[PATCH 2/2] ARM: mvebu: add support for the new Armada 385 based Linksys boards

Gregory CLEMENT gregory.clement at free-electrons.com
Wed May 6 06:47:36 PDT 2015


Hi Imre,

On 06/05/2015 15:14, Imre Kaloz wrote:
> This patch adds support for the Linksys WRT1200AC (Caiman) and
> the Linksys WRT1900AC v2 (Cobra).
> 
> Both boards have:
> 
> - 2 Marvell 88W8864 radios
> - 1 USB 3.0 port
> - 1 USB 2.0/eSATAp port
> - 2 Ethernet interfaces connected to a 88E6176 switch (1x WAN + 4x LAN)
> - 128MB NAND flash
> - 512MB RAM
> 
> Signed-off-by: Imre Kaloz <kaloz at openwrt.org>
> 
> ---
>  arch/arm/boot/dts/Makefile                      |   2 +
>  arch/arm/boot/dts/armada-385-linksys-caiman.dts | 114 ++++++++++
>  arch/arm/boot/dts/armada-385-linksys-cobra.dts  | 114 ++++++++++
>  arch/arm/boot/dts/armada-385-linksys.dtsi       | 288 ++++++++++++++++++++++++
>  4 files changed, 518 insertions(+)
>  create mode 100644 arch/arm/boot/dts/armada-385-linksys-caiman.dts
>  create mode 100644 arch/arm/boot/dts/armada-385-linksys-cobra.dts
>  create mode 100644 arch/arm/boot/dts/armada-385-linksys.dtsi
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 86217db..0eaea61 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -633,6 +633,8 @@ dtb-$(CONFIG_MACH_ARMADA_375) += \
>  	armada-375-db.dtb
>  dtb-$(CONFIG_MACH_ARMADA_38X) += \
>  	armada-385-db-ap.dtb \
> +	armada-385-linksys-caiman.dtb \
> +	armada-385-linksys-cobra.dtb \
>  	armada-388-db.dtb \
>  	armada-388-gp.dtb \
>  	armada-388-rd.dtb
> diff --git a/arch/arm/boot/dts/armada-385-linksys-caiman.dts b/arch/arm/boot/dts/armada-385-linksys-caiman.dts
> new file mode 100644
> index 0000000..f3cee91
> --- /dev/null
> +++ b/arch/arm/boot/dts/armada-385-linksys-caiman.dts
> @@ -0,0 +1,114 @@
> +/*
> + * Device Tree include for the Linksys WRT1200AC (Caiman)
> + *
> + * Copyright (C) 2015 Imre Kaloz <kaloz at openwrt.org>
> + *
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + *  a) This file is licensed under the terms of the GNU General Public
> + *     License version 2.  This program is licensed "as is" without
> + *     any warranty of any kind, whether express or implied.
> + *
> + * Or, alternatively,
> + *
> + *  b) Permission is hereby granted, free of charge, to any person
> + *     obtaining a copy of this software and associated documentation
> + *     files (the "Software"), to deal in the Software without
> + *     restriction, including without limitation the rights to use,
> + *     copy, modify, merge, publish, distribute, sublicense, and/or
> + *     sell copies of the Software, and to permit persons to whom the
> + *     Software is furnished to do so, subject to the following
> + *     conditions:
> + *
> + *     The above copyright notice and this permission notice shall be
> + *     included in all copies or substantial portions of the Software.
> + *
> + *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + *     OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/dts-v1/;
> +#include "armada-385-linksys.dtsi"
> +
> +/ {
> +	model = "Linksys WRT1200AC";
> +	compatible = "linksys,caiman", "linksys,armada385", "marvell,armada385",
> +		     "marvell,armada380";
> +
> +	soc {
> +		internal-regs{
> +			i2c at 11000 {
> +
> +				pca9635 at 68 {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +					wan_amber at 0 {
> +						label = "caiman:amber:wan";
> +						reg = <0x0>;
> +					};
> +
> +					wan_white at 1 {
> +						label = "caiman:white:wan";
> +						reg = <0x1>;
> +					};
> +
> +					wlan_2g at 2 {
> +						label = "caiman:white:wlan_2g";
> +						reg = <0x2>;
> +					};
> +
> +					wlan_5g at 3 {
> +						label = "caiman:white:wlan_5g";
> +						reg = <0x3>;
> +					};
> +
> +					usb2 at 5 {
> +						label = "caiman:white:usb2";
> +						reg = <0x5>;
> +					};
> +
> +					usb3_1 at 6 {
> +						label = "caiman:white:usb3_1";
> +						reg = <0x6>;
> +					};
> +
> +					usb3_2 at 7 {
> +						label = "caiman:white:usb3_2";
> +						reg = <0x7>;
> +					};
> +
> +					wps_white at 8 {
> +						label = "caiman:white:wps";
> +						reg = <0x8>;
> +					};
> +
> +					wps_amber at 9 {
> +						label = "caiman:amber:wps";
> +						reg = <0x9>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +
> +	gpio-leds {
> +		power {
> +			label = "caiman:white:power";
> +		};
> +
> +		sata {
> +			label = "caiman:white:sata";
> +		};
> +	};
> +};
> diff --git a/arch/arm/boot/dts/armada-385-linksys-cobra.dts b/arch/arm/boot/dts/armada-385-linksys-cobra.dts
> new file mode 100644
> index 0000000..1110718
> --- /dev/null
> +++ b/arch/arm/boot/dts/armada-385-linksys-cobra.dts
> @@ -0,0 +1,114 @@
> +/*
> + * Device Tree file for the Linksys WRT1900ACv2 (Cobra)
> + *
> + * Copyright (C) 2015 Imre Kaloz <kaloz at openwrt.org>
> + *
