[PATCH 0/3] XRA1403,gpio - add XRA1403 gpio expander driver

2017-04-05 Thread Han, Nandor (GE Healthcare)
x-kernel@vger.kernel.org > Subject: EXT: Re: [PATCH 0/3] XRA1403,gpio - add XRA1403 gpio expander driver > > Do *NOT* use the sysfs for testing GPIO. > This is being phased out. > > Use the tools in tools/gpio/* so that you exercise the > character device instead of the old

Re: [PATCH 0/3] XRA1403,gpio - add XRA1403 gpio expander driver

2017-03-28 Thread Linus Walleij
On Mon, Mar 27, 2017 at 8:22 AM, Nandor Han wrote: > Testing: > > 1. XRA1403 connected to iMX53 MCU > 2. Export gpio from userspace > 3. Verify that corresponding gpio directories are created >in `/sys/class/gpio/gpioXX` > 4. Export gpios from first and second bank as output > 5. Set the outp

[PATCH 0/3] XRA1403,gpio - add XRA1403 gpio expander driver

2017-03-27 Thread Nandor Han
The patchset will add a driver to support basic functionality for XRA1403 device. Features supported: - configure gpin as input/out - get/set gpio status Documentation: A gpio-xra1403.txt file was added to document the DTS bindings related to driver. Testing: 1. XRA1403 c