From: Vignesh R vigneshr@ti.com
Enable USB clocks in late init stage to support ports under DM_USB.
Signed-off-by: Vignesh R vigneshr@ti.com
Signed-off-by: Jean-Jacques Hiblot jjhiblot@ti.com ---
Changes in v8: None Changes in v7: None Changes in v6: None Changes in v5: None Changes in v4: None Changes in v3: None Changes in v2: - am57xx boards: when DM_USB is used, turn on the required USB clocks
board/ti/am57xx/board.c | 19 +++++++++++++++++++ 1 file changed, 19 insertions(+)
diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c index 177a324..8c24d17 100644 --- a/board/ti/am57xx/board.c +++ b/board/ti/am57xx/board.c @@ -675,6 +675,19 @@ out: return; }
+#if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL) +static int device_okay(const char *path) +{ + int node; + + node = fdt_path_offset(gd->fdt_blob, path); + if (node < 0) + return 0; + + return fdtdec_get_is_enabled(gd->fdt_blob, node); +} +#endif + int board_late_init(void) { setup_board_eeprom_env(); @@ -714,6 +727,12 @@ int board_late_init(void) board_ti_set_ethaddr(2); #endif
+#if CONFIG_IS_ENABLED(DM_USB) && CONFIG_IS_ENABLED(OF_CONTROL) + if (device_okay("/ocp/omap_dwc3_1@48880000")) + enable_usb_clocks(0); + if (device_okay("/ocp/omap_dwc3_2@488c0000")) + enable_usb_clocks(1); +#endif return 0; }