docs: Add platform compatibility policy document
Information regarding platform compatibility policy
is added to the documentation.
Change-Id: If9f2a11160f81354ee2c678f0fca9d67fc7366e6
Signed-off-by: Soby Mathew <soby.mathew@arm.com>
diff --git a/docs/porting-guide.rst b/docs/porting-guide.rst
index 84f4c9d..71051ca 100644
--- a/docs/porting-guide.rst
+++ b/docs/porting-guide.rst
@@ -45,6 +45,9 @@
This document should be read in conjunction with the TF-A `User Guide`_.
+Please refer to the `Platform compatibility policy`_ for the policy regarding
+compatibility and deprecation of these porting interfaces.
+
Common modifications
--------------------
@@ -3082,6 +3085,7 @@
.. _Firmware Design: firmware-design.rst
.. _PSCI: http://infocenter.arm.com/help/topic/com.arm.doc.den0022c/DEN0022C_Power_State_Coordination_Interface.pdf
.. _plat/arm/board/fvp/fvp\_pm.c: ../plat/arm/board/fvp/fvp_pm.c
+.. _Platform compatibility policy: https://github.com/ARM-software/arm-trusted-firmware/docs/platform-compatibility-policy.rst#2platform-compatibility-policy
.. _IMF Design Guide: interrupt-framework-design.rst
.. _Arm Generic Interrupt Controller version 2.0 (GICv2): http://infocenter.arm.com/help/topic/com.arm.doc.ihi0048b/index.html
.. _3.0 (GICv3): http://infocenter.arm.com/help/topic/com.arm.doc.ihi0069b/index.html