[RFC 4/4] ARM: dts: imx28: Add description for L2 switch on XEA board

From: Lukasz Majewski
Date: Wed Nov 25 2020 - 18:26:08 EST


The 'eth_switch' node is now used to enable support for L2 switch.
Moreover, a separate 'switch' node was introduced to keep the code more
clean.

Signed-off-by: Lukasz Majewski <lukma@xxxxxxx>
---
arch/arm/boot/dts/imx28-xea.dts | 55 +++++++++++++++++++++++++++++++++
1 file changed, 55 insertions(+)

diff --git a/arch/arm/boot/dts/imx28-xea.dts b/arch/arm/boot/dts/imx28-xea.dts
index 672080485b78..b8a896df02c0 100644
--- a/arch/arm/boot/dts/imx28-xea.dts
+++ b/arch/arm/boot/dts/imx28-xea.dts
@@ -9,6 +9,30 @@

/ {
model = "XEA";
+
+ switch {
+ compatible = "imx,mtip-l2switch";
+ reg = <0x800f8000 0x400>, <0x800fC000 0x4000>;
+ ports {
+ port0@0 {
+ reg = <0>;
+ label = "lan1";
+ phy-handle = <&ethsw0>;
+ };
+
+ port1@1 {
+ reg = <1>;
+ label = "lan2";
+ phy-handle = <&ethsw1>;
+ };
+
+ port2@2 {
+ reg = <2>;
+ label = "cpu";
+ ethernet = <&eth_switch>;
+ };
+ };
+ };
};

&can0 {
@@ -23,6 +47,37 @@
status = "okay";
};

+&eth_switch {
+ compatible = "fsl,imx28-l2switch";
+ reg = <0x800f0000 0x8000>, <0x800f8400 0x400>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&mac0_pins_a>, <&mac1_pins_a>;
+ phy-mode = "rmii";
+ phy-supply = <&reg_fec_3v3>;
+ phy-reset-gpios = <&gpio2 13 0>;
+ phy-reset-duration = <100>;
+ interrupts = <100>, <101>, <102>;
+ clocks = <&clks 57>, <&clks 57>, <&clks 64>, <&clks 35>;
+ clock-names = "ipg", "ahb", "enet_out", "ptp";
+ local-mac-address = [ 00 11 22 AA BB CC ];
+ status = "okay";
+
+ fixed-link {
+ speed = <100>;
+ full-duplex;
+ };
+
+ mdio {
+ ethsw0: ethernet-phy@0 {
+ reg = <0>;
+ };
+
+ ethsw1: ethernet-phy@1 {
+ reg = <1>;
+ };
+ };
+};
+
&pinctrl {
pinctrl-names = "default";
pinctrl-0 = <&hog_pins_a &hog_pins_tiva>;
--
2.20.1