Subject: [PATCHv3] mvebu: add Linksys WRT1900AC (Mamba) support

From: [email-masked] (Gregory CLEMENT)
Date: Mon, 23 Feb 2015 19:32:53 +0100

Hi Imre,

On 16/02/2015 13:31, Imre Kaloz wrote:
> The Linksys WRT1900AC (Mamba) is a router that has
> 
> - 2 mini-PCIe slots with Marvell 88W8864 radios
> - 1 USB 3.0 port
> - 1 USB 2.0/eSATAp port
> - 2 Ethernet interfaces connected to a 88E6172 switch (1x WAN + 4x LAN)
> - 128MB NAND flash
> - 256MB RAM
> 
> Signed-off-by: Imre Kaloz <[email-masked]>
> ---
> Changes since v2:
>   * added tlc59116 leds
>   * added an extra partition for the unused space
>   * added serial console pinout
>   * renamed the dts to armada-xp-linksys-mamba.dts
> 
> Changes since v1:
>   * add dual license
>   * lower SPI speed to meet the chip's maximum
>   * pinctrl cleanups based on Andrew Lunn's suggestions
> ---
>  arch/arm/boot/dts/Makefile                    |   1 +
>  arch/arm/boot/dts/armada-xp-linksys-mamba.dts | 348 ++++++++++++++++++++++++++
>  2 files changed, 349 insertions(+)
>  create mode 100644 arch/arm/boot/dts/armada-xp-linksys-mamba.dts
> 
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index 91bd5bd..a84063f 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -541,6 +541,7 @@ dtb-$(CONFIG_MACH_ARMADA_XP) += \
>  	armada-xp-db.dtb \
>  	armada-xp-gp.dtb \
>  	armada-xp-lenovo-ix4-300d.dtb \
> +	armada-xp-linksys-mamba.dtb \
>  	armada-xp-matrix.dtb \
>  	armada-xp-netgear-rn2120.dtb \
>  	armada-xp-openblocks-ax3-4.dtb \
> diff --git a/arch/arm/boot/dts/armada-xp-linksys-mamba.dts b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
> new file mode 100644
> index 0000000..0a3d1d6
> --- /dev/null
> +++ b/arch/arm/boot/dts/armada-xp-linksys-mamba.dts
> @@ -0,0 +1,348 @@
> +/*
> + * Device Tree file for the Linksys WRT1900AC (Mamba).
> + *
> + * Note: this board is shipped with a new generation boot loader that
> + * remaps internal registers at 0xf1000000. Therefore, if earlyprintk
> + * is used, the CONFIG_DEBUG_MVEBU_UART_ALTERNATE option should be

This symbol name has been removed and DEBUG_MVEBU_UART0_ALTERNATE would
be used instead.

Besides this,

Acked-by: Gregory CLEMENT <[email-masked]>

You don't have to resend a new version for this, I can amend
your patch while applying it. So unless there is new comments
I will add your patch to the mvebu tree in a couple of days.

