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-rw-r--r--drivers/i2c/busses/Kconfig6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 7244c8be6063..2e7530a4e7b8 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -133,7 +133,7 @@ config I2C_PIIX4
ATI IXP300
ATI IXP400
ATI SB600
- ATI SB700
+ ATI SB700/SP5100
ATI SB800
AMD Hudson-2
Serverworks OSB4
@@ -143,6 +143,10 @@ config I2C_PIIX4
Serverworks HT-1100
SMSC Victory66
+ Some AMD chipsets contain two PIIX4-compatible SMBus
+ controllers. This driver will attempt to use both controllers
+ on the SB700/SP5100, if they have been initialized by the BIOS.
+
This driver can also be built as a module. If so, the module
will be called i2c-piix4.