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[2a01:cb09:e035:4cc8:78d0:97:5365:75e1]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4909cabfd6esm55150315e9.15.2026.05.29.08.56.16 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 29 May 2026 08:56:17 -0700 (PDT) From: MidG971 To: Tomeu Vizoso , Oded Gabbay Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, Midgy BALON Subject: [PATCH v2 4/4] arm64: dts: rockchip: rk3568-rock-3b: Enable NPU Date: Fri, 29 May 2026 17:58:24 +0200 Message-Id: <20260529155824.3099831-5-midgy971@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260529155824.3099831-1-midgy971@gmail.com> References: <20260529155824.3099831-1-midgy971@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Midgy BALON Enable the RKNN core 0 and its IOMMU on the Radxa ROCK 3B by overriding their status. The Rocket accel driver binds via the rockchip,rk3568-rknn-core compatible. The NPU is powered from vdd_npu (regulator already defined for OPP table). The IOMMU node is also enabled so the rocket driver can manage its own paging domain for user-mode submissions. Signed-off-by: Midgy BALON --- arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts index 3d0c1ccfa..d54229123 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts @@ -779,3 +779,12 @@ vp0_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 { remote-endpoint = <&hdmi_in_vp0>; }; }; + +&rknn_core_0 { + npu-supply = <&vdd_npu>; + status = "okay"; +}; + +&rknn_mmu_0 { + status = "okay"; +}; -- 2.39.5