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     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 required:
   52   - compatible
   53   - reg
   54   - power-domains
   55   - power-domain-names
   56   - clocks
   57   - clock-names
   58 
   59 additionalProperties: false
   60 
   61 examples:
   62   - |
   63     #include <dt-bindings/clock/imx8mp-clock.h>
   64     #include <dt-bindings/power/imx8mp-power.h>
   65 
   66     hsio_blk_ctrl: blk-ctrl@32f10000 {
   67         compatible = "fsl,imx8mp-hsio-blk-ctrl", "syscon";
   68         reg = <0x32f10000 0x24>;
   69         clocks = <&clk IMX8MP_CLK_USB_ROOT>,
   70                  <&clk IMX8MP_CLK_PCIE_ROOT>;
   71         clock-names = "usb", "pcie";
   72         power-domains = <&pgc_hsiomix>, <&pgc_hsiomix>,
   73                         <&pgc_usb1_phy>, <&pgc_usb2_phy>,
   74                         <&pgc_hsiomix>, <&pgc_pcie_phy>;
   75         power-domain-names = "bus", "usb", "usb-phy1",
   76                              "usb-phy2", "pcie", "pcie-phy";
   77         #power-domain-cells = <1>;
   78     };
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