From c3cd5fc870ab4c89316c5caeb8f6f09088e44956 Mon Sep 17 00:00:00 2001 From: Vignesh R Date: Thu, 29 Nov 2018 10:57:42 +0100 Subject: [PATCH] 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 Signed-off-by: Jean-Jacques Hiblot Reviewed-by: Tom Rini --- 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 177a3246c3..8c24d17123 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; } -- 2.25.1