linux-zen-desktop/Documentation/devicetree/bindings/pinctrl/qcom,sc7180-pinctrl.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,sc7180-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SC7180 TLMM pin controller

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

description:
  Top Level Mode Multiplexer pin controller in Qualcomm SC7180 SoC.

properties:
  compatible:
    const: qcom,sc7180-pinctrl

  reg:
    maxItems: 3

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

  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: 60

  gpio-line-names:
    maxItems: 119

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-sc7180-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-sc7180-tlmm-state"
        additionalProperties: false

$defs:
  qcom-sc7180-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:
          oneOf:
            - pattern: "^gpio([0-9]|[1-9][0-9]|10[0-9]|11[0-8])$"
            - 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, aoss_cti, atest_char, atest_char0,
                atest_char1, atest_char2, atest_char3, atest_tsens,
                atest_tsens2, atest_usb1, atest_usb10, atest_usb11,
                atest_usb12, atest_usb13, atest_usb2, atest_usb20, atest_usb21,
                atest_usb22, atest_usb23, audio_ref, btfm_slimbus, cam_mclk,
                cci_async, cci_i2c, cci_timer0, cci_timer1, cci_timer2,
                cci_timer3, cci_timer4, cri_trng, dbg_out, ddr_bist, ddr_pxi0,
                ddr_pxi1, ddr_pxi2, ddr_pxi3, dp_hot, edp_lcd, gcc_gp1,
                gcc_gp2, gcc_gp3, gpio, gp_pdm0, gp_pdm1, gp_pdm2, gps_tx,
                jitter_bist, ldo_en, ldo_update, lpass_ext, mdp_vsync,
                mdp_vsync0, mdp_vsync1, mdp_vsync2, mdp_vsync3, mi2s_0, mi2s_1,
                mi2s_2, mss_lte, m_voc, pa_indicator, phase_flag, PLL_BIST,
                pll_bypassnl, pll_reset, prng_rosc, qdss, qdss_cti,
                qlink_enable, qlink_request, qspi_clk, qspi_cs, qspi_data,
                qup00, qup01, qup02_i2c, qup02_uart, qup03, qup04_i2c,
                qup04_uart, qup05, qup10, qup11_i2c, qup11_uart, qup12,
                qup13_i2c, qup13_uart, qup14, qup15, sdc1_tb, sdc2_tb,
                sd_write, sp_cmu, tgu_ch0, tgu_ch1, tgu_ch2, tgu_ch3,
                tsense_pwm1, tsense_pwm2, uim1, uim2, uim_batt, usb_phy, vfr_1,
                _V_GPIO, _V_PPS_IN, _V_PPS_OUT, vsense_trigger, wlan1_adc0,
                wlan1_adc1, wlan2_adc0, wlan2_adc1 ]

    required:
      - pins

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

required:
  - compatible
  - reg
  - reg-names

additionalProperties: false

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

    tlmm: pinctrl@3500000 {
        compatible = "qcom,sc7180-pinctrl";
        reg = <0x03500000 0x300000>,
              <0x03900000 0x300000>,
              <0x03d00000 0x300000>;
        reg-names = "west", "north", "south";
        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
        gpio-controller;
        #gpio-cells = <2>;
        interrupt-controller;
        #interrupt-cells = <2>;
        gpio-ranges = <&tlmm 0 0 120>;
        wakeup-parent = <&pdc>;

        dp_hot_plug_det: dp-hot-plug-det-state {
            pins = "gpio117";
            function = "dp_hot";
        };

        qup_spi11_cs_gpio: qup-spi11-cs-gpio-state {
            spi-pins {
                pins = "gpio53", "gpio54", "gpio55";
                function = "qup15";
            };

            cs-pins {
                pins = "gpio56";
                function = "gpio";
            };
        };
    };