[PATCH soc/next?] ARM: BCM53573: Initial support for Broadcom BCM53573 SoCs

[Rafał Miłecki]

On 16 August 2016 at 19:52, Jon Mason <jon.mason at broadcom.com> wrote:
> On Fri, Aug 12, 2016 at 4:26 AM, Rafał Miłecki <zajec5 at gmail.com> wrote:
>> From: Rafał Miłecki <rafal at milecki.pl>
>>
>> BCM53573 series is a new family with embedded wireless. By marketing
>> people it's sometimes called Northstar but it uses different CPU and has
>> different architecture so we need a new symbol for it.
>> Fortunately it shares some peripherals with other iProc based SoCs so we
>> will be able to reuse some drivers/bindings.
>>
>> Signed-off-by: Rafał Miłecki <rafal at milecki.pl>
>> ---
>> Resending as linux-arm-kernel ML rejected my e-mail due to the wrong address:
>> bcm-kernel-feedback-list at broadcom.com>
>> ---
>>  MAINTAINERS               |  7 +++++++
>>  arch/arm/mach-bcm/Kconfig | 15 +++++++++++++++
>>  2 files changed, 22 insertions(+)
>>
>> diff --git a/MAINTAINERS b/MAINTAINERS
>> index 7304d2e..9e2db2e 100644
>> --- a/MAINTAINERS
>> +++ b/MAINTAINERS
>> @@ -2517,6 +2517,13 @@ F:       arch/arm/mach-bcm/bcm_5301x.c
>>  F:     arch/arm/boot/dts/bcm5301x.dtsi
>>  F:     arch/arm/boot/dts/bcm470*
>>
>> +BROADCOM BCM53573 ARM ARCHITECTURE
>> +M:     Rafał Miłecki <rafal at milecki.pl>
>> +L:     linux-arm-kernel at lists.infradead.org
>> +S:     Maintained
>> +F:     arch/arm/boot/dts/bcm53573*
>> +F:     arch/arm/boot/dts/bcm47189*
>> +
>>  BROADCOM BCM63XX ARM ARCHITECTURE
>>  M:     Florian Fainelli <f.fainelli at gmail.com>
>>  L:     linux-arm-kernel at lists.infradead.org (moderated for non-subscribers)
>> diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
>> index 5832dba..9a6c3ae 100644
>> --- a/arch/arm/mach-bcm/Kconfig
>> +++ b/arch/arm/mach-bcm/Kconfig
>> @@ -76,6 +76,21 @@ config ARCH_BCM_5301X
>>           different SoC or with the older BCM47XX and BCM53XX based
>>           network SoC using a MIPS CPU, they are supported by arch/mips/bcm47xx
>>
>> +config ARCH_BCM_53573
>> +       bool "Broadcom BCM53573 SoC series support"
>> +       depends on ARCH_MULTI_V7
>> +       select ARCH_BCM_IPROC
>> +       select HAVE_ARM_ARCH_TIMER
>> +
>> +       help
>> +         BCM53573 series is set of SoCs using ARM Cortex-A7 CPUs with wireless
>> +         embedded in the chipset.
>> +         This SoC line is mostly used in home routers and is some cheaper
>> +         alternative for Northstar family.
>> +
>> +         The base chip is BCM53573 and there are some packaging modifications
>> +         like BCM47189 and BCM47452.
>> +
>
> This will put it under the "iProc" section.  I think we would want it
> under the "Other Architectures" section.

Oh, we're still having some miscommunication here. I did this choice
based on Ray's e-mail where he said it's SoC sharing peripherals with
iProc ones:

On 10 August 2016 at 19:44, Ray Jui <ray.jui at broadcom.com> wrote:
> Out of curiosity, I searched the datasheet and found this is a wireless
> router SoC done by the WLAN team. It happens to share some peripherals with
> other iProc based SoCs.

Is this wrong then? Ray?

-- 
Rafał