power: domain: Introduce driver for raw TI K3 PDs

Normally, power domains are handled via TI-SCI in K3 SoCs. However,
SPL is not going to have access to sysfw resources, so it must control
them directly. Add driver for supporting this.

Signed-off-by: Tero Kristo <t-kristo@ti.com>
Signed-off-by: Tero Kristo <kristo@kernel.org>
Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>
diff --git a/drivers/power/domain/Kconfig b/drivers/power/domain/Kconfig
index a0fd980..99b3f9a 100644
--- a/drivers/power/domain/Kconfig
+++ b/drivers/power/domain/Kconfig
@@ -72,4 +72,11 @@
 	help
 	  Generic power domain implementation for TI devices implementing the
 	  TI SCI protocol.
+
+config TI_POWER_DOMAIN
+	bool "Enable the TI K3 Power domain driver"
+	depends on POWER_DOMAIN && ARCH_K3
+	help
+	  Generic power domain implementation for TI K3 devices.
+
 endmenu