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Message-ID: <87egcctwqa.fsf@free-electrons.com>
Date: Tue, 16 Feb 2016 18:02:05 +0100
From: Gregory CLEMENT <gregory.clement@...e-electrons.com>
To: Jisheng Zhang <jszhang@...vell.com>
Cc: Jason Cooper <jason@...edaemon.net>, Andrew Lunn <andrew@...n.ch>,
Sebastian Hesselbarth <sebastian.hesselbarth@...il.com>,
<arm@...nel.org>, Catalin Marinas <catalin.marinas@....com>,
Will Deacon <will.deacon@....com>,
Jonathan Corbet <corbet@....net>,
Mark Rutland <mark.rutland@....com>,
<devicetree@...r.kernel.org>, <linux-ide@...r.kernel.org>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Omri Itach <omrii@...vell.com>, <linux-kernel@...r.kernel.org>,
Nadav Haklai <nadavh@...vell.com>,
"Hans de Goede" <hdegoede@...hat.com>,
Lior Amsalem <alior@...vell.com>,
<linux-serial@...r.kernel.org>, Jiri Slaby <jslaby@...e.com>,
Tejun Heo <tj@...nel.org>,
Thomas Petazzoni <thomas.petazzoni@...e-electrons.com>,
<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3 09/12] arm64: dts: add the Marvell Armada 3700 family and a development board
Hi Jisheng,
On mar., févr. 16 2016, Jisheng Zhang <jszhang@...vell.com> wrote:
> Dear Gregory,
> On Mon, 8 Feb 2016 18:14:17 +0100 Gregory CLEMENT wrote:
>
>> Add initial dtsi files to support Marvell Armada 3700 SoC with Cortex-A53
>> CPUs. There are two members in this family: the Armada 3710 (Single CPU)
>> and the Armada 3720 (Dual CPUs).
>>
>> It also adds a dts file for the Marvell Armada 3720 DB board.
>>
>> Signed-off-by: Gregory CLEMENT <gregory.clement@...e-electrons.com>
>> ---
>> arch/arm64/boot/dts/marvell/Makefile | 4 +
>> arch/arm64/boot/dts/marvell/armada-371x.dtsi | 53 ++++++++++
>> arch/arm64/boot/dts/marvell/armada-3720-db.dts | 86 ++++++++++++++++
>> arch/arm64/boot/dts/marvell/armada-372x.dtsi | 63 ++++++++++++
>> arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 131 +++++++++++++++++++++++++
>> 5 files changed, 337 insertions(+)
>> create mode 100644 arch/arm64/boot/dts/marvell/armada-371x.dtsi
>> create mode 100644 arch/arm64/boot/dts/marvell/armada-3720-db.dts
>> create mode 100644 arch/arm64/boot/dts/marvell/armada-372x.dtsi
>> create mode 100644 arch/arm64/boot/dts/marvell/armada-37xx.dtsi
>>
>> diff --git a/arch/arm64/boot/dts/marvell/Makefile b/arch/arm64/boot/dts/marvell/Makefile
>> index 348f4db4f313..2114af8d312d 100644
>> --- a/arch/arm64/boot/dts/marvell/Makefile
>> +++ b/arch/arm64/boot/dts/marvell/Makefile
>> @@ -1,6 +1,10 @@
>> +# Berlin SoC Family
>> dtb-$(CONFIG_ARCH_BERLIN) += berlin4ct-dmp.dtb
>> dtb-$(CONFIG_ARCH_BERLIN) += berlin4ct-stb.dtb
>>
>> +# Mvebu SoC Family
>> +dtb-$(CONFIG_ARCH_MVEBU) += armada-3720-db.dtb
>> +
>> always := $(dtb-y)
>> subdir-y := $(dts-dirs)
>> clean-files := *.dtb
>> diff --git a/arch/arm64/boot/dts/marvell/armada-371x.dtsi b/arch/arm64/boot/dts/marvell/armada-371x.dtsi
>> new file mode 100644
>> index 000000000000..c9e5325b8ac3
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/marvell/armada-371x.dtsi
>> @@ -0,0 +1,53 @@
>> +/*
>> + * Device Tree Include file for Marvell Armada 371x family of SoCs
>> + * (also named 88F3710)
>> + *
>> + * Copyright (C) 2016 Marvell
>
> Is it better to Add full Marvell company name, eg. Marvell Technology Group Ltd.
