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([2a0a:ef40:ea3:3f01:2e0:4cff:fe68:285]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c15ad9bcc26sm357653666b.34.2026.07.08.10.59.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 08 Jul 2026 10:59:11 -0700 (PDT) From: Dawid Olesinski To: Herbert Xu , "David S . Miller" , Rob Herring , Krzysztof Kozlowski Cc: Conor Dooley , Heiko Stuebner , Corentin Labbe , linux-crypto@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Dawid Olesinski Subject: [PATCH v2 3/4] arm64: dts: rockchip: Add crypto node to rk356x-base Date: Wed, 8 Jul 2026 18:58:24 +0100 Message-ID: <20260708175837.1718437-4-dawidro@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: <20260708175837.1718437-1-dawidro@gmail.com> References: <20260708175837.1718437-1-dawidro@gmail.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add the device tree node for the V2 cryptographic hardware accelerator on RK356x SoCs (RK3566, RK3568). The IP block sits in the non-secure peripheral domain. Its three clocks (core, aclk, hclk) and reset line are accessible directly through the main non-secure CRU, so no firmware intermediary is required. The node is disabled by default; board files that wish to use hardware crypto offload must enable it. Signed-off-by: Dawid Olesinski --- arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi index a5832895bd39..9de7e7487ca1 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi @@ -1112,6 +1112,18 @@ sdhci: mmc@fe310000 { status = "disabled"; }; + crypto: crypto@fe380000 { + compatible = "rockchip,rk3568-crypto"; + reg = <0x0 0xfe380000 0x0 0x2000>; + interrupts = ; + clocks = <&cru CLK_CRYPTO_NS_CORE>, <&cru ACLK_CRYPTO_NS>, + <&cru HCLK_CRYPTO_NS>; + clock-names = "core", "aclk", "hclk"; + resets = <&cru SRST_CRYPTO_NS_CORE>; + reset-names = "core"; + status = "disabled"; + }; + /* * Testing showed that the HWRNG found in RK3566 produces unacceptably * low quality of random data, so the HWRNG isn't enabled for all RK356x -- 2.47.3