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When using the new CPG/MSSR bindings, there is no longer a "renesas,rcar-gen2-cpg-clocks" node, and the code to obtain the external clock crystal frequency falls back to a default of 20 MHz. While this is correct for all upstream R-Car Gen2 and RZ/G1 boards, this is not necessarily the case for out-of-tree third party boards. Add support for finding the external clock crystal oscillator on RZ/G1M, and on R-Car H2, M2-W, and M2-N using the new CPG/MSSR bindings, through the corresponding "renesas,r8a77xx-cpg-mssr" nodes. Note that this is not needed on R-Car V2H and E2, and on RZ/G1E, as on those SoCs the arch_timer and generic counter clock is derived from the ZS clock instead. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
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.