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checks: Add an interrupt-map check

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Add a check for parsing 'interrupt-map' properties. The check primarily
tests parsing 'interrupt-map' properties which depends on and the parent
interrupt controller (or another map) node.

Note that this does not require '#address-cells' in the interrupt-map
parent, but treats missing '#address-cells' as 0 which is how the Linux
kernel parses it. There's numerous cases that expect this behavior.

Cc: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Message-Id: <20211015213527.2237774-1-robh@kernel.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Rob Herring 2021-10-15 16:35:26 -05:00 • committed by David Gibson
parent 8fd24744e3
commit 0a3a9d3449
5 changed files with 144 additions and 0 deletions
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19
tests/bad-interrupt-map.dts Normal file
View file

@ -0,0 +1,19 @@
/dts-v1/;
/ {
interrupt-parent = <&intc>;
intc: interrupt-controller {
#interrupt-cells = <3>;
interrupt-controller;
};
node {
/* Missing #address-cells = <0>; */
#interrupt-cells = <1>;
interrupt-map = <1 &intc 1 2 3>;
child {
interrupts = <1>;
};
};
};