[PATCH 4/6] MIPS: xilfpga: Add DT node for AXI I2C

[Zubair Lutfullah Kakakhel]

The xilfpga platform has an AXI I2C Bus master with a temperature
sensor connected to it.

Add the device tree node to use them.

Signed-off-by: Zubair Lutfullah Kakakhel <zubair.kakak...@imgtec.com>
---
 arch/mips/boot/dts/xilfpga/nexys4ddr.dts | 22 ++++++++++++++++++++++
 1 file changed, 22 insertions(+)

diff --git a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts 
b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
index d285c8d..f5ebab8 100644
--- a/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
+++ b/arch/mips/boot/dts/xilfpga/nexys4ddr.dts
@@ -54,6 +54,28 @@
                interrupt-parent = <&axi_intc>;
                interrupts = <0>;
        };
+
+       axi_i2c: i2c@10A00000 {
+           compatible = "xlnx,xps-iic-2.00.a";
+           interrupt-parent = <&axi_intc>;
+           interrupts = <4>;
+           reg = < 0x10A00000 0x10000 >;
+           clocks = <&ext>;
+           xlnx,clk-freq = <0x5f5e100>;
+           xlnx,family = "Artix7";
+           xlnx,gpo-width = <0x1>;
+           xlnx,iic-freq = <0x186a0>;
+           xlnx,scl-inertial-delay = <0x0>;
+           xlnx,sda-inertial-delay = <0x0>;
+           xlnx,ten-bit-adr = <0x0>;
+           #address-cells = <1>;
+           #size-cells = <0>;
+
+           ad7420@4B {
+               compatible = "adi,adt7420";
+               reg = <0x4B>;
+           };
+       } ;
 };
 
 &ext {
-- 
2.10.2