From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mail-wm1-f45.google.com (mail-wm1-f45.google.com [209.85.128.45]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 246DF481652 for ; Thu, 4 Jun 2026 13:53:06 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.128.45 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780581188; cv=none; b=H8QtV+EOZ+KKjIDeFMJtq/JwRjhhAI0Acf4hHS2ntaBuqQJZ2LaqQQ5+oVgasms+hHbn1SsXlrBkiJeWA+7su3dJaTPHM5zzKklsd/pJvlGkyDJ9twjkC0j5XkbI7oIofCDo8jO9uOq1n1U0rUo5PgpdZCf4HIn5yNjd/OQGheE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1780581188; c=relaxed/simple; bh=ilepAD978lUz3gU2spyy41VvdLx7IfB2hzbepfux7ew=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=nXKKZcx0DbJUZ0W9XfYedlklbWKfDGMHT4GO1Vz3z6w6Ke48NStKIxXNoJZlHhvq3Nh4PjIpVjMLt9gImS2AfaJe2EjmU1LAPPQPfjvLBFNxPmLr5OqhoaUdsr5ulYWsMKVE4RjDUTBca2tgydhiMiiGNvxoQgMGWB40DVG75wk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=lnAli4Q9; arc=none smtp.client-ip=209.85.128.45 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="lnAli4Q9" Received: by mail-wm1-f45.google.com with SMTP id 5b1f17b1804b1-490ace40f4bso9105635e9.3 for ; Thu, 04 Jun 2026 06:53:05 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1780581184; x=1781185984; darn=lists.linux.dev; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=6AgZYnyS4i6ey0fjJps0/Fygo8+mCWzQwi4kSxOwSD0=; b=lnAli4Q9oWQZheSpGymbpxOJ7cQYL/qREBJqVNwLrYWUXUo4/YhiHXhQiHGYDmAFT1 KNLsUihRsJ+eHj17Q7FGLimvWGnlUPBYQDNvBhqxbqQ0T7eArlTggkF8MKPEL56uCvRf 8oUZsQHC8wbIz35et8BtR0FZ7+5dC6pDoVaL2IZJyq5BEMPRzk29f82TEJIrogYSu3Sh edt7F/rfSJVZRrubcF3+BLXw7OxFa8EaQ1XduZRaNbGvtygPPllRzc2OFp3PCGXoucXj /oAQQREuNu8oKVLUsodl2oot07yoStYYQtDPZ/o6PiiaiRGzgo1c+a9Yx8g2Z+SnYEYc uKew== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1780581184; x=1781185984; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=6AgZYnyS4i6ey0fjJps0/Fygo8+mCWzQwi4kSxOwSD0=; b=SHlsjcYX4xK05cjFDY8KYN2oXkh9+I/jLP/9tITTYDdqUmBSlKiWrRe/JitrU6qLSK HgkJpGPZHR1CjyY6YYjqmOyWSbpGLh22j5LfE0b62j6WmIzIk3ylm71YfOSD75/ml8r9 eUCrlCrNLgSo5n3b1CTlVs8qTZdoP2Hl9DbOH40knHHBBsOWhBmzQBXyXBlpJcq4NdKZ Hm1Ql8ES2kiisWTT+yYmomc9L5gX7AO/MZPUxi7BKBeQbuNLtIh+maC76pZ5I/VtfxZ3 HdMSgVxJLObSs0vjqJSaXDJo50rkN4Leg+HDvqvrWoiBJFC3ckkr+ddr8Y1ZxcuXwnGq FDzA== X-Forwarded-Encrypted: i=1; AFNElJ8r5033Lvv+nKHKRPNmwPHDrsO1AmLhO0K4XXZa8GNh1UKDr3h33fstAz/Fr++2Q4t9vnxSyw==@lists.linux.dev X-Gm-Message-State: AOJu0Yy50XIfZkVrbI9qeTNKrebKRRmk1HJ7b3GRXYY8BH5lkpMa67Ld KwB4yRDw6zxumTr+yNDRzmUCD68WSJVvwpe8YeAHVnyXyaKKSz9sL9VT X-Gm-Gg: Acq92OF8eJEJO2iYH4SI7rj6Qf3BCB5BxFwqxQ6TTNNH5KUhLWUvSR3MEqn42yX3sB4 xv7MqCePaSLaZ6MMmNucHgimPshBOJvAQcBCaQS9koQA+JZ5Qo1ebt9Cwj1Yyh2HZ+4pU0XmBdy qpf40Ld+fBXWtTFZLYAHISYYQbD/IMwuxkUWUd0Eh29g4HzPSuP9A7A9whiGR/genFTssBSBU5W SmVSwOGyFmbThWui6BGgpqXzk3sINNnRbg6C3Ptc5RL8NGiKhPX82mr2aM2xrFquRSY2eaDzl53 wslTPEQx/L312BefgUZveaxzyo0dIxOJbU8j5KtXTrU5Nqe3zpZlk60dPF9HeJ7BSxV5x2QvM+1 I4r4LBiYL6cWO9AKjIM72q6cdt98G8leULAw3CSOZPz7EpZ7CoWXX2jwYCb7bB9RAlDdo3OOKuj C74KuAe3hdeIUaGMxT32zPCHRHyYzwhvTV90tIf/9bOOpOPuEhUSlQP2ARCRR0z4Q= X-Received: by 2002:a05:600c:5288:b0:490:b473:8f78 with SMTP id 5b1f17b1804b1-490b5ec3ae6mr133508845e9.17.1780581184471; Thu, 04 Jun 2026 06:53:04 -0700 (PDT) Received: from compiler-rock3b.tailb81abf.ts.net ([2a01:e0a:104a:4d80:be24:11ff:fe12:2776]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-4601f0a43e9sm16661068f8f.0.2026.06.04.06.53.03 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Jun 2026 06:53:04 -0700 (PDT) From: Midgy BALON To: tomeu@tomeuvizoso.net, ogabbay@kernel.org, heiko@sntech.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, joro@8bytes.org, will@kernel.org Cc: robin.murphy@arm.com, dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org Subject: [RFC PATCH v3 9/9] arm64: dts: rockchip: rk3568-rock-3b: Enable the NPU Date: Thu, 4 Jun 2026 13:52:55 +0000 Message-Id: <20260604135255.62682-10-midgy971@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260604135255.62682-1-midgy971@gmail.com> References: <20260604135255.62682-1-midgy971@gmail.com> Precedence: bulk X-Mailing-List: iommu@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Enable the NPU and its IOMMU on ROCK 3B. vdd_npu is marked always-on so the rail is up before genpd de-idles the NPU NoC at power-on: the PMU de-idle handshake needs the rail powered. The PVTPLL compute clock is brought up later by the driver. Signed-off-by: Midgy BALON --- arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts | 14 +++++++++++++- 1 file changed, 13 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts index 69001e453732e..7ac780ed313d5 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts @@ -330,8 +330,10 @@ regulator-state-mem { vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; + regulator-always-on; + regulator-boot-on; regulator-initial-mode = <0x2>; - regulator-min-microvolt = <500000>; + regulator-min-microvolt = <825000>; regulator-max-microvolt = <1350000>; regulator-ramp-delay = <6001>; @@ -787,3 +789,13 @@ 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