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Date: Fri, 21 Jun 2024 09:30:10 +0200 From: Wolfram Sang <wsa+renesas@...g-engineering.com> To: linux-kernel@...r.kernel.org Cc: Andi Shyti <andi.shyti@...nel.org>, Easwar Hariharan <eahariha@...ux.microsoft.com>, Wolfram Sang <wsa+renesas@...g-engineering.com>, linux-i2c@...r.kernel.org Subject: [PATCH v4 3/6] 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@...g-engineering.com> Reviewed-by: Easwar Hariharan <eahariha@...ux.microsoft.com> --- Documentation/i2c/summary.rst | 4 ++-- 1 file 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, -- 2.43.0
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