ARM: BCM53573: Initial support for Broadcom BCM53573 SoCs

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@milecki.pl>
Acked-by: Jon Mason <jon.mason@broadcom.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>

diff --git a/MAINTAINERS b/MAINTAINERS
index 20bb1d0..a91bca7 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2564,6 +2564,13 @@ 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@milecki.pl>
+L:     linux-arm-kernel@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@gmail.com>
 M:     bcm-kernel-feedback-list@broadcom.com

diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
index 34f0fca..6a6302d 100644 (file)
--- a/arch/arm/mach-bcm/Kconfig
+++ b/arch/arm/mach-bcm/Kconfig
@@ -159,6 +159,20 @@ config ARCH_BCM2835
          This enables support for the Broadcom BCM2835 and BCM2836 SoCs.
          This SoC is used in the Raspberry Pi and Roku 2 devices.
 
+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.
+
 config ARCH_BCM_63XX
        bool "Broadcom BCM63xx DSL SoC"
        depends on ARCH_MULTI_V7