From be4fdf99fa4dc95aa01144b207caf2cc9fa074d8 Mon Sep 17 00:00:00 2001 From: Vadim Pasternak Date: Thu, 8 Sep 2016 07:25:53 +0000 Subject: leds: add driver for Mellanox systems LEDs This makes it possible to create a set of LEDs for Mellanox systems: "msx6710", "msx6720", "msb7700", "msn2700", "msx1410", "msn2410", "msb7800", "msn2740", "msn2100". Driver obtains LED devices according to system configuration, provided through system DMI data, like mlxcpld:fan1:green, mlxcpld:fan1:red and creates devices in form: "devicename:colour:function". LED setting is controlled through on board CPLD Lattice device. For setting particular LED off, solid, blink: echo 0 > /sys/class/leds/mlxcpld\:status\:green/brightness echo 1 > /sys/class/leds/mlxcpld\:status\:green/brightness echo timer > /sys/class/leds/mlxcpld\:status\:green/trigger On module probing all LEDs are set green, on removing - off. Last setting overwrites previous, f.e. sequence for changing LED from green - red - green: echo 1 > /sys/class/leds/mlxcpld\:psu\:green/brightness echo 1 > /sys/class/leds/mlxcpld\:psu\:red/brightness echo 1 > /sys/class/leds/mlxcpld\:psu\:green/brightness Note: LEDs cannot be turned on/off simultaneously. The Kconfig currently controlling compilation of this code is: drivers/leds/Kconfig:config LEDS_MLXCPLD Signed-off-by: Vadim Pasternak Reviewed-by: Jiri Pirko Reviewed-by: Wei Yongjun Signed-off-by: Jacek Anaszewski --- MAINTAINERS | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'MAINTAINERS') diff --git a/MAINTAINERS b/MAINTAINERS index a306795a7450..f742e88ccf21 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -7649,6 +7649,13 @@ W: http://www.mellanox.com Q: http://patchwork.ozlabs.org/project/netdev/list/ F: drivers/net/ethernet/mellanox/mlxsw/ +MELLANOX MLXCPLD LED DRIVER +M: Vadim Pasternak +L: linux-leds@vger.kernel.org +S: Supported +F: drivers/leds/leds-mlxcpld.c +F: Documentation/leds/leds-mlxcpld.txt + SOFT-ROCE DRIVER (rxe) M: Moni Shoua L: linux-rdma@vger.kernel.org -- cgit v1.2.3