diff mbox series

[2/3] arm: dts: imx6sx: Add entropy delay property

Message ID 20220530180924.1792399-3-vabhav.sharma@nxp.com (mailing list archive)
State Changes Requested
Delegated to: Herbert Xu
Headers show
Series add entropy delay device tree property | expand

Commit Message

Vabhav Sharma May 30, 2022, 6:09 p.m. UTC 
Add imx6sx entropy-delay property.

TRNG self test are run to determine the correct entropy delay.
firmware test is executed with different voltage and temperature to
identify the worst case value for entropy delay. after adding a margin
value(1000),entropy delay should be at least 12000.

Signed-off-by: Vabhav Sharma <vabhav.sharma@nxp.com>
Reviewed-by: Horia Geanta <horia.geanta@nxp.com>
Reviewed-by: Gaurav Jain <gaurav.jain@nxp.com>
---
 arch/arm/boot/dts/imx6sx.dtsi | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/arch/arm/boot/dts/imx6sx.dtsi b/arch/arm/boot/dts/imx6sx.dtsi
index fc6334336b3d..305fad35f5c4 100644
--- a/arch/arm/boot/dts/imx6sx.dtsi
+++ b/arch/arm/boot/dts/imx6sx.dtsi
@@ -864,6 +864,7 @@  aips2: bus@2100000 {
 
 			crypto: crypto@2100000 {
 				compatible = "fsl,sec-v4.0";
+				entropy-delay = <12000>;
 				#address-cells = <1>;
 				#size-cells = <1>;
 				reg = <0x2100000 0x10000>;