Documentation/devicetree/bindings/pinctrl/qcom,msm8976-pinctrl.yaml

# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
%YAML 1.2
---
$id: http://devicetree.org/schemas/pinctrl/qcom,msm8976-pinctrl.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#

title: Qualcomm MSM8976 TLMM pin controller

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

description:
  Top Level Mode Multiplexer pin controller in Qualcomm MSM8976 SoC.

properties:
  compatible:
    const: qcom,msm8976-pinctrl

  reg:
    maxItems: 1

  interrupts:
    maxItems: 1

  gpio-reserved-ranges:
    minItems: 1
    maxItems: 73

  gpio-line-names:
    maxItems: 145

patternProperties:
  "-state$":
    oneOf:
      - $ref: "#/$defs/qcom-msm8976-tlmm-state"
      - patternProperties:
          "-pins$":
            $ref: "#/$defs/qcom-msm8976-tlmm-state"
        additionalProperties: false

$defs:
  qcom-msm8976-tlmm-state:
    type: object
    description:
      Desired pin configuration for a device or its specific state (like sleep
      or active).
    $ref: qcom,tlmm-common.yaml#/$defs/qcom-tlmm-state
    unevaluatedProperties: false

    properties:
      pins:
        description:
          List of gpio pins affected by the properties specified in this state.
        items:
          oneOf:
            - pattern: "^gpio([0-9]|[1-9][0-9]|1[0-3][0-9]|14[0-4])$"
            - enum: [ qdsd_clk, qdsd_cmd, qdsd_data0, qdsd_data1, qdsd_data2,
                      qdsd_data3, sdc1_clk, sdc1_cmd, sdc1_data, sdc1_rclk,
                      sdc2_clk, sdc2_cmd, sdc2_data ]
        minItems: 1
        maxItems: 36

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

        enum: [ gpio, blsp_uart1, blsp_spi1, smb_int, blsp_i2c1, blsp_spi2,
                blsp_uart2, blsp_i2c2, gcc_gp1_clk_b, blsp_spi3,
                qdss_tracedata_b, blsp_i2c3, gcc_gp2_clk_b, gcc_gp3_clk_b,
                blsp_spi4, cap_int, blsp_i2c4, blsp_spi5, blsp_uart5,
                qdss_traceclk_a, m_voc, blsp_i2c5, qdss_tracectl_a,
                qdss_tracedata_a, blsp_spi6, blsp_uart6, qdss_tracectl_b,
                blsp_i2c6, qdss_traceclk_b, mdp_vsync, pri_mi2s_mclk_a,
                sec_mi2s_mclk_a, cam_mclk, cci0_i2c, cci1_i2c, blsp1_spi,
                blsp3_spi, gcc_gp1_clk_a, gcc_gp2_clk_a, gcc_gp3_clk_a,
                uim_batt, sd_write, uim1_data, uim1_clk, uim1_reset,
                uim1_present, uim2_data, uim2_clk, uim2_reset, uim2_present,
                ts_xvdd, mipi_dsi0, us_euro, ts_resout, ts_sample,
                sec_mi2s_mclk_b, pri_mi2s, codec_reset, cdc_pdm0, us_emitter,
                pri_mi2s_mclk_b, pri_mi2s_mclk_c, lpass_slimbus,
                lpass_slimbus0, lpass_slimbus1, codec_int1, codec_int2,
                wcss_bt, sdc3, wcss_wlan2, wcss_wlan1, wcss_wlan0, wcss_wlan,
                wcss_fm, key_volp, key_snapshot, key_focus, key_home, pwr_down,
                dmic0_clk, hdmi_int, dmic0_data, wsa_vi, wsa_en, blsp_spi8,
                wsa_irq, blsp_i2c8, pa_indicator, modem_tsync, ssbi_wtr1,
                gsm1_tx, gsm0_tx, sdcard_det, sec_mi2s, ss_switch ]

    required:
      - pins

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

required:
  - compatible
  - reg

unevaluatedProperties: false

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

    tlmm: pinctrl@1000000 {
        compatible = "qcom,msm8976-pinctrl";
        reg = <0x1000000 0x300000>;
        #gpio-cells = <2>;
        gpio-controller;
        gpio-ranges = <&tlmm 0 0 145>;
        interrupts = <GIC_SPI 208 IRQ_TYPE_LEVEL_HIGH>;
        interrupt-controller;
        #interrupt-cells = <2>;

        blsp1-uart2-active-state {
            pins = "gpio4", "gpio5", "gpio6", "gpio7";
            function = "blsp_uart2";
            drive-strength = <2>;
            bias-disable;
        };
    };