summaryrefslogtreecommitdiff
path: root/Platform/Marvell/Documentation/PortingGuide/Spi.txt
diff options
context:
space:
mode:
authorLeif Lindholm <leif.lindholm@linaro.org>2017-05-03 17:47:23 +0100
committerLeif Lindholm <leif.lindholm@linaro.org>2017-07-14 22:36:51 +0100
commit0189ff331b9bdd9353624bc7b509e53148976806 (patch)
tree481788a26d43fdad9f762256111ece2926b7835a /Platform/Marvell/Documentation/PortingGuide/Spi.txt
parent8322634459ac602d9fbcca30e96b24ff098acb3c (diff)
downloadedk2-platforms-devel-OpenPlatformPkg.tar.xz
Platform: import Marvell Armada supportdevel-OpenPlatformPkg
Import Armada 70x0 suppport from OpenPlatformPkg, together with its documentation and utilities. Imported from commit efd798c1eb of https://git.linaro.org/uefi/OpenPlatformPkg.git Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Leif Lindholm <leif.lindholm@linaro.org>
Diffstat (limited to 'Platform/Marvell/Documentation/PortingGuide/Spi.txt')
-rw-r--r--Platform/Marvell/Documentation/PortingGuide/Spi.txt16
1 files changed, 16 insertions, 0 deletions
diff --git a/Platform/Marvell/Documentation/PortingGuide/Spi.txt b/Platform/Marvell/Documentation/PortingGuide/Spi.txt
new file mode 100644
index 0000000000..be498a66a6
--- /dev/null
+++ b/Platform/Marvell/Documentation/PortingGuide/Spi.txt
@@ -0,0 +1,16 @@
+Spi driver configuration
+------------------------
+Following PCDs are available for configuration of spi driver:
+
+ gMarvellTokenSpaceGuid.PcdSpiClockFrequency
+
+Frequency (in Hz) of SPI clock
+
+ gMarvellTokenSpaceGuid.PcdSpiMaxFrequency
+
+Max SCLK line frequency (in Hz) (max transfer frequency)
+
+ gMarvellTokenSpaceGuid.PcdSpiDefaultMode
+
+default SCLK mode (see SPI_MODE enum in file
+Platform/Marvell/Drivers/Spi/MvSpi.h)