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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (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 0B2EDCD98DA for ; Sat, 13 Jun 2026 06:59:00 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Itd0g1iJnOUgeMjQBgnUjQKfrzycpU+NNfDVls1LHkA=; b=IV9IxgX8/0Drx4 nyfHfH6/8mmH6wHZXhXfUXaOsP001iJjoohJoT+rip+wrTBK9QsEvPesIwkULm4v9iMDRFun0eZEI Qh71MhgVNGcF9yp2eSLTPYfkD3ZS+5/6d4+cEOZwb9GZLSF+Zyi14TJR047wNteZlkJuMvkiNEL4T wumckkT+B5onDk2/3p9PhJj6YM8A5TsEeeIgKNXeVo3sR1CK4vKKHD3vRJ3TE5qkq7RFlFEiLC3yN 1wVeRnlnEEuEVsO+BKAOM3PM1gFk5rRFnlhScK5GhgDQ4x7AlxfLMhEgGzihRG8dk1/gRNqovnhC1 KOyCN/dgOXIssBFwJohg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.99.1 #2 (Red Hat Linux)) id 1wYIKX-0000000C1Hb-39RX; Sat, 13 Jun 2026 06:58:57 +0000 Received: from mail-wm1-x331.google.com ([2a00:1450:4864:20::331]) by bombadil.infradead.org with esmtps (Exim 4.99.1 #2 (Red Hat Linux)) id 1wYIKI-0000000C0wq-1e7y for linux-rockchip@lists.infradead.org; Sat, 13 Jun 2026 06:58:47 +0000 Received: by mail-wm1-x331.google.com with SMTP id 5b1f17b1804b1-491609cdd8fso7679975e9.2 for ; Fri, 12 Jun 2026 23:58:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1781333921; x=1781938721; darn=lists.infradead.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=ExjVQvO4/iWqbTjsUJjExpq/Pad0yGuPxgZEv8g/Xlo=; b=ZdJfMidXKu9CD+KNjREK5N96tRtjEC3UmS/eewvIUpgnw0oxb0W5guj3HHysqUJUaI wpEBmYrjCkdJNJJCkXZUFklFXi2eGF+glkKhy6iTr38Y2JscsptZk0AG+QuRyDEORCpk HJB6ThVPqrx+QDAyrEbrQtIWU8SLN16HfEYlVFPqk2c0M8hwyir9kPE46I4TievP6jZo 6vhuOO19yj0YjZIBU2t9aJuWQt6N2Zxq1oYvrVpSi6ngEW6oVav1HykQPtvEEqwd+8DN QY02wcXOu5GOdqoH8r0D8m22gTLCGq+xPn944nyX1PoDcP5QPaCyUFlta4r12LzF8Kas S0zA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781333921; x=1781938721; 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=ExjVQvO4/iWqbTjsUJjExpq/Pad0yGuPxgZEv8g/Xlo=; b=a7LmLNhbCwAa2qs5/yd/n0adH2YbqjjIgv+56d9nudcdmcpcLQf5BSqpSz+go9F+ON r/GE5ntGBcNpsjeeyhk+T+KoW7nLLk8+QmNZG9nGgTJrUlN78nHXEFci1feHz2PdTxac OLKHMs3BGYXxC4A7t16pfq5eeG44SrCXSZ0Hlz0pPFh0D0wD57K+x/5ZmWFaJegsT+oK zX61Y43GY1aedwjKxz4xh4vkj/jkUeBrgb9Zx2UaVGeV1419zYb70KLWqiTI3/vKsRMz YVAqyZ+x/ONI4qg7URmI4axNNkbjrqEibVzavk83LgyMy5WF7HbfZgHSOWrdG7r2z5Uk 8puQ== X-Forwarded-Encrypted: i=1; AFNElJ9cYgyTj0xSHGd+0NE3RvVRQBqrNFrKzkbb150GDHWOR8lHSJaiQlwIC7TyDEfbzFzJAL6mrxmO9vTLlzlmag==@lists.infradead.org X-Gm-Message-State: AOJu0YxUtNGFcdASYiL8EP5Lnirif71FgquiaMKnQlWcELniFu58kKe8 e5K3JfU8YV1iLYxEhhd9JlCBkMQoo5aGYfMTCpt6/Vc+rK2oAn2aAEV2 X-Gm-Gg: Acq92OGW2K1Br5giFaDtjYChPRhoM+oDrcYVBS8FXsgeuAEfmKj4ITizrGCB4kWS63B 52Kipw5iKXJaWYw5iz2vEIJNMtHWgoGf3SeyVvWurUT87TIWT1AlsUC5s8Q/UumIB8p9eopy8Ta RHHtvt0fzRFsZSCDwcPpErwK7YA0QECJw3218q60EGt6EHj7aF6nsjhU6RLWRVTSrR4opkOS6SW h1EZrZX0n5Egh7ka0t7Q2wJkJN4LYcBnmr5RBtCFVnX3l/i+F9HE49JsmiGdaPcAPn9G0vCfL/g dBxRadbpgIVK90pTO9ey40+CuzgCSv3KM3mZter/r6pcbpXW6RcyXRmnfYX0nIMzy22QL6rg1jT FaBiVfb57iyIJdQs7H7AvxbdggbEqXLspumyU/JRepy6INBGaJsB+LEu2ZVs848FmibECrhY4XI fmeJQo9vIpst9ofnvbIfQYTKf1X9eLVaDTIr0ABX56bQ== X-Received: by 2002:a05:600c:a47:b0:490:52c0:744c with SMTP id 5b1f17b1804b1-490ec4ee63cmr73748795e9.20.1781333920798; Fri, 12 Jun 2026 23:58:40 -0700 (PDT) Received: from debian.tailb81abf.ts.net ([2a01:e0a:104a:4d80:14c0:9448:1c38:77df]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-492202e5cbasm42917705e9.2.2026.06.12.23.58.