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 5B01BCD98D8 for ; Sat, 13 Jun 2026 06:58:52 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id BE7EB10ECAF; Sat, 13 Jun 2026 06:58:51 +0000 (UTC) Authentication-Results: gabe.freedesktop.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="Boj/9WR3"; dkim-atps=neutral Received: from mail-wm1-f54.google.com (mail-wm1-f54.google.com [209.85.128.54]) by gabe.freedesktop.org (Postfix) with ESMTPS id F242510EC74 for ; Sat, 13 Jun 2026 06:58:43 +0000 (UTC) Received: by mail-wm1-f54.google.com with SMTP id 5b1f17b1804b1-490b211ee6aso12149805e9.3 for ; Fri, 12 Jun 2026 23:58:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1781333922; x=1781938722; 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=6JonI5tVCKFVj4EE3HntNYMlqngF+zGzezn1FD6cSzY=; b=Boj/9WR3zVRLinscXUdeuhGIMxTFbxUJ44CwOufpXzcgpyfzzuOdhzKv6Er0zqMg5B mupz5NpjanmjdUwi6/5cw7cSxwYx27BiY1qPUghVxCcaWAyUXjCSjxOJu0rtwfnu+6Ix IJifLNSRRhS/NuG/nDAQ1PgvpcoDRIhMvIwg2dh2DW3Sz10YAECJ5PgcZiotuibk3yP0 ZyXlOFmV9bPYd+BlsiIF97Nmm4nqkxfSyb1gh36PZXMWRjVZoW7pPBftPQameHZafxgL UwDKEyUD6J33x18ieC0YJKJu/m2SrnDc5iPxj+0DbtmWagbe1Py6z2/OKKKzsNS8+cV9 jn2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781333922; x=1781938722; 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=6JonI5tVCKFVj4EE3HntNYMlqngF+zGzezn1FD6cSzY=; b=P10aXg3HUGu750g4vZU/AiJDaBeprgGrlzYxesOEduTaRnzK1M880kRRze9zpNdeuc tjjvHOTNNlaV12hxS6g8hzRQYoec3FhKox4hqnCG6oU4m5BNvG6B65SX8CHEVVyK+Fx3 DdukiApYyyrybBQK9gLNzasgspvFEOfZqC+HMHNZ1Pdbs53om2FHD+eVZkloUa0RPelF UWA+8nIGflM0zPZzopVOkU42OUPtHrzUE658WrIDLpE04bXJQycrtIXGtng2oLXxPIAu Seeaz5JpqWUHef0OofeAjkPEZEqe1gA2AljfkntWuH+rpoJQHUZmzmaCh2ZZ7hDE1DAy /GCg== X-Gm-Message-State: AOJu0Yxw8liPEJedIkTAwbVY2BDu3i66kTSrwRHRfgbZAhds5S4E92kM 6Qh0tyUbkOTywgsQwa+TRIVesN2dpS39wAjy+yPrKIUrX/qHVdry/gh1 X-Gm-Gg: Acq92OFDvA8d3DluQD6ih83h5529tuHssqvD2RLof873k8EBlXDEpJC/MVzw030TX/W rxha8AxB592cwr9S8NhpAlGJDQJJ6ZNNptP1P+lz3CCGSRg2TkCfCws6hfcjDMmXRjBlHOxWROt gvAcBuoRA2sLi0onT7YOuNJRIgayybyur0NIOk07sabGOtygeORyFtZtvsVfRU7q12GeAomG9B/ zgYJ2R4nPJfelii0OMmP5/naMCMmBu8cWwo8kTBi4U9iRS8UmLHXHb4sdOJU5z99r4JvV4yjfhr Kc8cSpRnJyNe9RHrzwmmrcMOepW5nVqUh1to7NEcpBEh86/iG80bkL+Osd4ATPfLOapFa/htJXR ZGGATVh9Xyvwn5iWJX4T4v1vvcV8HFW3x5Iai4VMF/STxfuFfKo5plLZNKsq3z3q6qMIWaEXd00 rFpylsWGF2MHzfqLu+F4fkTgjHiDqvxMFXgRSB4SYh4Q== X-Received: by 2002:a05:600c:83c8:b0:492:1e36:d16e with SMTP id 5b1f17b1804b1-4921e36d1a9mr40797495e9.36.1781333922475; Fri, 12 Jun 2026 23:58:42 -0700 (PDT) Received: from debian.tailb81abf.ts.net ([2a01:e0a:104a:4d80:14c0:9448:1c38:77df]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-492202e5cbasm42917705e9.2.2026.06.12.23.58.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jun 2026 23:58:42 -0700 (PDT) From: MidG971 To: tomeu@tomeuvizoso.net, ogabbay@kernel.org, heiko@sntech.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, ulf.hansson@linaro.org Cc: dri-devel@lists.freedesktop.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-pm@vger.kernel.org, iommu@lists.linux.dev, linux-kernel@vger.kernel.org, xxm@rock-chips.com, chaoyi.chen@rock-chips.com, finley.xiao@rock-chips.com, diederik@cknow-tech.com, jonas@kwiboo.se, Midgy BALON Subject: [RFC PATCH v4 8/9] arm64: dts: rockchip: rk3568-rock-3b: Enable the NPU Date: Sat, 13 Jun 2026 09:01:15 +0200 Message-Id: <20260613070116.438906-9-midgy971@gmail.com> X-Mailer: git-send-email 2.39.5 In-Reply-To: <20260613070116.438906-1-midgy971@gmail.com> References: <20260613070116.438906-1-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" From: Midgy BALON Enable the NPU and its IOMMU on ROCK 3B and wire vdd_npu as the NPU power domain's domain-supply, so genpd brings the rail up and down with the domain (the domain is marked need_regulator). The PVTPLL compute clock is brought up later by the driver. The rail is no longer kept always-on, so pin it to 1000 mV (the NPU's 1 GHz operating voltage; the driver runs a fixed compute rate with no devfreq voltage scaling) and mark it boot-on, so it is up before the power domain de-idles the NPU NoC at power-on. Signed-off-by: Midgy BALON --- .../arm64/boot/dts/rockchip/rk3568-rock-3b.dts | 18 ++++++++++++++++-- 1 file changed, 16 insertions(+), 2 deletions(-) diff --git a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts index 69001e453732e..d3f9776c2bdc3 100644 --- a/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts +++ b/arch/arm64/boot/dts/rockchip/rk3568-rock-3b.dts @@ -330,9 +330,10 @@ regulator-state-mem { vdd_npu: DCDC_REG4 { regulator-name = "vdd_npu"; + regulator-boot-on; regulator-initial-mode = <0x2>; - regulator-min-microvolt = <500000>; - regulator-max-microvolt = <1350000>; + regulator-min-microvolt = <1000000>; + regulator-max-microvolt = <1000000>; regulator-ramp-delay = <6001>; regulator-state-mem { @@ -787,3 +788,16 @@ vp0_out_hdmi: endpoint@ROCKCHIP_VOP2_EP_HDMI0 { remote-endpoint = <&hdmi_in_vp0>; }; }; + +&pd_npu { + domain-supply = <&vdd_npu>; +}; + +&rknn_core_0 { + npu-supply = <&vdd_npu>; + status = "okay"; +}; + +&rknn_mmu_0 { + status = "okay"; +}; -- 2.39.5