arm64: sparx5: Add support for Microchip 2xA53 SoC

This adds support for the Microchip Sparx5 ARMv8-based SoC family of
TSN-capable gigabit switches.

Link: https://lore.kernel.org/r/20200615133242.24911-3-lars.povlsen@microchip.com
Reviewed-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Lars Povlsen <lars.povlsen@microchip.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

diff --git a/MAINTAINERS b/MAINTAINERS
index f139d95..1049723 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -2119,6 +2119,14 @@ X:       drivers/net/wireless/atmel/
 N:     at91
 N:     atmel
 
+ARM/Microchip Sparx5 SoC support
+M:     Lars Povlsen <lars.povlsen@microchip.com>
+M:     Steen Hegelund <Steen.Hegelund@microchip.com>
+M:     Microchip Linux Driver Support <UNGLinuxDriver@microchip.com>
+L:     linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
+S:     Supported
+N:     sparx5
+
 ARM/MIOA701 MACHINE SUPPORT
 M:     Robert Jarzmik <robert.jarzmik@free.fr>
 L:     linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)

diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
index 95c1b90..fd9f45a 100644 (file)
--- a/arch/arm64/Kconfig.platforms
+++ b/arch/arm64/Kconfig.platforms
@@ -89,6 +89,20 @@ config ARCH_EXYNOS
        help
          This enables support for ARMv8 based Samsung Exynos SoC family.
 
+config ARCH_SPARX5
+       bool "ARMv8 based Microchip Sparx5 SoC family"
+       select PINCTRL
+       select DW_APB_TIMER_OF
+       help
+         This enables support for the Microchip Sparx5 ARMv8-based
+         SoC family of TSN-capable gigabit switches.
+
+         The SparX-5 Ethernet switch family provides a rich set of
+         switching features such as advanced TCAM-based VLAN and QoS
+         processing enabling delivery of differentiated services, and
+         security through TCAM-based frame processing using versatile
+         content aware processor (VCAP).
+
 config ARCH_K3
        bool "Texas Instruments Inc. K3 multicore SoC architecture"
        select PM_GENERIC_DOMAINS if PM