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MIPS: xilfpga: Use Xilinx Interrupt Controller

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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@imgtec.com>
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 <ralf@linux-mips.org>
This commit is contained in:
Zubair Lutfullah Kakakhel 2016-11-22 17:52:39 +00:00 committed by Ralf Baechle
parent 35b258dc24
commit 79a9329533
2 changed files with 13 additions and 0 deletions
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1
arch/mips/Kconfig
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@ -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.

12
arch/mips/boot/dts/xilfpga/nexys4ddr.dts
View File

@ -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";