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + *  a) This file is licensed under the terms of the GNU General Public
> + *     License version 2.  This program is licensed "as is" without
> + *     any warranty of any kind, whether express or implied.
> + *
> + * Or, alternatively,
> + *
> + *  b) Permission is hereby granted, free of charge, to any person
> + *     obtaining a copy of this software and associated documentation
> + *     files (the "Software"), to deal in the Software without
> + *     restriction, including without limitation the rights to use,
> + *     copy, modify, merge, publish, distribute, sublicense, and/or
> + *     sell copies of the Software, and to permit persons to whom the
> + *     Software is furnished to do so, subject to the following
> + *     conditions:
> + *
> + *     The above copyright notice and this permission notice shall be
> + *     included in all copies or substantial portions of the Software.
> + *
> + *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + *     OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +/dts-v1/;
> +#include "armada-385-linksys.dtsi"
> +
> +/ {
> +	model = "Linksys WRT1900ACv2";
> +	compatible = "linksys,cobra", "linksys,armada385", "marvell,armada385",
> +		     "marvell,armada380";
> +
> +	soc {
> +		internal-regs{
> +			i2c at 11000 {
> +
> +				pca9635 at 68 {
> +				#address-cells = <1>;
> +				#size-cells = <0>;
> +
> +					wan_amber at 0 {
> +						label = "cobra:amber:wan";
> +						reg = <0x0>;
> +					};
> +
> +					wan_white at 1 {
> +						label = "cobra:white:wan";
> +						reg = <0x1>;
> +					};
> +
> +					wlan_2g at 2 {
> +						label = "cobra:white:wlan_2g";
> +						reg = <0x2>;
> +					};
> +
> +					wlan_5g at 3 {
> +						label = "cobra:white:wlan_5g";
> +						reg = <0x3>;
> +					};
> +
> +					usb2 at 5 {
> +						label = "cobra:white:usb2";
> +						reg = <0x5>;
> +					};
> +
> +					usb3_1 at 6 {
> +						label = "cobra:white:usb3_1";
> +						reg = <0x6>;
> +					};
> +
> +					usb3_2 at 7 {
> +						label = "cobra:white:usb3_2";
> +						reg = <0x7>;
> +					};
> +
> +					wps_white at 8 {
> +						label = "cobra:white:wps";
> +						reg = <0x8>;
> +					};
> +
> +					wps_amber at 9 {
> +						label = "cobra:amber:wps";
> +						reg = <0x9>;
> +					};
> +				};
> +			};
> +		};
> +	};
> +
> +	gpio-leds {
> +		power {
> +			label = "cobra:white:power";
> +		};
> +
> +		sata {
> +			label = "cobra:white:sata";
> +		};
> +	};
> +};
> diff --git a/arch/arm/boot/dts/armada-385-linksys.dtsi b/arch/arm/boot/dts/armada-385-linksys.dtsi
> new file mode 100644
> index 0000000..f45afee
> --- /dev/null
> +++ b/arch/arm/boot/dts/armada-385-linksys.dtsi
> @@ -0,0 +1,288 @@
> +/*
> + * Device Tree include file for Armada 385 based Linksys boards
> + *
> + * Copyright (C) 2015 Imre Kaloz <kaloz at openwrt.org>
> + *
> + *
> + * This file is dual-licensed: you can use it either under the terms
> + * of the GPL or the X11 license, at your option. Note that this dual
> + * licensing only applies to this file, and not this project as a
> + * whole.
> + *
> + *  a) This file is licensed under the terms of the GNU General Public
> + *     License version 2.  This program is licensed "as is" without
> + *     any warranty of any kind, whether express or implied.
> + *
> + * Or, alternatively,
> + *
> + *  b) Permission is hereby granted, free of charge, to any person
> + *     obtaining a copy of this software and associated documentation
> + *     files (the "Software"), to deal in the Software without
> + *     restriction, including without limitation the rights to use,
> + *     copy, modify, merge, publish, distribute, sublicense, and/or
> + *     sell copies of the Software, and to permit persons to whom the
> + *     Software is furnished to do so, subject to the following
> + *     conditions:
> + *
> + *     The above copyright notice and this permission notice shall be
> + *     included in all copies or substantial portions of the Software.
> + *
> + *     THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + *     EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
> + *     OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
> + *     NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
> + *     HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
> + *     WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
> + *     FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
> + *     OTHER DEALINGS IN THE SOFTWARE.
> + */
> +
> +#include <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include "armada-385.dtsi"
> +
> +/ {
> +	model = "Linksys boards based on Armada 385";
> +	compatible = "linksys,armada385", "marvell,armada385",
> +		     "marvell,armada380";
> +
> +	chosen {
> +		bootargs = "console=ttyS0,115200";
> +		stdout-path = &uart0;

