| Kernel driver i2c-ali1535 |
| |
| Supported adapters: |
| * Acer Labs, Inc. ALI 1535 (south bridge) |
| Datasheet: Now under NDA |
| http://www.ali.com.tw/eng/support/datasheet_request.php |
| |
| Authors: |
| Frodo Looijaard <frodol@dds.nl>, |
| Philip Edelbrock <phil@netroedge.com>, |
| Mark D. Studebaker <mdsxyz123@yahoo.com>, |
| Dan Eaton <dan.eaton@rocketlogix.com>, |
| Stephen Rousset<stephen.rousset@rocketlogix.com> |
| |
| Description |
| ----------- |
| |
| This is the driver for the SMB Host controller on Acer Labs Inc. (ALI) |
| M1535 South Bridge. |
| |
| The M1535 is a South bridge for portable systems. It is very similar to the |
| M15x3 South bridges also produced by Acer Labs Inc. Some of the registers |
| within the part have moved and some have been redefined slightly. |
| Additionally, the sequencing of the SMBus transactions has been modified to |
| be more consistent with the sequencing recommended by the manufacturer and |
| observed through testing. These changes are reflected in this driver and |
| can be identified by comparing this driver to the i2c-ali15x3 driver. For |
| an overview of these chips see http://www.acerlabs.com |
| |
| The SMB controller is part of the M7101 device, which is an ACPI-compliant |
| Power Management Unit (PMU). |
| |
| The whole M7101 device has to be enabled for the SMB to work. You can't |
| just enable the SMB alone. The SMB and the ACPI have separate I/O spaces. |
| We make sure that the SMB is enabled. We leave the ACPI alone. |
| |
| |
| Features |
| -------- |
| |
| This driver controls the SMB Host only. This driver does not use |
| interrupts. |