[Patch v5 10/12] MIPS: xilfpga: Add DT node for AXI I2C

From: Zubair Lutfullah Kakakhel
Date: Mon Oct 17 2016 - 12:54:58 EST


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.Kakakhel@xxxxxxxxxx>

---
V3 -> V4
changed compatible string from "adt7420" to "adi,adt7420"

V2 -> V3
No change

V1 -> V2

No change
---
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 {
--
1.9.1