ARM: zynq: add clk binding support to the ttc

Add support for retrieving TTC configuration from device tree.  This
includes the ability to pull information about the driving clocks from
the of_clk bindings.

Signed-off-by: Josh Cartwright <josh.cartwright@ni.com>
Acked-by: Michal Simek <michal.simek@xilinx.com>

1 files changed, 53 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index bb3085ca4f0..401c1262d4e 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -109,5 +109,58 @@
 				};
 			};
 		};
+
+		ttc0: ttc0@f8001000 {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "xlnx,ttc";
+			reg = <0xF8001000 0x1000>;
+			clocks = <&cpu_clk 3>;
+			clock-names = "cpu_1x";
+			clock-ranges;
+
+			ttc0_0: ttc0.0 {
+				status = "disabled";
+				reg = <0>;
+				interrupts = <0 10 4>;
+			};
+			ttc0_1: ttc0.1 {
+				status = "disabled";
+				reg = <1>;
+				interrupts = <0 11 4>;
+			};
+			ttc0_2: ttc0.2 {
+				status = "disabled";
+				reg = <2>;
+				interrupts = <0 12 4>;
+			};
+		};
+
+		ttc1: ttc1@f8002000 {
+			#interrupt-parent = <&intc>;
+			#address-cells = <1>;
+			#size-cells = <0>;
+			compatible = "xlnx,ttc";
+			reg = <0xF8002000 0x1000>;
+			clocks = <&cpu_clk 3>;
+			clock-names = "cpu_1x";
+			clock-ranges;
+
+			ttc1_0: ttc1.0 {
+				status = "disabled";
+				reg = <0>;
+				interrupts = <0 37 4>;
+			};
+			ttc1_1: ttc1.1 {
+				status = "disabled";
+				reg = <1>;
+				interrupts = <0 38 4>;
+			};
+			ttc1_2: ttc1.2 {
+				status = "disabled";
+				reg = <2>;
+				interrupts = <0 39 4>;
+			};
+		};
 	};
 };