linux/Documentation/devicetree/bindings/pinctrl/qcom,ipq5018-tlmm.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,ipq5018-tlmm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm IPQ5018 TLMM pin controller

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

description:
  Top Level Mode Multiplexer pin controller in Qualcomm IPQ5018 SoC.

properties:
  compatible:
    const: qcom,ipq5018-tlmm

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  gpio-reserved-ranges:
    minItems: 1
    maxItems: 24

  gpio-line-names:
    maxItems: 47

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-ipq5018-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-ipq5018-tlmm-state"
        additionalProperties: false

$defs:
  qcom-ipq5018-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]|[1-3][0-9]|4[0-6])$"
        minItems: 1
        maxItems: 8

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

        enum: [ atest_char, audio_pdm0, audio_pdm1, audio_rxbclk, audio_rxd,
                audio_rxfsync, audio_rxmclk, audio_txbclk, audio_txd,
                audio_txfsync, audio_txmclk, blsp0_i2c, blsp0_spi, blsp0_uart0,
                blsp0_uart1, blsp1_i2c0, blsp1_i2c1, blsp1_spi0, blsp1_spi1,
                blsp1_uart0, blsp1_uart1, blsp1_uart2, blsp2_i2c0, blsp2_i2c1,
                blsp2_spi, blsp2_spi0, blsp2_spi1, btss, burn0, burn1, cri_trng,
                cri_trng0, cri_trng1, cxc_clk, cxc_data, dbg_out, eud_gpio,
                gcc_plltest, gcc_tlmm, gpio, led0, led2, mac0, mac1, mdc, mdio,
                pcie0_clk, pcie0_wake, pcie1_clk, pcie1_wake, pll_test,
                prng_rosc, pwm0, pwm1, pwm2, pwm3, 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, reset_out, sdc1_clk, sdc1_cmd, sdc1_data, wci_txd,
                wci_rxd, wsa_swrm, wsi_clk3, wsi_data3, wsis_reset, xfem ]

    required:
      - pins

required:
  - compatible
  - reg

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

unevaluatedProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    tlmm: pinctrl@1000000 {
        compatible = "qcom,ipq5018-tlmm";
        reg = <0x01000000 0x300000>;
        gpio-controller;
        #gpio-cells = <2>;
        gpio-ranges = <&tlmm 0 0 47>;
        interrupt-controller;
        #interrupt-cells = <2>;
        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;

        uart-w-state {
            rx-pins {
                pins = "gpio33";
                function = "blsp1_uart1";
                bias-pull-down;
            };

            tx-pins {
                pins = "gpio34";
                function = "blsp1_uart1";
                bias-pull-down;
            };
        };
    };
...