xref: /linux/Documentation/devicetree/bindings/soc/imx/fsl,imx8mm-disp-blk-ctrl.yaml (revision c83b49383b595be50647f0c764a48c78b5f3c4f8) 
1# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
2%YAML 1.2
3---
4$id: http://devicetree.org/schemas/soc/imx/fsl,imx8mm-disp-blk-ctrl.yaml#
5$schema: http://devicetree.org/meta-schemas/core.yaml#
6
7title: NXP i.MX8MM DISP blk-ctrl
8
9maintainers:
10  - Lucas Stach <l.stach@pengutronix.de>
11
12description:
13  The i.MX8MM DISP blk-ctrl is a top-level peripheral providing access to
14  the NoC and ensuring proper power sequencing of the display and MIPI CSI
15  peripherals located in the DISP domain of the SoC.
16
17properties:
18  compatible:
19    items:
20      - const: fsl,imx8mm-disp-blk-ctrl
21      - const: syscon
22
23  reg:
24    maxItems: 1
25
26  '#power-domain-cells':
27    const: 1
28
29  power-domains:
30    minItems: 5
31    maxItems: 5
32
33  power-domain-names:
34    items:
35      - const: bus
36      - const: csi-bridge
37      - const: lcdif
38      - const: mipi-dsi
39      - const: mipi-csi
40
41  clocks:
42    minItems: 10
43    maxItems: 10
44
45  clock-names:
46    items:
47      - const: csi-bridge-axi
48      - const: csi-bridge-apb
49      - const: csi-bridge-core
50      - const: lcdif-axi
51      - const: lcdif-apb
52      - const: lcdif-pix
53      - const: dsi-pclk
54      - const: dsi-ref
55      - const: csi-aclk
56      - const: csi-pclk
57
58required:
59  - compatible
60  - reg
61  - power-domains
62  - power-domain-names
63  - clocks
64  - clock-names
65
66additionalProperties: false
67
68examples:
69  - |
70    #include <dt-bindings/clock/imx8mm-clock.h>
71    #include <dt-bindings/power/imx8mm-power.h>
72
73    blk-ctrl@32e28000 {
74      compatible = "fsl,imx8mm-disp-blk-ctrl", "syscon";
75      reg = <0x32e28000 0x100>;
76      power-domains = <&pgc_dispmix>, <&pgc_dispmix>, <&pgc_dispmix>,
77                      <&pgc_mipi>, <&pgc_mipi>;
78      power-domain-names = "bus", "csi-bridge", "lcdif",
79                           "mipi-dsi", "mipi-csi";
80      clocks = <&clk IMX8MM_CLK_DISP_AXI_ROOT>,
81               <&clk IMX8MM_CLK_DISP_APB_ROOT>,
82               <&clk IMX8MM_CLK_CSI1_ROOT>,
83               <&clk IMX8MM_CLK_DISP_AXI_ROOT>,
84               <&clk IMX8MM_CLK_DISP_APB_ROOT>,
85               <&clk IMX8MM_CLK_DISP_ROOT>,
86               <&clk IMX8MM_CLK_DSI_CORE>,
87               <&clk IMX8MM_CLK_DSI_PHY_REF>,
88               <&clk IMX8MM_CLK_CSI1_CORE>,
89               <&clk IMX8MM_CLK_CSI1_PHY_REF>;
90       clock-names = "csi-bridge-axi", "csi-bridge-apb", "csi-bridge-core",
91                     "lcdif-axi", "lcdif-apb", "lcdif-pix", "dsi-pclk",
92                     "dsi-ref", "csi-aclk", "csi-pclk";
93       #power-domain-cells = <1>;
94    };
95