From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id DE30ECD8C82 for ; Thu, 4 Jun 2026 13:53:11 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id 4754111A0DE; Thu, 4 Jun 2026 13:53:10 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="f8oDPbao"; dkim-atps=neutral Received: from mail-wm1-f49.google.com (mail-wm1-f49.google.com [209.85.128.49]) by gabe.freedesktop.org (Postfix) with ESMTPS id 04D7B11A0CF for ; Thu, 4 Jun 2026 13:53:06 +0000 (UTC) Received: by mail-wm1-f49.google.com with SMTP id 5b1f17b1804b1-4903d730b1fso8307495e9.2 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.freedesktop.org; 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=f8oDPbaoiHONzqeBNXsEcCKrAsNkpWRQ/lA4qAqn34VH+feJo90Ln76ePPbIGwSa5D la7sV07g3KZAQ9Ws3Lr/mvUCMRZ0dt+ej75z5P/jTFu9NFHtFO9Y7OolSNImwvJHDZ2+ 4S1vhZ6WiPpYLZl44vnFVDm5AQHPUQW8VEpqoWj6QeRBeNJp8wQAe/tdhIBkM+5jr/eC wxVLUjWEOFVUF0JRLpLZDIwnfIifz80Lh4VYEUI5gFCqfs3br467TkFfXjGGWmJtk/Jy S1Gmye5nMQFDVDkO7l8ityRRjxiqO39V0BzwARMfjMRM4/3+9ANIasugzSiuuXPsJePP 0ScQ== 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=sf9APcMu2G9tAJyjtzZk3L07pvEvmw02rgdl5PjaWHzrJqUNtTLn88r9pGRz5Ry2z3 4iIOKB2dWZAibRnKwmk62I7aLusP5uIWD3vNDJqnCqDBQ1tdF+y3TLJkTwz7w5Htn6lu qAoDRCIt3qIfkzEfQ13RYzcYik6ka8+ts6oD73VnImj23CFjKvgPbHMJRjIr9V86dy+t G9s6+huyL1bKez4t+upOpBXer73meHtKp1lDVEQU3WuXmmbTOnzorGvcLMm8vfn5YOsN BfhJepOoqpyJMn3o6wxT+5jNRxjszLkkc58K5vv+wPYZAvXRLxE+jGQK6pzdkDKVsYCG Hkxg== X-Forwarded-Encrypted: i=1; AFNElJ+DP3yyBXvacFlw4uUaT0XhmxfqBAullI39so+UXFcb9JpUzXBkYBDuOs0nXxzfQCXUdyFK2dPrvR4=@lists.freedesktop.org X-Gm-Message-State: AOJu0YzigxmfCn6+HjFqgOVj18uEqua9M1kqkZL1TOKScSAeOimU6KdP dH7M3xktfH1LfkEjTpvcgijMvAem7RpiPOL74AWobWyromuUqD7hMtDyaMNM28SENpX3Mw== X-Gm-Gg: Acq92OEjPhBhe0EyhPin1CX0I39uaqdYEn9J8nH3n87MuAtB+mqJ5PdfkB1B7sNB7pc RldrzSSB0tBihWDZTxp2+8QVc2kpc34N5JBqbL+Kadamk2kYVG32BKhaQjVM5RfwszeycIMcFFw eKoRlb6r1bRZWXoxZ4HQO/5UmAPLB+PXJKoXzOkZ2QnblUrQxnwKl+4Vjv1p5FL9aLDzgnDLRrC QTgA4y1YQeB+yoFCGAiEjzmaj47n3JJ/eh6Gs1VoScIYFTYiVG/9HBu8D+sRjblOGXo/svj/YnC VscotEcCblXVb54sy85ePqnrMucw0/Fa7rFJl7zH3UiH80Daq51Djctv0dM2t3tL9CFRorU18c0 oBiisy84++oaZOjJu5aSSa9CVBp9OZo76r91pFkwdrsUTkTBoiBZn5xg+Ts5n1ZwHgy4COuS4Fh LlcC46qXdcERLGFbYUsnG+3UcqORM/8L0Xvm/TMCI26h3NroqvRn4TFKpkvHvjcZc= 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> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" 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