mirror of
git://git.yoctoproject.org/linux-yocto.git
synced 2025-08-22 00:42:01 +02:00

Add support to read SFR's read-only registers providing the SoC Serial Numbers (SN0+SN1) to userspace. ~ # hexdump -n 8 -e'"%d\n"' /sys/bus/nvmem/devices/atmel-sfr0/nvmem 959527243 371539274 Signed-off-by: Kamel Bouhara <kamel.bouhara@bootlin.com> Tested-by: Tudor Ambarus <tudor.ambarus@microchip.com> Reviewed-by: Tudor Ambarus <tudor.ambarus@microchip.com> Link: https://lore.kernel.org/r/20191004151802.21793-1-kamel.bouhara@bootlin.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
611 B
611 B
SPDX-License-Identifier: GPL-2.0-only
config AT91_SOC_ID bool "SoC bus for Atmel ARM SoCs" depends on ARCH_AT91 || COMPILE_TEST default ARCH_AT91 help Include support for the SoC bus on the Atmel ARM SoCs.
config AT91_SOC_SFR tristate "Special Function Registers support" depends on ARCH_AT91 || COMPILE_TEST help This is a driver for the Special Function Registers available on Atmel SAMA5Dx SoCs, providing access to specific aspects of the integrated memory, bridge implementations, processor etc.
This driver can also be built as a module. If so, the module
will be called sfr.