From 79a93295339c1983efcecb466e17edd786a9c556 Mon Sep 17 00:00:00 2001 From: Zubair Lutfullah Kakakhel Date: Tue, 22 Nov 2016 17:52:39 +0000 Subject: [PATCH] MIPS: xilfpga: Use Xilinx Interrupt Controller IRQs from peripherals such as i2c/uart/ethernet come via the AXI Interrupt controller. Select it in Kconfig for xilfpga and add the DT node Signed-off-by: Zubair Lutfullah Kakakhel Cc: linux-mips@linux-mips.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/14592/ Signed-off-by: Ralf Baechle --- arch/mips/Kconfig | 1 + arch/mips/boot/dts/xilfpga/nexys4ddr.dts | 12 ++++++++++++ 2 files changed, 13 insertions(+) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 7cb4b0e5f49a..af4eed3136f5 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -479,6 +479,7 @@ config MACH_XILFPGA select SYS_SUPPORTS_ZBOOT_UART16550 select USE_OF select USE_GENERIC_EARLY_PRINTK_8250 + select XILINX_INTC help This enables support for the IMG University Program MIPSfpga platform. diff --git a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts index 48d21127c3f3..8db660b06ac9 100644 --- a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts +++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts @@ -17,6 +17,18 @@ compatible = "mti,cpu-interrupt-controller"; }; + axi_intc: interrupt-controller@10200000 { + #interrupt-cells = <1>; + compatible = "xlnx,xps-intc-1.00.a"; + interrupt-controller; + reg = <0x10200000 0x10000>; + xlnx,kind-of-intr = <0x0>; + xlnx,num-intr-inputs = <0x6>; + + interrupt-parent = <&cpuintc>; + interrupts = <6>; + }; + axi_gpio: gpio@10600000 { #gpio-cells = <1>; compatible = "xlnx,xps-gpio-1.00.a";