qcom,lpass-lpi-pinctrl.yaml

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    1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
    2 %YAML 1.2
    3 ---
    4 $id: http://devicetree.org/schemas/pinctrl/qcom,lpass-lpi-pinctrl.yaml#
    5 $schema: http://devicetree.org/meta-schemas/core.yaml#
    6 
    7 title: Qualcomm Technologies, Inc. Low Power Audio SubSystem (LPASS)
    8   Low Power Island (LPI) TLMM block
    9 
   10 maintainers:
   11   - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
   12 
   13 description: |
   14   This binding describes the Top Level Mode Multiplexer block found in the
   15   LPASS LPI IP on most Qualcomm SoCs
   16 
   17 properties:
   18   compatible:
   19     const: qcom,sm8250-lpass-lpi-pinctrl
   20 
   21   reg:
   22     minItems: 2
   23     maxItems: 2
   24 
   25   clocks:
   26     items:
   27       - description: LPASS Core voting clock
   28       - description: LPASS Audio voting clock
   29 
   30   clock-names:
   31     items:
   32       - const: core
   33       - const: audio
   34 
   35   gpio-controller: true
   36 
   37   '#gpio-cells':
   38     description: Specifying the pin number and flags, as defined in
   39       include/dt-bindings/gpio/gpio.h
   40     const: 2
   41 
   42   gpio-ranges:
   43     maxItems: 1
   44 
   45 #PIN CONFIGURATION NODES
   46 patternProperties:
   47   '-pins$':
   48     type: object
   49     description:
   50       Pinctrl node's client devices use subnodes for desired pin configuration.
   51       Client device subnodes use below standard properties.
   52     $ref: "/schemas/pinctrl/pincfg-node.yaml"
   53 
   54     properties:
   55       pins:
   56         description:
   57           List of gpio pins affected by the properties specified in this
   58           subnode.
   59         items:
   60           oneOf:
   61             - pattern: "^gpio([0-9]|[1-9][0-9])$"
   62         minItems: 1
   63         maxItems: 14
   64 
   65       function:
   66         enum: [ gpio, swr_tx_clk, qua_mi2s_sclk, swr_tx_data, qua_mi2s_ws,
   67                 qua_mi2s_data, swr_rx_clk, swr_rx_data, dmic1_clk, i2s1_clk,
   68                 dmic1_data, i2s1_ws, dmic2_clk, dmic2_data, i2s1_data,
   69                 i2s2_clk, wsa_swr_clk, i2s2_ws, wsa_swr_data, dmic3_clk,
   70                 dmic3_data, i2s2_data ]
   71         description:
   72           Specify the alternative function to be configured for the specified
   73           pins.
   74 
   75       drive-strength:
   76         enum: [2, 4, 6, 8, 10, 12, 14, 16]
   77         default: 2
   78         description:
   79           Selects the drive strength for the specified pins, in mA.
   80 
   81       slew-rate:
   82         enum: [0, 1, 2, 3]
   83         default: 0
   84         description: |
   85             0: No adjustments
   86             1: Higher Slew rate (faster edges)
   87             2: Lower Slew rate (slower edges)
   88             3: Reserved (No adjustments)
   89 
   90       bias-pull-down: true
   91 
   92       bias-pull-up: true
   93 
   94       bias-disable: true
   95 
   96       output-high: true
   97 
   98       output-low: true
   99 
  100     required:
  101       - pins
  102       - function
  103 
  104     additionalProperties: false
  105 
  106 allOf:
  107   - $ref: "pinctrl.yaml#"
  108 
  109 required:
  110   - compatible
  111   - reg
  112   - clocks
  113   - clock-names
  114   - gpio-controller
  115   - '#gpio-cells'
  116   - gpio-ranges
  117 
  118 additionalProperties: false
  119 
  120 examples:
  121   - |
  122     #include <dt-bindings/sound/qcom,q6afe.h>
  123     lpi_tlmm: pinctrl@33c0000 {
  124         compatible = "qcom,sm8250-lpass-lpi-pinctrl";
  125         reg = <0x33c0000 0x20000>,
  126               <0x3550000 0x10000>;
  127         clocks = <&q6afecc LPASS_HW_MACRO_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>,
  128                  <&q6afecc LPASS_HW_DCODEC_VOTE LPASS_CLK_ATTRIBUTE_COUPLE_NO>;
  129         clock-names = "core", "audio";
  130         gpio-controller;
  131         #gpio-cells = <2>;
  132         gpio-ranges = <&lpi_tlmm 0 0 14>;
  133     };

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FreeBSD/Linux Kernel Cross Reference sys/contrib/device-tree/Bindings/pinctrl/qcom,lpass-lpi-pinctrl.yaml

FreeBSD/Linux Kernel Cross Reference
sys/contrib/device-tree/Bindings/pinctrl/qcom,lpass-lpi-pinctrl.yaml