* [PATCH 1/2] ARM: dts: imx6qdl: phycore: Set phy-reset-duration for fec
@ 2019-07-02 13:03 Stefan Riedmueller
2019-07-02 13:03 ` [PATCH 2/2] ARM: dts: imx6ul: phycore: Reduce eth drive strength Stefan Riedmueller
2019-07-04 6:53 ` [PATCH 1/2] ARM: dts: imx6qdl: phycore: Set phy-reset-duration for fec Sascha Hauer
0 siblings, 2 replies; 3+ messages in thread
From: Stefan Riedmueller @ 2019-07-02 13:03 UTC (permalink / raw)
To: barebox
The voltage of the ethernet phy needs to be stable before de-asserting
the reset pin. Thus set the phy-reset-duration to 10 ms.
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
---
arch/arm/dts/imx6qdl-phytec-phycore-som.dtsi | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/arm/dts/imx6qdl-phytec-phycore-som.dtsi b/arch/arm/dts/imx6qdl-phytec-phycore-som.dtsi
index 8fde27bd0c17..1d39368165db 100644
--- a/arch/arm/dts/imx6qdl-phytec-phycore-som.dtsi
+++ b/arch/arm/dts/imx6qdl-phytec-phycore-som.dtsi
@@ -110,6 +110,7 @@
phy-handle = <ðphy>;
phy-mode = "rgmii";
phy-reset-gpios = <&gpio1 14 GPIO_ACTIVE_LOW>;
+ phy-reset-duration = <10>; /* in msecs */
status = "disabled";
mdio {
--
2.7.4
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^ permalink raw reply [flat|nested] 3+ messages in thread* [PATCH 2/2] ARM: dts: imx6ul: phycore: Reduce eth drive strength
2019-07-02 13:03 [PATCH 1/2] ARM: dts: imx6qdl: phycore: Set phy-reset-duration for fec Stefan Riedmueller
@ 2019-07-02 13:03 ` Stefan Riedmueller
2019-07-04 6:53 ` [PATCH 1/2] ARM: dts: imx6qdl: phycore: Set phy-reset-duration for fec Sascha Hauer
1 sibling, 0 replies; 3+ messages in thread
From: Stefan Riedmueller @ 2019-07-02 13:03 UTC (permalink / raw)
To: barebox
Reduce the drive strength for the MDC, MDIO and TX pins of fec1 to improve
signal quality and EMC. Also disable internal pull ups on the MDC and
MDIO pins.
Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
---
arch/arm/dts/imx6ul-phytec-phycore-som.dtsi | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm/dts/imx6ul-phytec-phycore-som.dtsi b/arch/arm/dts/imx6ul-phytec-phycore-som.dtsi
index 0ec7eae1eff0..c7c657bcd409 100644
--- a/arch/arm/dts/imx6ul-phytec-phycore-som.dtsi
+++ b/arch/arm/dts/imx6ul-phytec-phycore-som.dtsi
@@ -159,16 +159,16 @@
pinctrl_enet1: enet1grp {
fsl,pins = <
- MX6UL_PAD_GPIO1_IO07__ENET1_MDC 0x1b0b0
- MX6UL_PAD_GPIO1_IO06__ENET1_MDIO 0x1b0b0
+ MX6UL_PAD_GPIO1_IO07__ENET1_MDC 0x10010
+ MX6UL_PAD_GPIO1_IO06__ENET1_MDIO 0x10010
MX6UL_PAD_ENET1_RX_EN__ENET1_RX_EN 0x1b0b0
MX6UL_PAD_ENET1_RX_ER__ENET1_RX_ER 0x1b0b0
MX6UL_PAD_ENET1_RX_DATA0__ENET1_RDATA00 0x1b0b0
MX6UL_PAD_ENET1_RX_DATA1__ENET1_RDATA01 0x1b0b0
- MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b0b0
- MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b0b0
- MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b0b0
- MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b031
+ MX6UL_PAD_ENET1_TX_EN__ENET1_TX_EN 0x1b010
+ MX6UL_PAD_ENET1_TX_DATA0__ENET1_TDATA00 0x1b010
+ MX6UL_PAD_ENET1_TX_DATA1__ENET1_TDATA01 0x1b010
+ MX6UL_PAD_ENET1_TX_CLK__ENET1_REF_CLK1 0x4001b010
>;
};
--
2.7.4
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^ permalink raw reply [flat|nested] 3+ messages in thread* Re: [PATCH 1/2] ARM: dts: imx6qdl: phycore: Set phy-reset-duration for fec
2019-07-02 13:03 [PATCH 1/2] ARM: dts: imx6qdl: phycore: Set phy-reset-duration for fec Stefan Riedmueller
2019-07-02 13:03 ` [PATCH 2/2] ARM: dts: imx6ul: phycore: Reduce eth drive strength Stefan Riedmueller
@ 2019-07-04 6:53 ` Sascha Hauer
1 sibling, 0 replies; 3+ messages in thread
From: Sascha Hauer @ 2019-07-04 6:53 UTC (permalink / raw)
To: Stefan Riedmueller; +Cc: barebox
On Tue, Jul 02, 2019 at 03:03:49PM +0200, Stefan Riedmueller wrote:
> The voltage of the ethernet phy needs to be stable before de-asserting
> the reset pin. Thus set the phy-reset-duration to 10 ms.
>
> Signed-off-by: Stefan Riedmueller <s.riedmueller@phytec.de>
> ---
> arch/arm/dts/imx6qdl-phytec-phycore-som.dtsi | 1 +
> 1 file changed, 1 insertion(+)
Applied, thanks
Sascha
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2019-07-02 13:03 [PATCH 1/2] ARM: dts: imx6qdl: phycore: Set phy-reset-duration for fec Stefan Riedmueller
2019-07-02 13:03 ` [PATCH 2/2] ARM: dts: imx6ul: phycore: Reduce eth drive strength Stefan Riedmueller
2019-07-04 6:53 ` [PATCH 1/2] ARM: dts: imx6qdl: phycore: Set phy-reset-duration for fec Sascha Hauer
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