Hardware Info
-------------

Processor       - Broadcom BCM4709C0KFEBG dual-core @ 1.4 GHz
Switch          - BCM53012 in BCM4709C0KFEBG & external BCM53125
DDR3 RAM        - 256 MB
Flash           - 128 MB (Toshiba TC58BVG0S3HTA00)
2.4GHz          - BCM4366 4×4 2.4/5G single chip 802.11ac SoC
Power Amp       - Skyworks SE2623L 2.4 GHz power amp (x4)
5GHz x 2        - BCM4366 4×4 2.4/5G single chip 802.11ac SoC
Power Amp       - PLX Technology PEX8603 3-lane, 3-port PCIe switch
Ports           - 8 Ports, 1 WAN Ports
Antennas        - 8 Antennas
Serial Port     - @J6 [GND,TX,RX] (VCC NC)    115200 8n1

Tested with OpenWrt built with DSA driver and Kernel v4.14

Note:

"make sure that port 0 of the internal switch is not accidentally
configured back to untagged since that would cause problem when
terminating the VLAN tag on the SW side." - Florian Fainelli [1]

This can be ensured by running following command in OpenWrt:

bridge vlan add vid 1 dev extsw pvid tagged

[1] https://www.spinics.net/lists/arm-kernel/msg590992.html

Signed-off-by: Vivek Unune <npcomplet...@gmail.com>
---
Changes in v2:
 - Properly define mdio mux, internal mdio, external mdio, mii bus
 - Now we define usb3 phy as a mdio node connected to internal mdio,
   thanks to work done by Rafał Miłecki on the bcm usb3 phy mdio driver
 - Define external SW as a mdio-mii node connected to external mdio
---
 arch/arm/boot/dts/bcm47094-linksys-panamera.dts | 239 +++++++++++++++++++++++-
 arch/arm/boot/dts/bcm47094.dtsi                 |   6 +-
 arch/arm/boot/dts/bcm5301x.dtsi                 |  55 +++++-
 3 files changed, 288 insertions(+), 12 deletions(-)

diff --git a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts 
b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
index b6750f7..5f53207 100644
--- a/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
+++ b/arch/arm/boot/dts/bcm47094-linksys-panamera.dts
@@ -7,7 +7,7 @@
 /dts-v1/;
 
 #include "bcm47094.dtsi"
-#include "bcm5301x-nand-cs0-bch8.dtsi"
+#include "bcm5301x-nand-cs0-bch1.dtsi"
 
