[PATCH v5 2/2] dt-bindings: i2c: I2C binding for Mellanox BlueField SoC
From: Khalil Blaiech <hidden>
Date: 2019-03-29 19:40:41
Subsystem:
i2c subsystem host drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Andi Shyti, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Added device tree bindings documentation for Mellanox BlueField I2C SMBus controller. Reviewed-by: Rob Herring <robh@kernel.org> Signed-off-by: Khalil Blaiech <redacted> --- .../devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt | 29 ++++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt
diff --git a/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt b/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt
new file mode 100644
index 0000000..3478bb2
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt@@ -0,0 +1,29 @@ +Device tree configuration for the Mellanox I2C SMBus on BlueField SoCs + +Required Properties: +- compatible : should be "mellanox,i2c-mlxbf1" or "mellanox,i2c-mlxbf2". + +- reg : address offset and length of the device registers. The + registers consist of the following set of resources: + 1) Smbus block registers. + 2) Cause master registers. + 3) Cause slave registers. + +- interrupts : interrupt number. + +Optional Properties: + +- clock-frequency : bus frequency used to configure timing registers; + allowed values are 100000, 400000 and 1000000; + those are expressed in Hz. Default is 100000. + +Example: + +i2c@2804000 { + compatible = "mellanox,i2c-mlxbf1"; + reg = <0x02804000 0x800>, + <0x02801200 0x020>, + <0x02801260 0x020>; + interrupts = <57>; + clock-frequency = <100000>; +};
--
2.1.2