you could even remove bootargs and just use:
stdout-path = "serial0:115200n8";


Thanks,

Gregory

> +	};
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0x00000000 0x20000000>; /* 512 MB */
> +	};
> +
> +	soc {
> +		ranges = <MBUS_ID(0xf0, 0x01) 0 0xf1000000 0x100000
> +			  MBUS_ID(0x01, 0x1d) 0 0xfff00000 0x100000>;
> +
> +		internal-regs {
> +
> +			spi at 10600 {
> +				status = "disabled";
> +			};
> +
> +			i2c at 11000 {
> +				pinctrl-names = "default";
> +				pinctrl-0 = <&i2c0_pins>;
> +				status = "okay";
> +
> +				tmp421 at 4c {
> +					compatible = "ti,tmp421";
> +					reg = <0x4c>;
> +				};
> +
> +				pca9635 at 68 {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +					compatible = "nxp,pca9635";
> +					reg = <0x68>;
> +				};
> +			};
> +
> +			/* J10: VCC, NC, RX, NC, TX, GND  */
> +			serial at 12000 {
> +				status = "okay";
> +			};
> +
> +			ethernet at 70000 {
> +				status = "okay";
> +				phy-mode = "rgmii-id";
> +				fixed-link {
> +					speed = <1000>;
> +					full-duplex;
> +				};
> +			};
> +
> +			ethernet at 34000 {
> +				status = "okay";
> +				phy-mode = "sgmii";
> +				fixed-link {
> +					speed = <1000>;
> +					full-duplex;
> +				};
> +			};
> +
> +			mdio {
> +				status = "okay";
> +			};
> +
> +			sata at a8000 {
> +				status = "okay";
> +			};
> +
> +			/* USB part of the eSATA/USB 2.0 port */
> +			usb at 50000 {
> +				status = "okay";
> +			};
> +
> +			usb3 at f8000 {
> +				status = "okay";
> +				usb-phy = <&usb3_phy>;
> +			};
> +
> +			flash at d0000 {
> +				status = "okay";
> +				num-cs = <1>;
> +				marvell,nand-keep-config;
> +				marvell,nand-enable-arbiter;
> +				nand-on-flash-bbt;
> +
> +				partition at 0 {
> +					label = "u-boot";
> +					reg = <0x0000000 0x200000>;  /* 2MB */
> +					read-only;
> +				};
> +
> +				partition at 100000 {
> +					label = "u_env";
> +					reg = <0x200000 0x40000>;    /* 256KB */
> +				};
> +
> +				partition at 140000 {
> +					label = "s_env";
> +					reg = <0x240000 0x40000>;    /* 256KB */
> +				};
> +
> +				partition at 900000 {
> +					label = "devinfo";
> +					reg = <0x900000 0x100000>;   /* 1MB */
> +					read-only;
> +				};
> +
> +				/* kernel1 overlaps with rootfs1 by design */
> +				partition at a00000 {
> +					label = "kernel1";
> +					reg = <0xa00000 0x2800000>;  /* 40MB */
> +				};
> +
> +				partition at 1000000 {
> +					label = "rootfs1";
> +					reg = <0x1000000 0x2200000>;  /* 34MB */
> +				};
> +
> +				/* kernel2 overlaps with rootfs2 by design */
> +				partition at 3200000 {
> +					label = "kernel2";
> +					reg = <0x3200000 0x2800000>; /* 40MB */
> +				};
> +
> +				partition at 3800000 {
