[PATCH 1/2] ARM: dts: TS-4800: add FPGA's IRQ controller support

[Damien Riegel]

Enable FPGA's IRQ controller. It is in charge of dispatching interrupts
generated by IPs in the FPGA. The SoC is notified that an interrupt
occurred through a GPIO.

Signed-off-by: Damien Riegel <damien.rie...@savoirfairelinux.com>
---
 arch/arm/boot/dts/imx51-ts4800.dts | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/boot/dts/imx51-ts4800.dts 
b/arch/arm/boot/dts/imx51-ts4800.dts
index 0ff76a1..2c89988 100644
--- a/arch/arm/boot/dts/imx51-ts4800.dts
+++ b/arch/arm/boot/dts/imx51-ts4800.dts
@@ -149,6 +149,19 @@
                #size-cells = <1>;
                ranges = <0 0 0 0x1d000>;
 
+               fpga_irqc: fpga_irqc@0,15000 {
+                       compatible = "technologic,ts4800-irqc";
+                       reg = <0x15000 0x1000>;
+                       pinctrl-names = "default";
+                       pinctrl-0 = <&pinctrl_interrupt_fpga>;
+
+                       interrupt-parent = <&gpio2>;
+                       interrupts= <9 IRQ_TYPE_LEVEL_HIGH>;
+
+                       interrupt-controller;
+                       #interrupt-cells = <1>;
+               };
+
                syscon: syscon@b0010000 {
                        compatible = "syscon", "simple-mfd";
                        reg = <0x10000 0x3d>;
@@ -228,6 +241,12 @@
                >;
        };
 
+       pinctrl_interrupt_fpga: fpgaicgrp {
+               fsl,pins = <
+                       MX51_PAD_EIM_D27__GPIO2_9               0xe5
+               >;
+       };
+
        pinctrl_lcd: lcdgrp {
                fsl,pins = <
                        MX51_PAD_DISP1_DAT0__DISP1_DAT0         0x5
-- 
2.5.0