Documentation/devicetree/bindings/pinctrl/toshiba,visconti-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/toshiba,visconti-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Toshiba Visconti TMPV770x pin mux/config controller
   8
   9 maintainers:
  10   - Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>
  11
  12 description:
  13   Toshiba's Visconti ARM SoC a pin mux/config controller.
  14
  15 properties:
  16   compatible:
  17     enum:
  18       - toshiba,tmpv7708-pinctrl
  19
  20   reg:
  21     maxItems: 1
  22
  23 allOf:
  24   - $ref: pinctrl.yaml#
  25
  26 required:
  27   - compatible
  28   - reg
  29
  30 patternProperties:
  31   '-pins$':
  32     type: object
  33     description: |
  34       A pinctrl node should contain at least one subnodes representing the
  35       pinctrl groups available on the machine. Each subnode will list the
  36       pins it needs, and how they should be configured, with regard to muxer
  37       configuration, pullups, drive strength.
  38     $ref: pinmux-node.yaml
  39     additionalProperties: false
  40
  41     properties:
  42       function:
  43         description:
  44           Function to mux.
  45         $ref: /schemas/types.yaml#/definitions/string
  46         enum: [i2c0, i2c1, i2c2, i2c3, i2c4, i2c5, i2c6, i2c7, i2c8,
  47                spi0, spi1, spi2, spi3, spi4, spi5, spi6,
  48                uart0, uart1, uart2, uart3, pwm, pcmif_out, pcmif_in]
  49
  50       groups:
  51         description:
  52           Name of the pin group to use for the functions.
  53         $ref: /schemas/types.yaml#/definitions/string
  54         enum: [i2c0_grp, i2c1_grp, i2c2_grp, i2c3_grp, i2c4_grp,
  55                i2c5_grp, i2c6_grp, i2c7_grp, i2c8_grp,
  56                spi0_grp, spi0_cs0_grp, spi0_cs1_grp, spi0_cs2_grp,
  57                spi1_grp, spi2_grp, spi3_grp, spi4_grp, spi5_grp, spi6_grp,
  58                uart0_grp, uart1_grp, uart2_grp, uart3_grp,
  59                pwm0_gpio4_grp, pwm0_gpio8_grp, pwm0_gpio12_grp,
  60                pwm0_gpio16_grp, pwm1_gpio5_grp, pwm1_gpio9_grp,
  61                pwm1_gpio13_grp, pwm1_gpio17_grp, pwm2_gpio6_grp,
  62                pwm2_gpio10_grp, pwm2_gpio14_grp, pwm2_gpio18_grp,
  63                pwm3_gpio7_grp, pwm3_gpio11_grp, pwm3_gpio15_grp,
  64                pwm3_gpio19_grp, pcmif_out_grp, pcmif_in_grp]
  65
  66       drive-strength:
  67         enum: [2, 4, 6, 8, 16, 24, 32]
  68         default: 2
  69         description:
  70           Selects the drive strength for the specified pins, in mA.
  71
  72       bias-pull-up: true
  73
  74       bias-pull-down: true
  75
  76       bias-disable: true
  77
  78 additionalProperties: false
  79
  80 examples:
  81   # Pinmux controller node
  82   - |
  83     soc {
  84         #address-cells = <2>;
  85         #size-cells = <2>;
  86
  87         pmux: pinmux@24190000 {
  88             compatible = "toshiba,tmpv7708-pinctrl";
  89             reg = <0 0x24190000 0 0x10000>;
  90
  91             spi0_pins: spi0-pins {
  92                 function = "spi0";
  93                 groups = "spi0_grp";
  94             };
  95         };
  96     };