Bindings/pinctrl/fsl,imxrt1050.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/pinctrl/fsl,imxrt1050.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale IMXRT1050 IOMUX Controller
   8
   9 maintainers:
  10   - Giulio Benetti <giulio.benetti@benettiengineering.com>
  11   - Jesse Taube <Mr.Bossman075@gmail.com>
  12
  13 description:
  14   Please refer to fsl,imx-pinctrl.txt and pinctrl-bindings.txt in this directory
  15   for common binding part and usage.
  16
  17 properties:
  18   compatible:
  19     const: fsl,imxrt1050-iomuxc
  20
  21   reg:
  22     maxItems: 1
  23
  24 # Client device subnode's properties
  25 patternProperties:
  26   'grp$':
  27     type: object
  28     description:
  29       Pinctrl node's client devices use subnodes for desired pin configuration.
  30       Client device subnodes use below standard properties.
  31
  32     properties:
  33       fsl,pins:
  34         description:
  35           each entry consists of 6 integers and represents the mux and config
  36           setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
  37           mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
  38           be found in <arch/arm/boot/dts/imxrt1050-pinfunc.h>. The last
  39           integer CONFIG is the pad setting value like pull-up on this pin. Please
  40           refer to i.MXRT1050 Reference Manual for detailed CONFIG settings.
  41         $ref: /schemas/types.yaml#/definitions/uint32-matrix
  42         items:
  43           items:
  44             - description: |
  45                 "mux_reg" indicates the offset of mux register.
  46             - description: |
  47                 "conf_reg" indicates the offset of pad configuration register.
  48             - description: |
  49                 "input_reg" indicates the offset of select input register.
  50             - description: |
  51                 "mux_val" indicates the mux value to be applied.
  52             - description: |
  53                 "input_val" indicates the select input value to be applied.
  54             - description: |
  55                 "pad_setting" indicates the pad configuration value to be applied.
  56
  57     required:
  58       - fsl,pins
  59
  60     additionalProperties: false
  61
  62 required:
  63   - compatible
  64   - reg
  65
  66 additionalProperties: false
  67
  68 examples:
  69   - |
  70     iomuxc: iomuxc@401f8000 {
  71         compatible = "fsl,imxrt1050-iomuxc";
  72         reg = <0x401f8000 0x4000>;
  73
  74         pinctrl_lpuart1: lpuart1grp {
  75             fsl,pins =
  76               <0x0EC 0x2DC 0x000 0x2 0x0        0xf1>,
  77               <0x0F0 0x2E0 0x000 0x2 0x0        0xf1>;
  78         };
  79     };