LAN9221 requires 50ms delay after power up. This patch adds this delay.
Signed-off-by: Alexander Shiyan <shc_work@xxxxxxx>
---
arch/arm/boards/ccxmx51/ccxmx51.c | 4 +++-
1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/arch/arm/boards/ccxmx51/ccxmx51.c b/arch/arm/boards/ccxmx51/ccxmx51.c
index 01e0204..b1c579b 100644
--- a/arch/arm/boards/ccxmx51/ccxmx51.c
+++ b/arch/arm/boards/ccxmx51/ccxmx51.c
@@ -364,8 +364,10 @@ static int ccxmx51_power_init(void)
/* GP02 - LAN9221 Power */
/* GP03 - FEC Reset */
/* GP04 - Wireless Power */
- if (IS_ENABLED(CONFIG_DRIVER_NET_SMC911X) && ccxmx51_id->eth1)
+ if (IS_ENABLED(CONFIG_DRIVER_NET_SMC911X) && ccxmx51_id->eth1) {
val |= (1 << 8);
+ mdelay(50);
+ }
if (IS_ENABLED(CONFIG_DRIVER_NET_FEC_IMX) && ccxmx51_id->eth0)
val |= (1 << 10);
if (ccxmx51_id->wless)
--
1.7.3.4
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