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Open Menu / Documentation / devicetree / bindings / soc / imx / fsl,imx8mn-disp-blk-ctrl.yaml
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# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/soc/imx/fsl,imx8mn-disp-blk-ctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: NXP i.MX8MN DISP blk-ctrl

maintainers:
  - Lucas Stach <l.stach@pengutronix.de>

description:
  The i.MX8MN DISP blk-ctrl is a top-level peripheral providing access to
  the NoC and ensuring proper power sequencing of the display and MIPI CSI
  peripherals located in the DISP domain of the SoC.

properties:
  compatible:
    items:
      - const: fsl,imx8mn-disp-blk-ctrl
      - const: syscon

  reg:
    maxItems: 1

  '#power-domain-cells':
    const: 1

  power-domains:
    minItems: 5
    maxItems: 5

  power-domain-names:
    items:
      - const: bus
      - const: isi
      - const: lcdif
      - const: mipi-dsi
      - const: mipi-csi

  clocks:
    minItems: 11
    maxItems: 11

  clock-names:
    items:
      - const: disp_axi
      - const: disp_apb
      - const: disp_axi_root
      - const: disp_apb_root
      - const: lcdif-axi
      - const: lcdif-apb
      - const: lcdif-pix
      - const: dsi-pclk
      - const: dsi-ref
      - const: csi-aclk
      - const: csi-pclk

required:
  - compatible
  - reg
  - power-domains
  - power-domain-names
  - clocks
  - clock-names

additionalProperties: false

examples:
  - |
    #include <dt-bindings/clock/imx8mn-clock.h>
    #include <dt-bindings/power/imx8mn-power.h>

    blk-ctrl@32e28000 {
      compatible = "fsl,imx8mn-disp-blk-ctrl", "syscon";
      reg = <0x32e28000 0x100>;
      power-domains = <&pgc_dispmix>, <&pgc_dispmix>,
                      <&pgc_dispmix>, <&pgc_mipi>,
                      <&pgc_mipi>;
      power-domain-names = "bus", "isi", "lcdif", "mipi-dsi",
                           "mipi-csi";
      clocks = <&clk IMX8MN_CLK_DISP_AXI>,
               <&clk IMX8MN_CLK_DISP_APB>,
               <&clk IMX8MN_CLK_DISP_AXI_ROOT>,
               <&clk IMX8MN_CLK_DISP_APB_ROOT>,
               <&clk IMX8MN_CLK_DISP_AXI_ROOT>,
               <&clk IMX8MN_CLK_DISP_APB_ROOT>,
               <&clk IMX8MN_CLK_DISP_PIXEL_ROOT>,
               <&clk IMX8MN_CLK_DSI_CORE>,
               <&clk IMX8MN_CLK_DSI_PHY_REF>,
               <&clk IMX8MN_CLK_CSI1_PHY_REF>,
               <&clk IMX8MN_CLK_CAMERA_PIXEL_ROOT>;
       clock-names = "disp_axi", "disp_apb", "disp_axi_root", "disp_apb_root",
                     "lcdif-axi", "lcdif-apb", "lcdif-pix", "dsi-pclk",
                     "dsi-ref", "csi-aclk", "csi-pclk";
       #power-domain-cells = <1>;
    };