diff options
| author | Khalil Blaiech <kblaiech@nvidia.com> | 2020-11-20 18:06:06 -0500 |
|---|---|---|
| committer | Wolfram Sang <wsa@kernel.org> | 2020-12-02 21:29:30 +0100 |
| commit | 579f8983c4597ccb0011fa7c5a388c322f4b46ef (patch) | |
| tree | 7d25dcbdf0a83f72e4e81111ba1a024a952f7802 /Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml | |
| parent | 9c7cae2427715502227f823364a6a77828fdf3ea (diff) | |
dt-bindings: i2c: mellanox,i2c-mlxbf: convert txt to YAML schema
Write the devicetree binding text file associated with
the Mellanox BlueField I2C controller in schema file,
JSON compatible subset of YAML. Besides, add an entry
within MAINTAINERS file.
Signed-off-by: Khalil Blaiech <kblaiech@nvidia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml b/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml new file mode 100644 index 000000000000..d2b401d062b9 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml @@ -0,0 +1,78 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/mellanox,i2c-mlxbf.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Mellanox I2C SMBus on BlueField SoCs + +maintainers: + - Khalil Blaiech <kblaiech@nvidia.com> + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + enum: + - mellanox,i2c-mlxbf1 + - mellanox,i2c-mlxbf2 + + reg: + minItems: 3 + maxItems: 4 + items: + - description: Smbus block registers + - description: Cause master registers + - description: Cause slave registers + - description: Cause coalesce registers + + interrupts: + maxItems: 1 + + clock-frequency: + enum: [ 100000, 400000, 1000000 ] + description: + bus frequency used to configure timing registers; + The frequency is expressed in Hz. Default is 100000. + +required: + - compatible + - reg + - interrupts + +unevaluatedProperties: false + +if: + properties: + compatible: + contains: + enum: + - mellanox,i2c-mlxbf1 + +then: + properties: + reg: + maxItems: 3 + +examples: + - | + i2c@2804000 { + compatible = "mellanox,i2c-mlxbf1"; + reg = <0x02804000 0x800>, + <0x02801200 0x020>, + <0x02801260 0x020>; + interrupts = <57>; + clock-frequency = <100000>; + }; + + - | + i2c@2808800 { + compatible = "mellanox,i2c-mlxbf2"; + reg = <0x02808800 0x600>, + <0x02808e00 0x020>, + <0x02808e20 0x020>, + <0x02808e40 0x010>; + interrupts = <57>; + clock-frequency = <400000>; + }; |