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[ Upstream commit 189927e719e36ceefbb8037f23d3849e47833aef ] Add support for specifying the xtal load capacitance in the DT node. The pcf8523 supports xtal load capacitance of 7pF or 12.5pF. If the rtc has the wrong configuration the time will drift several hours/week. The driver use the default value 12.5pF. The DT may specify either 7000fF or 12500fF. (The DT uses femto Farad to avoid decimal numbers). Other values are warned and the driver uses the default value. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Cc: Alessandro Zummo <a.zummo@towertech.it> Cc: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.