Documentation/devicetree/bindings/soc/imx/fsl,imx8mp-hsio-blk-ctrl.yaml

   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,imx8mp-hsio-blk-ctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: NXP i.MX8MP HSIO blk-ctrl
   8
   9 maintainers:
  10   - Lucas Stach <l.stach@pengutronix.de>
  11
  12 description:
  13   The i.MX8MP HSIO blk-ctrl is a top-level peripheral providing access to
  14   the NoC and ensuring proper power sequencing of the high-speed IO
  15   (USB an PCIe) peripherals located in the HSIO domain of the SoC.
  16
  17 properties:
  18   compatible:
  19     items:
  20       - const: fsl,imx8mp-hsio-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: 6
  31     maxItems: 6
  32
  33   power-domain-names:
  34     items:
  35       - const: bus
  36       - const: usb
  37       - const: usb-phy1
  38       - const: usb-phy2
  39       - const: pcie
  40       - const: pcie-phy
  41
  42   clocks:
  43     minItems: 2
  44     maxItems: 2
  45
  46   clock-names:
  47     items:
  48       - const: usb
  49       - const: pcie
  50
  51   interconnects:
  52     maxItems: 4
  53
  54   interconnect-names:
  55     items:
  56       - const: noc-pcie
  57       - const: usb1
  58       - const: usb2
  59       - const: pcie
  60
  61 required:
  62   - compatible
  63   - reg
  64   - power-domains
  65   - power-domain-names
  66   - clocks
  67   - clock-names
  68
  69 additionalProperties: false
  70
  71 examples:
  72   - |
  73     #include <dt-bindings/clock/imx8mp-clock.h>
  74     #include <dt-bindings/power/imx8mp-power.h>
  75
  76     hsio_blk_ctrl: blk-ctrl@32f10000 {
  77         compatible = "fsl,imx8mp-hsio-blk-ctrl", "syscon";
  78         reg = <0x32f10000 0x24>;
  79         clocks = <&clk IMX8MP_CLK_USB_ROOT>,
  80                  <&clk IMX8MP_CLK_PCIE_ROOT>;
  81         clock-names = "usb", "pcie";
  82         power-domains = <&pgc_hsiomix>, <&pgc_hsiomix>,
  83                         <&pgc_usb1_phy>, <&pgc_usb2_phy>,
  84                         <&pgc_hsiomix>, <&pgc_pcie_phy>;
  85         power-domain-names = "bus", "usb", "usb-phy1",
  86                              "usb-phy2", "pcie", "pcie-phy";
  87         #power-domain-cells = <1>;
  88     };