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[83.9.1.44]) by smtp.gmail.com with ESMTPSA id u23-20020a196a17000000b004994c190581sm1154417lfu.123.2022.12.15.04.56.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 15 Dec 2022 04:56:19 -0800 (PST) Message-ID: <90437b6d-0543-80c5-ea27-238e3aafc6ea@linaro.org> Date: Thu, 15 Dec 2022 13:56:18 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.6.0 Subject: Re: [PATCH v2 7/7] arm64: dts: qcom: sc8280xp: add rng device tree node Content-Language: en-US To: Brian Masney , andersson@kernel.org, krzysztof.kozlowski+dt@linaro.org Cc: quic_shazhuss@quicinc.com, 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 References: <20221214171145.2913557-1-bmasney@redhat.com> <20221214171145.2913557-8-bmasney@redhat.com> From: Konrad Dybcio In-Reply-To: <20221214171145.2913557-8-bmasney@redhat.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 14.12.2022 18:11, Brian Masney wrote: > 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 > --- Nodes with MMIO addresses should be sorted address-wise, so this one should come between qup1 and pcie4. Konrad > 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>;