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[23/31] arm64: zynqmp: Update rtc calibration value

Message ID d21c59bea71b9605006c12ee053a13320daeca8f.1623239033.git.michal.simek@xilinx.com (mailing list archive)
State New, archived
Headers show
Series arm64: zynqmp: Extend board description | expand

Commit Message

Michal Simek June 9, 2021, 11:44 a.m. UTC 
From: Srinivas Neeli <srinivas.neeli@xilinx.com>

As per the design specification
"The 16-bit Seconds Calibration Value represents the number of
 Oscillator Ticks that are required to measure the largest time
 period that is less than or equal to 1 second.
 For an oscillator that is 32.768 KHz, this value will be 0x7FFF."

Signed-off-by: Srinivas Neeli <srinivas.neeli@xilinx.com>
Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

 arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
index 80332e3b4d6a..da54a2d35552 100644
--- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
+++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi
@@ -663,7 +663,7 @@  rtc: rtc@ffa60000 {
 			interrupt-parent = <&gic>;
 			interrupts = <0 26 4>, <0 27 4>;
 			interrupt-names = "alarm", "sec";
-			calibration = <0x8000>;
+			calibration = <0x7FFF>;
 		};
 
 		sata: ahci@fd0c0000 {