xref: /linux/Documentation/devicetree/bindings/pinctrl/qcom,ipq9650-tlmm.yaml (revision 53c7db5c1916afcecc8683ae01ff8415c708a883)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,ipq9650-tlmm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm IPQ9650 TLMM pin controller

maintainers:
  - Bjorn Andersson <andersson@kernel.org>
  - Kathiravan Thirumoorthy <kathiravan.thirumoorthy@oss.qualcomm.com>

description:
  Top Level Mode Multiplexer pin controller in Qualcomm IPQ9650 SoC.

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

properties:
  compatible:
    const: qcom,ipq9650-tlmm

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  gpio-reserved-ranges:
    minItems: 1
    maxItems: 27

  gpio-line-names:
    maxItems: 54

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-ipq9650-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-ipq9650-tlmm-state"
        additionalProperties: false

$defs:
  qcom-ipq9650-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
    unevaluatedProperties: false

    properties:
      pins:
        description:
          List of gpio pins affected by the properties specified in this
          subnode.
        items:
          pattern: "^gpio([0-9]|[1-4][0-9]|5[0-3])$"
        minItems: 1
        maxItems: 36

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

        enum: [ atest_char_start, atest_char_status0, atest_char_status1,
                atest_char_status2, atest_char_status3, atest_tic_en,
                audio_pri_mclk_in0, audio_pri_mclk_out0, audio_pri_mclk_in1,
                audio_pri_mclk_out1, audio_pri, audio_sec, audio_sec_mclk_in0,
                audio_sec_mclk_out0, audio_sec_mclk_in1, audio_sec_mclk_out1,
                core_voltage_0, core_voltage_1, core_voltage_2, core_voltage_3,
                core_voltage_4, cri_rng0, cri_rng1, cri_rng2, dbg_out_clk,
                gcc_plltest_bypassnl, gcc_plltest_resetn, gcc_tlmm, gpio,
                mdc_mst, mdc_slv0, mdc_slv1, mdio_mst, mdio_slv, mdio_slv0,
                mdio_slv1, pcie0_clk_req_n, pcie0_wake, pcie1_clk_req_n,
                pcie1_wake, pcie2_clk_req_n, pcie2_wake, pcie3_clk_req_n,
                pcie3_wake, pcie4_clk_req_n, pcie4_wake, pll_bist_sync,
                pll_test, pwm, qdss_cti_trig_in_a0, qdss_cti_trig_in_a1,
                qdss_cti_trig_in_b0, qdss_cti_trig_in_b1, qdss_cti_trig_out_a0,
                qdss_cti_trig_out_a1, qdss_cti_trig_out_b0, qdss_cti_trig_out_b1,
                qdss_traceclk_a, qdss_tracectl_a, qdss_tracedata_a, qspi_data,
                qspi_clk, qspi_cs_n, qup_se0, qup_se1, qup_se2, qup_se3,
                qup_se4, qup_se5, qup_se6, qup_se7, resout, rx_los0, rx_los1,
                rx_los2, sdc_clk, sdc_cmd, sdc_data, tsens_max, tsn ]

    required:
      - pins

required:
  - compatible
  - reg

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>

    tlmm: pinctrl@1000000 {
        compatible = "qcom,ipq9650-tlmm";
        reg = <0x01000000 0x300000>;
        gpio-controller;
        #gpio-cells = <2>;
        gpio-ranges = <&tlmm 0 0 54>;
        interrupts = <GIC_SPI 84 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-controller;
        #interrupt-cells = <2>;

        qup-uart1-default-state {
            pins = "gpio43", "gpio44";
            function = "qup_se6";
            drive-strength = <8>;
            bias-pull-down;
        };
    };