linux-zen-server/Documentation/devicetree/bindings/pinctrl/qcom,sdm845-pinctrl.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,sdm845-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm SDM845 TLMM pin controller

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

description:
  Top Level Mode Multiplexer pin controller in Qualcomm SDM845 SoC.

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

properties:
  compatible:
    const: qcom,sdm845-pinctrl

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

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

  gpio-reserved-ranges:
    minItems: 1
    maxItems: 75

  gpio-line-names:
    maxItems: 150

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

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-sdm845-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-sdm845-tlmm-state"
        additionalProperties: false

  "-hog(-[0-9]+)?$":
    required:
      - gpio-hog

$defs:
  qcom-sdm845-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])$"
            - 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: [ adsp_ext, agera_pll, atest_char, 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, cri_trng0, cri_trng1, dbg_out, ddr_bist, ddr_pxi0,
                ddr_pxi1, ddr_pxi2, ddr_pxi3, edp_hot, edp_lcd, gcc_gp1,
                gcc_gp2, gcc_gp3, gpio, jitter_bist, ldo_en, ldo_update,
                lpass_slimbus, mdp_vsync, mdp_vsync0, mdp_vsync1, mdp_vsync2,
                mdp_vsync3, mss_lte, m_voc, nav_pps, pa_indicator, pci_e0,
                pci_e1, phase_flag, pll_bist, pll_bypassnl, pll_reset,
                pri_mi2s, pri_mi2s_ws, prng_rosc, qdss, qdss_cti, qlink_enable,
                qlink_request, qspi_clk, qspi_cs, qspi_data, qua_mi2s, qup0,
                qup1, qup10, qup11, qup12, qup13, qup14, qup15, qup2, qup3,
                qup4, qup5, qup6, qup7, qup8, qup9, qup_l4, qup_l5, qup_l6,
                sdc4_clk, sdc4_cmd, sdc4_data, sd_write, sec_mi2s, sp_cmu,
                spkr_i2s, ter_mi2s, tgu_ch0, tgu_ch1, tgu_ch2, tgu_ch3,
                tsense_pwm1, tsense_pwm2, tsif1_clk, tsif1_data, tsif1_en,
                tsif1_error, tsif1_sync, tsif2_clk, tsif2_data, tsif2_en,
                tsif2_error, tsif2_sync, uim1_clk, uim1_data, uim1_present,
                uim1_reset, uim2_clk, uim2_data, uim2_present, uim2_reset,
                uim_batt, 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

required:
  - compatible
  - reg

additionalProperties: false

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

    pinctrl@3400000 {
        compatible = "qcom,sdm845-pinctrl";
        reg = <0x03400000 0xc00000>;
        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
        gpio-controller;
        #gpio-cells = <2>;
        interrupt-controller;
        #interrupt-cells = <2>;
        gpio-ranges = <&tlmm 0 0 151>;
        wakeup-parent = <&pdc_intc>;

        ap-suspend-l-hog {
            gpio-hog;
            gpios = <126 GPIO_ACTIVE_LOW>;
            output-low;
        };

        cci0-default-state {
            pins = "gpio17", "gpio18";
            function = "cci_i2c";

            bias-pull-up;
            drive-strength = <2>;
        };

        cam0-default-state {
            rst-pins {
                pins = "gpio9";
                function = "gpio";

                drive-strength = <16>;
                bias-disable;
            };

            mclk0-pins {
                pins = "gpio13";
                function = "cam_mclk";

                drive-strength = <16>;
                bias-disable;
            };
        };
    };