From: Chris Morgan <macromorgan@hotmail.com>
Date: Wed, 25 Aug 2021 16:23:57 +0000 (-0500)
Subject: rockchip: px30: add support for HW RNG for Odroid Go Advance
X-Git-Tag: v2022.01~10^2~15
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b774be9de5db9022a52829b6253d1502fba68c01;p=platform%2Fkernel%2Fu-boot.git

rockchip: px30: add support for HW RNG for Odroid Go Advance

The Odroid Go Advance has a hardware random number generator present.
The device does not have an upstream Linux driver, but does have a
U-Boot driver. Add the appropriate node so that the hardware RNG can be
used in U-Boot.

Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
Reviewed-by: Kever Yang <kever.yang@rock-chips.com>
---

diff --git a/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi b/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi
index bffaa3e..ea36418 100644
--- a/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi
+++ b/arch/arm/dts/rk3326-odroid-go2-u-boot.dtsi
@@ -16,6 +16,12 @@
 		serial2 = &uart2;
 		spi0 = &sfc;
 	};
+
+	rng: rng@ff0b0000 {
+		compatible = "rockchip,cryptov2-rng";
+		reg = <0x0 0xff0b0000 0x0 0x4000>;
+		status = "okay";
+	};
 };
 
 /* U-Boot clk driver for px30 cannot set GPU_CLK */