* [U-Boot] [PATCH] mx6slevk: Fix the power up of the Ethernet PHY
@ 2016-03-11 13:50 Fabio Estevam
2016-03-13 13:45 ` Tom Rini
2016-03-13 13:50 ` Tom Rini
0 siblings, 2 replies; 3+ messages in thread
From: Fabio Estevam @ 2016-03-11 13:50 UTC (permalink / raw)
To: u-boot
From: Fabio Estevam <fabio.estevam@nxp.com>
GPIO4_21 is the LAN8720 power pin, not the LAN8720 reset pin.
Fix that, so that we can have Ethernet functional again.
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
---
board/freescale/mx6slevk/mx6slevk.c | 9 ++++-----
1 file changed, 4 insertions(+), 5 deletions(-)
diff --git a/board/freescale/mx6slevk/mx6slevk.c b/board/freescale/mx6slevk/mx6slevk.c
index 4f816c4..f440ce6 100644
--- a/board/freescale/mx6slevk/mx6slevk.c
+++ b/board/freescale/mx6slevk/mx6slevk.c
@@ -57,7 +57,7 @@ DECLARE_GLOBAL_DATA_PTR;
PAD_CTL_DSE_80ohm | PAD_CTL_HYS | \
PAD_CTL_SRE_FAST)
-#define ETH_PHY_RESET IMX_GPIO_NR(4, 21)
+#define ETH_PHY_POWER IMX_GPIO_NR(4, 21)
int dram_init(void)
{
@@ -154,10 +154,9 @@ static void setup_iomux_fec(void)
{
imx_iomux_v3_setup_multiple_pads(fec_pads, ARRAY_SIZE(fec_pads));
- /* Reset LAN8720 PHY */
- gpio_direction_output(ETH_PHY_RESET , 0);
- udelay(25000);
- gpio_set_value(ETH_PHY_RESET, 1);
+ /* Power up LAN8720 PHY */
+ gpio_direction_output(ETH_PHY_POWER , 1);
+ udelay(15000);
}
#define USDHC1_CD_GPIO IMX_GPIO_NR(4, 7)
--
1.9.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* [U-Boot] [PATCH] mx6slevk: Fix the power up of the Ethernet PHY
2016-03-11 13:50 [U-Boot] [PATCH] mx6slevk: Fix the power up of the Ethernet PHY Fabio Estevam
@ 2016-03-13 13:45 ` Tom Rini
2016-03-13 13:50 ` Tom Rini
1 sibling, 0 replies; 3+ messages in thread
From: Tom Rini @ 2016-03-13 13:45 UTC (permalink / raw)
To: u-boot
On Fri, Mar 11, 2016 at 10:50:22AM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@nxp.com>
>
> GPIO4_21 is the LAN8720 power pin, not the LAN8720 reset pin.
>
> Fix that, so that we can have Ethernet functional again.
>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
--
Tom
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* [U-Boot] [PATCH] mx6slevk: Fix the power up of the Ethernet PHY
2016-03-11 13:50 [U-Boot] [PATCH] mx6slevk: Fix the power up of the Ethernet PHY Fabio Estevam
2016-03-13 13:45 ` Tom Rini
@ 2016-03-13 13:50 ` Tom Rini
1 sibling, 0 replies; 3+ messages in thread
From: Tom Rini @ 2016-03-13 13:50 UTC (permalink / raw)
To: u-boot
On Fri, Mar 11, 2016 at 10:50:22AM -0300, Fabio Estevam wrote:
> From: Fabio Estevam <fabio.estevam@nxp.com>
>
> GPIO4_21 is the LAN8720 power pin, not the LAN8720 reset pin.
>
> Fix that, so that we can have Ethernet functional again.
>
> Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>
Applied to u-boot/master, thanks!
--
Tom
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2016-03-11 13:50 [U-Boot] [PATCH] mx6slevk: Fix the power up of the Ethernet PHY Fabio Estevam
2016-03-13 13:45 ` Tom Rini
2016-03-13 13:50 ` Tom Rini
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