 / {
        compatible = "linksys,panamera", "brcm,bcm47094", "brcm,bcm4708";
@@ -32,5 +32,242 @@
                        linux,code = <KEY_WPS_BUTTON>;
                        gpios = <&chipcommon 3 GPIO_ACTIVE_LOW>;
                };
+
+               rfkill {
+                               label = "WiFi";
+                               linux,code = <KEY_RFKILL>;
+                               gpios = <&chipcommon 16 GPIO_ACTIVE_LOW>;
+               };
+
+               reset {
+                               label = "Reset";
+                               linux,code = <KEY_RESTART>;
+                               gpios = <&chipcommon 17 GPIO_ACTIVE_LOW>;
+               };
+       };
+
+       leds {
+               compatible = "gpio-leds";
+
+               wps {
+                       label = "bcm53xx:white:wps";
+                       gpios = <&chipcommon 22 GPIO_ACTIVE_LOW>;
+               };
+
+               usb2 {
+                       label = "bcm53xx:green:usb2";
+                       gpios = <&chipcommon 1 GPIO_ACTIVE_LOW>;
+                       trigger-sources = <&ohci_port2>, <&ehci_port2>;
+                       linux,default-trigger = "usbport";
+               };
+
+               usb3 {
+                       label = "bcm53xx:green:usb3";
+                       gpios = <&chipcommon 2 GPIO_ACTIVE_LOW>;
+                       trigger-sources = <&ohci_port1>, <&ehci_port1>,
+                                         <&xhci_port1>;
+                       linux,default-trigger = "usbport";
+               };
+
+               power {
+                       label = "bcm53xx:white:power";
+                       gpios = <&chipcommon 4 GPIO_ACTIVE_HIGH>;
+               };
+
+               wifi-disabled {
+                       label = "bcm53xx:amber:wifi-disabled";
+                       gpios = <&chipcommon 0 GPIO_ACTIVE_LOW>;
+               };
+
+               wifi-enabled {
+                       label = "bcm53xx:white:wifi-enabled";
+                       gpios = <&chipcommon 5 GPIO_ACTIVE_HIGH>;
+               };
+
+               bluebar1 {
+                       label = "bcm53xx:white:bluebar1";
+                       gpios = <&chipcommon 11 GPIO_ACTIVE_HIGH>;
+               };
+
+               bluebar2 {
+                       label = "bcm53xx:white:bluebar2";
+                       gpios = <&chipcommon 12 GPIO_ACTIVE_HIGH>;
+               };
+
+               bluebar3 {
+                       label = "bcm53xx:white:bluebar3";
+                       gpios = <&chipcommon 15 GPIO_ACTIVE_LOW>;
+               };
+
+               bluebar4 {
+                       label = "bcm53xx:white:bluebar4";
+                       gpios = <&chipcommon 18 GPIO_ACTIVE_HIGH>;
+               };
+
+               bluebar5 {
+                       label = "bcm53xx:white:bluebar5";
+                       gpios = <&chipcommon 19 GPIO_ACTIVE_HIGH>;
+               };
+
+               bluebar6 {
+                       label = "bcm53xx:white:bluebar6";
+                       gpios = <&chipcommon 20 GPIO_ACTIVE_HIGH>;
+               };
+
+               bluebar7 {
+                       label = "bcm53xx:white:bluebar7";
+                       gpios = <&chipcommon 21 GPIO_ACTIVE_HIGH>;
+               };
+
+               bluebar8 {
+                       label = "bcm53xx:white:bluebar8";
+                       gpios = <&chipcommon 8 GPIO_ACTIVE_HIGH>;
+               };
+       };
+};
+
+&usb2 {
+       vcc-gpio = <&chipcommon 13 GPIO_ACTIVE_HIGH>;
+};
+
+&usb3 {
+       vcc-gpio = <&chipcommon 14 GPIO_ACTIVE_HIGH>;
+};
+
+&mdio_mii_mux {
+       status = "okay";
+};
+
+&mdio_ext {
+       status = "okay";
+};
+
+&srab {
+       compatible = "brcm,bcm53012-srab", "brcm,bcm5301x-srab";
+       status = "okay";
+       dsa,member = <0 0>;
+
+       ports {
+               #address-cells = <1>;
+               #size-cells = <0>;
+
+               port@1 {
+                       reg = <1>;
+                       label = "lan7";
+               };
+
+               port@2 {
+                       reg = <2>;
+                       label = "lan4";
+               };
+
+               port@3 {
+                       reg = <3>;
+                       label = "lan8";
+               };
+
+               port@4 {
+                       reg = <4>;
+                       label = "wan";
+               };
+
+               port@5 {
+                       reg = <5>;
+                       ethernet = <&gmac0>;
+                       label = "cpu";
+
+                       fixed-link {
+                               speed = <1000>;
+                               full-duplex;
+                       };
+               };
+
+               port@7 {
+                       reg = <7>;
+                       ethernet = <&gmac1>;
+                       label = "cpu";
+
+                       fixed-link {
+                               speed = <1000>;
+                               full-duplex;
+                       };
+               };
+
+               port@8 {
+                       reg = <8>;
+                       ethernet = <&gmac2>;
+                       label = "cpu";
+
+                       fixed-link {
+                               speed = <1000>;
+                               full-duplex;
+                       };
+               };
+
+               sw0_p0: port@0 {
+                       reg = <0>;
+                       label = "extsw";
+
+                       fixed-link {
+                               speed = <1000>;
+                               full-duplex;
+                       };
+               };
        };
 };
+
+&mdio_mii {
+       status = "okay";
+
+               switch@0  {
+                       compatible = "brcm,bcm53125";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reset-gpios = <&chipcommon 10 GPIO_ACTIVE_LOW>;
+                       reset-names = "robo_reset";
+                       reg = <0>;
+                       dsa,member = <1 0>;
+
+                       ports {
+                               #address-cells = <1>;
+                               #size-cells = <0>;
+
+                               port@0 {
+                                       reg = <0>;
+                                       label = "lan1";
+                               };
+
+                               port@1 {
+                                       reg = <1>;
+                                       label = "lan5";
+                               };
+
+                               port@2 {
+                                       reg = <2>;
+                                       label = "lan2";
+                               };
+
+                               port@3 {
+                                       reg = <3>;
+                                       label = "lan6";
+                               };
+
+                               port@4 {
+                                       reg = <4>;
+                                       label = "lan3";
+                               };
+
+                               sw1_p8: port@8 {
+                                       reg = <8>;
+                                       ethernet = <&sw0_p0>;
+                                       label = "cpu";
+
+                                       fixed-link {
+                                               speed = <1000>;
+                                               full-duplex;
+                                       };
+                               };
+                       };
+               };
+};
+
diff --git a/arch/arm/boot/dts/bcm47094.dtsi b/arch/arm/boot/dts/bcm47094.dtsi
index 4840a78..8f3ec57 100644
--- a/arch/arm/boot/dts/bcm47094.dtsi
+++ b/arch/arm/boot/dts/bcm47094.dtsi
@@ -6,10 +6,8 @@
 
