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Subject[v2] ARM: dts: BCM5301X: Add support for Linksys EA9500
Date
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 DSA driver and Kernel 4.14

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]

So, I had to run following bridge command:

bridge vlan add vid 1 dev extsw pvid tagged

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 usb3 phy mdio driver
- Define external SW as a mdio-mii node connected to external mdio

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

Signed-off-by: Vivek Unune <npcomplete13@gmail.com>
---
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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