzhiyun                     remote-endpoint = <&dsi_in>;
76*4882a593Smuzhiyun             };
77*4882a593Smuzhiyun        };
78*4882a593Smuzhiyun    };
79*4882a593Smuzhiyun
80*4882a593Smuzhiyun...
81*4882a593Smuzhiyun
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