ARM: dts: imx6: RDU2: Add Switch interrupts

The Marvell switch has its interrupt pin connected to a GPIO
line. Wire this up in the device tree. This then allows us to use
interrupts from the embedded Ethernet PHYs in the switch. Also wire
them up in device tree.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Tested-by: Chris Healy <cphealy@gmail.com>
Reviewed-by: Fabio Estevam <fabio.estevam@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

diff --git a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
index d67bf81..83f311a 100644 (file)
--- a/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
+++ b/arch/arm/boot/dts/imx6qdl-zii-rdu2.dtsi
@@ -630,13 +630,19 @@
                #size-cells = <0>;
                status = "okay";
 
-               switch@0 {
+               switch: switch@0 {
                        compatible = "marvell,mv88e6085";
+                       pinctrl-0 = <&pinctrl_switch_irq>;
+                       pinctrl-names = "default";
                        #address-cells = <1>;
                        #size-cells = <0>;
                        reg = <0>;
                        dsa,member = <0 0>;
                        eeprom-length = <512>;
+                       interrupt-parent = <&gpio6>;
+                       interrupts = <3 IRQ_TYPE_EDGE_FALLING>;
+                       interrupt-controller;
+                       #interrupt-cells = <2>;
 
                        ports {
                                #address-cells = <1>;
@@ -645,11 +651,13 @@
                                port@0 {
                                        reg = <0>;
                                        label = "gigabit_proc";
+                                       phy-handle = <&switchphy0>;
                                };
 
                                port@1 {
                                        reg = <1>;
                                        label = "netaux";
+                                       phy-handle = <&switchphy1>;
                                };
 
                                port@2 {
@@ -666,11 +674,48 @@
                                port@3 {
                                        reg = <3>;
                                        label = "netright";
+                                       phy-handle = <&switchphy3>;
                                };
 
                                port@4 {
                                        reg = <4>;
                                        label = "netleft";
+                                       phy-handle = <&switchphy4>;
+                               };
+                       };
+
+                       mdio {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               switchphy0: switchphy@0 {
+                                       reg = <0>;
+                                       interrupt-parent = <&switch>;
+                                       interrupts = <0 IRQ_TYPE_LEVEL_HIGH>;
+                               };
+
+                               switchphy1: switchphy@1 {
+                                       reg = <1>;
+                                       interrupt-parent = <&switch>;
+                                       interrupts = <1 IRQ_TYPE_LEVEL_HIGH>;
+                               };
+
+                               switchphy2: switchphy@2 {
+                                       reg = <2>;
+                                       interrupt-parent = <&switch>;
+                                       interrupts = <2 IRQ_TYPE_LEVEL_HIGH>;
+                               };
+
+                               switchphy3: switchphy@3 {
+                                       reg = <3>;
+                                       interrupt-parent = <&switch>;
+                                       interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
+                               };
+
+                               switchphy4: switchphy@4 {
+                                       reg = <4>;
+                                       interrupt-parent = <&switch>;
+                                       interrupts = <4 IRQ_TYPE_LEVEL_HIGH>;
                                };
                        };
                };
@@ -891,6 +936,12 @@
                >;
        };
 
+       pinctrl_switch_irq: switchgrp {
+               fsl,pins = <
+                       MX6QDL_PAD_CSI0_DAT17__GPIO6_IO03       0x4001b000
+               >;
+       };
+
        pinctrl_tc358767: tc358767grp {
                fsl,pins = <
                        MX6QDL_PAD_GPIO_9__GPIO1_IO09           0x10