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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,imx8mm-vpu-blk-ctrl.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: NXP i.MX8MM VPU blk-ctrl
    8 
    9 maintainers:
   10   - Lucas Stach <l.stach@pengutronix.de>
   11 
   12 description:
   13   The i.MX8MM VPU blk-ctrl is a top-level peripheral providing access to
   14   the NoC and ensuring proper power sequencing of the VPU peripherals
   15   located in the VPU domain of the SoC.
   16 
   17 properties:
   18   compatible:
   19     items:
   20       - const: fsl,imx8mm-vpu-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: 4
   31     maxItems: 4
   32 
   33   power-domain-names:
   34     items:
   35       - const: bus
   36       - const: g1
   37       - const: g2
   38       - const: h1
   39 
   40   clocks:
   41     minItems: 3
   42     maxItems: 3
   43 
   44   clock-names:
   45     items:
   46       - const: g1
   47       - const: g2
   48       - const: h1
   49 
   50 required:
   51   - compatible
   52   - reg
   53   - power-domains
   54   - power-domain-names
   55   - clocks
   56   - clock-names
   57 
   58 additionalProperties: false
   59 
   60 examples:
   61   - |
   62     #include <dt-bindings/clock/imx8mm-clock.h>
   63     #include <dt-bindings/power/imx8mm-power.h>
   64 
   65     vpu_blk_ctrl: blk-ctrl@38330000 {
   66       compatible = "fsl,imx8mm-vpu-blk-ctrl", "syscon";
   67       reg = <0x38330000 0x100>;
   68       power-domains = <&pgc_vpumix>, <&pgc_vpu_g1>,
   69                       <&pgc_vpu_g2>, <&pgc_vpu_h1>;
   70       power-domain-names = "bus", "g1", "g2", "h1";
   71       clocks = <&clk IMX8MM_CLK_VPU_G1_ROOT>,
   72                <&clk IMX8MM_CLK_VPU_G2_ROOT>,
   73                <&clk IMX8MM_CLK_VPU_H1_ROOT>;
   74       clock-names = "g1", "g2", "h1";
   75       #power-domain-cells = <1>;
   76     };
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