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Geert Uytterhoeven authored
Perform some basic sanity checks on all built-in pinmux tables when DEBUG is defined, to help catching bugs early. For now the following checks are included: - Check register and field widths in descriptors for config registers with variable-width fields, - Check relations between pin groups and functions: - All pin functions must refer to existing pin groups, - All pin groups must be referred to by a pin function, - Warn if a pin group is referred to by multiple pin functions (which is OK for backwards-compatibility aliases), - Provide suggestions for reducing table sizes: reserved fields of more than 3 bits can better be split in smaller subfields, as the storage need is proportional to the square of the width of the (sub)field, Note that a dummy non-matching entry is added to the DT match table for checking r8a7795es1_pinmux_info, as R-Car H3 ES1.0 is matched using soc_device_match() in r8a7795_pinmux_init(), instead of by the DT match table. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
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