Thanks,

Gregory

> + * used.
> + *
> + * Copyright (C) 2014 Imre Kaloz <[email-masked]>
> + *
> + * Based on armada-xp-axpwifiap.dts:
> + *
> + *     Copyright (C) 2013 Marvell
> + *
> + *     Thomas Petazzoni <[email-masked]>
> + *
> + * 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 <dt-bindings/gpio/gpio.h>
> +#include <dt-bindings/input/input.h>
> +#include "armada-xp-mv78230.dtsi"
> +
> +/ {
> +	model = "Linksys WRT1900AC";
> +	compatible = "linksys,mamba", "marvell,armadaxp-mv78230",
> +		     "marvell,armadaxp", "marvell,armada-370-xp";
> +
> +	chosen {
> +		bootargs = "console=ttyS0,115200";
> +		stdout-path = &uart0;
> +	};
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0x00000000 0x00000000 0x00000000 0x10000000>; /* 256MB */
> +	};
> +
> +	soc {
> +		ranges = <MBUS_ID(0xf0, 0x01) 0 0 0xf1000000 0x100000
> +			  MBUS_ID(0x01, 0x1d) 0 0 0xfff00000 0x100000>;
> +
> +		pcie-controller {
> +			status = "okay";
> +
> +			/* Etron EJ168 USB 3.0 controller */
> +			pcie at 1,0 {
> +				/* Port 0, Lane 0 */
> +				status = "okay";
> +			};
> +
> +			/* First mini-PCIe port */
> +			pcie at 2,0 {
> +				/* Port 0, Lane 1 */
> +				status = "okay";
> +			};
> +
> +			/* Second mini-PCIe port */
> +			pcie at 3,0 {
> +				/* Port 0, Lane 3 */
> +				status = "okay";
> +			};
> +		};
> +
> +		internal-regs {
> +
> +			/* J10: VCC, NC, RX, NC, TX, GND  */
> +			serial at 12000 {
> +				status = "okay";
> +			};
> +
> +			sata at a0000 {
> +				nr-ports = <1>;
> +				status = "okay";
> +			};
> +
> +			ethernet at 70000 {
> +				pinctrl-0 = <&ge0_rgmii_pins>;
> +				pinctrl-names = "default";
> +				status = "okay";
> +				phy-mode = "rgmii-id";
> +				fixed-link {
> +					speed = <1000>;
> +					full-duplex;
> +				};
> +			};
> +
> +			ethernet at 74000 {
> +				pinctrl-0 = <&ge1_rgmii_pins>;
> +				pinctrl-names = "default";
> +				status = "okay";
> +				phy-mode = "rgmii-id";
> +				fixed-link {
> +					speed = <1000>;
> +					full-duplex;
> +				};
> +			};
> +
> +			/* USB part of the eSATA/USB 2.0 port */
> +			usb at 50000 {
> +				status = "okay";
> +			};
> +
> +			i2c at 11000 {
> +				status = "okay";
> +				clock-frequency = <100000>;
> +
> +				tmp421 at 4c {
> +					compatible = "ti,tmp421";
> +					reg = <0x4c>;
> +				};
> +
> +				tlc59116 at 68 {
> +					#address-cells = <1>;
> +					#size-cells = <0>;
> +					#gpio-cells = <2>;
> +					compatible = "ti,tlc59116";
> +					reg = <0x68>;
> +
> +					wan_amber at 0 {
> +						label = "mamba:amber:wan";
> +						reg = <0x0>;
> +					};
> +
> +					wan_white at 1 {
> +						label = "mamba:white:wan";
> +						reg = <0x1>;
> +					};
> +
> +					wlan_2g at 2 {
> +						label = "mamba:white:wlan_2g";
> +						reg = <0x2>;
> +					};
> +
> +					wlan_5g at 3 {
> +						label = "mamba:white:wlan_5g";
> +						reg = <0x3>;
> +					};
> +
> +					esata at 4 {
> +						label = "mamba:white:esata";
> +						reg = <0x4>;
> +					};
> +
> +					usb2 at 5 {
> +						label = "mamba:white:usb2";
> +						reg = <0x5>;
> +					};
> +
> +					usb3_1 at 6 {
> +						label = "mamba:white:usb3_1";
> +						reg = <0x6>;
> +					};
> +
> +					usb3_2 at 7 {
> +						label = "mamba:white:usb3_2";
> +						reg = <0x7>;
> +					};
> +
> +					wps_white at 8 {
> +						label = "mamba:white:wps";
> +						reg = <0x8>;
> +					};
> +
> +					wps_amber at 9 {
> +						label = "mamba:amber:wps";
> +						reg = <0x9>;
> +					};
> +				};
> +			};
> +
> +			nand at d0000 {
> +				status = "okay";
> +				num-cs = <1>;
> +				marvell,nand-keep-config;
> +				marvell,nand-enable-arbiter;
> +				nand-on-flash-bbt;
> +				nand-ecc-strength = <4>;
> +				nand-ecc-step-size = <512>;
> +
> +				partition at 0 {
> +					label = "u-boot";
> +					reg = <0x0000000 0x100000>;  /* 1MB */
> +					read-only;
> +				};
> +
> +				partition at 100000 {
> +					label = "u_env";
> +					reg = <0x100000 0x40000>;    /* 256KB */
> +				};
> +
> +				partition at 140000 {
> +					label = "s_env";
> +					reg = <0x140000 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 d00000 {
> +					label = "rootfs1";
> +					reg = <0xd00000 0x2500000>;  /* 37MB */
> +				};
> +
> +				/* kernel2 overlaps with rootfs2 by design */
> +				partition at 3200000 {
> +					label = "kernel2";
> +					reg = <0x3200000 0x2800000>; /* 40MB */
> +				};
> +
> +				partition at 3500000 {
> +					label = "rootfs2";
> +					reg = <0x3500000 0x2500000>; /* 37MB */
> +				};
> +
> +				/*
> +				 * 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 = <0x180000 0x780000>;   /* 7.5MB */
> +				};
> +			};
> +
> +			spi0: spi at 10600 {
> +				status = "okay";
> +
> +				spi-flash at 0 {
> +					#address-cells = <1>;
> +					#size-cells = <1>;
> +					compatible = "everspin,mr25h256";
> +					reg = <0>; /* Chip select 0 */
> +					spi-max-frequency = <40000000>;
> +				};
> +			};
> +		};
> +	};
> +
> +	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 = <&gpio1 0 GPIO_ACTIVE_HIGH>;
> +		};
> +
> +		button at 2 {
> +			label = "Factory Reset Button";
> +			linux,code = <KEY_RESTART>;
> +			gpios = <&gpio1 1 GPIO_ACTIVE_HIGH>;
> +		};
> +	};
> +
> +	gpio-leds {
> +		compatible = "gpio-leds";
> +		pinctrl-0 = <&power_led_pin>;
> +		pinctrl-names = "default";
> +
> +		power {
> +			label = "mamba:white:power";
> +			gpios = <&gpio1 8 GPIO_ACTIVE_HIGH>;
> +			default-state = "on";
> +		};
> +	};
> +
> +	gpio_fan {
> +		/* SUNON HA4010V4-0000-C99 */
> +		compatible = "gpio-fan";
> +		gpios = <&gpio0 24 0>;
> +
> +		gpio-fan,speed-map = <0    0
> +				      4500 1>;
> +	};
> +};
> +
> +&pinctrl {
> +
> +	keys_pin: keys-pin {
> +		marvell,pins = "mpp32", "mpp33";
> +		marvell,function = "gpio";
> +	};
> +
> +	power_led_pin: power-led-pin {
> +		marvell,pins = "mpp40";
> +		marvell,function = "gpio";
> +	};
> +
> +	gpio_fan_pin: gpio-fan-pin {
> +		marvell,pins = "mpp24";
> +		marvell,function = "gpio";
> +	};
> +};
> 

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