Bindings/pinctrl/qcom,lpass-lpi-common.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,lpass-lpi-common.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm SoC LPASS LPI TLMM Common Properties
   8
   9 maintainers:
  10   - Bjorn Andersson <andersson@kernel.org>
  11   - Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
  12   - Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
  13
  14 description:
  15   Common properties for the Top Level Mode Multiplexer pin controllers in the
  16   Low Power Audio SubSystem (LPASS) Low Power Island (LPI) of Qualcomm SoCs.
  17
  18 properties:
  19   gpio-controller: true
  20
  21   "#gpio-cells":
  22     description:
  23       Specifying the pin number and flags, as defined in
  24       include/dt-bindings/gpio/gpio.h
  25     const: 2
  26
  27   gpio-ranges:
  28     maxItems: 1
  29
  30 required:
  31   - gpio-controller
  32   - "#gpio-cells"
  33   - gpio-ranges
  34
  35 allOf:
  36   - $ref: pinctrl.yaml#
  37
  38 additionalProperties: true
  39
  40 $defs:
  41   qcom-tlmm-state:
  42     properties:
  43       drive-strength:
  44         enum: [2, 4, 6, 8, 10, 12, 14, 16]
  45         default: 2
  46         description:
  47           Selects the drive strength for the specified pins, in mA.
  48
  49       slew-rate:
  50         enum: [0, 1, 2, 3]
  51         default: 0
  52         description: |
  53           0: No adjustments
  54           1: Higher Slew rate (faster edges)
  55           2: Lower Slew rate (slower edges)
  56           3: Reserved (No adjustments)
  57
  58       bias-bus-hold: true
  59       bias-pull-down: true
  60       bias-pull-up: true
  61       bias-disable: true
  62       input-enable: true
  63       output-high: true
  64       output-low: true
  65
  66     required:
  67       - pins
  68       - function
  69
  70     allOf:
  71       - $ref: pincfg-node.yaml#
  72       - $ref: pinmux-node.yaml#
  73
  74     additionalProperties: true
  75