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2020-04-20docs: i2c: rename i2c.svg to i2c_bus.svgMauro Carvalho Chehab1-1/+1
When generating the PDF output, the Documentation/i2c dir will generate an i2c.pdf. The same happens with i2c.svg: it will also produce a file with the same name, at the same dir. This causes errors when building the PDF output. So, rename the image to i2c_bus.svg. Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Link: https://lore.kernel.org/r/ecf3d51909ce46b3e84a1df4b36f07d76989e5da.1586881715.git.mchehab+huawei@kernel.org Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2020-01-29docs: i2c: rename sections so the overall picture is clearerLuca Ceresoli1-3/+3
Some of the section names are not very clear. Reading those names in the index.rst page does not help much in grasping what the content is supposed to be. Rename those sections to clarify their content, especially when reading the index page. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Acked-by: Peter Rosin <peda@axentia.se> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2020-01-29docs: i2c: summary: rewrite the "terminology" sectionLuca Ceresoli1-14/+22
This section, partly dating back to the pre-git era, is somewhat unclear and partly incorrect. Rewrite it almost completely including a reference figure, concise but precise definition of each term and the paths where drivers are found. Particular care has been put in clarifying the relation between adapter and algorithm, which has no correspondence in the I2C spec terminology. Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2020-01-29docs: i2c: summary: extend introductionLuca Ceresoli1-6/+12
- state the "official" name (I²C, not I2C, according to the spec) at the beginning but keep using the more practical I2C elsewhere - mention some known different names - add link to the specification document Signed-off-by: Luca Ceresoli <luca@lucaceresoli.net> Reviewed-by: Jean Delvare <jdelvare@suse.de> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
2019-07-31docs: i2c: convert to ReST and add to driver-api booksetMauro Carvalho Chehab1-0/+45
Convert each file at I2C subsystem, renaming them to .rst and adding to the driver-api book. Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org> Acked-by: Wolfram Sang <wsa@the-dreams.de> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>