From 9d5b72de0d1627b130fa69c5edf58b5b2df4ca50 Mon Sep 17 00:00:00 2001 From: Lars Poeschel Date: Mon, 5 Nov 2012 15:48:24 +0100 Subject: gpio: Add viperboard gpio driver This adds the mfd cell to use the gpio a and gpio b part of the Nano River Technologies viperboard. Signed-off-by: Lars Poeschel Reviewed-by: Linus Walleij Signed-off-by: Samuel Ortiz --- drivers/gpio/Kconfig | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'drivers/gpio/Kconfig') diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index d055cee36942..c3bbd08bcdc3 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -649,4 +649,17 @@ config GPIO_MSIC Enable support for GPIO on intel MSIC controllers found in intel MID devices +comment "USB GPIO expanders:" + +config GPIO_VIPERBOARD + tristate "Viperboard GPIO a & b support" + depends on MFD_VIPERBOARD && USB + help + Say yes here to access the GPIO signals of Nano River + Technologies Viperboard. There are two GPIO chips on the + board: gpioa and gpiob. + See viperboard API specification and Nano + River Tech's viperboard.h for detailed meaning + of the module parameters. + endif -- cgit v1.2.3