From 24e261b39cc7d1abf3b03f5a554423cc1d27a986 Mon Sep 17 00:00:00 2001
From: Jean-Jacques Hiblot <jjhiblot@ti.com>
Date: Thu, 29 Nov 2018 10:57:41 +0100
Subject: [PATCH] board: ti: dra7xx-evm: turn on USB clocks in late init stage
For USB ports that use the Driver Model, turn on the clocks during the
late init stage.
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
---
board/ti/dra7xx/evm.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index bbe54450ae..b46bda2579 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -646,6 +646,19 @@ int dram_init_banksize(void)
return 0;
}
+#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)
{
#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
@@ -684,6 +697,12 @@ int board_late_init(void)
*/
if (board_is_dra71x_evm())
palmas_i2c_write_u8(LP873X_I2C_SLAVE_ADDR, 0x9, 0x7);
+#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;
}
--
2.39.5