ARM: dts: Add WAN ethernet port to the SQ201

This sets up the ethernet interface and PHY for the
WAN ethernet port which uses a Marvell PHY.

Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

diff --git a/arch/arm/boot/dts/gemini-sq201.dts b/arch/arm/boot/dts/gemini-sq201.dts
index e5cf9d1a98cd4f27da7e557c423acf57955bf1e2..a57a03e2953bcfe1d8804cb122592f1065c25708 100644 (file)
--- a/arch/arm/boot/dts/gemini-sq201.dts
+++ b/arch/arm/boot/dts/gemini-sq201.dts
@@ -55,6 +55,20 @@
                };
        };
 
+       mdio0: mdio {
+               compatible = "virtual,mdio-gpio";
+               /* Uses MDC and MDIO */
+               gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>, /* MDC */
+                       <&gpio0 21 GPIO_ACTIVE_HIGH>; /* MDIO */
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               /* This is a Marvell 88E1111 ethernet transciever */
+               phy0: ethernet-phy@1 {
+                       reg = <1>;
+               };
+       };
+
        soc {
                flash@30000000 {
                        /*
@@ -108,6 +122,7 @@
                                /*
                                 * gpio0fgrp cover line 18 used by reset button
                                 * gpio0ggrp cover line 20 used by info LED
+                                * gpio0hgrp cover line 21, 22 used by MDIO for Marvell PHY
                                 * gpio0kgrp cover line 31 used by USB LED
                                 */
                                gpio0_default_pins: pinctrl-gpio0 {
@@ -115,9 +130,66 @@
                                                function = "gpio0";
                                                groups = "gpio0fgrp",
                                                "gpio0ggrp",
+                                               "gpio0hgrp",
                                                "gpio0kgrp";
                                        };
                                };
+                               pinctrl-gmii {
+                                       mux {
+                                               function = "gmii";
+                                               groups = "gmii_gmac0_grp", "gmii_gmac1_grp";
+                                       };
+                                       /* Settings come from memory dump in PLATO */
+                                       conf0 {
+                                               pins = "V8 GMAC0 RXDV";
+                                               skew-delay = <0>;
+                                       };
+                                       conf1 {
+                                               pins = "Y7 GMAC0 RXC";
+                                               skew-delay = <15>;
+                                       };
+                                       conf2 {
+                                               pins = "T8 GMAC0 TXEN";
+                                               skew-delay = <7>;
+                                       };
+                                       conf3 {
+                                               pins = "U8 GMAC0 TXC";
+                                               skew-delay = <10>;
+                                       };
+                                       conf4 {
+                                               pins = "T10 GMAC1 RXDV";
+                                               skew-delay = <7>;
+                                       };
+                                       conf5 {
+                                               pins = "Y11 GMAC1 RXC";
+                                               skew-delay = <8>;
+                                       };
+                                       conf6 {
+                                               pins = "W11 GMAC1 TXEN";
+                                               skew-delay = <7>;
+                                       };
+                                       conf7 {
+                                               pins = "V11 GMAC1 TXC";
+                                               skew-delay = <5>;
+                                       };
+                                       conf8 {
+                                               /* The data lines all have default skew */
+                                               pins = "W8 GMAC0 RXD0", "V9 GMAC0 RXD1",
+                                                      "Y8 GMAC0 RXD2", "U9 GMAC0 RXD3",
+                                                      "T7 GMAC0 TXD0", "U6 GMAC0 TXD1",
+                                                      "V7 GMAC0 TXD2", "U7 GMAC0 TXD3",
+                                                      "Y12 GMAC1 RXD0", "V12 GMAC1 RXD1",
+                                                      "T11 GMAC1 RXD2", "W12 GMAC1 RXD3",
+                                                      "U10 GMAC1 TXD0", "Y10 GMAC1 TXD1",
+                                                      "W10 GMAC1 TXD2", "T9 GMAC1 TXD3";
+                                               skew-delay = <7>;
+                                       };
+                                       /* Set up drive strength on GMAC0 and GMAC1 to 16 mA */
+                                       conf9 {
+                                               groups = "gmii_gmac0_grp", "gmii_gmac1_grp";
+                                               drive-strength = <16>;
+                                       };
+                               };
                        };
                };
 
@@ -154,6 +226,18 @@
                                <0x6000 0 0 4 &pci_intc 2>;
                };
 
+               ethernet@60000000 {
+                       status = "okay";
+
+                       ethernet-port@0 {
+                               phy-mode = "rgmii";
+                               phy-handle = <&phy0>;
+                       };
+                       ethernet-port@1 {
+                               /* Used for the Vitesse G5 chip, add later */
+                       };
+               };
+
                ata@63000000 {
                        status = "okay";
                };