[PATCH] ARM: Kirkwood: add DT description for nas2big

[gregory.clement@free-electrons.com (Gregory CLEMENT)]

Hi Simon,

On 01/03/2015 21:51, Simon Guinot wrote:
> This patch adds the DT description for the LaCie "2Big NAS" (nas2big).
> This NAS is an hardware upgrade of the 2Big Network v2.
> 
> Chipset and device list:
> 
> - CPU Marvell 88F6282 1600Mhz
> - SDRAM memory, 256MB DDR3 (2x128MB x8) 533Mhz
> - 1 Ethernet Gigabit port (PHY Marvell 88E1518)
> - Flash memory, NAND 256MB TSOP48
> - I2C EEPROM, 512 bytes (AT24 type)
> - PCIe SATA controller JMicron JMB360 (eSATA)
> - I2C fan controller GMT G762 (with a separate alarm GPIO)
> - 1 USB2 host port
> - 1 push button
> - 1 power switch
> - 2 SATA LEDs (bi-color, blue and red)
> - 1 power LED (bi-color, blue and red)
> - CPLD for LEDs and start-up management (Altera Max EMP3064)


This dts looks fine for me, however I would like to have an Acked-by
from Andrew or Jason before applying it as kikwood is not my area of
expertise.

Thanks,

Gregory


> 
> Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
> ---
>  .../devicetree/bindings/arm/marvell,kirkwood.txt   |   1 +
>  arch/arm/boot/dts/Makefile                         |   1 +
>  arch/arm/boot/dts/kirkwood-nas2big.dts             | 144 +++++++++++++++++++++
>  3 files changed, 146 insertions(+)
>  create mode 100644 arch/arm/boot/dts/kirkwood-nas2big.dts
> 
> diff --git a/Documentation/devicetree/bindings/arm/marvell,kirkwood.txt b/Documentation/devicetree/bindings/arm/marvell,kirkwood.txt
> index 925ecbf6e7b7..4f40ff3fee4b 100644
> --- a/Documentation/devicetree/bindings/arm/marvell,kirkwood.txt
> +++ b/Documentation/devicetree/bindings/arm/marvell,kirkwood.txt
> @@ -42,6 +42,7 @@ board. Currently known boards are:
>  "lacie,cloudbox"
>  "lacie,inetspace_v2"
>  "lacie,laplug"
> +"lacie,nas2big"
>  "lacie,netspace_lite_v2"
>  "lacie,netspace_max_v2"
>  "lacie,netspace_mini_v2"
> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
> index a1c776b8dcec..920fd9dd7a35 100644
> --- a/arch/arm/boot/dts/Makefile
> +++ b/arch/arm/boot/dts/Makefile
> @@ -165,6 +165,7 @@ dtb-$(CONFIG_MACH_KIRKWOOD) += \
>  	kirkwood-lsxhl.dtb \
>  	kirkwood-mplcec4.dtb \
>  	kirkwood-mv88f6281gtw-ge.dtb \
> +	kirkwood-nas2big.dtb \
>  	kirkwood-net2big.dtb \
>  	kirkwood-net5big.dtb \
>  	kirkwood-netgear_readynas_duo_v2.dtb \
> diff --git a/arch/arm/boot/dts/kirkwood-nas2big.dts b/arch/arm/boot/dts/kirkwood-nas2big.dts
> new file mode 100644
> index 000000000000..d459c94fd1d4
> --- /dev/null
> +++ b/arch/arm/boot/dts/kirkwood-nas2big.dts
> @@ -0,0 +1,144 @@
> +/*
> + * Device Tree file for LaCie 2Big NAS
> + *
> + * Copyright (C) 2015 Seagate
> + *
> + * Author: Simon Guinot <simon.guinot@sequanux.org>
> + *
> + * 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.
> +*/
> +
> +/dts-v1/;
> +
> +#include <dt-bindings/leds/leds-netxbig.h>
> +#include "kirkwood-netxbig.dtsi"
> +
> +/ {
> +	model = "LaCie 2Big NAS";
> +	compatible = "lacie,nas2big", "lacie,netxbig", "marvell,kirkwood-88f6282", "marvell,kirkwood";
> +
> +	memory {
> +		device_type = "memory";
> +		reg = <0x00000000 0x10000000>;
> +	};
> +
> +	chosen {
> +		bootargs = "console=ttyS0,115200n8";
> +		stdout-path = &uart0;
> +	};
> +
> +	mbus {
> +		pcie-controller {
> +			status = "okay";
> +
> +			pcie at 1,0 {
> +				status = "okay";
> +			};
> +		};
> +	};
> +
> +	ocp at f1000000 {
> +		rtc at 10300 {
> +			/* The on-chip RTC is not powered (no supercap). */
> +			status = "disabled";
> +		};
> +		spi at 10600 {
> +			/*
> +			 * A NAND flash is used instead of an SPI flash for
> +			 * the other netxbig-compatible boards.
> +			 */
> +			status = "disabled";
> +		};
> +	};
> +
> +	fan {
> +		/*
> +		 * An I2C fan controller (GMT G762) is used but alarm is
> +		 * wired to a separate GPIO.
> +		 */
> +		compatible = "gpio-fan";
> +		alarm-gpios = <&gpio0 25 GPIO_ACTIVE_LOW>;
> +	};
> +
> +	regulators: regulators {
> +		status = "okay";
> +		compatible = "simple-bus";
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		pinctrl-names = "default";
> +
> +		regulator at 2 {
> +			compatible = "regulator-fixed";
> +			reg = <2>;
> +			regulator-name = "hdd1power";
> +			regulator-min-microvolt = <5000000>;
> +			regulator-max-microvolt = <5000000>;
> +			enable-active-high;
> +			regulator-always-on;
> +			regulator-boot-on;
> +			gpio = <&gpio0 17 GPIO_ACTIVE_HIGH>;
> +		};
> +		clocks {
> +			g762_clk: g762-oscillator {
> +				compatible = "fixed-clock";
> +				#clock-cells = <0>;
> +				clock-frequency = <32768>;
> +			};
> +		};
> +	};
> +};
> +
> +&mdio {
> +	status = "okay";
> +
> +	ethphy0: ethernet-phy at 0 {
> +		reg = <0>;
> +	};
> +};
> +
> +&i2c0 {
> +	status = "okay";
> +
> +	/*
> +	 * An external I2C RTC (Dallas DS1337S+) is used. This allows
> +	 * to power-up the board on an RTC alarm. The external RTC can
> +	 * be kept powered, even when the SoC is off.
> +	 */
> +	rtc at 68 {
> +		compatible = "dallas,ds1307";
> +		reg = <0x68>;
> +		interrupts = <43>;
> +	};
> +	g762 at 3e {
> +		compatible = "gmt,g762";
> +		reg = <0x3e>;
> +		clocks = <&g762_clk>;
> +	};
> +};
> +
> +&nand {
> +	chip-delay = <50>;
> +	status = "okay";
> +
> +	partition at 0 {
> +		label = "U-Boot";
> +		reg = <0x0 0x100000>;
> +	};
> +
> +	partition at 100000 {
> +		label = "uImage";
> +		reg = <0x100000 0x1000000>;
> +	};
> +
> +	partition at 1100000 {
> +		label = "root";
> +		reg = <0x1100000 0x8000000>;
> +	};
> +
> +	partition at 9100000 {
> +		label = "unused";
> +		reg = <0x9100000 0x6f00000>;
> +	};
> +};
> 


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