xref: /openbmc/linux/Documentation/devicetree/bindings/pinctrl/qcom,mdm9615-pinctrl.yaml (revision 1ac731c529cd4d6adbce134754b51ff7d822b145)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,mdm9615-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. MDM9615 TLMM block

maintainers:
  - Bjorn Andersson <andersson@kernel.org>

description: Top Level Mode Multiplexer pin controller in Qualcomm MDM9615 SoC.

$ref: /schemas/pinctrl/qcom,tlmm-common.yaml#

properties:
  compatible:
    const: qcom,mdm9615-pinctrl

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  interrupt-controller: true
  '#interrupt-cells': true
  gpio-controller: true
  '#gpio-cells': true
  gpio-ranges: true

required:
  - compatible
  - reg

additionalProperties: false

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-mdm9615-pinctrl-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-mdm9615-pinctrl-state"
        additionalProperties: false

$defs:
  qcom-mdm9615-pinctrl-state:
    type: object
    description:
      Pinctrl node's client devices use subnodes for desired pin configuration.
      Client device subnodes use below standard properties.
    $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
    unevaluatedProperties: false

    properties:
      pins:
        description:
          List of gpio pins affected by the properties specified in this
          subnode.
        items:
          pattern: "^gpio([0-9]|[1-7][0-9]|8[0-7])$"
        minItems: 1
        maxItems: 16

      function:
        description:
          Specify the alternative function to be configured for the specified
          pins.

        enum: [ gpio, gsbi2_i2c, gsbi3, gsbi4, gsbi5_i2c, gsbi5_uart,
                sdc2, ebi2_lcdc, ps_hold, prim_audio, sec_audio, cdc_mclk, ]

    required:
      - pins

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    tlmm: pinctrl@1000000 {
      compatible = "qcom,mdm9615-pinctrl";
      reg = <0x01000000 0x300000>;
      interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
      gpio-controller;
      gpio-ranges = <&msmgpio 0 0 88>;
      #gpio-cells = <2>;
      interrupt-controller;
      #interrupt-cells = <2>;

      gsbi3-state {
        pins = "gpio8", "gpio9", "gpio10", "gpio11";
        function = "gsbi3";
        drive-strength = <8>;
        bias-disable;
      };

      gsbi5-i2c-state {
        sda-pins {
          pins = "gpio16";
          function = "gsbi5_i2c";
          drive-strength = <8>;
          bias-disable;
        };

        scl-pins {
          pins = "gpio17";
          function = "gsbi5_i2c";
          drive-strength = <2>;
          bias-disable;
        };
      };
    };