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 12 Jun 2026 23:58:40 -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 7/9] arm64: dts: rockchip: rk356x: Add the NPU and its IOMMU Date: Sat, 13 Jun 2026 09:01:14 +0200 Message-Id: <20260613070116.438906-8-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 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260612_235842_456485_8C8B9964 X-CRM114-Status: UNSURE ( 9.88 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-rockchip@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: Upstream kernel work for Rockchip platforms List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-rockchip" Errors-To: linux-rockchip-bounces+linux-rockchip=archiver.kernel.org@lists.infradead.org From: Midgy BALON The RK3568 has an NVDLA-derived NPU at fde40000 with its own IOMMU at fde4b000. Add both nodes (disabled by default) and the NPU power-domain child under the PMU power-controller, and point rockchip,pmu at the PMU syscon that controls the NPU NoC bus-idle. Besides the SCMI compute clock, assign the CRU CLK_NPU so the NPU AXI bus clock comes up at 200 MHz rather than the 12 MHz boot default. The power-domain deliberately carries no pm_qos: qos_npu sits behind the NPU NoC, which is gated until the NPU is brought up, so a genpd power-off QoS save would fault reading it. Signed-off-by: Midgy BALON --- arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 38 +++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi index 64bdd8b7754b5..313db59c1aed8 100644 --- a/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk356x-base.dtsi @@ -512,6 +512,13 @@ power-domain@RK3568_PD_GPU { #power-domain-cells = <0>; }; + pd_npu: power-domain@RK3568_PD_NPU { + reg = ; + clocks = <&cru ACLK_NPU_PRE>, + <&cru HCLK_NPU_PRE>; + #power-domain-cells = <0>; + }; + /* These power domains are grouped by VD_LOGIC */ power-domain@RK3568_PD_VI { reg = ; @@ -572,6 +579,37 @@ power-domain@RK3568_PD_RKVENC { }; }; + rknn_core_0: npu@fde40000 { + compatible = "rockchip,rk3568-rknn-core"; + reg = <0x0 0xfde40000 0x0 0x1000>, + <0x0 0xfde41000 0x0 0x1000>, + <0x0 0xfde43000 0x0 0x1000>; + reg-names = "pc", "cna", "core"; + interrupts = ; + clocks = <&cru ACLK_NPU>, <&cru HCLK_NPU>, + <&scmi_clk SCMI_CLK_NPU>, <&cru PCLK_NPU_PRE>; + clock-names = "aclk", "hclk", "npu", "pclk"; + assigned-clocks = <&scmi_clk SCMI_CLK_NPU>, <&cru CLK_NPU>; + assigned-clock-rates = <200000000>, <600000000>; + resets = <&cru SRST_A_NPU>, <&cru SRST_H_NPU>; + reset-names = "srst_a", "srst_h"; + power-domains = <&power RK3568_PD_NPU>; + rockchip,pmu = <&pmu>; + iommus = <&rknn_mmu_0>; + status = "disabled"; + }; + + rknn_mmu_0: iommu@fde4b000 { + compatible = "rockchip,iommu"; + reg = <0x0 0xfde4b000 0x0 0x40>; + interrupts = ; + clock-names = "aclk", "iface"; + clocks = <&cru ACLK_NPU>, <&cru HCLK_NPU>; + power-domains = <&power RK3568_PD_NPU>; + #iommu-cells = <0>; + status = "disabled"; + }; + gpu: gpu@fde60000 { compatible = "rockchip,rk3568-mali", "arm,mali-bifrost"; reg = <0x0 0xfde60000 0x0 0x4000>; -- 2.39.5 _______________________________________________ Linux-rockchip mailing list Linux-rockchip@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-rockchip