> +					label = "rootfs2";
> +					reg = <0x3800000 0x2200000>; /* 34MB */
> +				};
> +
> +				/*
> +				 * 38MB, last MB is for the BBT, not writable
> +				 */
> +				partition at 5a00000 {
> +					label = "syscfg";
> +					reg = <0x5a00000 0x2600000>;
> +				};
> +
> +				/*
> +				 * Unused area between "s_env" and "devinfo".
> +				 * Moved here because otherwise the renumbered
> +				 * partitions would break the bootloader
> +				 * supplied bootargs
> +				 */
> +				partition at 180000 {
> +					label = "unused_area";
> +					reg = <0x280000 0x680000>;   /* 6.5MB */
> +				};
> +			};
> +		};
> +
> +		pcie-controller {
> +			status = "okay";
> +
> +			pcie at 1,0 {
> +				/* Marvell 88W8864, 5GHz-only */
> +				status = "okay";
> +			};
> +
> +			pcie at 2,0 {
> +				/* Marvell 88W8864, 2GHz-only */
> +				status = "okay";
> +			};
> +		};
> +	};
> +
> +	usb3_phy: usb3_phy {
> +		compatible = "usb-nop-xceiv";
> +		vcc-supply = <&reg_xhci0_vbus>;
> +	};
> +
> +	reg_xhci0_vbus: xhci0-vbus {
> +		compatible = "regulator-fixed";
> +		pinctrl-names = "default";
> +		pinctrl-0 = <&xhci0_vbus_pins>;
> +		regulator-name = "xhci0-vbus";
> +		regulator-min-microvolt = <5000000>;
> +		regulator-max-microvolt = <5000000>;
> +		enable-active-high;
> +		gpio = <&gpio1 18 GPIO_ACTIVE_HIGH>;
> +	};
> +
> +	gpio_keys {
> +		compatible = "gpio-keys";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		pinctrl-0 = <&keys_pin>;
> +		pinctrl-names = "default";
> +
> +		button at 1 {
> +			label = "WPS";
> +			linux,code = <KEY_WPS_BUTTON>;
> +			gpios = <&gpio0 24 GPIO_ACTIVE_LOW>;
> +		};
> +
> +		button at 2 {
> +			label = "Factory Reset Button";
> +			linux,code = <KEY_RESTART>;
> +			gpios = <&gpio1 15 GPIO_ACTIVE_LOW>;
> +		};
> +	};
> +
> +	gpio-leds {
> +		compatible = "gpio-leds";
> +		pinctrl-0 = <&power_led_pin &sata_led_pin>;
> +		pinctrl-names = "default";
> +
> +		power {
> +			gpios = <&gpio1 23 GPIO_ACTIVE_HIGH>;
> +			default-state = "on";
> +		};
> +
> +		sata {
> +			gpios = <&gpio1 22 GPIO_ACTIVE_HIGH>;
> +			default-state = "off";
> +		};
> +	};
> +};
> +
> +&pinctrl {
> +	keys_pin: keys-pin {
> +		marvell,pins = "mpp24", "mpp47";
> +		marvell,function = "gpio";
> +	};
> +
> +	power_led_pin: power-led-pin {
> +		marvell,pins = "mpp55";
> +		marvell,function = "gpio";
> +	};
> +
> +	sata_led_pin: sata-led-pin {
> +		marvell,pins = "mpp54";
> +		marvell,function = "gpio";
> +	};
> +
> +	xhci0_vbus_pins: xhci0-vbus-pins {
> +		marvell,pins = "mpp50";
> +		marvell,function = "gpio";
> +	};
> +};
> 


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com



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