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authorStefan Agner <stefan@agner.ch>2015-03-01 23:41:27 +0100
committerJason Cooper <jason@lakedaemon.net>2015-03-08 05:08:15 +0000
commit0494e11aafc7855b1600fe19f04fadf682e52da9 (patch)
tree951c32039cafff626ee25a703fa36a58899cdac5 /drivers/irqchip/Makefile
parentc517d838eb7d07bbe9507871fab3931deccff539 (diff)
irqchip: vf610-mscm-ir: Add support for Vybrid MSCM interrupt router
This adds support for Vybrid's interrupt router. On VF6xx models, almost all peripherals can be used by either of the two CPU's, the Cortex-A5 or the Cortex-M4. The interrupt router routes the peripheral interrupts to the configured CPU. This IRQ chip driver configures the interrupt router to route the requested interrupt to the CPU the kernel is running on. The driver makes use of the irqdomain hierarchy support. The parent is given by the device tree. This should be one of the two possible parents either ARM GIC or the ARM NVIC interrupt controller. The latter is currently not yet supported. Note that there is no resource control mechnism implemented to avoid concurrent access of the same peripheral. The user needs to make sure to use device trees which assign the peripherals orthogonally. However, this driver warns the user in case the interrupt is already configured for the other CPU. This provides a poor man's resource controller. Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Stefan Agner <stefan@agner.ch> Link: https://lkml.kernel.org/r/1425249689-32354-2-git-send-email-stefan@agner.ch Signed-off-by: Jason Cooper <jason@lakedaemon.net>
Diffstat (limited to 'drivers/irqchip/Makefile')
-rw-r--r--drivers/irqchip/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/irqchip/Makefile b/drivers/irqchip/Makefile
index 42965d2476bb..9176c76eb164 100644
--- a/drivers/irqchip/Makefile
+++ b/drivers/irqchip/Makefile
@@ -37,6 +37,7 @@ obj-$(CONFIG_TB10X_IRQC) += irq-tb10x.o
obj-$(CONFIG_XTENSA) += irq-xtensa-pic.o
obj-$(CONFIG_XTENSA_MX) += irq-xtensa-mx.o
obj-$(CONFIG_IRQ_CROSSBAR) += irq-crossbar.o
+obj-$(CONFIG_SOC_VF610) += irq-vf610-mscm-ir.o
obj-$(CONFIG_BCM7120_L2_IRQ) += irq-bcm7120-l2.o
obj-$(CONFIG_BRCMSTB_L2_IRQ) += irq-brcmstb-l2.o
obj-$(CONFIG_KEYSTONE_IRQ) += irq-keystone.o