From c02b7bf532f7e46f1f9a0e9c3c27ca3f6f134e8d Mon Sep 17 00:00:00 2001 From: Vadim Pasternak Date: Thu, 10 Nov 2016 21:26:23 +0000 Subject: i2c: mux: mellanox: add driver This driver allows I2C routing controlled through CPLD select registers on a wide range of Mellanox systems (CPLD Lattice device). MUX selection is provided by digital and analog HW. Analog part is not under SW control. Digital part is under CPLD control (channel selection/de-selection). Connectivity schema. .---. .-------------. | l | | |-- i2cx1 -- i2cx8 | i |-- i2cn --+--| mlxcpld mux | | n | | | |-- i2cy1 -- i2cy8 | u | | '-------------' | x | | | '---' '---------' i2c-mux-mlxpcld does not necessarily require i2c-mlxcpld. It can be used along with another bus driver, and still control i2c routing through CPLD mux selection, in case the system is equipped with CPLD capable of mux selection control. The Kconfig currently controlling compilation of this code is: drivers/i2c/muxes/Kconfig:config I2C_MUX_MLXCPLD Signed-off-by: Michael Shych Signed-off-by: Vadim Pasternak Reviewed-by: Jiri Pirko Acked-by: Peter Rosin Signed-off-by: Wolfram Sang --- MAINTAINERS | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'MAINTAINERS') diff --git a/MAINTAINERS b/MAINTAINERS index 411e3b87b8c2..22ee29a8f403 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7881,6 +7881,13 @@ W: http://www.mellanox.com Q: http://patchwork.ozlabs.org/project/netdev/list/ F: drivers/net/ethernet/mellanox/mlxsw/ +MELLANOX MLXCPLD I2C MUX DRIVER +M: Vadim Pasternak +M: Michael Shych +L: linux-i2c@vger.kernel.org +S: Supported +F: drivers/i2c/muxes/i2c-mux-mlxcpld.c + MELLANOX MLXCPLD LED DRIVER M: Vadim Pasternak L: linux-leds@vger.kernel.org -- cgit v1.2.1