Non GMAC's MDIO pins should have slew rate disabled for R(G)MII modes. Set them accordingly in DT.
Signed-off-by: Codrin Ciubotariu codrin.ciubotariu@microchip.com --- arch/arm/dts/sama7g5ek.dts | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-)
diff --git a/arch/arm/dts/sama7g5ek.dts b/arch/arm/dts/sama7g5ek.dts index 6adb044258..ac6f23f64e 100644 --- a/arch/arm/dts/sama7g5ek.dts +++ b/arch/arm/dts/sama7g5ek.dts @@ -125,7 +125,9 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_gmac0_default &pinctrl_gmac0_txc_default>; + pinctrl-0 = <&pinctrl_gmac0_default + &pinctrl_gmac0_mdio_default + &pinctrl_gmac0_txc_default>; phy-mode = "rgmii-id"; status = "okay";
@@ -138,7 +140,7 @@ #address-cells = <1>; #size-cells = <0>; pinctrl-names = "default"; - pinctrl-0 = <&pinctrl_gmac1_default>; + pinctrl-0 = <&pinctrl_gmac1_default &pinctrl_gmac1_mdio_default>; phy-mode = "rmii"; status = "okay";
@@ -235,14 +237,20 @@ <PIN_PA15__G0_TXEN>, <PIN_PA30__G0_RXCK>, <PIN_PA18__G0_RXDV>, - <PIN_PA22__G0_MDC>, - <PIN_PA23__G0_MDIO>, <PIN_PA25__G0_125CK>; + slew-rate = <0>; + bias-disable; + }; + + pinctrl_gmac0_mdio_default: gmac0_mdio_default { + pinmux = <PIN_PA22__G0_MDC>, + <PIN_PA23__G0_MDIO>; bias-disable; };
pinctrl_gmac0_txc_default: gmac0_txc_default { pinmux = <PIN_PA24__G0_TXCK>; + slew-rate = <0>; bias-pull-up; };
@@ -254,8 +262,13 @@ <PIN_PD25__G1_RX0>, <PIN_PD26__G1_RX1>, <PIN_PD27__G1_RXER>, - <PIN_PD24__G1_RXDV>, - <PIN_PD28__G1_MDC>, + <PIN_PD24__G1_RXDV>; + slew-rate = <0>; + bias-disable; + }; + + pinctrl_gmac1_mdio_default: gmac1_mdio_default { + pinmux = <PIN_PD28__G1_MDC>, <PIN_PD29__G1_MDIO>; bias-disable; };