bindings/pinctrl/fsl,imx93-pinctrl.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,imx93-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Freescale IMX93 IOMUX Controller
   8
   9 maintainers:
  10   - Peng Fan <peng.fan@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 allOf:
  17   - $ref: pinctrl.yaml#
  18
  19 properties:
  20   compatible:
  21     const: fsl,imx93-iomuxc
  22
  23   reg:
  24     maxItems: 1
  25
  26 # Client device subnode's properties
  27 patternProperties:
  28   'grp$':
  29     type: object
  30     description:
  31       Pinctrl node's client devices use subnodes for desired pin configuration.
  32       Client device subnodes use below standard properties.
  33
  34     properties:
  35       fsl,pins:
  36         description:
  37           each entry consists of 6 integers and represents the mux and config
  38           setting for one pin. The first 5 integers <mux_reg conf_reg input_reg
  39           mux_val input_val> are specified using a PIN_FUNC_ID macro, which can
  40           be found in <arch/arm64/boot/dts/freescale/imx8mp-pinfunc.h>. The last
  41           integer CONFIG is the pad setting value like pull-up on this pin. Please
  42           refer to i.MX8M Plus Reference Manual for detailed CONFIG settings.
  43         $ref: /schemas/types.yaml#/definitions/uint32-matrix
  44         items:
  45           items:
  46             - description: |
  47                 "mux_reg" indicates the offset of mux register.
  48             - description: |
  49                 "conf_reg" indicates the offset of pad configuration register.
  50             - description: |
  51                 "input_reg" indicates the offset of select input register.
  52             - description: |
  53                 "mux_val" indicates the mux value to be applied.
  54             - description: |
  55                 "input_val" indicates the select input value to be applied.
  56             - description: |
  57                 "pad_setting" indicates the pad configuration value to be applied.
  58
  59
  60     required:
  61       - fsl,pins
  62
  63     additionalProperties: false
  64
  65 required:
  66   - compatible
  67   - reg
  68
  69 additionalProperties: false
  70
  71 examples:
  72   # Pinmux controller node
  73   - |
  74     iomuxc: pinctrl@443c0000 {
  75         compatible = "fsl,imx93-iomuxc";
  76         reg = <0x30330000 0x10000>;
  77
  78         pinctrl_uart3: uart3grp {
  79             fsl,pins =
  80                 <0x48 0x1f8 0x41c 0x1 0x0       0x49>,
  81                 <0x4c 0x1fc 0x418 0x1 0x0       0x49>;
  82         };
  83     };
  84
  85 ...