Documentation/devicetree/bindings/pinctrl/qcom,sc7280-lpass-lpi-pinctrl.yaml

   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,sc7280-lpass-lpi-pinctrl.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm SC7280 SoC LPASS LPI TLMM
   8
   9 maintainers:
  10   - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
  11
  12 description:
  13   Top Level Mode Multiplexer pin controller in the Low Power Audio SubSystem
  14   (LPASS) Low Power Island (LPI) of Qualcomm SC7280 SoC.
  15
  16 properties:
  17   compatible:
  18     const: qcom,sc7280-lpass-lpi-pinctrl
  19
  20   reg:
  21     maxItems: 2
  22
  23 patternProperties:
  24   "-state$":
  25     oneOf:
  26       - $ref: "#/$defs/qcom-sc7280-lpass-state"
  27       - patternProperties:
  28           "-pins$":
  29             $ref: "#/$defs/qcom-sc7280-lpass-state"
  30         additionalProperties: false
  31
  32 $defs:
  33   qcom-sc7280-lpass-state:
  34     type: object
  35     description:
  36       Pinctrl node's client devices use subnodes for desired pin configuration.
  37       Client device subnodes use below standard properties.
  38     $ref: qcom,lpass-lpi-common.yaml#/$defs/qcom-tlmm-state
  39     unevaluatedProperties: false
  40
  41     properties:
  42       pins:
  43         description:
  44           List of gpio pins affected by the properties specified in this
  45           subnode.
  46         items:
  47           oneOf:
  48             - pattern: "^gpio([0-9]|1[0-4])$"
  49         minItems: 1
  50         maxItems: 15
  51
  52       function:
  53         enum: [ gpio, swr_tx_clk, qua_mi2s_sclk, swr_tx_data, qua_mi2s_ws,
  54                 qua_mi2s_data, swr_rx_clk, swr_rx_data, dmic1_clk, i2s1_clk,
  55                 dmic1_data, i2s1_ws, dmic2_clk, dmic2_data, i2s1_data,
  56                 i2s2_clk, wsa_swr_clk, i2s2_ws, wsa_swr_data, dmic3_clk,
  57                 dmic3_data, i2s2_data ]
  58         description:
  59           Specify the alternative function to be configured for the specified
  60           pins.
  61
  62 required:
  63   - compatible
  64   - reg
  65
  66 allOf:
  67   - $ref: qcom,lpass-lpi-common.yaml#
  68
  69 unevaluatedProperties: false
  70
  71 examples:
  72   - |
  73     lpass_tlmm: pinctrl@33c0000 {
  74         compatible = "qcom,sc7280-lpass-lpi-pinctrl";
  75         reg = <0x33c0000 0x20000>,
  76               <0x3550000 0x10000>;
  77         gpio-controller;
  78         #gpio-cells = <2>;
  79         gpio-ranges = <&lpass_tlmm 0 0 15>;
  80
  81         dmic01-state {
  82             dmic01-clk-pins {
  83                 pins = "gpio6";
  84                 function = "dmic1_clk";
  85             };
  86
  87             dmic01-clk-sleep-pins {
  88                 pins = "gpio6";
  89                 function = "dmic1_clk";
  90             };
  91         };
  92
  93         tx-swr-data-sleep-state {
  94             pins = "gpio1", "gpio2", "gpio14";
  95             function = "swr_tx_data";
  96         };
  97     };