>
Well for mvebu I also saw "Marvell International Ltd." and "Marvell
Semiconductors". So at least Marvell is the common pattern.
>> + *
>> + * Gregory CLEMENT <gregory.clement@...e-electrons.com>
>
> What does this mean? in copyright holder list or just author? Is it better
> to add "Author:" prefix or something else?
>
>
I don't know the subtilitis between copyright holder list and author...
> [...]
>
>> diff --git a/arch/arm64/boot/dts/marvell/armada-37xx.dtsi b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
>> new file mode 100644
>> index 000000000000..ba9df7ff2a72
>> --- /dev/null
>> +++ b/arch/arm64/boot/dts/marvell/armada-37xx.dtsi
>> @@ -0,0 +1,131 @@
>> +/*
>> + * Device Tree Include file for Marvell Armada 37xx family of SoCs.
>> + *
>> + * Copyright (C) 2016 Marvell
>> + *
>> + * Gregory CLEMENT <gregory.clement@...e-electrons.com>
>> + *
>> + * 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 free software; you can redistribute it and/or
>> + * modify it under the terms of the GNU General Public License as
>> + * published by the Free Software Foundation; either version 2 of the
>> + * License, or (at your option) any later version.
>> + *
>> + * This file is distributed in the hope that it will be useful
>> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
>> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
>> + * GNU General Public License for more details.
>> + *
>> + * 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 , 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/interrupt-controller/arm-gic.h>
>> +
>> +/ {
>> + model = "Marvell Armada 37xx SoC";
>> + compatible = "marvell,armada3700";
>> + interrupt-parent = <&gic>;
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> +
>> + aliases {
>> + serial0 = &uart0;
>> + };
>> +
>> + cpus {
>> + #address-cells = <1>;
>> + #size-cells = <0>;
>> + cpu@0 {
>> + device_type = "cpu";
>> + compatible = "arm,cortex-a53", "arm,armv8";
>> + reg = <0>;
>> + enable-method = "psci";
>> + };
>> + };
>> +
>> + psci {
>> + compatible = "arm,psci-0.2";
>> + method = "smc";
>> + };
>> +
>> + timer {
>> + compatible = "arm,armv8-timer";
>> + interrupts = <GIC_PPI 13
>> + (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>,
>> + <GIC_PPI 14
>> + (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>,
>> + <GIC_PPI 11
>> + (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>,
>> + <GIC_PPI 10
>> + (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_LEVEL_HIGH)>;
>> + };
>> +
>> + soc {
>> + compatible = "simple-bus";
>> + #address-cells = <2>;
>> + #size-cells = <2>;
>> + ranges;
>> +
>> + internal-regs {
>> + #address-cells = <1>;
>> + #size-cells = <1>;
>> + compatible = "simple-bus";
>> + /* 32M internal register @ 0xd000_0000 */
>> + ranges = <0x0 0x0 0xd0000000 0x2000000>;
>> +
>> + uart0: serial@...00 {
>> + compatible = "marvell,armada-3700-uart";
>> + reg = <0x12000 0x400>;
>> + interrupts = <GIC_SPI 11 IRQ_TYPE_LEVEL_HIGH>;
>> + status = "disabled";
>> + };
>> +
>> + usb3@...00 {
>> + compatible = "generic-xhci";
>> + reg = <0x58000 0x4000>;
>> + interrupts = <GIC_SPI 15 IRQ_TYPE_LEVEL_HIGH>;
>> + status = "disabled";
>> + };
>> +
>> + sata@...00 {
>> + compatible = "marvell,armada-3700-ahci";
>> + reg = <0xe0000 0x2000>;
>> + interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;
>> + status = "disabled";
>> + };
>> +
>> + gic: interrupt-controller@...0000 {
>> + compatible = "arm,gic-v3";
>> + #interrupt-cells = <3>;
>> + interrupt-controller;
>> + reg = <0x1d00000 0x10000>, /* GICD */
>> + <0x1d40000 0x40000>; /* GICR */
>
> There's no GICC, GICV, GICH?
As far as I know, there is only GICD and GICR.
Gregory
>
>> + };
>> + };
>> + };
>> +};
>
--
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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