v4.19.13 snapshot.
diff --git a/drivers/cpuidle/Kconfig.mips b/drivers/cpuidle/Kconfig.mips
new file mode 100644
index 0000000..512ee37
--- /dev/null
+++ b/drivers/cpuidle/Kconfig.mips
@@ -0,0 +1,17 @@
+#
+# MIPS CPU Idle Drivers
+#
+config MIPS_CPS_CPUIDLE
+ bool "CPU Idle driver for MIPS CPS platforms"
+ depends on CPU_IDLE && MIPS_CPS
+ depends on SYS_SUPPORTS_MIPS_CPS
+ select ARCH_NEEDS_CPU_IDLE_COUPLED if MIPS_MT || CPU_MIPSR6
+ select GENERIC_CLOCKEVENTS_BROADCAST if SMP
+ select MIPS_CPS_PM
+ default y
+ help
+ Select this option to enable processor idle state management
+ through cpuidle for systems built around the MIPS Coherent
+ Processing System (CPS) architecture. In order to make use of
+ the deepest idle states you will need to ensure that you are
+ also using the CONFIG_MIPS_CPS SMP implementation.