i2c: Incremental fixes for Mellanox BlueField I2C

This set of fixes tends to complement the upstream effort of the driver code and aims to address the following issues:
- Convert the DT file to a YAML schema to be consistent with the latest kernel releases.
- Fix build issues reproted by the kernel test robot.
- Apply a couple of changes to the driver code to include bug fixes.
- Keep the MAINTAINER info up-to-date.
---
v2->v3:
- Address dtschema/dt warning/errors by removing 'additionalProperties: false' line.
v1->v2:
- Address yamllint and dtschema/dt warning/errors.
- Dual license the YAML schema by adding BSD-2-Clause.
---

Khalil Blaiech (6):
i2c: mlxbf: Add CONFIG_ACPI to guard ACPI function call
i2c: mlxbf: Fix resrticted cast warning of sparse
i2c: mlxbf: Remove unecessary wrapper functions
i2c: mlxbf: Update reference clock frequency
i2c: mlxbf: Update author and maintainer email info
dt-bindings: i2c: mellanox,i2c-mlxbf: convert txt to YAML schema

 .../devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt |  42 -----
 .../bindings/i2c/mellanox,i2c-mlxbf.yaml           |  78 ++++++++
 MAINTAINERS                                        |   3 +-
 drivers/i2c/busses/i2c-mlxbf.c                     | 204 +++++++++------------
 4 files changed, 166 insertions(+), 161 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt
 create mode 100644 Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml

2.1.2

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.

---
 .../devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt | 42 ------------
 .../bindings/i2c/mellanox,i2c-mlxbf.yaml           | 78 ++++++++++++++++++++++
 MAINTAINERS                                        |  1 +
 3 files changed, 79 insertions(+), 42 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.txt
 create mode 100644 Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml

deleted file mode 100644
index 566ea86..0000000
@@ -1,42 +0,0 @@
-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.
-		4) Cause coalesce registers (if compatible isn't set
-		   to "mellanox,i2c-mlxbf1").
-
-- 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>;
-};
-
-i2c@2808800 {
-	compatible = "mellanox,i2c-mlxbf2";
-	reg =	<0x02808800 0x600>,
-	        <0x02808e00 0x020>,
-		<0x02808e20 0x020>,
-		<0x02808e40 0x010>;
-	interrupts = <57>;
-	clock-frequency = <400000>;
-};

index 54de08f..7dd2725 100644
@@ -11166,6 +11166,7 @@ MELLANOX BLUEFIELD I2C DRIVER
 M:	Khalil Blaiech <[email protected]>
 L:	[email protected]
 S:	Supported
+F:	Documentation/devicetree/bindings/i2c/mellanox,i2c-mlxbf.yaml
 F:	drivers/i2c/busses/i2c-mlxbf.c
 
 MELLANOX ETHERNET DRIVER (mlx4_en)

2.1.2

Rob, thank you for having taken the time to review the changes.