[platforms: PATCH v3 05/12] Marvell/Armada70x0Db: Extend board description library with GPIO

[Marcin Wojtas <mw@semihalf.com>]

This patch implements ArmadaBoarDescLib library for
Armada70x0Db comunity board and introduces ArmadaBoardGpioGet
routine with per-board GPIO expander description.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marcin Wojtas <mw@semihalf.com>
---
 Platform/Marvell/Armada70x0Db/Armada70x0DbBoardDescLib/Armada70x0DbBoardDescLib.c | 24 ++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/Platform/Marvell/Armada70x0Db/Armada70x0DbBoardDescLib/Armada70x0DbBoardDescLib.c b/Platform/Marvell/Armada70x0Db/Armada70x0DbBoardDescLib/Armada70x0DbBoardDescLib.c
index 48c68e4..f0133ec 100644
--- a/Platform/Marvell/Armada70x0Db/Armada70x0DbBoardDescLib/Armada70x0DbBoardDescLib.c
+++ b/Platform/Marvell/Armada70x0Db/Armada70x0DbBoardDescLib/Armada70x0DbBoardDescLib.c
@@ -19,9 +19,33 @@
 #include <Library/DebugLib.h>
 #include <Library/IoLib.h>
 #include <Library/MemoryAllocationLib.h>
+#include <Library/MvGpioLib.h>
 #include <Library/UefiBootServicesTableLib.h>
 
 //
+// GPIO Expander
+//
+STATIC MV_GPIO_EXPANDER mGpioExpander = {
+  PCA9555_ID,
+  0x21,
+  0x0,
+};
+
+
+EFI_STATUS
+EFIAPI
+ArmadaBoardGpioExpanderGet (
+  IN OUT MV_GPIO_EXPANDER **GpioExpanders,
+  IN OUT UINTN             *GpioExpanderCount
+  )
+{
+  *GpioExpanderCount = 1;
+  *GpioExpanders = &mGpioExpander;
+
+  return EFI_SUCCESS;
+}
+
+//
 // Order of devices in SdMmcDescTemplate has to be in par with ArmadaSoCDescLib
 //
 STATIC
-- 
2.7.4