spi: slave: Add SPI slave handler controlling system state
Add an example SPI slave handler to allow remote control of system
reboot, power off, halt, and suspend.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/Makefile b/drivers/spi/Makefile
index fb078693..1d7923e 100644
--- a/drivers/spi/Makefile
+++ b/drivers/spi/Makefile
@@ -108,3 +108,4 @@
# SPI slave protocol handlers
obj-$(CONFIG_SPI_SLAVE_TIME) += spi-slave-time.o
+obj-$(CONFIG_SPI_SLAVE_SYSTEM_CONTROL) += spi-slave-system-control.o
