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510d2358c4
Bus-speed could be default(12.5MHz) or defined by users in dts. Dw-i3c-master should not hard-code the initial speed to be I3C_BUS_TYP_I3C_SCL_RATE (12.5MHz) And because of Synopsys's I3C controller limit (hcnt/lcnt register length) and core-clk provided, there is a limit to bus speed, too. For example, when core-clk is 250 MHz, the bus speed cannot be lowered below 1MHz. Tested: tested with an i3c sensor and captured with a logic analyzer. Signed-off-by: Jack Chen <zenghuchen@google.com> Link: https://lore.kernel.org/r/20230216151057.293764-1-zenghuchen@google.com Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com> |
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| block | ||
| certs | ||
| crypto | ||
| Documentation | ||
| drivers | ||
| fs | ||
| include | ||
| init | ||
| io_uring | ||
| ipc | ||
| kernel | ||
| lib | ||
| LICENSES | ||
| mm | ||
| net | ||
| rust | ||
| samples | ||
| scripts | ||
| security | ||
| sound | ||
| tools | ||
| usr | ||
| virt | ||
| .clang-format | ||
| .cocciconfig | ||
| .get_maintainer.ignore | ||
| .gitattributes | ||
| .gitignore | ||
| .mailmap | ||
| .rustfmt.toml | ||
| COPYING | ||
| CREDITS | ||
| Kbuild | ||
| Kconfig | ||
| MAINTAINERS | ||
| Makefile | ||
| README | ||
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.