xref: /openbmc/linux/Documentation/devicetree/bindings/pinctrl/qcom,msm8909-tlmm.yaml (revision 7612c2f1)

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,msm8909-tlmm.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm Technologies, Inc. MSM8909 TLMM block

maintainers:
  - Stephan Gerhold <stephan@gerhold.net>

description: |
  Top Level Mode Multiplexer pin controller in Qualcomm MSM8909 SoC.

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

properties:
  compatible:
    const: qcom,msm8909-tlmm

  reg:
    maxItems: 1

  interrupts: true
  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-msm8909-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-msm8909-tlmm-state"
        additionalProperties: false

$defs:
  qcom-msm8909-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]|10[0-9]|11[0-7])$"
            - enum: [ sdc1_clk, sdc1_cmd, sdc1_data, sdc2_clk, sdc2_cmd,
                      sdc2_data, qdsd_clk, qdsd_cmd, qdsd_data0, qdsd_data1,
                      qdsd_data2, qdsd_data3 ]
        minItems: 1
        maxItems: 16

      function:
        description:
          Specify the alternative function to be configured for the specified
          pins.
        enum: [ adsp_ext, atest_bbrx0, atest_bbrx1, atest_char, atest_char0,
                atest_char1, atest_char2, atest_char3, atest_combodac,
                atest_gpsadc0, atest_gpsadc1, atest_wlan0, atest_wlan1,
                bimc_dte0, bimc_dte1, blsp_i2c1, blsp_i2c2, blsp_i2c3,
                blsp_i2c4, blsp_i2c5, blsp_i2c6, 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_spi3_cs1,
                blsp_spi3_cs2, blsp_spi3_cs3, blsp_spi4, blsp_spi5, blsp_spi6,
                blsp_uart1, blsp_uart2, blsp_uim1, blsp_uim2, cam_mclk,
                cci_async, cci_timer0, cci_timer1, cci_timer2, cdc_pdm0,
                dbg_out, dmic0_clk, dmic0_data, ebi0_wrcdc, ebi2_a, ebi2_lcd,
                ext_lpass, gcc_gp1_clk_a, gcc_gp1_clk_b, gcc_gp2_clk_a,
                gcc_gp2_clk_b, gcc_gp3_clk_a, gcc_gp3_clk_b, gcc_plltest, gpio,
                gsm0_tx, ldo_en, ldo_update, m_voc, mdp_vsync, modem_tsync,
                nav_pps, nav_tsync, pa_indicator, pbs0, pbs1, pbs2,
                pri_mi2s_data0_a, pri_mi2s_data0_b, pri_mi2s_data1_a,
                pri_mi2s_data1_b, pri_mi2s_mclk_a, pri_mi2s_mclk_b,
                pri_mi2s_sck_a, pri_mi2s_sck_b, pri_mi2s_ws_a, pri_mi2s_ws_b,
                prng_rosc, pwr_crypto_enabled_a, pwr_crypto_enabled_b,
                pwr_modem_enabled_a, pwr_modem_enabled_b, pwr_nav_enabled_a,
                pwr_nav_enabled_b, qdss_cti_trig_in_a0, qdss_cti_trig_in_a1,
                qdss_cti_trig_in_b0, qdss_cti_trig_in_b1, qdss_cti_trig_out_a0,
                qdss_cti_trig_out_a1, qdss_cti_trig_out_b0,
                qdss_cti_trig_out_b1, qdss_traceclk_a, qdss_tracectl_a,
                qdss_tracedata_a, qdss_tracedata_b, sd_write, sec_mi2s,
                smb_int, ssbi0, ssbi1, uim1_clk, uim1_data, uim1_present,
                uim1_reset, uim2_clk, uim2_data, uim2_present, uim2_reset,
                uim3_clk, uim3_data, uim3_present, uim3_reset, uim_batt,
                wcss_bt, wcss_fm, wcss_wlan ]

      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@1000000 {
        compatible = "qcom,msm8909-tlmm";
        reg = <0x1000000 0x300000>;
        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
        gpio-controller;
        #gpio-cells = <2>;
        gpio-ranges = <&tlmm 0 0 117>;
        interrupt-controller;
        #interrupt-cells = <2>;

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

        uart-w-subnodes-state {
            rx-pins {
                pins = "gpio4";
                function = "blsp_uart1";
                bias-pull-up;
            };

            tx-pins {
                pins = "gpio5";
                function = "blsp_uart1";
                bias-disable;
            };
        };
    };
...