of/address: Add support for 3 address cell bus

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There's a few custom bus bindings (e.g. fsl,qoriq-mc) which use a
3 cell format with custom flags in the high cell. We can match these
buses as a fallback if we didn't match on PCI bus which is the only
standard bus binding with 3 address cells.

Link: https://lore.kernel.org/r/20230328-dt-address-helpers-v1-3-e2456c3e77ab@kernel.org
Signed-off-by: Rob Herring <robh@kernel.org>

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Rob Herring 2023-03-28 15:15:58 -05:00

parent c75a794918

commit 3d5089c426

3 changed files with 87 additions and 2 deletions

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22

drivers/of/address.c

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9

drivers/of/unittest-data/tests-address.dtsi

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58

drivers/of/unittest.c

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