Documentation/devicetree/bindings/pinctrl/qcom,ipq9574-tlmm.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,ipq9574-tlmm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. IPQ9574 TLMM block

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

description:
  Top Level Mode Multiplexer pin controller in Qualcomm IPQ9574 SoC.

properties:
  compatible:
    const: qcom,ipq9574-tlmm

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  gpio-reserved-ranges:
    minItems: 1
    maxItems: 33

  gpio-line-names:
    maxItems: 65

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-ipq9574-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-ipq9574-tlmm-state"
        additionalProperties: false

$defs:
  qcom-ipq9574-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]|[1-5][0-9]|6[0-4])$"
        minItems: 1
        maxItems: 8

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

        enum: [ atest_char, atest_char0, atest_char1, atest_char2, atest_char3,
                audio_pdm0, audio_pdm1, audio_pri, audio_sec, blsp0_spi, blsp0_uart,
                blsp1_i2c, blsp1_spi, blsp1_uart, blsp2_i2c, blsp2_spi,
                blsp2_uart, blsp3_i2c, blsp3_spi, blsp3_uart, blsp4_i2c,
                blsp4_spi, blsp4_uart, blsp5_i2c, blsp5_uart, cri_trng0,
                cri_trng1, cri_trng2, cri_trng3, cxc0, cxc1, dbg_out, dwc_ddrphy,
                gcc_plltest, gcc_tlmm, gpio, mac, mdc, mdio, pcie0_clk, pcie0_wake,
                pcie1_clk, pcie1_wake, pcie2_clk, pcie2_wake, pcie3_clk, pcie3_wake,
                prng_rosc0, prng_rosc1, prng_rosc2, prng_rosc3, pta, 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_traceclk_b, qdss_tracectl_a, qdss_tracectl_b, qdss_tracedata_a,
                qdss_tracedata_b, qspi_clk, qspi_cs, qspi_data,
                rx0, rx1, sdc_clk, sdc_cmd, sdc_data, sdc_rclk, tsens_max,
                wci20, wci21, wsa_swrm ]

    required:
      - pins

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

required:
  - compatible
  - reg

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    tlmm: pinctrl@1000000 {
        compatible = "qcom,ipq9574-tlmm";
        reg = <0x01000000 0x300000>;
        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
        gpio-controller;
        #gpio-cells = <2>;
        interrupt-controller;
        #interrupt-cells = <2>;
        gpio-ranges = <&tlmm 0 0 65>;

        uart2-state {
            pins = "gpio34", "gpio35";
            function = "blsp2_uart";
            drive-strength = <8>;
            bias-pull-down;
        };
    };