1 files changed, 13 insertions, 0 deletions

diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 48438cc5d0ca..00d76e13588f 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -315,6 +315,19 @@ config I2C_NFORCE2
           This driver can also be built as a module.  If so, the module
           will be called i2c-nforce2.
 
+config I2C_NFORCE2_S4985
+        tristate "SMBus multiplexing on the Tyan S4985"
+        depends on I2C_NFORCE2 && EXPERIMENTAL
+        help
+          Enabling this option will add specific SMBus support for the Tyan
+          S4985 motherboard.  On this 4-CPU board, the SMBus is multiplexed
+          over 4 different channels, where the various memory module EEPROMs
+          live.  Saying yes here will give you access to these in addition
+          to the trunk.
+
+          This driver can also be built as a module.  If so, the module
+          will be called i2c-nforce2-s4985.
+
 config I2C_OCORES
         tristate "OpenCores I2C Controller"
         depends on EXPERIMENTAL