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author | Tom Rini <trini@konsulko.com> | 2015-04-28 12:15:13 -0400 |
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committer | Tom Rini <trini@konsulko.com> | 2015-04-28 12:15:13 -0400 |
commit | e536ab8849b2b4f6d68bbc8e1d1f9bc033db06bd (patch) | |
tree | e5e3a3d5a0bee8a1d9a74deb3990455c40ded6b1 /common | |
parent | cc555bd4f40a652471df4a3621d45ee57df0ca11 (diff) | |
parent | 205d58699b157df75f1aa0b363ea9c21add21a0c (diff) | |
download | u-boot-e536ab8849b2b4f6d68bbc8e1d1f9bc033db06bd.zip u-boot-e536ab8849b2b4f6d68bbc8e1d1f9bc033db06bd.tar.gz u-boot-e536ab8849b2b4f6d68bbc8e1d1f9bc033db06bd.tar.bz2 |
Merge branch 'master' of git://www.denx.de/git/u-boot-imx
Diffstat (limited to 'common')
-rw-r--r-- | common/fdt_support.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c index 8266bca..c5ed5ad 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -1560,3 +1560,32 @@ int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width, return 0; } + +/* + * Update native-mode in display-timings from display environment variable. + * The node to update are specified by path. + */ +int fdt_fixup_display(void *blob, const char *path, const char *display) +{ + int off, toff; + + if (!display || !path) + return -FDT_ERR_NOTFOUND; + + toff = fdt_path_offset(blob, path); + if (toff >= 0) + toff = fdt_subnode_offset(blob, toff, "display-timings"); + if (toff < 0) + return toff; + + for (off = fdt_first_subnode(blob, toff); + off >= 0; + off = fdt_next_subnode(blob, off)) { + uint32_t h = fdt_get_phandle(blob, off); + debug("%s:0x%x\n", fdt_get_name(blob, off, NULL), + fdt32_to_cpu(h)); + if (strcasecmp(fdt_get_name(blob, off, NULL), display) == 0) + return fdt_setprop_u32(blob, toff, "native-mode", h); + } + return toff; +} |