[PATCH v3 4/5] firmware: scmi: add configs to select the supported agents

[Patrick Delaunay]

Add two configs CONFIG_SCMI_AGENT_MAILBOX and CONFIG_SCMI_AGENT_SMCCC
to select the supported agents as all the agents are not supported.

Signed-off-by: Patrick Delaunay <patrick.delaunay at foss.st.com>
Acked-by: Etienne Carriere <etienne.carriere at linaro.org>
---

Changes in v3:
- add missing CONFIG_ header in makefile variable

Changes in v2:
- fix typo s/compatibble/compatible/
- add acked by Etienne Carriere for the series

 drivers/firmware/scmi/Kconfig  | 16 ++++++++++++++++
 drivers/firmware/scmi/Makefile |  4 ++--
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/scmi/Kconfig b/drivers/firmware/scmi/Kconfig
index c3a109beac..c33de87cd0 100644
--- a/drivers/firmware/scmi/Kconfig
+++ b/drivers/firmware/scmi/Kconfig
@@ -17,3 +17,19 @@ config SCMI_FIRMWARE
 	  based on message exchange. Messages can be exchange over tranport
 	  channels as a mailbox device or an Arm SMCCC service with some
 	  piece of identified shared memory.
+
+config SCMI_AGENT_MAILBOX
+	bool "Enable SCMI agent mailbox"
+	depends on SCMI_FIRMWARE && DM_MAILBOX
+	default y
+	help
+	  Enable the SCMI communication channel based on mailbox
+	  for compatible "arm,scmi".
+
+config SCMI_AGENT_SMCCC
+	bool "Enable SCMI agent SMCCC"
+	depends on SCMI_FIRMWARE && ARM_SMCCC
+	default y
+	help
+	  Enable the SCMI communication channel based on Arm SMCCC service for
+	  compatible "arm,scmi-smc".
diff --git a/drivers/firmware/scmi/Makefile b/drivers/firmware/scmi/Makefile
index 966475ec10..7d6f4df1de 100644
--- a/drivers/firmware/scmi/Makefile
+++ b/drivers/firmware/scmi/Makefile
@@ -1,5 +1,5 @@
 obj-y	+= scmi_agent-uclass.o
 obj-y	+= smt.o
-obj-$(CONFIG_ARM_SMCCC)		+= smccc_agent.o
-obj-$(CONFIG_DM_MAILBOX)	+= mailbox_agent.o
+obj-$(CONFIG_SCMI_AGENT_SMCCC)		+= smccc_agent.o
+obj-$(CONFIG_SCMI_AGENT_MAILBOX)	+= mailbox_agent.o
 obj-$(CONFIG_SANDBOX)		+= sandbox-scmi_agent.o sandbox-scmi_devices.o
-- 
2.25.1