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Date:	Mon, 15 Aug 2016 14:55:30 +0100
From:	Zubair Lutfullah Kakakhel <Zubair.Kakakhel@...tec.com>
To:	<monstr@...str.eu>, <ralf@...ux-mips.org>, <tglx@...utronix.de>
CC:	<jason@...edaemon.net>, <marc.zyngier@....com>,
	<Zubair.Kakakhel@...tec.com>, <linux-mips@...ux-mips.org>,
	<linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>
Subject: [PATCH 4/9] MIPS: xilfpga: Use Xilinx AXI 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 <Zubair.Kakakhel@...tec.com>
---
 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 2638856..42ecf40 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -426,6 +426,7 @@ config MACH_XILFPGA
 	select SYS_SUPPORTS_ZBOOT_UART16550
 	select USE_OF
 	select USE_GENERIC_EARLY_PRINTK_8250
+	select XILINX_IRQ
 	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 48d2112..8db660b 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@...00000 {
+		#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@...00000 {
 		#gpio-cells = <1>;
 		compatible = "xlnx,xps-gpio-1.00.a";
-- 
1.9.1

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