linux-kernel - [PATCH 3/3] arm64: dts: qcom: ipq5332: Enable TRNG instead of PRNG

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Message-ID: <20241206072057.1508459-4-quic_mdalam@quicinc.com>
Date: Fri, 6 Dec 2024 12:50:57 +0530
From: Md Sadre Alam <quic_mdalam@...cinc.com>
To: <andersson@...nel.org>, <konradybcio@...nel.org>, <robh@...nel.org>,
        <krzk+dt@...nel.org>, <conor+dt@...nel.org>,
        <linux-arm-msm@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
CC: <quic_srichara@...cinc.com>, <quic_varada@...cinc.com>,
        <quic_mdalam@...cinc.com>
Subject: [PATCH 3/3] arm64: dts: qcom: ipq5332: Enable TRNG instead of PRNG

RNG hardware versions greater than 3.0 are Truly
Random Number Generators (TRNG). In IPQ53xx RNG
block is TRNG. Update the corresponding compatible
property to ensure the hardware block is registered
with the hw_random framework, which feeds the Linux
entropy pool.

Signed-off-by: Md Sadre Alam <quic_mdalam@...cinc.com>
---
 arch/arm64/boot/dts/qcom/ipq5332.dtsi | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/qcom/ipq5332.dtsi b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
index d3c3e215a15c..5e71c86c6935 100644
--- a/arch/arm64/boot/dts/qcom/ipq5332.dtsi
+++ b/arch/arm64/boot/dts/qcom/ipq5332.dtsi
@@ -180,7 +180,7 @@ cpu_speed_bin: cpu-speed-bin@1d {
 		};
 
 		rng: rng@...00 {
-			compatible = "qcom,prng-ee";
+			compatible = "qcom,trng";
 			reg = <0x000e3000 0x1000>;
 			clocks = <&gcc GCC_PRNG_AHB_CLK>;
 			clock-names = "core";
-- 
2.34.1