[net: ethernet: stmmac: some fixes and optimizations 4/5] ARM: dts: stm32: adjust slew rate for Ethernet

[Christophe Roullier]

ETH_MDIO slew-rate should be set to "0" instead of "2"

Signed-off-by: Christophe Roullier <christophe.roullier@xxxxxx>
---
 arch/arm/boot/dts/stm32mp157-pinctrl.dtsi | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
index e4a0d51ec3a8..79566d4fb9fc 100644
--- a/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
+++ b/arch/arm/boot/dts/stm32mp157-pinctrl.dtsi
@@ -217,13 +217,18 @@
 						 <STM32_PINMUX('C', 2, AF11)>, /* ETH_RGMII_TXD2 */
 						 <STM32_PINMUX('E', 2, AF11)>, /* ETH_RGMII_TXD3 */
 						 <STM32_PINMUX('B', 11, AF11)>, /* ETH_RGMII_TX_CTL */
-						 <STM32_PINMUX('A', 2, AF11)>, /* ETH_MDIO */
 						 <STM32_PINMUX('C', 1, AF11)>; /* ETH_MDC */
 					bias-disable;
 					drive-push-pull;
-					slew-rate = <3>;
+					slew-rate = <2>;
 				};
 				pins2 {
+					pinmux = <STM32_PINMUX('A', 2, AF11)>; /* ETH_MDIO */
+					bias-disable;
+					drive-push-pull;
+					slew-rate = <0>;
+				};
+				pins3 {
 					pinmux = <STM32_PINMUX('C', 4, AF11)>, /* ETH_RGMII_RXD0 */
 						 <STM32_PINMUX('C', 5, AF11)>, /* ETH_RGMII_RXD1 */
 						 <STM32_PINMUX('B', 0, AF11)>, /* ETH_RGMII_RXD2 */
-- 
2.17.1