dm: sandbox: pci: Add PCI support for sandbox
Add the required header information, device tree nodes and I/O accessor
functions to support PCI on sandbox. All devices are emulated by drivers
which can be added as required for testing or development.
Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/sandbox/Kconfig b/arch/sandbox/Kconfig
index 2098b9c..477a20a 100644
--- a/arch/sandbox/Kconfig
+++ b/arch/sandbox/Kconfig
@@ -34,4 +34,11 @@
config DM_TEST
default y
+config PCI
+ bool "PCI support"
+ help
+ Enable support for PCI (Peripheral Interconnect Bus), a type of bus
+ used on some devices to allow the CPU to communicate with its
+ peripherals.
+
endmenu