On Sat, 01 Oct 2022, chengwei wrote: > The UP Squared board <http://www.upboard.com> implements certain > features (pin control, onboard LEDs or CEC) through an on-board FPGA. > > This mfd driver implements the line protocol to read and write registers > from the FPGA through regmap. The register address map is also included. > > The UP boards come with a few FPGA-controlled onboard LEDs: > * UP Board: yellow, green, red > * UP Squared: blue, yellow, green, red > > The UP Boards provide a few I/O pin headers (for both GPIO and > functions), including a 40-pin Raspberry Pi compatible header. > > This patch implements support for the FPGA-based pin controller that > manages direction and enable state for those header pins. > > Partial support UP boards: > * UP core + CREX > * UP core + CRST02 > > Signed-off-by: Javier Arteaga <javier@xxxxxxxxxx> > [merge various fixes] > Signed-off-by: Nicola Lunghi <nicola.lunghi@xxxxxxxxxx> > Signed-off-by: chengwei <larry.lai@xxxxxxxxxxxxxxx> > --- > drivers/leds/Kconfig | 10 + > drivers/leds/Makefile | 1 + > drivers/leds/leds-upboard.c | 90 ++++++ > drivers/mfd/Kconfig | 9 + > drivers/mfd/Makefile | 1 + > drivers/mfd/upboard-fpga.c | 486 +++++++++++++++++++++++++++++++ > include/linux/mfd/upboard-fpga.h | 53 ++++ Please separate the LED and MFD changes into their own patches. > 7 files changed, 650 insertions(+) > create mode 100644 drivers/leds/leds-upboard.c > create mode 100644 drivers/mfd/upboard-fpga.c > create mode 100644 include/linux/mfd/upboard-fpga.h -- Lee Jones [李琼斯]
