Documentation/devicetree/bindings/pinctrl/fsl,imx8mp-pinctrl.yaml

   1 # SPDX-License-Identifier: GPL-2.0
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/pinctrl/fsl,imx8mp-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale IMX8MP IOMUX Controller
   8
   9 maintainers:
  10   - Anson Huang <Anson.Huang@nxp.com>
  11
  12 description:
  13   Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
  14   for common binding part and usage.
  15
  16 properties:
  17   compatible:
  18     const: fsl,imx8mp-iomuxc
  19
  20   reg:
  21     maxItems: 1
  22
  23 # Client device subnode's properties
  24 patternProperties:
  25   'grp$':
  26     type: object
  27     description:
  28       Pinctrl node's client devices use subnodes for desired pin configuration.
  29       Client device subnodes use below standard properties.
  30
  31     properties:
  32       fsl,pins:
  33         allOf:
  34           - $ref: /schemas/types.yaml#/definitions/uint32-array
  35         description:
  36           each entry consists of 6 integers and represents the mux and config
  37           setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
  38           mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
  39           be found in <arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h>. The last
  40           integer CONFIG is the pad setting value like pull-up on this pin. Please
  41           refer to i.MX8M Plus Reference Manual for detailed CONFIG settings.
  42
  43     required:
  44       - fsl,pins
  45
  46     additionalProperties: false
  47
  48 required:
  49   - compatible
  50   - reg
  51
  52 additionalProperties: false
  53
  54 examples:
  55   # Pinmux controller node
  56   - |
  57     iomuxc: pinctrl@30330000 {
  58         compatible = "fsl,imx8mp-iomuxc";
  59         reg = <0x30330000 0x10000>;
  60
  61         pinctrl_uart2: uart2grp {
  62             fsl,pins = <
  63                 0x228 0x488 0x5F0 0x0 0x6       0x49
  64                 0x228 0x488 0x000 0x0 0x0       0x49
  65             >;
  66         };
  67     };
  68
  69 ...