From mboxrd@z Thu Jan  1 00:00:00 1970
From: jason@lakedaemon.net (Jason Cooper)
Date: Mon, 10 Feb 2014 12:35:27 -0500
Subject: [PATCH 04/11] ARM: mvebu: add Device Tree description of the
 Armada 375 SoC
In-Reply-To: <1392053002-19831-5-git-send-email-thomas.petazzoni@free-electrons.com>
References: <1392053002-19831-1-git-send-email-thomas.petazzoni@free-electrons.com>
 <1392053002-19831-5-git-send-email-thomas.petazzoni@free-electrons.com>
Message-ID: <20140210173527.GR8533@titan.lakedaemon.net>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Mon, Feb 10, 2014 at 06:23:15PM +0100, Thomas Petazzoni wrote:
> From: Gregory CLEMENT <gregory.clement@free-electrons.com>
> 
> The Armada 375 SoC is a new SoC from Marvell, based on a dual core
> Cortex-A9 and a number of hardware blocks that are common with earlier
> SoCs from the mvebu family.
> 
> The provided Device Tree describes the following parts of the SoC:
> 
>  * CPUs
>  * Device Bus
>  * Clocks
>  * Interrupt controllers: GIC and MPIC
>  * GPIO controllers
>  * I2C buses
>  * L2 cache
>  * MBus controller
>  * SDIO
>  * Pinctrl
>  * SATA
>  * Serial
>  * SPI buses
>  * System controller (for reboot)
>  * Timer
>  * XOR engines
>  * PCIe controllers
> 
> Signed-off-by: Gregory CLEMENT <gregory.clement@free-electrons.com>
> Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> ---
>  arch/arm/boot/dts/armada-375.dtsi | 439 ++++++++++++++++++++++++++++++++++++++
>  1 file changed, 439 insertions(+)
>  create mode 100644 arch/arm/boot/dts/armada-375.dtsi
> 
> diff --git a/arch/arm/boot/dts/armada-375.dtsi b/arch/arm/boot/dts/armada-375.dtsi
> new file mode 100644
> index 0000000..2697345
> --- /dev/null
> +++ b/arch/arm/boot/dts/armada-375.dtsi
> @@ -0,0 +1,439 @@
> +/*
> + * Device Tree Include file for Marvell Armada 375 family SoC
> + *
> + * Copyright (C) 2014 Marvell
> + *
> + * Gregory CLEMENT <gregory.clement@free-electrons.com>
> + * Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
> + *
> + * 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.
> + */
> +
> +/include/ "skeleton.dtsi"
> +
> +#define MBUS_ID(target,attributes) (((target) << 24) | ((attributes) << 16))
> +
> +/ {
> +	model = "Marvell Armada 375 family SoC";
> +	compatible = "marvell,armada375";
> +
> +	aliases {
> +		gpio0 = &gpio0;
> +		gpio1 = &gpio1;
> +		gpio2 = &gpio2;
> +	};
> +
> +	clocks {
> +		/* 2 GHz fixed main PLL */
> +		mainpll: mainpll {
> +			compatible = "fixed-clock";
> +			#clock-cells = <0>;
> +			clock-frequency = <2000000000>;
> +		};
> +	};
> +
> +	cpus {
> +		#address-cells = <1>;
> +		#size-cells = <0>;
> +		cpu at 0 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a9";
> +			reg = <0>;
> +		};
> +		cpu at 1 {
> +			device_type = "cpu";
> +			compatible = "arm,cortex-a9";
> +			reg = <1>;
> +		};
> +	};
> +
> +	soc {
...
> +		internal-regs {
...
> +			gateclk: clock-gating-control at 18220 {
> +				compatible = "marvell,armada-375-gating-clock";
> +				reg = <0x18220 0x4>;
> +				clocks = <&coreclk 0>;
> +				#clock-cells = <1>;
> +			};
> +
...
> +			coreclk: mvebu-sar at e8204 {
> +				compatible = "marvell,armada-375-core-clock";
> +				reg = <0xe8204 0x04>;
> +				#clock-cells = <1>;
> +			};
> +
> +			coredivclk: corediv-clock at e8250 {
> +				compatible = "marvell,armada-375-corediv-clock";
> +				reg = <0xe8250 0xc>;
> +				#clock-cells = <1>;
> +				clocks = <&mainpll>;
> +				clock-output-names = "nand";
> +			};

Thanks for putting the internal-regs nodes in order so I didn't have to
ask.  :) Have you noticed the same problem as the other SoCs with clock
ordering on bootup?

thx,

Jason.