platform_external_dtc/tests/multilabel.dts
David Gibson f240527e54 Fix bug with references to root node
At present, the lexer token for references to a path doesn't permit a
reference to the root node &{/}.  Fixing the lexer exposes another bug
handling this case.

This patch fixes both bugs and adds testcases.

Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
2014-05-09 20:48:49 +10:00

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/dts-v1/;
m1: mq: /memreserve/ 0 0x1000;
/ {
p0: pw: prop = "foo";
rref = <&{/}>;
/* Explicit phandles */
n1: nx: node1 {
linux,phandle = <0x2000>;
ref = <&{/node2}>; /* reference precedes target */
p1: px: lref = <&ny>;
};
ny: n2: node2 {
p2: py: phandle = <0x1>;
ref = <&{/node1}>; /* reference after target */
lref = <&nx>;
};
/* Implicit phandles */
n3: node3 {
p3: ref = <&{/node4}>;
lref = <&n4>;
};
n4: node4 {
p4: prop;
};
/* Explicit phandle with implicit value */
/* This self-reference is the standard way to tag a node as requiring
* a phandle (perhaps for reference by nodes that will be dynamically
* added) without explicitly allocating it a phandle.
* The self-reference requires some special internal handling, though
* so check it actually works */
n5: nz: node5 {
linux,phandle = <&n5>;
phandle = <&nz>;
n1 = &n1;
n2 = &n2;
n3 = &n3;
};
};