On 8/9/20 3:25 AM, Sandeep Singh wrote: > From: Sandeep Singh <sandeep.singh@xxxxxxx> > > AMD SFH uses HID over PCIe bus.SFH fw is part of MP2 processor > (MP2 which is an ARM® Cortex-M4 core based co-processor to x86) and > it runs on MP2 where in driver resides on X86. This part of module > will communicate with MP2 FW and provide that data into DRAM > > Signed-off-by: Nehal Shah <Nehal-bakulchandra.Shah@xxxxxxx> > Signed-off-by: Sandeep Singh <sandeep.singh@xxxxxxx> > --- > drivers/hid/Kconfig | 2 + > drivers/hid/Makefile | 2 + > drivers/hid/amd-sfh-hid/Kconfig | 21 ++++ > drivers/hid/amd-sfh-hid/Makefile | 15 +++ > drivers/hid/amd-sfh-hid/amd_mp2_pcie.c | 162 +++++++++++++++++++++++++ > drivers/hid/amd-sfh-hid/amd_mp2_pcie.h | 83 +++++++++++++ > 6 files changed, 285 insertions(+) > create mode 100644 drivers/hid/amd-sfh-hid/Kconfig > create mode 100644 drivers/hid/amd-sfh-hid/Makefile > create mode 100644 drivers/hid/amd-sfh-hid/amd_mp2_pcie.c > create mode 100644 drivers/hid/amd-sfh-hid/amd_mp2_pcie.h Hi, > diff --git a/drivers/hid/amd-sfh-hid/Kconfig b/drivers/hid/amd-sfh-hid/Kconfig > new file mode 100644 > index 000000000000..e73cf9fe1324 > --- /dev/null > +++ b/drivers/hid/amd-sfh-hid/Kconfig > @@ -0,0 +1,21 @@ > +# SPDX-License-Identifier: GPL-2.0-or-later > +menu "AMD SFH HID support" > + depends on X86_64 || COMPILE_TEST > + depends on PCI > + > +config AMD_SFH_HID > + tristate "AMD Sensor Fusion Hub" > + select HID How about depends on HID We try hard not to select/enable entire subsystems just because one driver wants it. Also, HID depends on INPUT, so it's not safe to select HID unless INPUT is already enabled. > + help > + If you say yes to this option, support will be included for the AMD > + Sensor Fusion Hub. > + This driver will enable sensors functionality to user through HID > + framework. Basically this driver will get data from MP2 FW s/FW/firmware/ or is it "framework" ? > + and provide that data to HID framework. > + MP2 which is an ARM® Cortex-M4 core based co-processor to x86. > + > + This driver can also be built as modules. If so, the modules will built as a module. If so, the module will > + be called amd-sfhtp-hid. > + Say Y or M here if you want to support AMD SFH. If unsure, say N. > + > +endmenu thanks. -- ~Randy