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Only propose KEBA CP500 drivers on architectures where the device
exists, unless build-testing.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20241104142217.1dad57cf@endymion.delvare
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Kernel test robot reported a build error on csky:
drivers/misc/keba/cp500.c:287:(.text+0x1c0): undefined reference to `i2c_verify_client'
Add I2C dependency to fix build error.
Fixes: 794848300103 ("misc: keba: Add SPI controller device")
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202410130817.NXBCxx4q-lkp@intel.com/
Signed-off-by: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20241016182751.10457-1-gerhard@engleder-embedded.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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KEBA CP500 devices use the LAN9252 controller for EtherCAT
communication. For a stable Ethernet link the PHY registers of the
controller need to be configured correctly. This driver configures these
PHY registers as required.
Signed-off-by: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20241011191257.19702-5-gerhard@engleder-embedded.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The cp500 driver creates auxiliary devices. Kernel configs without
CONFIG_AUXILIARY_BUS lead to warnings like this:
cp500.c: undefined reference to `auxiliary_device_init'
cp500.c: undefined reference to `__auxiliary_device_add'
Add missing dependency to AUXILIARY_BUS to KEBA_CP500 Kconfig.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202407081327.2DR4Ltu9-lkp@intel.com/
Fixes: a1944676767e ("misc: keba: Add basic KEBA CP500 system FPGA support")
Signed-off-by: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20240708180049.12713-1-gerhard@engleder-embedded.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The KEBA CP500 system FPGA is a PCIe device, which consists of multiple
IP cores. Every IP core has its own auxiliary driver. The cp500 driver
registers an auxiliary device for each device and the corresponding
drivers are loaded by the Linux driver infrastructure.
Currently 3 variants of this device exists. Every variant has its own
PCI device ID, which is used to determine the list of available IP
cores. In this first version only the auxiliary device for the I2C
controller is registered.
Besides the auxiliary device registration some other basic functions of
the FPGA are implemented; e.g, FPGA version sysfs file, keep FPGA
configuration on reset sysfs file, error message for errors on the
internal AXI bus of the FPGA.
Signed-off-by: Gerhard Engleder <eg@keba.com>
Link: https://lore.kernel.org/r/20240630194740.7137-2-gerhard@engleder-embedded.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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