linux-zen-server/Documentation/devicetree/bindings/pinctrl/qcom,msm8994-pinctrl.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,msm8994-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm MSM8994 TLMM pin controller

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

description:
  Top Level Mode Multiplexer pin controller in Qualcomm MSM8994 SoC.

properties:
  compatible:
    enum:
      - qcom,msm8992-pinctrl
      - qcom,msm8994-pinctrl

  reg:
    maxItems: 1

  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: 73

  gpio-line-names:
    maxItems: 146

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-msm8994-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-msm8994-tlmm-state"
        additionalProperties: false

$defs:
  qcom-msm8994-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[0-3][0-9]|14[0-5])$"
            - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc1_rclk, sdc2_clk,
                      sdc2_cmd, sdc2_data, sdc3_clk, sdc3_cmd, sdc3_data ]
        minItems: 1
        maxItems: 36

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

        enum: [ gpio, audio_ref_clk, blsp_i2c1, blsp_i2c2, blsp_i2c3,
                blsp_i2c4, blsp_i2c5, blsp_i2c6, blsp_i2c7, blsp_i2c8,
                blsp_i2c9, blsp_i2c10, blsp_i2c11, blsp_i2c12, blsp_spi1,
                blsp_spi1_cs1, blsp_spi1_cs2, blsp_spi1_cs3, blsp_spi2,
                blsp_spi2_cs1, blsp_spi2_cs2, blsp_spi2_cs3, blsp_spi3,
                blsp_spi4, blsp_spi5, blsp_spi6, blsp_spi7, blsp_spi8,
                blsp_spi9, blsp_spi10, blsp_spi10_cs1, blsp_spi10_cs2,
                blsp_spi10_cs3, blsp_spi11, blsp_spi12, blsp_uart1, blsp_uart2,
                blsp_uart3, blsp_uart4, blsp_uart5, blsp_uart6, blsp_uart7,
                blsp_uart8, blsp_uart9, blsp_uart10, blsp_uart11, blsp_uart12,
                blsp_uim1, blsp_uim2, blsp_uim3, blsp_uim4, blsp_uim5,
                blsp_uim6, blsp_uim7, blsp_uim8, blsp_uim9, blsp_uim10,
                blsp_uim11, blsp_uim12, blsp11_i2c_scl_b, blsp11_i2c_sda_b,
                blsp11_uart_rx_b, blsp11_uart_tx_b, cam_mclk0, cam_mclk1,
                cam_mclk2, cam_mclk3, cci_async_in0, cci_async_in1,
                cci_async_in2, cci_i2c0, cci_i2c1, cci_timer0, cci_timer1,
                cci_timer2, cci_timer3, cci_timer4, gcc_gp1_clk_a,
                gcc_gp1_clk_b, gcc_gp2_clk_a, gcc_gp2_clk_b, gcc_gp3_clk_a,
                gcc_gp3_clk_b, gp_mn, gp_pdm0, gp_pdm1, gp_pdm2, gp0_clk,
                gp1_clk, gps_tx, gsm_tx, hdmi_cec, hdmi_ddc, hdmi_hpd,
                hdmi_rcv, mdp_vsync, mss_lte, nav_pps, nav_tsync,
                qdss_cti_trig_in_a, qdss_cti_trig_in_b, qdss_cti_trig_in_c,
                qdss_cti_trig_in_d, qdss_cti_trig_out_a, qdss_cti_trig_out_b,
                qdss_cti_trig_out_c, qdss_cti_trig_out_d, qdss_traceclk_a,
                qdss_traceclk_b, qdss_tracectl_a, qdss_tracectl_b,
                qdss_tracedata_a, qdss_tracedata_b, qua_mi2s, pci_e0, pci_e1,
                pri_mi2s, sdc4, sec_mi2s, slimbus, spkr_i2s, ter_mi2s, tsif1,
                tsif2, uim_batt_alarm, uim1, uim2, uim3, uim4 ]

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

    required:
      - pins

    additionalProperties: false

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

required:
  - compatible
  - reg

additionalProperties: false

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

    tlmm: pinctrl@fd510000 {
        compatible = "qcom,msm8994-pinctrl";
        reg = <0xfd510000 0x4000>;
        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
        gpio-controller;
        gpio-ranges = <&tlmm 0 0 146>;
        #gpio-cells = <2>;
        interrupt-controller;
        #interrupt-cells = <2>;

        blsp1-uart2-default-state {
            function = "blsp_uart2";
            pins = "gpio4", "gpio5";
            drive-strength = <16>;
            bias-disable;
        };

        blsp1-spi1-default-state {
            default-pins {
                pins = "gpio0", "gpio1", "gpio3";
                function = "blsp_spi1";
                drive-strength = <10>;
                bias-pull-down;
            };

            cs-pins {
                pins = "gpio8";
                function = "gpio";
                drive-strength = <2>;
                bias-disable;
            };
        };
    };