arm: zynq: Enable arm_global_timer

Zynq is based on an ARM Cortex-A9 MPCore, which features the
arm_global_timer in its SCU. Therefore enable the timer for Zynq.

Signed-off-by: Soren Brinkmann <soren.brinkmann@xilinx.com>
Acked-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Acked-by: Michal Simek <michal.simek@xilinx.com>

2 files changed, 9 insertions, 0 deletions

diff --git a/arch/arm/boot/dts/zynq-7000.dtsi b/arch/arm/boot/dts/zynq-7000.dtsi
index e32b92b949d2..e7f73b2e4550 100644
--- a/arch/arm/boot/dts/zynq-7000.dtsi
+++ b/arch/arm/boot/dts/zynq-7000.dtsi
@@ -92,6 +92,14 @@
                         };
                 };
 
+                global_timer: timer@f8f00200 {
+                        compatible = "arm,cortex-a9-global-timer";
+                        reg = <0xf8f00200 0x20>;
+                        interrupts = <1 11 0x301>;
+                        interrupt-parent = <&intc>;
+                        clocks = <&clkc 4>;
+                };
+
                 ttc0: ttc0@f8001000 {
                         interrupt-parent = <&intc>;
                         interrupts = < 0 10 4 0 11 4 0 12 4 >;
diff --git a/arch/arm/mach-zynq/Kconfig b/arch/arm/mach-zynq/Kconfig
index 04f8a4a6e755..6b04260aa142 100644
--- a/arch/arm/mach-zynq/Kconfig
+++ b/arch/arm/mach-zynq/Kconfig
@@ -13,5 +13,6 @@ config ARCH_ZYNQ
         select HAVE_SMP
         select SPARSE_IRQ
         select CADENCE_TTC_TIMER
+        select ARM_GLOBAL_TIMER
         help
           Support for Xilinx Zynq ARM Cortex A9 Platform