162306a36Sopenharmony_ci========================= 262306a36Sopenharmony_ciKernel driver i2c-nforce2 362306a36Sopenharmony_ci========================= 462306a36Sopenharmony_ci 562306a36Sopenharmony_ciSupported adapters: 662306a36Sopenharmony_ci * nForce2 MCP 10de:0064 762306a36Sopenharmony_ci * nForce2 Ultra 400 MCP 10de:0084 862306a36Sopenharmony_ci * nForce3 Pro150 MCP 10de:00D4 962306a36Sopenharmony_ci * nForce3 250Gb MCP 10de:00E4 1062306a36Sopenharmony_ci * nForce4 MCP 10de:0052 1162306a36Sopenharmony_ci * nForce4 MCP-04 10de:0034 1262306a36Sopenharmony_ci * nForce MCP51 10de:0264 1362306a36Sopenharmony_ci * nForce MCP55 10de:0368 1462306a36Sopenharmony_ci * nForce MCP61 10de:03EB 1562306a36Sopenharmony_ci * nForce MCP65 10de:0446 1662306a36Sopenharmony_ci * nForce MCP67 10de:0542 1762306a36Sopenharmony_ci * nForce MCP73 10de:07D8 1862306a36Sopenharmony_ci * nForce MCP78S 10de:0752 1962306a36Sopenharmony_ci * nForce MCP79 10de:0AA2 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ciDatasheet: 2262306a36Sopenharmony_ci not publicly available, but seems to be similar to the 2362306a36Sopenharmony_ci AMD-8111 SMBus 2.0 adapter. 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ciAuthors: 2662306a36Sopenharmony_ci - Hans-Frieder Vogt <hfvogt@gmx.net>, 2762306a36Sopenharmony_ci - Thomas Leibold <thomas@plx.com>, 2862306a36Sopenharmony_ci - Patrick Dreker <patrick@dreker.de> 2962306a36Sopenharmony_ci 3062306a36Sopenharmony_ciDescription 3162306a36Sopenharmony_ci----------- 3262306a36Sopenharmony_ci 3362306a36Sopenharmony_cii2c-nforce2 is a driver for the SMBuses included in the nVidia nForce2 MCP. 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ciIf your ``lspci -v`` listing shows something like the following:: 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci 00:01.1 SMBus: nVidia Corporation: Unknown device 0064 (rev a2) 3862306a36Sopenharmony_ci Subsystem: Asustek Computer, Inc.: Unknown device 0c11 3962306a36Sopenharmony_ci Flags: 66Mhz, fast devsel, IRQ 5 4062306a36Sopenharmony_ci I/O ports at c000 [size=32] 4162306a36Sopenharmony_ci Capabilities: <available only to root> 4262306a36Sopenharmony_ci 4362306a36Sopenharmony_cithen this driver should support the SMBuses of your motherboard. 4462306a36Sopenharmony_ci 4562306a36Sopenharmony_ci 4662306a36Sopenharmony_ciNotes 4762306a36Sopenharmony_ci----- 4862306a36Sopenharmony_ci 4962306a36Sopenharmony_ciThe SMBus adapter in the nForce2 chipset seems to be very similar to the 5062306a36Sopenharmony_ciSMBus 2.0 adapter in the AMD-8111 south bridge. However, I could only get 5162306a36Sopenharmony_cithe driver to work with direct I/O access, which is different to the EC 5262306a36Sopenharmony_ciinterface of the AMD-8111. Tested on Asus A7N8X. The ACPI DSDT table of the 5362306a36Sopenharmony_ciAsus A7N8X lists two SMBuses, both of which are supported by this driver. 54