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 d67bf81524a289a1888159dc8d8d80f218d728a1..83f311a51cca0ba0a451eb541e644f004cef971e 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