davinci: update pin-multiplexing support

Update MUX support to be more general and useful across multiple
SoCs in the DaVinci family.

Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>

1 files changed, 26 insertions, 0 deletions

diff --git a/arch/arm/mach-davinci/Kconfig b/arch/arm/mach-davinci/Kconfig
index af886734c73b..f18090e78e30 100644
--- a/arch/arm/mach-davinci/Kconfig
+++ b/arch/arm/mach-davinci/Kconfig
@@ -18,6 +18,32 @@ config MACH_DAVINCI_EVM
           Configure this option to specify the whether the board used
           for development is a DaVinci EVM
 
+
+config DAVINCI_MUX
+        bool "DAVINCI multiplexing support"
+        depends on ARCH_DAVINCI
+        default y
+        help
+          Pin multiplexing support for DAVINCI boards. If your bootloader
+          sets the multiplexing correctly, say N. Otherwise, or if unsure,
+          say Y.
+
+config DAVINCI_MUX_DEBUG
+        bool "Multiplexing debug output"
+        depends on DAVINCI_MUX
+        help
+          Makes the multiplexing functions print out a lot of debug info.
+          This is useful if you want to find out the correct values of the
+          multiplexing registers.
+
+config DAVINCI_MUX_WARNINGS
+        bool "Warn about pins the bootloader didn't set up"
+        depends on DAVINCI_MUX
+        help
+          Choose Y here to warn whenever driver initialization logic needs
+          to change the pin multiplexing setup.  When there are no warnings
+          printed, it's safe to deselect DAVINCI_MUX for your product.
+
 config DAVINCI_RESET_CLOCKS
         bool "Reset unused clocks during boot"
         depends on ARCH_DAVINCI