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 8773EC021B1 for ; Thu, 20 Feb 2025 08:34:46 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:In-Reply-To:From:References:Cc:To:Subject:MIME-Version:Date: Message-ID:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Ro845Yvlc6JBSxE8ci6LVxQGdQ0DU/iABMHVIAAjqEA=; b=lr7BQbi2bIgVi1kLVhx0bvjmOz RtIl3RmCS6rOOhSFVlbq2ESnCqsBgWiT0EW/LzyLnLSD1iysfOY3sAKbrV0q2wW+HcVJrrUbrLEQp LOm7irDqXx+gWEBo30TTBew1/ads4iL5XNA6jUbBkTylbcrl7+IvGgpA1YMUNx0pExnz6ew3YhCHB 5H/9Yb8G2sMYP8qUMzS4saHYSLHYNUaXIdVkk0kOAYgRhm/i3Vo2UYI6C3lQ+ZJq/n17Byo8YLQdO LSnTmQVHjGuKgHwMeeQBk76YHu0ABuCDBbdj2DDkIKIfj2oSuIP/CvljJCPEJr5YPPeOv5ekefmyV cTd3VOJw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98 #2 (Red Hat Linux)) id 1tl20w-0000000HO2d-2oAO; Thu, 20 Feb 2025 08:34:34 +0000 Received: from dfw.source.kernel.org ([2604:1380:4641:c500::1]) by bombadil.infradead.org with esmtps (Exim 4.98 #2 (Red Hat Linux)) id 1tl1ye-0000000HNZE-0E85 for linux-arm-kernel@lists.infradead.org; Thu, 20 Feb 2025 08:32:13 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by dfw.source.kernel.org (Postfix) with ESMTP id 2E2965C5DA2; Thu, 20 Feb 2025 08:31:32 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 26E27C4CED1; Thu, 20 Feb 2025 08:32:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1740040331; bh=L/LHvO/D+1uYypCe6Rsib5c/g0Q47UeKeXAtGNnGShI=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=ruTunRdqISFlJSKFdw9+vOac+S+5tS5GWrwnWl7LsjQYMcubKQIa7vD3T0o9o9kcU oB8wCEGjke+49Cp9avK9UDFUfr/WNeYTI/CIKxNf3KTDVUX0wU5mt/yGusHDJ3snlV QWoUK/G9QFAx6GEJrJFTmH/TX67kkY6wsjLfjMjzueS6njyfB1EhPnVOK9sktTloDp dkVf+L5UCKUTovw05NVgogA8bRpkOrn4wQ5HhwqBhPaV3LQvCAftv8RVGExVmVBttu X2jpLlkMcnwy83hTRXa0vQ236vyrCegUnGYXCkoE7XgwMx3/2Y0KJiX4Xon9xEB7cC NNkRDC8rqNkHA== Message-ID: Date: Thu, 20 Feb 2025 09:32:05 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 3/8] dt-bindings: media: nxp: Add Wave6 video codec device To: Nas Chung Cc: "mchehab@kernel.org" , "hverkuil@xs4all.nl" , "sebastian.fricke@collabora.com" , "robh@kernel.org" , "krzk+dt@kernel.org" , "conor+dt@kernel.org" , "linux-media@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "linux-imx@nxp.com" , "linux-arm-kernel@lists.infradead.org" , "jackson.lee" , "lafley.kim" References: <20250210090725.4580-1-nas.chung@chipsnmedia.com> <20250210090725.4580-4-nas.chung@chipsnmedia.com> <20250213-imaginary-shrimp-of-merriment-6ccb6f@krzk-bin> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; keydata= xsFNBFVDQq4BEAC6KeLOfFsAvFMBsrCrJ2bCalhPv5+KQF2PS2+iwZI8BpRZoV+Bd5kWvN79 cFgcqTTuNHjAvxtUG8pQgGTHAObYs6xeYJtjUH0ZX6ndJ33FJYf5V3yXqqjcZ30FgHzJCFUu JMp7PSyMPzpUXfU12yfcRYVEMQrmplNZssmYhiTeVicuOOypWugZKVLGNm0IweVCaZ/DJDIH gNbpvVwjcKYrx85m9cBVEBUGaQP6AT7qlVCkrf50v8bofSIyVa2xmubbAwwFA1oxoOusjPIE