i2c: add i2c bus driver for NVIDIA GPU

Latest NVIDIA GPU card has USB Type-C interface. There is a
Type-C controller which can be accessed over I2C.

This driver adds I2C bus driver to communicate with Type-C controller.
I2C client driver will be part of USB Type-C UCSI driver.

Signed-off-by: Ajay Gupta <ajayg@nvidia.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
[wsa: kept Makefile sorting]
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

1 files changed, 7 insertions, 0 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 259fe9445d2f..1835d3ffd7ea 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -6861,6 +6861,13 @@ L:	linux-acpi@vger.kernel.org
 S:      Maintained
 F:      drivers/i2c/i2c-core-acpi.c
 
+I2C CONTROLLER DRIVER FOR NVIDIA GPU
+M:      Ajay Gupta <ajayg@nvidia.com>
+L:      linux-i2c@vger.kernel.org
+S:      Maintained
+F:      Documentation/i2c/busses/i2c-nvidia-gpu
+F:      drivers/i2c/busses/i2c-nvidia-gpu.c
+
 I2C MUXES
 M:      Peter Rosin <peda@axentia.se>
 L:      linux-i2c@vger.kernel.org