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Date: Sat, 17 Oct 2015 00:42:35 +0200
From: Hauke Mehrtens <hauke@...ke-m.de>
To: Scott Branden <sbranden@...adcom.com>,
Jon Mason <jonmason@...adcom.com>,
Florian Fainelli <f.fainelli@...il.com>,
Rob Herring <robh+dt@...nel.org>,
Pawel Moll <pawel.moll@....com>,
Mark Rutland <mark.rutland@....com>,
Ian Campbell <ijc+devicetree@...lion.org.uk>,
Kumar Gala <galak@...eaurora.org>,
Russell King <linux@....linux.org.uk>
CC: devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
linux-kernel@...r.kernel.org, bcm-kernel-feedback-list@...adcom.com
Subject: Re: [PATCH v3 2/2] ARM: dts: bcm5301x: Add BCM SVK DT files
On 10/17/2015 12:38 AM, Scott Branden wrote:
> Hi Jon,
>
> No need for the board in the compatible string.
I think the board should be named here, so we could take some code
branches based on the board, if it would have bad wiring for example.
The device tree wiki says:
"The first string in the list specifies the exact device that the node
represents"
http://devicetree.org/Device_Tree_Usage#Understanding_the_compatible_Property
The exact device here is the board not the SoC.
Hauke
>
> On 15-10-16 02:41 PM, Hauke Mehrtens wrote:
>> On 10/16/2015 12:24 AM, Jon Mason wrote:
>>> Add device tree files for Broadcom Northstar based SVKs. Since the
>>> bcm5301x.dtsi already exists, all that is necessary is the dts files to
>>> enable the UARTs. With these files, the SVKs are able to boot to shell.
>>>
>>> Signed-off-by: Jon Mason <jonmason@...adcom.com>
>>
>> Acked-by: Hauke Mehrtens <hauke@...ke-m.de>
>>
>>> ---
>>> arch/arm/boot/dts/Makefile | 5 +++-
>>> arch/arm/boot/dts/bcm94708.dts | 56
>>> +++++++++++++++++++++++++++++++++++
>>> arch/arm/boot/dts/bcm94709.dts | 56
>>> +++++++++++++++++++++++++++++++++++
>>> arch/arm/boot/dts/bcm953012k.dts | 63
>>> ++++++++++++++++++++++++++++++++++++++++
>>> 4 files changed, 179 insertions(+), 1 deletion(-)
>>> create mode 100644 arch/arm/boot/dts/bcm94708.dts
>>> create mode 100644 arch/arm/boot/dts/bcm94709.dts
>>> create mode 100644 arch/arm/boot/dts/bcm953012k.dts
>>>
>>> diff --git a/arch/arm/boot/dts/Makefile b/arch/arm/boot/dts/Makefile
>>> index 233159d..96a1b58 100644
>>> --- a/arch/arm/boot/dts/Makefile
>>> +++ b/arch/arm/boot/dts/Makefile
>>> @@ -72,7 +72,10 @@ dtb-$(CONFIG_ARCH_BCM_5301X) += \
>>> bcm47081-buffalo-wzr-900dhp.dtb \
>>> bcm4709-asus-rt-ac87u.dtb \
>>> bcm4709-buffalo-wxr-1900dhp.dtb \
>>> - bcm4709-netgear-r8000.dtb
>>> + bcm4709-netgear-r8000.dtb \
>>> + bcm94708.dtb \
>>> + bcm94709.dtb \
>>> + bcm953012k.dtb
>>> dtb-$(CONFIG_ARCH_BCM_63XX) += \
>>> bcm963138dvt.dtb
>>> dtb-$(CONFIG_ARCH_BCM_CYGNUS) += \
>>> diff --git a/arch/arm/boot/dts/bcm94708.dts
>>> b/arch/arm/boot/dts/bcm94708.dts
>>> new file mode 100644
>>> index 0000000..49682d6
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/bcm94708.dts
>>> @@ -0,0 +1,56 @@
>>> +/*
>>> + * BSD LICENSE
>>> + *
>>> + * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
>>> + *
>>> + * Redistribution and use in source and binary forms, with or without
>>> + * modification, are permitted provided that the following conditions
>>> + * are met:
>>> + *
>>> + * * Redistributions of source code must retain the above copyright
>>> + * notice, this list of conditions and the following disclaimer.
>>> + * * Redistributions in binary form must reproduce the above
>>> copyright
>>> + * notice, this list of conditions and the following disclaimer in
>>> + * the documentation and/or other materials provided with the
>>> + * distribution.
>>> + * * Neither the name of Broadcom Corporation nor the names of its
>>> + * contributors may be used to endorse or promote products derived
>>> + * from this software without specific prior written permission.
>>> + *
>>> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
>>> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
>>> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
>>> FITNESS FOR
>>> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
>>> COPYRIGHT
>>> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
>>> INCIDENTAL,
>>> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
>>> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
>>> USE,
>>> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
>>> ON ANY
>>> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
>>> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
>>> THE USE
>>> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
>>> DAMAGE.