J3iadrwpFvsZjF5uHAKS+7wHLoW9hVzOnLbX6ajk5Hf8Pb1m+VH/E8bPBNNYKkfTtypTDUCj NYcd27tjnXfG+SDs/EXNUAIRefCyvaRG7oRYF3Ec+2RgQDRnmmjCjoQNbFrJvJkFHlPeHaeS BosGY+XWKydnmsfY7SSnjAzLUGAFhLd/XDVpb1Een2XucPpKvt9ORF+48gy12FA5GduRLhQU vK4tU7ojoem/G23PcowM1CwPurC8sAVsQb9KmwTGh7rVz3ks3w/zfGBy3+WmLg++C2Wct6nM Pd8/6CBVjEWqD06/RjI2AnjIq5fSEH/BIfXXfC68nMp9BZoy3So4ZsbOlBmtAPvMYX6U8VwD TNeBxJu5Ex0Izf1NV9CzC3nNaFUYOY8KfN01X5SExAoVTr09ewARAQABzSVLcnp5c3p0b2Yg S296bG93c2tpIDxrcnprQGtlcm5lbC5vcmc+wsGVBBMBCgA/AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJgPO8PBQkUX63hAAoJEBuTQ307 QWKbBn8P+QFxwl7pDsAKR1InemMAmuykCHl+XgC0LDqrsWhAH5TYeTVXGSyDsuZjHvj+FRP+ gZaEIYSw2Yf0e91U9HXo3RYhEwSmxUQ4Fjhc9qAwGKVPQf6YuQ5yy6pzI8brcKmHHOGrB3tP /MODPt81M1zpograAC2WTDzkICfHKj8LpXp45PylD99J9q0Y+gb04CG5/wXs+1hJy/dz0tYy iua4nCuSRbxnSHKBS5vvjosWWjWQXsRKd+zzXp6kfRHHpzJkhRwF6ArXi4XnQ+REnoTfM5Fk VmVmSQ3yFKKePEzoIriT1b2sXO0g5QXOAvFqB65LZjXG9jGJoVG6ZJrUV1MVK8vamKoVbUEe 0NlLl/tX96HLowHHoKhxEsbFzGzKiFLh7hyboTpy2whdonkDxpnv/H8wE9M3VW/fPgnL2nPe xaBLqyHxy9hA9JrZvxg3IQ61x7rtBWBUQPmEaK0azW+l3ysiNpBhISkZrsW3ZUdknWu87nh6 eTB7mR7xBcVxnomxWwJI4B0wuMwCPdgbV6YDUKCuSgRMUEiVry10xd9KLypR9Vfyn1AhROrq AubRPVeJBf9zR5UW1trJNfwVt3XmbHX50HCcHdEdCKiT9O+FiEcahIaWh9lihvO0ci0TtVGZ MCEtaCE80Q3Ma9RdHYB3uVF930jwquplFLNF+IBCn5JRzsFNBFVDXDQBEADNkrQYSREUL4D3 Gws46JEoZ9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLue MNsWLJBvBaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6ei OMheesVS5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wA GldWsRxbf3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA 6z6lBZn0WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9 YegxWKvXXHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt 91pFzBSOIpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gU BLHFTg2hYnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/ JoFzZ4B0p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu 4vXVFBYIGmpyNPYzRm0QPwARAQABwsF8BBgBCgAmAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtB YpsFAmA872oFCRRflLYACgkQG5NDfTtBYpvScw/9GrqBrVLuJoJ52qBBKUBDo4E+5fU1bjt0 Gv0nh/hNJuecuRY6aemU6HOPNc2t8QHMSvwbSF+Vp9ZkOvrM36yUOufctoqON+wXrliEY0J4 ksR89ZILRRAold9Mh0YDqEJc1HmuxYLJ7lnbLYH1oui8bLbMBM8S2Uo9RKqV2GROLi44enVt vdrDvo+CxKj2K+d4cleCNiz5qbTxPUW/cgkwG0lJc4I4sso7l4XMDKn95c7JtNsuzqKvhEVS oic5by3fbUnuI0cemeizF4QdtX2uQxrP7RwHFBd+YUia7zCcz0//rv6FZmAxWZGy5arNl6Vm lQqNo7/Poh8WWfRS+xegBxc6hBXahpyUKphAKYkah+m+I0QToCfnGKnPqyYIMDEHCS/RfqA5 t8F+O56+oyLBAeWX7XcmyM6TGeVfb+OZVMJnZzK0s2VYAuI0Rl87FBFYgULdgqKV7R7WHzwD uZwJCLykjad45hsWcOGk3OcaAGQS6NDlfhM6O9aYNwGL6tGt/6BkRikNOs7VDEa4/HlbaSJo 7FgndGw1kWmkeL6oQh7wBvYll2buKod4qYntmNKEicoHGU+x91Gcan8mCoqhJkbqrL7+nXG2 5Q/GS5M9RFWS+nYyJh+c3OcfKqVcZQNANItt7+ULzdNJuhvTRRdC3g9hmCEuNSr+CLMdnRBY fv0= In-Reply-To: Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250220_003212_226302_5EDEC02A