mfd: AB8500 debugfs

This patch adds the possibility to read and write registers
via the debug_fs. It also adds ranges of registers sorted by bank
which makes it possible to read all defined registers in a bank.

Signed-off-by: Mattias Wallin <mattias.wallin@stericsson.com>
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 8 insertions, 0 deletions

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index ec0af47a9058..e310cb26f520 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -483,6 +483,14 @@ config AB8500_CORE
           read/write functions for the devices to get access to this chip.
           This chip embeds various other multimedia funtionalities as well.
 
+config AB8500_DEBUG
+       bool "Enable debug info via debugfs"
+       depends on AB8500_CORE && DEBUG_FS
+       default y if DEBUG_FS
+       help
+         Select this option if you want debug information using the debug
+         filesystem, debugfs.
+
 config AB3550_CORE
         bool "ST-Ericsson AB3550 Mixed Signal Circuit core functions"
         select MFD_CORE