From: Brian Masney <bmasney@redhat.com>
Date: Tue, 3 Jan 2023 18:22:29 +0000 (-0500)
Subject: arm64: dts: qcom: sc8280xp: add rng device tree node
X-Git-Tag: v6.6.7~3530^2~45^2~25
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=fa5573edd01e6dcf5aa2b2298be2a35d04917148;p=platform%2Fkernel%2Flinux-starfive.git

arm64: dts: qcom: sc8280xp: add rng device tree node

Add the necessary device tree node for qcom,prng-ee so we can use the
hardware random number generator. This functionality was tested on a
SA8540p automotive development board using kcapi-rng from libkcapi.

Signed-off-by: Brian Masney <bmasney@redhat.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Bjorn Andersson <andersson@kernel.org>
Link: https://lore.kernel.org/r/20230103182229.37169-11-bmasney@redhat.com
---

diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
index e9a0ff5..70d0da0 100644
--- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
+++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi
@@ -1639,6 +1639,13 @@
 			};
 		};
 
+		rng: rng@10d3000 {
+			compatible = "qcom,prng-ee";
+			reg = <0 0x010d3000 0 0x1000>;
+			clocks = <&rpmhcc RPMH_HWKM_CLK>;
+			clock-names = "core";
+		};
+
 		pcie4: pcie@1c00000 {
 			device_type = "pci";
 			compatible = "qcom,pcie-sc8280xp";