arm64: zynqmp: rtc: Add calibration

This patch adds the calibration property with required value,
calculated based on rtc input crystal oscillator frequency (32.768Khz).

Signed-off-by: Nava kishore Manne <navam@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>

diff --git a/arch/arm/dts/zynqmp.dtsi b/arch/arm/dts/zynqmp.dtsi
index f2c0b5ebf9ab2104a68312a4ac52bd24a32a39c9..951e069ecd288e7d92aee116945a1a3f26efa575 100644 (file)
--- a/arch/arm/dts/zynqmp.dtsi
+++ b/arch/arm/dts/zynqmp.dtsi
@@ -764,6 +764,7 @@
                        interrupt-parent = <&gic>;
                        interrupts = <0 26 4>, <0 27 4>;
                        interrupt-names = "alarm", "sec";
+                       calibration = <0x8000>;
                };
 
                serdes: zynqmp_phy@fd400000 {