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| author | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2020-11-28 17:33:41 +0000 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2020-12-08 15:30:19 -0600 |
| commit | 9c8421e298d6efff38bbd7a6f97b081bd43b2137 (patch) | |
| tree | bddf35520cfdc251513fdc7aeab1c1a02f062e67 /Documentation/devicetree/bindings/i2c/i2c-gate.yaml | |
| parent | e5dddbedfe09df69ca819eb98f6dcccb006c6bc9 (diff) | |
dt-bindings:i2c:i2c-gate: txt to yaml conversion
This file provides very little in the way of actual schema but
does provide a convenient intro to what an i2c-gate node actually
represents.
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Peter Rosin <peda@axentia.se>
Cc: Wolfram Sang <wsa@the-dreams.de>
Link: https://lore.kernel.org/r/20201031181801.742585-2-jic23@kernel.org
Link: https://lore.kernel.org/r/20201128173343.390165-2-jic23@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/i2c-gate.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/i2c-gate.yaml | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/i2c-gate.yaml b/Documentation/devicetree/bindings/i2c/i2c-gate.yaml new file mode 100644 index 000000000000..66472f12a7e2 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/i2c-gate.yaml @@ -0,0 +1,39 @@ +# SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/i2c-gate.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Common i2c gate properties + +maintainers: + - Peter Rosin <peda@axentia.se> + +description: | + An i2c gate is useful to e.g. reduce the digital noise for RF tuners connected + to the i2c bus. Gates are similar to arbitrators in that you need to perform + some kind of operation to access the i2c bus past the arbitrator/gate, but + there are no competing masters to consider for gates and therefore there is + no arbitration happening for gates. + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml + +properties: + $nodename: + const: i2c-gate + +additionalProperties: true + +examples: + - | + i2c-gate { + #address-cells = <1>; + #size-cells = <0>; + ak8975@c { + compatible = "ak,ak8975"; + reg = <0x0c>; + }; + }; +... + |