 #include "bcm4708.dtsi"
 
-/ {
-       usb3_phy: usb3-phy {
-               compatible = "brcm,ns-bx-usb3-phy";
-       };
+&usb3_phy {
+       compatible = "brcm,ns-bx-usb3-phy";
 };
 
 &uart0 {
diff --git a/arch/arm/boot/dts/bcm5301x.dtsi b/arch/arm/boot/dts/bcm5301x.dtsi
index 9a076c4..9e4386a 100644
--- a/arch/arm/boot/dts/bcm5301x.dtsi
+++ b/arch/arm/boot/dts/bcm5301x.dtsi
@@ -154,13 +154,6 @@
                clock-names = "phy-ref-clk";
        };
 
-       usb3_phy: usb3-phy {
-               compatible = "brcm,ns-ax-usb3-phy";
-               reg = <0x18105000 0x1000>, <0x18003000 0x1000>;
-               reg-names = "dmp", "ccb-mii";
-               #phy-cells = <0>;
-       };
-
        axi@18000000 {
                compatible = "brcm,bus-axi";
                reg = <0x18000000 0x1000>;
@@ -359,7 +352,55 @@
                reg = <0x18003000 0x8>;
                #size-cells = <1>;
                #address-cells = <0>;
+       };
+
+       mdio-bus-mux {
+               compatible = "mdio-mux-mmioreg";
+               mdio-parent-bus = <&mdio>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x18003000 0x4>;
+               mux-mask = <0x200>;
+
+               mdio_int: mdio@0 {              /* BIT(9) = 0 => internal mdio 
*/
+                       reg = <0x0>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+
+                       usb3_phy: usb3-phy@10 {
+                               compatible = "brcm,ns-ax-usb3-phy";
+                               reg = <0x10>;
+                               usb3-dmp-syscon = <&usb3_dmp>;
+                               #phy-cells = <0>;
+                       };
+               };
+
+               mdio_ext: mdio@200 {            /* BIT(9) = 1 => external mdio 
*/
+                       reg = <0x200>;
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       status = "disabled";
+               };
+       };
+
+       mdio_mii_mux: mdio-mii-mux {
+               compatible = "mdio-mux-mmioreg";
+               mdio-parent-bus = <&mdio_ext>;
+               #address-cells = <1>;
+               #size-cells = <0>;
+               reg = <0x1800c1c0 0x4>;
+               mux-mask = <0xc0>;              /* BIT(6) = mdc, BIT(7) = mdio 
*/
                status = "disabled";
+
+               mdio_mii: mdio-mii@0 {
+                       reg = <0x0>;            /* Enable mii function */
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+               };
+       };
+
+       usb3_dmp: syscon@18105000 {
+               reg = <0x18105000 0x1000>;
        };
 
        i2c0: i2c@18009000 {
-- 
2.9.3

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