[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.riegel at 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 at 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 at 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