From 180b4df229d935f2655ac37623b235bb04f263fd Mon Sep 17 00:00:00 2001
From: Vincent Wan <vincent.wan@linaro.org>
Date: Wed, 8 Jan 2020 17:10:51 -0800
Subject: [PATCH] soc: kconfig: add SOC_DEPRECATED_RELEASE

Adding a Kconfig parameter so that we can indicate an SoC is to be
deprecated, similar to what is being done for BOARD_DEPRECATED_RELEASE.

Signed-off-by: Vincent Wan <vincent.wan@linaro.org>
---
 CMakeLists.txt | 7 +++++++
 soc/Kconfig    | 8 ++++++++
 2 files changed, 15 insertions(+)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 82b6658e095..19f0f7d20a1 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1512,6 +1512,13 @@ if(CONFIG_BOARD_DEPRECATED_RELEASE)
   )
 endif()
 
+if(CONFIG_SOC_DEPRECATED_RELEASE)
+  message(WARNING "
+      WARNING:  The SoC '${SOC_NAME}' is deprecated and will be
+      removed in version ${CONFIG_SOC_DEPRECATED_RELEASE}"
+  )
+endif()
+
 # In CMake projects, 'CMAKE_BUILD_TYPE' usually determines the
 # optimization flag, but in Zephyr it is determined through
 # Kconfig. Here we give a warning when there is a mismatch between the
diff --git a/soc/Kconfig b/soc/Kconfig
index 78f0be73551..0dc8dfd4639 100644
--- a/soc/Kconfig
+++ b/soc/Kconfig
@@ -71,3 +71,11 @@ config SOC_RWDATA_LD
 	  under include/arch/.
 
 endif # ARC || ARM || X86 || NIOS2 || RISCV
+
+config SOC_DEPRECATED_RELEASE
+	string
+	help
+	  This hidden option is set in the SoC configuration and indicates
+	  the Zephyr release that the SoC configuration will be removed.
+	  When set, any build for that SoC will generate a clearly visible
+	  deprecation warning.