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authorWolfram Sang <wsa+renesas@sang-engineering.com>2024-06-21 09:30:10 +0200
committerWolfram Sang <wsa+renesas@sang-engineering.com>2024-06-22 10:11:47 +0200
commita5b88cb9fdff337a2867f0dff7c5cd23d4bd6663 (patch)
tree6d2d2d7c4d39cf3f06ff07112ec9a36a12888652
parent75d148c90a34b94a3e3e7e7b2f30a689d8fbb7c8 (diff)
docs: i2c: summary: update speed mode description
Fastest I2C mode is 5 MHz. Update the docs and reword the paragraph slightly. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Reviewed-by: Easwar Hariharan <eahariha@linux.microsoft.com> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
-rw-r--r--Documentation/i2c/summary.rst4
1 files changed, 2 insertions, 2 deletions
diff --git a/Documentation/i2c/summary.rst b/Documentation/i2c/summary.rst
index e3ab1d414014..a1e5c0715f8b 100644
--- a/Documentation/i2c/summary.rst
+++ b/Documentation/i2c/summary.rst
@@ -3,8 +3,8 @@ Introduction to I2C and SMBus
=============================
I²C (pronounce: I squared C and written I2C in the kernel documentation) is
-a protocol developed by Philips. It is a slow two-wire protocol (variable
-speed, up to 400 kHz), with a high speed extension (3.4 MHz). It provides
+a protocol developed by Philips. It is a two-wire protocol with variable
+speed (typically up to 400 kHz, high speed modes up to 5 MHz). It provides
an inexpensive bus for connecting many types of devices with infrequent or
low bandwidth communications needs. I2C is widely used with embedded
systems. Some systems use variants that don't meet branding requirements,