For USB ports that use the Driver Model, turn on the clocks during the
late init stage.
Signed-off-by: Jean-Jacques Hiblot <jjhib...@ti.com>
Reviewed-by: Tom Rini <tr...@konsulko.com>
---
Changes in v4: None
Changes in v3: None
Changes in v2: None
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 06f061c..c1e1b8e 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -647,6 +647,19 @@ 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
@@ -686,6 +699,12 @@ 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;
}
--
2.7.4
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