From: Vignesh R <vigne...@ti.com>
Enable USB clocks in late init stage to support ports under DM_USB.
Signed-off-by: Vignesh R <vigne...@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhib...@ti.com>
---
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;
}
--
2.7.4
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