Documentation/devicetree/bindings/mfd/brcm,cru.yaml

   1 # SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/mfd/brcm,cru.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Broadcom CRU
   8
   9 maintainers:
  10   - Rafał Miłecki <rafal@milecki.pl>
  11
  12 description: |
  13   Broadcom CRU ("Clock and Reset Unit" or "Central Resource Unit") is a hardware
  14   block grouping smaller blocks. On Broadcom Northstar platform it contains e.g.
  15   clocks, pinctrl, USB PHY and thermal.
  16
  17 properties:
  18   compatible:
  19     items:
  20       - enum:
  21           - brcm,ns-cru
  22       - const: simple-mfd
  23
  24   reg:
  25     description: CRU registers
  26
  27   ranges: true
  28
  29   "#address-cells":
  30     const: 1
  31
  32   "#size-cells":
  33     const: 1
  34
  35 patternProperties:
  36   '^clock-controller@[a-f0-9]+$':
  37     $ref: ../clock/brcm,iproc-clocks.yaml
  38
  39   '^pin-controller@[a-f0-9]+$':
  40     $ref: ../pinctrl/brcm,ns-pinmux.yaml
  41
  42   '^thermal@[a-f0-9]+$':
  43     $ref: ../thermal/brcm,ns-thermal.yaml
  44
  45 additionalProperties: false
  46
  47 required:
  48   - reg
  49
  50 examples:
  51   - |
  52     cru-bus@1800c100 {
  53         compatible = "brcm,ns-cru", "simple-mfd";
  54         reg = <0x1800c100 0x1d0>;
  55         ranges;
  56         #address-cells = <1>;
  57         #size-cells = <1>;
  58
  59         clock-controller@100 {
  60             #clock-cells = <1>;
  61             compatible = "brcm,nsp-lcpll0";
  62             reg = <0x100 0x14>;
  63             clocks = <&osc>;
  64             clock-output-names = "lcpll0", "pcie_phy", "sdio", "ddr_phy";
  65         };
  66
  67         clock-controller@140 {
  68             #clock-cells = <1>;
  69             compatible = "brcm,nsp-genpll";
  70             reg = <0x140 0x24>;
  71             clocks = <&osc>;
  72             clock-output-names = "genpll", "phy", "ethernetclk", "usbclk",
  73                                  "iprocfast", "sata1", "sata2";
  74         };
  75
  76         pin-controller@1c0 {
  77             compatible = "brcm,bcm4708-pinmux";
  78             reg = <0x1c0 0x24>;
  79             reg-names = "cru_gpio_control";
  80         };
  81
  82         thermal@2c0 {
  83             compatible = "brcm,ns-thermal";
  84             reg = <0x2c0 0x10>;
  85             #thermal-sensor-cells = <0>;
  86         };
  87     };