On Tue, 26 May 2020 at 06:19, Stefan Roese <s...@denx.de> wrote: > > From: Suneel Garapati <sgarap...@marvell.com> > > Add support for GPIO controllers found on Octeon II/III and Octeon TX > TX2 SoC platforms. > > Signed-off-by: Aaron Williams <awilli...@marvell.com> > Signed-off-by: Suneel Garapati <sgarap...@marvell.com> > Signed-off-by: Stefan Roese <s...@denx.de> > Cc: Simon Glass <s...@chromium.org> > Cc: Daniel Schwierzeck <daniel.schwierz...@gmail.com> > Cc: Aaron Williams <awilli...@marvell.com> > Cc: Chandrakala Chavva <ccha...@marvell.com> > --- > v2 (Stefan): > - Removed #ifdef's for Octeon vs OcteonTX/TX2 completely > The differentiation is now made via driver data / compatible > string > > RFC -> v1 (Stefan) > - Separated this patch from the OcteonTX/TX2 RFC patch series into a > single patch. This is useful, as the upcoming MIPS Octeon support will > use this GPIO driver. > - Added MIPS Octeon II/III support (big endian). Rename driver and its > function names from "octeontx" to "octeon" to better match all Octeon > platforms. > - Moved from union to defines / bitmasks. This makes the driver usage > on little- and big-endian platforms much easier. > - Used clrbits_64() instead of clrbits_le64() and friends to support > usage on little- and big-endian systems > - Removed dev->req_seq assignment > - Enhanced Kconfig text > - Rewrote GPIO_BIT macro > - Dropped many macros to calculate the registers offsets and implemented > simple functions for this (easier to read) > - Used GENMASK_ULL and FIELD_GET helpers > - Minor cosmetic changes (dropped brackets etc) > - Reword commit text and subject > > drivers/gpio/Kconfig | 10 ++ > drivers/gpio/Makefile | 1 + > drivers/gpio/octeon_gpio.c | 253 +++++++++++++++++++++++++++++++++++++ > 3 files changed, 264 insertions(+) > create mode 100644 drivers/gpio/octeon_gpio.c >
Reviewed-by: Simon Glass <s...@chromium.org>
