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>

diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index bbe5445..b46bda2 100644 (file)
--- 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
@@ -685,6 +698,12 @@ 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;
 }