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[73.214.169.22]) by smtp.gmail.com with ESMTPSA id t30-20020a37ea1e000000b006eef13ef4c8sm10305477qkj.94.2022.12.14.09.12.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 14 Dec 2022 09:12:06 -0800 (PST) From: Brian Masney To: andersson@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: quic_shazhuss@quicinc.com, konrad.dybcio@linaro.org, robh+dt@kernel.org, johan+linaro@kernel.org, linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, ahalaney@redhat.com, echanude@redhat.com Subject: [PATCH v2 7/7] arm64: dts: qcom: sc8280xp: add rng device tree node Date: Wed, 14 Dec 2022 12:11:45 -0500 Message-Id: <20221214171145.2913557-8-bmasney@redhat.com> X-Mailer: git-send-email 2.38.1 In-Reply-To: <20221214171145.2913557-1-bmasney@redhat.com> References: <20221214171145.2913557-1-bmasney@redhat.com> MIME-Version: 1.0 Content-type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org 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 --- This is a new patch that's introduced in v2. arch/arm64/boot/dts/qcom/sc8280xp.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi index 4591d411f5fb..67765975361b 100644 --- a/arch/arm64/boot/dts/qcom/sc8280xp.dtsi +++ b/arch/arm64/boot/dts/qcom/sc8280xp.dtsi @@ -2811,6 +2811,13 @@ tlmm: pinctrl@f100000 { gpio-ranges = <&tlmm 0 0 230>; }; + rng: rng@10d3000 { + compatible = "qcom,prng-ee"; + reg = <0 0x010d3000 0 0x1000>; + clocks = <&rpmhcc RPMH_HWKM_CLK>; + clock-names = "core"; + }; + apps_smmu: iommu@15000000 { compatible = "qcom,sc8280xp-smmu-500", "arm,mmu-500"; reg = <0 0x15000000 0 0x100000>;