Bindings/soc/imx/fsl,imx93-src.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,imx93-src.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: NXP i.MX93 System Reset Controller
   8
   9 maintainers:
  10   - Peng Fan <peng.fan@nxp.com>
  11
  12 description: |
  13   The System Reset Controller (SRC) is responsible for the generation of
  14   all the system reset signals and boot argument latching.
  15
  16   Its main functions are as follows,
  17   - Deals with all global system reset sources from other modules,
  18     and generates global system reset.
  19   - Responsible for power gating of MIXs (Slices) and their memory
  20     low power control.
  21
  22 properties:
  23   compatible:
  24     items:
  25       - const: fsl,imx93-src
  26       - const: syscon
  27
  28   reg:
  29     maxItems: 1
  30
  31   ranges: true
  32
  33   '#address-cells':
  34     const: 1
  35
  36   '#size-cells':
  37     const: 1
  38
  39 patternProperties:
  40   "power-domain@[0-9a-f]+$":
  41     type: object
  42     additionalProperties: false
  43
  44     properties:
  45       compatible:
  46         items:
  47           - const: fsl,imx93-src-slice
  48
  49       '#power-domain-cells':
  50         const: 0
  51
  52       reg:
  53         items:
  54           - description: mix slice register region
  55           - description: mem slice register region
  56
  57       clocks:
  58         description: |
  59           A number of phandles to clocks that need to be enabled
  60           during domain power-up sequencing to ensure reset
  61           propagation into devices located inside this power domain.
  62         minItems: 1
  63         maxItems: 5
  64
  65     required:
  66       - compatible
  67       - '#power-domain-cells'
  68       - reg
  69
  70 required:
  71   - compatible
  72   - reg
  73   - ranges
  74   - '#address-cells'
  75   - '#size-cells'
  76
  77 additionalProperties: false
  78
  79 examples:
  80   - |
  81     #include <dt-bindings/clock/imx93-clock.h>
  82
  83     system-controller@44460000 {
  84         compatible = "fsl,imx93-src", "syscon";
  85         reg = <0x44460000 0x10000>;
  86         #address-cells = <1>;
  87         #size-cells = <1>;
  88         ranges;
  89
  90         mediamix: power-domain@0 {
  91             compatible = "fsl,imx93-src-slice";
  92             reg = <0x44462400 0x400>, <0x44465800 0x400>;
  93             #power-domain-cells = <0>;
  94             clocks = <&clk IMX93_CLK_MEDIA_AXI>,
  95                      <&clk IMX93_CLK_MEDIA_APB>;
  96         };
  97     };