Documentation/devicetree/bindings/hwlock/qcom-hwspinlock.yaml

   1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
   2 %YAML 1.2
   3 ---
   4 $id: http://devicetree.org/schemas/hwlock/qcom-hwspinlock.yaml#
   5 $schema: http://devicetree.org/meta-schemas/core.yaml#
   6
   7 title: Qualcomm Hardware Mutex Block
   8
   9 maintainers:
  10   - Bjorn Andersson <bjorn.andersson@linaro.org>
  11
  12 description:
  13   The hardware block provides mutexes utilized between different processors on
  14   the SoC as part of the communication protocol used by these processors.
  15
  16 properties:
  17   compatible:
  18     enum:
  19       - qcom,sfpb-mutex
  20       - qcom,tcsr-mutex
  21
  22   reg:
  23     maxItems: 1
  24
  25   '#hwlock-cells':
  26     const: 1
  27
  28 required:
  29   - compatible
  30   - reg
  31   - '#hwlock-cells'
  32
  33 additionalProperties: false
  34
  35 examples:
  36   - |
  37         tcsr_mutex: hwlock@1f40000 {
  38                 compatible = "qcom,tcsr-mutex";
  39                 reg = <0x01f40000 0x40000>;
  40                 #hwlock-cells = <1>;
  41         };
  42 ...