[PATCH v3 3/3] ARM: dts: mvebu: add device tree for netgear gs110emx switch

Marcel Ziswiler
2021-10-07T20:57:36Z

Add the device tree for a Netgear GS110EMX switch featuring 8 Gigabit
ports and 2 Multi-Gig ports (100M/1G/2.5G/5G/10G). An 88E6390X switch
sits at its core connecting to two 88X3310P 10G PHYs. The control plane
is handled by an 88F6811 Armada 381 SoC.

The following functionality is tested:
- 8 gigabit Ethernet ports connecting via 88E6390X to the 88F6811
- serial console UART
- 128 MB commercial grade DDR3L SDRAM
- 16 MB serial SPI NOR flash

The two 88X3310P 10G PHYs while detected during boot seem neither to
detect any link nor pass any traffic.

Signed-off-by: Marcel Ziswiler <marcel@ziswiler.com>

---

Changes in v3:
- Got rid of unused 3.3 volt regulator as suggested by Andrew.
- Got rid of partitioning comment.
- Added switch interrupt GPIO configuration.

Changes in v2:
- Send previous first patch separately to netdev mailing list as
suggested by Andrew.
- Fix numbering of the PHY labels as suggested by Andrew.

arch/arm/boot/dts/Makefile | 1 +
.../boot/dts/armada-381-netgear-gs110emx.dts | 295 ++++++++++++++++++
2 files changed, 296 insertions(+)
create mode 100644 arch/arm/boot/dts/armada-381-netgear-gs110emx.dts

diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
index 2deb4b1ecaecd..699e2d2230127 100644
--- a/arch/arm/boot/dts/Makefile
+++ b/arch/arm/boot/dts/Makefile
@@ -1395,6 +1395,7 @@ dtb-$(CONFIG_MACH_ARMADA_370) += \
dtb-$(CONFIG_MACH_ARMADA_375) += \
armada-375-db.dtb
dtb-$(CONFIG_MACH_ARMADA_38X) += \
+ armada-381-netgear-gs110emx.dtb \
armada-382-rd-ac3x-48g4x2xl.dtb \
armada-385-atl-x530.dtb\
armada-385-clearfog-gtr-s4.dtb \
diff --git a/arch/arm/boot/dts/armada-381-netgear-gs110emx.dts b/arch/arm/boot/dts/armada-381-netgear-gs110emx.dts
new file mode 100644
index 0000000000000..0a961116a1f9d
--- /dev/null
+++ b/arch/arm/boot/dts/armada-381-netgear-gs110emx.dts
@@ -0,0 +1,295 @@
+// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
+/* Copyright (c) 2021, Marcel Ziswiler <marcel@ziswiler.com> */
+
+/dts-v1/;
+#include "armada-385.dtsi"
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/input.h>
+
+/ {
+ model = "Netgear GS110EMX";
+ compatible = "netgear,gs110emx", "marvell,armada380";
+
+ aliases {
+ /* So that mvebu u-boot can update the MAC addresses */
+ ethernet1 = &eth0;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys";
+ pinctrl-0 = <&front_button_pins>;
+ pinctrl-names = "default";
+
+ factory_default {
+ label = "Factory Default";
+ gpios = <&gpio1 6 GPIO_ACTIVE_LOW>;
+ linux,code = <KEY_RESTART>;
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x00000000 0x08000000>; /* 128 MB */
+ };
+
+ soc {
+ ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
+ MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000
+ MBUS_ID(0x09, 0x19) 0 0xf1100000 0x10000
+ MBUS_ID(0x09, 0x15) 0 0xf1110000 0x10000
+ MBUS_ID(0x0c, 0x04) 0 0xf1200000 0x100000>;
+
+ internal-regs {
+ rtc@a3800 {
+ /*
+ * If the rtc doesn't work, run "date reset"
+ * twice in u-boot.
+ */
+ status = "okay";
+ };
+ };
+ };
+};
+
+&eth0 {
+ /* ethernet@70000 */
+ bm,pool-long = <0>;
+ bm,pool-short = <1>;
+ buffer-manager = <&bm>;
+ phy-mode = "rgmii-id";
+ pinctrl-0 = <&ge0_rgmii_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ fixed-link {
+ full-duplex;
+ pause;
+ speed = <1000>;
+ };
+};
+
+&mdio {
+ pinctrl-names = "default";
+ pinctrl-0 = <&mdio_pins>;
+ status = "okay";
+
+ switch@0 {
+ compatible = "marvell,mv88e6190";
+ #address-cells = <1>;
+ #interrupt-cells = <2>;
+ interrupt-controller;
+ interrupt-parent = <&gpio1>;
+ interrupts = <7 IRQ_TYPE_LEVEL_LOW>;
+ pinctrl-0 = <&switch_interrupt_pins>;
+ pinctrl-names = "default";
+ #size-cells = <0>;
+ reg = <0>;
+
+ mdio {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ switch0phy1: switch0phy1@1 {
+ reg = <0x1>;
+ };
+
+ switch0phy2: switch0phy2@2 {
+ reg = <0x2>;
+ };
+
+ switch0phy3: switch0phy3@3 {
+ reg = <0x3>;
+ };
+
+ switch0phy4: switch0phy4@4 {
+ reg = <0x4>;
+ };
+
+ switch0phy5: switch0phy5@5 {
+ reg = <0x5>;
+ };
+
+ switch0phy6: switch0phy6@6 {
+ reg = <0x6>;
+ };
+
+ switch0phy7: switch0phy7@7 {
+ reg = <0x7>;
+ };
+
+ switch0phy8: switch0phy8@8 {
+ reg = <0x8>;
+ };
+ };
+
+ mdio-external {
+ compatible = "marvell,mv88e6xxx-mdio-external";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ phy1: ethernet-phy@b {
+ reg = <0xb>;
+ compatible = "ethernet-phy-ieee802.3-c45";
+ };
+
+ phy2: ethernet-phy@c {
+ reg = <0xc>;
+ compatible = "ethernet-phy-ieee802.3-c45";
+ };
+ };
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ ethernet = <&eth0>;
+ label = "cpu";
+ reg = <0>;
+
+ fixed-link {
+ full-duplex;
+ pause;
+ speed = <1000>;
+ };
+ };
+
+ port@1 {
+ label = "lan1";
+ phy-handle = <&switch0phy1>;
+ reg = <1>;
+ };
+
+ port@2 {
+ label = "lan2";
+ phy-handle = <&switch0phy2>;
+ reg = <2>;
+ };
+
+ port@3 {
+ label = "lan3";
+ phy-handle = <&switch0phy3>;
+ reg = <3>;
+ };
+
+ port@4 {
+ label = "lan4";
+ phy-handle = <&switch0phy4>;
+ reg = <4>;
+ };
+
+ port@5 {
+ label = "lan5";
+ phy-handle = <&switch0phy5>;
+ reg = <5>;
+ };
+
+ port@6 {
+ label = "lan6";
+ phy-handle = <&switch0phy6>;
+ reg = <6>;
+ };
+
+ port@7 {
+ label = "lan7";
+ phy-handle = <&switch0phy7>;
+ reg = <7>;
+ };
+
+ port@8 {
+ label = "lan8";
+ phy-handle = <&switch0phy8>;
+ reg = <8>;
+ };
+
+ port@9 {
+ /* 88X3310P external phy */
+ label = "lan9";
+ phy-handle = <&phy1>;
+ phy-mode = "xaui";
+ reg = <9>;
+ };
+
+ port@a {
+ /* 88X3310P external phy */
+ label = "lan10";
+ phy-handle = <&phy2>;
+ phy-mode = "xaui";
+ reg = <0xa>;
+ };
+ };
+ };
+};
+
+&pinctrl {
+ front_button_pins: front-button-pins {
+ marvell,pins = "mpp38";
+ marvell,function = "gpio";
+ };
+
+ switch_interrupt_pins: switch-interrupt-pins {
+ marvell,pins = "mpp39";
+ marvell,function = "gpio";
+ };
+};
+
+&spi0 {
+ pinctrl-0 = <&spi0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+
+ spi-flash@0 {
+ #address-cells = <1>;
+ #size-cells = <1>;
+ compatible = "jedec,spi-nor";
+ reg = <0>; /* Chip select 0 */
+ spi-max-frequency = <3000000>;
+
+ partitions {
+ compatible = "fixed-partitions";
+ #address-cells = <1>;
+ #size-cells = <1>;
+
+ partition@0 {
+ label = "boot";
+ read-only;
+ reg = <0x00000000 0x00100000>;
+ };
+
+ partition@100000 {
+ label = "env";
+ reg = <0x00100000 0x00010000>;
+ };
+
+ partition@200000 {
+ label = "rsv";
+ reg = <0x00110000 0x00010000>;
+ };
+
+ partition@300000 {
+ label = "image0";
+ reg = <0x00120000 0x00900000>;
+ };
+
+ partition@400000 {
+ label = "config";
+ reg = <0x00a20000 0x00300000>;
+ };
+
+ partition@480000 {
+ label = "debug";
+ reg = <0x00d20000 0x002e0000>;
+ };
+ };
+ };
+};
+
+&uart0 {
+ pinctrl-0 = <&uart0_pins>;
+ pinctrl-names = "default";
+ status = "okay";
+};
--
2.26.2