linux/Documentation/devicetree/bindings/pinctrl/qcom,sm6375-tlmm.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,sm6375-tlmm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. SM6375 TLMM block

maintainers:
  - Konrad Dybcio <konrad.dybcio@somainline.org>

description:
  Top Level Mode Multiplexer pin controller in Qualcomm SM6375 SoC.

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

properties:
  compatible:
    const: qcom,sm6375-tlmm

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  interrupt-controller: true
  "#interrupt-cells": true
  gpio-controller: true
  gpio-reserved-ranges: true
  "#gpio-cells": true
  gpio-ranges: true
  wakeup-parent: true

required:
  - compatible
  - reg

additionalProperties: false

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-sm6375-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-sm6375-tlmm-state"
        additionalProperties: false

$defs:
  qcom-sm6375-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

    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]|1[0-4][0-9]|15[0-5])$"
            - enum: [ ufs_reset, sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk,
                      sdc2_cmd, sdc2_data ]
        minItems: 1
        maxItems: 36

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

        enum: [ adsp_ext, agera_pll, 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, gp_pdm0, gp_pdm1, gp_pdm2, gpio,
                gps_tx, ibi_i3c, jitter_bist, ldo_en, ldo_update, lpass_ext,
                m_voc, mclk, mdp_vsync, mdp_vsync0, mdp_vsync1, mdp_vsync2,
                mdp_vsync3, mi2s_0, mi2s_1, mi2s_2, mss_lte, nav_gpio,
                nav_pps, pa_indicator, phase_flag0, phase_flag1, phase_flag10,
                phase_flag11, phase_flag12, phase_flag13, phase_flag14,
                phase_flag15, phase_flag16, phase_flag17, phase_flag18,
                phase_flag19, phase_flag2, phase_flag20, phase_flag21,
                phase_flag22, phase_flag23, phase_flag24, phase_flag25,
                phase_flag26, phase_flag27, phase_flag28, phase_flag29,
                phase_flag3, phase_flag30, phase_flag31, phase_flag4,
                phase_flag5, phase_flag6, phase_flag7, phase_flag8,
                phase_flag9, pll_bist, pll_bypassnl, pll_clk, pll_reset,
                prng_rosc0, prng_rosc1, prng_rosc2, prng_rosc3, qdss_cti,
                qdss_gpio, qdss_gpio0, qdss_gpio1, qdss_gpio10, qdss_gpio11,
                qdss_gpio12, qdss_gpio13, qdss_gpio14, qdss_gpio15,
                qdss_gpio2, qdss_gpio3, qdss_gpio4, qdss_gpio5, qdss_gpio6,
                qdss_gpio7, qdss_gpio8, qdss_gpio9, qlink0_enable,
                qlink0_request, qlink0_wmss, qlink1_enable, qlink1_request,
                qlink1_wmss, qup00, qup01, qup02, qup10, qup11_f1, qup11_f2,
                qup12, qup13_f1, qup13_f2, qup14, sd_write, sdc1_tb, sdc2_tb,
                sp_cmu, tgu_ch0, tgu_ch1, tgu_ch2, tgu_ch3, tsense_pwm1,
                tsense_pwm2, uim1_clk, uim1_data, uim1_present, uim1_reset,
                uim2_clk, uim2_data, uim2_present, uim2_reset, usb2phy_ac,
                usb_phy, vfr_1, vsense_trigger, wlan1_adc0, wlan1_adc1,
                wlan2_adc0, wlan2_adc1 ]


      bias-disable: true
      bias-pull-down: true
      bias-pull-up: true
      drive-strength: true
      input-enable: true
      output-high: true
      output-low: true

    required:
      - pins

    additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    pinctrl@500000 {
        compatible = "qcom,sm6375-tlmm";
        reg = <0x00500000 0x800000>;
        interrupts = <GIC_SPI 227 IRQ_TYPE_LEVEL_HIGH>;
        gpio-controller;
        #gpio-cells = <2>;
        interrupt-controller;
        #interrupt-cells = <2>;
        gpio-ranges = <&tlmm 0 0 157>; /* GPIOs + ufs_reset */

        gpio-wo-subnode-state {
            pins = "gpio1";
            function = "gpio";
        };

        uart-w-subnodes-state {
            rx-pins {
                pins = "gpio18";
                function = "qup13_f2";
                bias-pull-up;
            };

            tx-pins {
                pins = "gpio19";
                function = "qup13_f2";
                bias-disable;
            };
        };
    };
...