board; ti: am57xx: turn on USB clocks

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>
Reviewed-by: Tom Rini <trini@konsulko.com>

diff --git a/board/ti/am57xx/board.c b/board/ti/am57xx/board.c
index 177a324..8c24d17 100644 (file)
--- 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;
 }