linux/Documentation/devicetree/bindings/pinctrl/qcom,sm6115-pinctrl.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,sm6115-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. SM6115, SM4250 TLMM block

maintainers:
  - Iskren Chernev <iskren.chernev@gmail.com>

description:
  This binding describes the Top Level Mode Multiplexer block found in the
  SM4250/6115 platforms.

properties:
  compatible:
    const: qcom,sm6115-tlmm

  reg:
    minItems: 3
    maxItems: 3

  reg-names:
    items:
      - const: west
      - const: south
      - const: east

  interrupts:
    description: Specifies the TLMM summary IRQ
    maxItems: 1

  interrupt-controller: true

  '#interrupt-cells':
    description:
      Specifies the PIN numbers and Flags, as defined in defined in
      include/dt-bindings/interrupt-controller/irq.h
    const: 2

  gpio-controller: true

  '#gpio-cells':
    description: Specifying the pin number and flags, as defined in
      include/dt-bindings/gpio/gpio.h
    const: 2

  gpio-ranges:
    maxItems: 1

  gpio-reserved-ranges: true

  wakeup-parent: true

#PIN CONFIGURATION NODES
patternProperties:
  '-state$':
    oneOf:
      - $ref: "#/$defs/qcom-sm6115-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-sm6115-tlmm-state"
        additionalProperties: false

'$defs':
  qcom-sm6115-tlmm-state:
    type: object
    description:
      Pinctrl node's client devices use subnodes for desired pin configuration.
      Client device subnodes use below standard properties.

    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]|10[0-9]|11[0-2])$"
            - enum: [ sdc1_rclk, sdc1_clk, sdc1_cmd, sdc1_data,
                      sdc2_clk, sdc2_cmd, sdc2_data, ufs_reset ]
        minItems: 1
        maxItems: 36

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

        enum: [ adsp_ext, agera_pll, atest, cam_mclk, cci_async, cci_i2c,
                cci_timer, cri_trng, dac_calib, dbg_out, ddr_bist, ddr_pxi0,
                ddr_pxi1, ddr_pxi2, ddr_pxi3, gcc_gp1, gcc_gp2, gcc_gp3, gpio,
                gp_pdm0, gp_pdm1, gp_pdm2, gsm0_tx, gsm1_tx, jitter_bist,
                mdp_vsync, mdp_vsync_out_0, mdp_vsync_out_1, mpm_pwr, mss_lte,
                m_voc, nav_gpio, pa_indicator, pbs, pbs_out, phase_flag,
                pll_bist, pll_bypassnl, pll_reset, prng_rosc, qdss_cti,
                qdss_gpio, qup0, qup1, qup2, qup3, qup4, qup5, sdc1_tb,
                sdc2_tb, sd_write, ssbi_wtr1, tgu, tsense_pwm, uim1_clk,
                uim1_data, uim1_present, uim1_reset, uim2_clk, uim2_data,
                uim2_present, uim2_reset, usb_phy, vfr_1, vsense_trigger,
                wlan1_adc0, elan1_adc1 ]

      drive-strength:
        enum: [2, 4, 6, 8, 10, 12, 14, 16]
        default: 2
        description:
          Selects the drive strength for the specified pins, in mA.

      bias-pull-down: true

      bias-pull-up: true

      bias-disable: true

      output-high: true

      output-low: true

    required:
      - pins

    allOf:
      - $ref: "qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state"
      - if:
          properties:
            pins:
              pattern: "^gpio([0-9]|[1-9][0-9]|10[0-9]|11[0-2])$"
        then:
          required:
            - function

    additionalProperties: false

allOf:
  - $ref: "pinctrl.yaml#"

required:
  - compatible
  - reg
  - reg-names
  - interrupts
  - interrupt-controller
  - '#interrupt-cells'
  - gpio-controller
  - '#gpio-cells'
  - gpio-ranges

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    tlmm: pinctrl@500000 {
        compatible = "qcom,sm6115-tlmm";
        reg = <0x500000 0x400000>,
              <0x900000 0x400000>,
              <0xd00000 0x400000>;
        reg-names = "west", "south", "east";
        interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_HIGH>;
        gpio-controller;
        #gpio-cells = <2>;
        interrupt-controller;
        #interrupt-cells = <2>;
        gpio-ranges = <&tlmm 0 0 114>;

        sdc2_on_state: sdc2-on-state {
            clk-pins {
                pins = "sdc2_clk";
                bias-disable;
                drive-strength = <16>;
            };

            cmd-pins {
                pins = "sdc2_cmd";
                bias-pull-up;
                drive-strength = <10>;
            };

            data-pins {
                pins = "sdc2_data";
                bias-pull-up;
                drive-strength = <10>;
            };

            sd-cd-pins {
                pins = "gpio88";
                function = "gpio";
                bias-pull-up;
                drive-strength = <2>;
            };
        };
    };