ARM: dts: at91: sama7g5ek: disable slew rate for GMACs non MDIO pins

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>
Tested-by: Eugen Hristev <eugen.hristev@microchip.com>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>

diff --git a/arch/arm/dts/sama7g5ek.dts b/arch/arm/dts/sama7g5ek.dts
index 6adb044..ac6f23f 100644 (file)
--- 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;
        };