>>> + */
>>> +
>>> +/dts-v1/;
>>> +
>>> +#include "bcm4708.dtsi"
>>> +
>>> +/ {
>>> + model = "NorthStar SVK (BCM94708)";
>>> + compatible = "brcm,bcm94708", "brcm,bcm4708";
> no need for brcm,bcm94708
>>> +
>>> + aliases {
>>> + serial0 = &uart0;
>>> + };
>>> +
>>> + chosen {
>>> + bootargs = "console=ttyS0,115200";
>>> + };
>>> +
>>> + memory {
>>> + reg = <0x00000000 0x08000000>;
>>> + };
>>> +};
>>> +
>>> +&uart0 {
>>> + status = "okay";
>>> +};
>>> diff --git a/arch/arm/boot/dts/bcm94709.dts
>>> b/arch/arm/boot/dts/bcm94709.dts
>>> new file mode 100644
>>> index 0000000..4ab19c0
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/bcm94709.dts
>>> @@ -0,0 +1,56 @@
>>> +/*
>>> + * BSD LICENSE
>>> + *
>>> + * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
>>> + *
>>> + * Redistribution and use in source and binary forms, with or without
>>> + * modification, are permitted provided that the following conditions
>>> + * are met:
>>> + *
>>> + * * Redistributions of source code must retain the above copyright
>>> + * notice, this list of conditions and the following disclaimer.
>>> + * * Redistributions in binary form must reproduce the above
>>> copyright
>>> + * notice, this list of conditions and the following disclaimer in
>>> + * the documentation and/or other materials provided with the
>>> + * distribution.
>>> + * * Neither the name of Broadcom Corporation nor the names of its
>>> + * contributors may be used to endorse or promote products derived
>>> + * from this software without specific prior written permission.
>>> + *
>>> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
>>> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
>>> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
>>> FITNESS FOR
>>> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
>>> COPYRIGHT
>>> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
>>> INCIDENTAL,
>>> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
>>> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
>>> USE,
>>> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
>>> ON ANY
>>> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
>>> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
>>> THE USE
>>> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
>>> DAMAGE.
>>> + */
>>> +
>>> +/dts-v1/;
>>> +
>>> +#include "bcm4708.dtsi"
>>> +
>>> +/ {
>>> + model = "NorthStar SVK (BCM94709)";
>>> + compatible = "brcm,bcm94709", "brcm,bcm4709", "brcm,bcm4708";
> no need for brcm,bcm94709
>>> +
>>> + aliases {
>>> + serial0 = &uart0;
>>> + };
>>> +
>>> + chosen {
>>> + bootargs = "console=ttyS0,115200";
>>> + };
>>> +
>>> + memory {
>>> + reg = <0x00000000 0x08000000>;
>>> + };
>>> +};
>>> +
>>> +&uart0 {
>>> + status = "okay";
>>> +};
>>> diff --git a/arch/arm/boot/dts/bcm953012k.dts
>>> b/arch/arm/boot/dts/bcm953012k.dts
>>> new file mode 100644
>>> index 0000000..a512c45
>>> --- /dev/null
>>> +++ b/arch/arm/boot/dts/bcm953012k.dts
>>> @@ -0,0 +1,63 @@
>>> +/*
>>> + * BSD LICENSE
>>> + *
>>> + * Copyright(c) 2015 Broadcom Corporation. All rights reserved.
>>> + *
>>> + * Redistribution and use in source and binary forms, with or without
>>> + * modification, are permitted provided that the following conditions
>>> + * are met:
>>> + *
>>> + * * Redistributions of source code must retain the above copyright
>>> + * notice, this list of conditions and the following disclaimer.
>>> + * * Redistributions in binary form must reproduce the above
>>> copyright
>>> + * notice, this list of conditions and the following disclaimer in
>>> + * the documentation and/or other materials provided with the
>>> + * distribution.
>>> + * * Neither the name of Broadcom Corporation nor the names of its
>>> + * contributors may be used to endorse or promote products derived
>>> + * from this software without specific prior written permission.
>>> + *
>>> + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
>>> + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
>>> + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
>>> FITNESS FOR
>>> + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
>>> COPYRIGHT
>>> + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
>>> INCIDENTAL,
>>> + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
>>> + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
>>> USE,
>>> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
>>> ON ANY
>>> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
>>> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
>>> THE USE
>>> + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
>>> DAMAGE.
>>> + */
>>> +
>>> +/dts-v1/;
>>> +
>>> +#include "bcm4708.dtsi"
>>> +
>>> +/ {
>>> + model = "NorthStar SVK (BCM953012K)";
>>> + compatible = "brcm,bcm953012k", "brcm,brcm53012", "brcm,bcm4708";
> no need for brcm,bcm953012k
>>> +
>>> + aliases {
>>> + serial0 = &uart0;
>>> + serial1 = &uart1;
>>> + };
>>> +
>>> + chosen {
>>> + bootargs = "console=ttyS0,115200";
>>> + };
>>> +
>>> + memory {
>>> + reg = <0x00000000 0x10000000>;
>>> + };
>>> +};
>>> +
>>> +&uart0 {
>>> + clock-frequency = <62499840>;
>>> + status = "okay";
>>> +};
>>> +
>>> +&uart1 {
>>> + clock-frequency = <62499840>;
>>> + status = "okay";
>>> +};
>>>
>>
>
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