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| author | Anton Vorontsov <avorontsov@ru.mvista.com> | 2008-03-14 23:20:18 +0300 |
|---|---|---|
| committer | Kim Phillips <kim.phillips@freescale.com> | 2008-03-25 19:19:39 -0500 |
| commit | 18e69a35efbb078403db0c0063986470dad7d082 (patch) | |
| tree | 0b771e000e8dbd7f4e9d350ae5990674d8aa7ec8 /common | |
| parent | c7604783b236e368f225efb7b3efb418fe20b404 (diff) | |
| download | u-boot-imx-18e69a35efbb078403db0c0063986470dad7d082.zip u-boot-imx-18e69a35efbb078403db0c0063986470dad7d082.tar.gz u-boot-imx-18e69a35efbb078403db0c0063986470dad7d082.tar.bz2 | |
83xx/fdt_support: let user specifiy FSL USB Dual-Role controller role
Linux understands "host" (default), "peripheral" and "otg" (broken).
Though, U-Boot doesn't restrict dr_mode variable to these values (think
of renames in future).
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Diffstat (limited to 'common')
| -rw-r--r-- | common/fdt_support.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/common/fdt_support.c b/common/fdt_support.c index 36e1469..7507744 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -422,3 +422,28 @@ void fdt_fixup_ethernet(void *fdt, bd_t *bd) } } #endif + +#ifdef CONFIG_HAS_FSL_DR_USB +void fdt_fixup_dr_usb(void *blob, bd_t *bd) +{ + char *mode; + const char *compat = "fsl-usb2-dr"; + const char *prop = "dr_mode"; + int node_offset; + int err; + + mode = getenv("usb_dr_mode"); + if (!mode) + return; + + node_offset = fdt_node_offset_by_compatible(blob, 0, compat); + if (node_offset < 0) + printf("WARNING: could not find compatible node %s: %s.\n", + compat, fdt_strerror(node_offset)); + + err = fdt_setprop(blob, node_offset, prop, mode, strlen(mode) + 1); + if (err < 0) + printf("WARNING: could not set %s for %s: %s.\n", + prop, compat, fdt_strerror(err)); +} +#endif /* CONFIG_HAS_FSL_DR_USB */ |