xref: /openbmc/linux/Documentation/devicetree/bindings/pinctrl/qcom,msm8660-pinctrl.yaml (revision 12a18bb7)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,msm8660-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm MSM8660 TLMM pin controller

maintainers:
  - Bjorn Andersson <andersson@kernel.org>
  - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>

description:
  Top Level Mode Multiplexer pin controller in Qualcomm MSM8660 SoC.

properties:
  compatible:
    const: qcom,msm8660-pinctrl

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  interrupt-controller: true
  "#interrupt-cells": true
  gpio-controller: true
  "#gpio-cells": true
  gpio-ranges: true
  wakeup-parent: true

  gpio-reserved-ranges:
    minItems: 1
    maxItems: 86

  gpio-line-names:
    maxItems: 173

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-msm8660-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-msm8660-tlmm-state"
        additionalProperties: false

$defs:
  qcom-msm8660-tlmm-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

    properties:
      pins:
        description:
          List of gpio pins affected by the properties specified in this
          subnode.
        items:
          oneOf:
            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-6][0-9]|17[0-2])$"
            - enum: [ sdc3_clk, sdc3_cmd, sdc3_data, sdc4_clk, sdc4_cmd, sdc4_data ]
        minItems: 1
        maxItems: 36

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

        enum: [ gpio, cam_mclk, dsub, ext_gps, gp_clk_0a, gp_clk_0b, gp_clk_1a,
                gp_clk_1b, gp_clk_2a, gp_clk_2b, gp_mn, gsbi1, gsbi1_spi_cs1_n,
                gsbi1_spi_cs2a_n, gsbi1_spi_cs2b_n, gsbi1_spi_cs3_n, gsbi2,
                gsbi2_spi_cs1_n, gsbi2_spi_cs2_n, gsbi2_spi_cs3_n, gsbi3,
                gsbi3_spi_cs1_n, gsbi3_spi_cs2_n, gsbi3_spi_cs3_n, gsbi4,
                gsbi5, gsbi6, gsbi7, gsbi8, gsbi9, gsbi10, gsbi11, gsbi12,
                hdmi, i2s, lcdc, mdp_vsync, mi2s, pcm, ps_hold, sdc1, sdc2,
                sdc5, tsif1, tsif2, usb_fs1, usb_fs1_oe_n, usb_fs2,
                usb_fs2_oe_n, vfe, vsens_alarm, ebi2, ebi2cs ]


      bias-pull-down: true
      bias-pull-up: true
      bias-disable: true
      drive-strength: true
      input-enable: true
      output-high: true
      output-low: true

    required:
      - pins

    additionalProperties: false

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

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    tlmm: pinctrl@800000 {
        compatible = "qcom,msm8660-pinctrl";
        reg = <0x800000 0x4000>;

        gpio-controller;
        gpio-ranges = <&tlmm 0 0 173>;
        #gpio-cells = <2>;
        interrupts = <0 16 0x4>;
        interrupt-controller;
        #interrupt-cells = <2>;

        gsbi3-i2c-state {
            pins = "gpio43", "gpio44";
            function = "gsbi3";
            drive-strength = <8>;
            bias-disable;
        };
    };