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