ARM: dts: Add ethernet and switch to D-Link DIR-685

This adds the Ethernet and Realtek switch device to the
D-Link DIR-685 Gemini-based device.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/arch/arm/boot/dts/gemini-dlink-dir-685.dts b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
index fb5c954..6f258b5 100644 (file)
--- a/arch/arm/boot/dts/gemini-dlink-dir-685.dts
+++ b/arch/arm/boot/dts/gemini-dlink-dir-685.dts
@@ -156,6 +156,100 @@
                };
        };
 
+       /* This is a RealTek RTL8366RB switch and PHY using SMI over GPIO */
+       switch {
+               compatible = "realtek,rtl8366rb";
+               /* 22 = MDIO (has input reads), 21 = MDC (clock, output only) */
+               mdc-gpios = <&gpio0 21 GPIO_ACTIVE_HIGH>;
+               mdio-gpios = <&gpio0 22 GPIO_ACTIVE_HIGH>;
+               reset-gpios = <&gpio0 14 GPIO_ACTIVE_LOW>;
+               realtek,disable-leds;
+
+               switch_intc: interrupt-controller {
+                       /* GPIO 15 provides the interrupt */
+                       interrupt-parent = <&gpio0>;
+                       interrupts = <15 IRQ_TYPE_LEVEL_LOW>;
+                       interrupt-controller;
+                       #address-cells = <0>;
+                       #interrupt-cells = <1>;
+               };
+
+               ports {
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       port@0 {
+                               reg = <0>;
+                               label = "lan0";
+                               phy-handle = <&phy0>;
+                       };
+                       port@1 {
+                               reg = <1>;
+                               label = "lan1";
+                               phy-handle = <&phy1>;
+                       };
+                       port@2 {
+                               reg = <2>;
+                               label = "lan2";
+                               phy-handle = <&phy2>;
+                       };
+                       port@3 {
+                               reg = <3>;
+                               label = "lan3";
+                               phy-handle = <&phy3>;
+                       };
+                       port@4 {
+                               reg = <4>;
+                               label = "wan";
+                               phy-handle = <&phy4>;
+                       };
+                       rtl8366rb_cpu_port: port@5 {
+                               reg = <5>;
+                               label = "cpu";
+                               ethernet = <&gmac0>;
+                               phy-mode = "rgmii";
+                               fixed-link {
+                                       speed = <1000>;
+                                       full-duplex;
+                                       pause;
+                               };
+                       };
+
+               };
+
+               mdio {
+                       compatible = "realtek,smi-mdio";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       phy0: phy@0 {
+                               reg = <0>;
+                               interrupt-parent = <&switch_intc>;
+                               interrupts = <0>;
+                       };
+                       phy1: phy@1 {
+                               reg = <1>;
+                               interrupt-parent = <&switch_intc>;
+                               interrupts = <1>;
+                       };
+                       phy2: phy@2 {
+                               reg = <2>;
+                               interrupt-parent = <&switch_intc>;
+                               interrupts = <2>;
+                       };
+                       phy3: phy@3 {
+                               reg = <3>;
+                               interrupt-parent = <&switch_intc>;
+                               interrupts = <3>;
+                       };
+                       phy4: phy@4 {
+                               reg = <4>;
+                               interrupt-parent = <&switch_intc>;
+                               interrupts = <12>;
+                       };
+               };
+       };
+
        soc {
                flash@30000000 {
                        /*
@@ -223,10 +317,12 @@
                                 * gpio0bgrp cover line 7 used by WPS LED
                                 * gpio0cgrp cover line 8, 13 used by keys
                                 *           and 11, 12 used by the HD LEDs
+                                *           and line 14, 15 used by RTL8366
+                                *           RESET and phy ready
                                 * gpio0egrp cover line 16 used by VDISP
                                 * gpio0fgrp cover line 17 used by TK IRQ
                                 * gpio0ggrp cover line 20 used by panel CS
-                                * gpio0hgrp cover line 21,22 used by RTL8366RB
+                                * gpio0hgrp cover line 21,22 used by RTL8366RB MDIO
                                 */
                                gpio0_default_pins: pinctrl-gpio0 {
                                        mux {
@@ -250,6 +346,32 @@
                                                groups = "gpio1bgrp";
                                        };
                                };
+                               pinctrl-gmii {
+                                       mux {
+                                               function = "gmii";
+                                               groups = "gmii_gmac0_grp";
+                                       };
+                                       conf0 {
+                                               pins = "V8 GMAC0 RXDV", "T10 GMAC1 RXDV",
+                                                    "Y7 GMAC0 RXC", "Y11 GMAC1 RXC",
+                                                    "T8 GMAC0 TXEN", "W11 GMAC1 TXEN",
+                                                    "U8 GMAC0 TXC", "V11 GMAC1 TXC",
+                                                    "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 to 16 mA */
+                                       conf1 {
+                                               groups = "gmii_gmac0_grp";
+                                               drive-strength = <16>;
+                                       };
+                               };
                        };
                };
 
@@ -291,6 +413,22 @@
                                <0x6000 0 0 4 &pci_intc 2>;
                };
 
+               ethernet@60000000 {
+                       status = "okay";
+
+                       ethernet-port@0 {
+                               phy-mode = "rgmii";
+                               fixed-link {
+                                       speed = <1000>;
+                                       full-duplex;
+                                       pause;
+                               };
+                       };
+                       ethernet-port@1 {
+                               /* Not used in this platform */
+                       };
+               };
+
                ata@63000000 {
                        status = "okay";
                };