Enable the power to the USB port only when the USB port is really needed.
Do not enable the power unconditionally.
Signed-off-by: Marek Vasut <ma...@denx.de>
Cc: Stefano Babic <sba...@denx.de>
---
board/olimex/mx23_olinuxino/mx23_olinuxino.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/board/olimex/mx23_olinuxino/mx23_olinuxino.c
b/board/olimex/mx23_olinuxino/mx23_olinuxino.c
index e2a03a1..65cbbf1 100644
--- a/board/olimex/mx23_olinuxino/mx23_olinuxino.c
+++ b/board/olimex/mx23_olinuxino/mx23_olinuxino.c
@@ -30,13 +30,25 @@ int board_early_init_f(void)
/* SSP0 clock at 96MHz */
mxs_set_sspclk(MXC_SSPCLK0, 96000, 0);
+ return 0;
+}
+
#ifdef CONFIG_CMD_USB
- /* Enable LAN9512 */
+int board_ehci_hcd_init(int port)
+{
+ /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */
gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 1);
-#endif
+ udelay(100);
+ return 0;
+}
+int board_ehci_hcd_exit(int port)
+{
+ /* Enable LAN9512 (Maxi) or GL850G (Mini) USB HUB power. */
+ gpio_direction_output(MX23_PAD_GPMI_ALE__GPIO_0_17, 0);
return 0;
}
+#endif
int dram_init(void)
{
--
1.9.2
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