linux-zen-desktop/Documentation/devicetree/bindings/pinctrl/qcom,sm8550-tlmm.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,sm8550-tlmm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. SM8550 TLMM block

maintainers:
  - Abel Vesa <abel.vesa@linaro.org>

description:
  Top Level Mode Multiplexer pin controller in Qualcomm SM8550 SoC.

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

properties:
  compatible:
    const: qcom,sm8550-tlmm

  reg:
    maxItems: 1

  interrupts: true
  interrupt-controller: true
  "#interrupt-cells": true
  gpio-controller: true

  gpio-reserved-ranges:
    minItems: 1
    maxItems: 105

  gpio-line-names:
    maxItems: 210

  "#gpio-cells": true
  gpio-ranges: true
  wakeup-parent: true

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-sm8550-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-sm8550-tlmm-state"
        additionalProperties: false

$defs:
  qcom-sm8550-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[0-9][0-9]|20[0-9])$"
            - enum: [ ufs_reset, sdc2_clk, sdc2_cmd, sdc2_data ]
        minItems: 1
        maxItems: 36

      function:
        description:
          Specify the alternative function to be configured for the specified
          pins.
        enum: [ aon_cci, aoss_cti, atest_char, atest_usb,
                audio_ext_mclk0, audio_ext_mclk1, audio_ref_clk,
                cam_aon_mclk4, cam_mclk, cci_async_in, cci_i2c_scl,
                cci_i2c_sda, cci_timer, cmu_rng, coex_uart1_rx,
                coex_uart1_tx, coex_uart2_rx, coex_uart2_tx,
                cri_trng, dbg_out_clk, ddr_bist_complete,
                ddr_bist_fail, ddr_bist_start, ddr_bist_stop,
                ddr_pxi0, ddr_pxi1, ddr_pxi2, ddr_pxi3, dp_hot,
                gcc_gp1, gcc_gp2, gcc_gp3, gpio, i2chub0_se0,
                i2chub0_se1, i2chub0_se2, i2chub0_se3, i2chub0_se4,
                i2chub0_se5, i2chub0_se6, i2chub0_se7, i2chub0_se8,
                i2chub0_se9, i2s0_data0, i2s0_data1, i2s0_sck,
                i2s0_ws, i2s1_data0, i2s1_data1, i2s1_sck, i2s1_ws,
                ibi_i3c, jitter_bist, mdp_vsync, mdp_vsync0_out,
                mdp_vsync1_out, mdp_vsync2_out, mdp_vsync3_out,
                mdp_vsync_e, nav_gpio0, nav_gpio1, nav_gpio2,
                pcie0_clk_req_n, pcie1_clk_req_n, phase_flag,
                pll_bist_sync, pll_clk_aux, prng_rosc0, prng_rosc1,
                prng_rosc2, prng_rosc3, qdss_cti, qdss_gpio,
                qlink0_enable, qlink0_request, qlink0_wmss,
                qlink1_enable, qlink1_request, qlink1_wmss,
                qlink2_enable, qlink2_request, qlink2_wmss,
                qspi0, qspi1, qspi2, qspi3, qspi_clk, qspi_cs,
                qup1_se0, qup1_se1, qup1_se2, qup1_se3, qup1_se4,
                qup1_se5, qup1_se6, qup1_se7, qup2_se0,
                qup2_se0_l0_mira, qup2_se0_l0_mirb, qup2_se0_l1_mira,
                qup2_se0_l1_mirb, qup2_se0_l2_mira, qup2_se0_l2_mirb,
                qup2_se0_l3_mira, qup2_se0_l3_mirb, qup2_se1,
                qup2_se2, qup2_se3, qup2_se4, qup2_se5, qup2_se6,
                qup2_se7, sd_write_protect, sdc40, sdc41, sdc42,
                sdc43, sdc4_clk, sdc4_cmd, tb_trig_sdc2, tb_trig_sdc4,
                tgu_ch0_trigout, tgu_ch1_trigout, tgu_ch2_trigout,
                tgu_ch3_trigout, tmess_prng0, tmess_prng1, tmess_prng2,
                tmess_prng3, tsense_pwm1, tsense_pwm2, tsense_pwm3,
                uim0_clk, uim0_data, uim0_present, uim0_reset,
                uim1_clk, uim1_data, uim1_present, uim1_reset,
                usb1_hs, usb_phy, vfr_0, vfr_1, vsense_trigger_mirnat ]

      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

required:
  - compatible
  - reg

additionalProperties: false

examples:
  - |
    #include <dt-bindings/interrupt-controller/arm-gic.h>
    tlmm: pinctrl@f100000 {
        compatible = "qcom,sm8550-tlmm";
        reg = <0x0f100000 0x300000>;
        gpio-controller;
        #gpio-cells = <2>;
        gpio-ranges = <&tlmm 0 0 211>;
        interrupt-controller;
        #interrupt-cells = <2>;
        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;

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

        uart-w-state {
            rx-pins {
                pins = "gpio26";
                function = "qup2_se7";
                bias-pull-up;
            };

            tx-pins {
                pins = "gpio27";
                function = "qup2_se7";
                bias-disable;
            };
        };
    };
...