diff options
| author | Paolo Bonzini <pbonzini@redhat.com> | 2022-01-18 04:45:32 -0500 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2022-01-19 12:14:02 -0500 |
| commit | 4f5a884fc212d99654e4fb36ba98d5354f0dd18e (patch) | |
| tree | f4ac26f5acd43be75cb9d3b2f89fa92c40dbc8ee /Documentation/i2c/summary.rst | |
| parent | e09fccb5435d7b9ab3fd5dfeada8ae40cfa56e08 (diff) | |
| parent | 5f02ef741a785678930f3ff0a8b6b2b0ef1bb402 (diff) | |
Merge branch 'kvm-pi-raw-spinlock' into HEAD
Bring in fix for VT-d posted interrupts before further changing the code in 5.17.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'Documentation/i2c/summary.rst')
| -rw-r--r-- | Documentation/i2c/summary.rst | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/Documentation/i2c/summary.rst b/Documentation/i2c/summary.rst index 136c4e333be7..786c618ba3be 100644 --- a/Documentation/i2c/summary.rst +++ b/Documentation/i2c/summary.rst @@ -11,9 +11,11 @@ systems. Some systems use variants that don't meet branding requirements, and so are not advertised as being I2C but come under different names, e.g. TWI (Two Wire Interface), IIC. -The official I2C specification is the `"I2C-bus specification and user -manual" (UM10204) <https://www.nxp.com/docs/en/user-guide/UM10204.pdf>`_ -published by NXP Semiconductors. +The latest official I2C specification is the `"I2C-bus specification and user +manual" (UM10204) <https://www.nxp.com/webapp/Download?colCode=UM10204>`_ +published by NXP Semiconductors. However, you need to log-in to the site to +access the PDF. An older version of the specification (revision 6) is archived +`here <https://web.archive.org/web/20210813122132/https://www.nxp.com/docs/en/user-guide/UM10204.pdf>`_. SMBus (System Management Bus) is based on the I2C protocol, and is mostly a subset of I2C protocols and signaling. Many I2C devices will work on an |