rockchip: rk35xx: Enable random generator
The RK35xx SoCs contain a crypto engine block that can generate random
numbers.
Enable rng node in soc u-boot.dtsi and enable Kconfig options to take
advantage of the random generator.
Signed-off-by: Jonas Karlman <jonas@kwiboo.se>
Reviewed-by: Dragan Simic <dsimic@manjaro.org>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/dts/rk356x-u-boot.dtsi b/arch/arm/dts/rk356x-u-boot.dtsi
index d347080..0536721 100644
--- a/arch/arm/dts/rk356x-u-boot.dtsi
+++ b/arch/arm/dts/rk356x-u-boot.dtsi
@@ -21,6 +21,11 @@
bootph-all;
};
+ rng: rng@fe388000 {
+ compatible = "rockchip,cryptov2-rng";
+ reg = <0x0 0xfe388000 0x0 0x2000>;
+ };
+
otp: nvmem@fe38c000 {
compatible = "rockchip,rk3568-otp";
reg = <0x0 0xfe38c000 0x0 0x4000>;