X-CRM114-Status: GOOD ( 13.57 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 20/02/2025 08:35, Nas Chung wrote: > Hi, Krzysztof. > >> -----Original Message----- >> From: Krzysztof Kozlowski >> Sent: Wednesday, February 19, 2025 9:32 PM >> To: Nas Chung >> Cc: mchehab@kernel.org; hverkuil@xs4all.nl; sebastian.fricke@collabora.com; >> robh@kernel.org; krzk+dt@kernel.org; conor+dt@kernel.org; linux- >> media@vger.kernel.org; devicetree@vger.kernel.org; linux- >> kernel@vger.kernel.org; linux-imx@nxp.com; linux-arm- >> kernel@lists.infradead.org; jackson.lee ; >> lafley.kim >> Subject: Re: [PATCH 3/8] dt-bindings: media: nxp: Add Wave6 video codec >> device >> >> On 18/02/2025 10:21, Nas Chung wrote: >>> For example: >>> vpu: video-codec@4c480000 { >>> compatible = "nxp,imx95-vpu"; >>> reg = <0x0 0x4c480000 0x0 0x50000>; >>> ranges = <0x0 0x0 0x4c480000 0x50000>; >>> >>> vpuctrl: vpu-ctrl@40000 { >>> compatible = "nxp,imx95-vpu-ctrl"; >>> reg = <0x40000 0x10000>; >>> }; >>> >>> vpucore0: vpu-core@00000 { >>> compatible = "nxp,imx95-vpu-core"; >>> reg = <0x00000 0x10000>; >>> }; >>> >>> vpucore1: vpu-core@10000 { >>> compatible = "nxp,imx95-vpu-core"; >>> reg = <0x10000 0x10000>; >>> }; >>> >>> vpucore2: vpu-core@20000 { >>> compatible = "nxp,imx95-vpu-core"; >>> reg = <0x20000 0x10000>; >>> }; >>> >>> vpucore3: vpu-core@30000 { >>> compatible = "nxp,imx95-vpu-core"; >> >> Why do you need compatible here? Could it be anything else? > > I will update the driver based on the final DT. > >> >>> reg = <0x30000 0x10000>; >> >> Where is the rest of resources? You created children only for one >> resource - address space? > > Sorry for the confusion. > I believe the final example looks like the one below. > > vpu: video-codec@4c480000 { > compatible = "nxp,imx95-vpu"; > reg = <0x0 0x4c480000 0x0 0x50000>; > ranges = <0x0 0x0 0x4c480000 0x50000>; > > vpuctrl: vpu-ctrl@40000 { > compatible = "nxp,imx95-vpu-ctrl"; > reg = <0x40000 0x10000>; > clocks = <&scmi_clk 115>, > <&vpu_blk_ctrl IMX95_CLK_VPUBLK_WAVE>; > clock-names = "vpu", "vpublk_wave"; > power-domains = <&scmi_devpd 21>, <&scmi_perf 10>; > power-domain-names = "vpumix", "vpuperf"; > memory-region = <&vpu_boot>; > #cooling-cells = <2>; > sram = <&sram1>; > }; > > vpucore0: vpu-core@00000 { > compatible = "nxp,imx95-vpu-core"; > reg = <0x00000 0x10000>; > interrupts = ; > clocks = <&scmi_clk 115>, > <&vpu_blk_ctrl IMX95_CLK_VPUBLK_WAVE>; These are the same resources for every block so for entire device. Why they are no in top level node? > clock-names = "vpu", "vpublk_wave"; > power-domains = <&scmi_devpd 21>; Same here Everything else also looks duplicated... All my previous comments - from first email - stand. Don't design DT to match your Linu driver structure. Best regards, Krzysztof