From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id DF1F719C558; Mon, 23 Jun 2025 14:25:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750688749; cv=none; b=r1UonfpExo/x55iUduSQ6LX+dq9/mPf1HLtOoyu9YZPcEx9C28VjnaeZOPbfoO8dI5dOAX25SkpH4eC6aG15mg6TbsGWbCCzHBhOjvlvy6v+Somim0K79pm10fwWXMdNQ7fQ7hazjkITrf2vM7rxfOzurrIvaWxyBLL4npyOz48= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750688749; c=relaxed/simple; bh=vLTJsVnsjd1Kq0HlDd3OnBNu/fl3lI58vQB9WkPBxOk=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=Wd+I24Ccg/ftcZeHBvr3i5Q3p/9I0Aq4WbbnHyfx+k6ruGA7pqyW5UHsDZ9JRVGvhYU69BUWjbA6ajqyNzCa8mEnm1GRYwamYWQPfWbBhMk3u3q4zAarYtQbKXmKm/pT7cZZbAZ2S/jCtGFIoyuPg863wLpwmDfS01+k3KoyRQs= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=I0Lmb/Nr; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="I0Lmb/Nr" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 9CBE2C4CEF1; Mon, 23 Jun 2025 14:25:44 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1750688748; bh=vLTJsVnsjd1Kq0HlDd3OnBNu/fl3lI58vQB9WkPBxOk=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=I0Lmb/NryLlqBmsBu/bR5huiwkRZlWWOpB6VK6xHbV9aCR3W1L6vyb0T1vdUuwb4g sh6+KNtks+gpmCaHkbNwOZai4YwOc4nR+M0PLt6s1uupPi7MKnDgq6rwWjo4AHFvKa 1ki/xBqnhM6SNAI3Nfd93wd2rF4XiqrrSlQgEH/WgxYPhZ/5plXNP2TdILml+il49r YHWPV+GaeG49imSkQWnk8qkxrafYqWHytRMSsAs6vFX+TeCVy2peiqHiejZdxtqzBO t75BqM0uOAPGzpXhdxofq6IhgHC1r3Fo3976+KSBywxP8LJG4JAgcjlRiCusSx0cQb 8kjw5K3S09yNw== Message-ID: <2e26a403-fac2-4217-8525-24e39d4c92c5@kernel.org> Date: Mon, 23 Jun 2025 16:25:42 +0200 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCHv4 2/6] dt-bindings: arm: ti: Add bindings for AM62D2 SoC To: Paresh Bhagat , nm@ti.com, vigneshr@ti.com, praneeth@ti.com Cc: kristo@kernel.org, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, khasim@ti.com, v-singh1@ti.com, afd@ti.com, bb@ti.com, devarsht@ti.com References: <20250623141253.3519546-1-p-bhagat@ti.com> <20250623141253.3519546-3-p-bhagat@ti.com> From: Krzysztof Kozlowski Content-Language: en-US Autocrypt: addr=krzk@kernel.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit On 23/06/2025 16:12, Paresh Bhagat wrote: > The AM62D2 SoC belongs to the K3 Multicore SoC architecture with DSP core > targeted for applications needing high-performance Digital Signal > Processing. It is used in applications like automotive audio systems, > professional sound equipment, radar and radio for aerospace, sonar in > marine devices, and ultrasound in medical imaging. It also supports > precise signal analysis in test and measurement tools. Drop all marketing stuff. > > Some highlights of AM62D2 SoC are: This is not a product brochure. A nit, subject: drop second/last, redundant "bindings". The "dt-bindings" prefix is already stating that these are bindings. See also: https://elixir.bootlin.com/linux/v6.7-rc8/source/Documentation/devicetree/bindings/submitting-patches.rst#L18 > > * Quad-Cortex-A53s (running up to 1.4GHz) in a single cluster. Dual/Single > core variants are provided in the same package to allow HW compatible > designs. > * One Device manager Cortex-R5F for system power and resource management, > and one Cortex-R5F for Functional Safety or general-purpose usage. > * DSP with Matrix Multiplication Accelerator(MMA) (up to 2 TOPS) based on > single core C7x. > * 3x Multichannel Audio Serial Ports (McASP) Up to 4/6/16 Serial Data Pins > which can Transmit and Receive Clocks up to 50MHz, with multi-channel I2S > and TDM Audio inputs and outputs. > * Integrated Giga-bit Ethernet switch supporting up to a total of two > external ports with TSN capable to enable audio networking features such > as, Ethernet Audio Video Bridging (eAVB) and Dante. > * 9xUARTs, 5xSPI, 6xI2C, 2xUSB2, 3xCAN-FD, 3x eMMC and SD, OSPI memory > controller, 1x CSI-RX-4L for Camera, eCAP/eQEP, ePWM, among other > peripherals. > * Dedicated Centralized Hardware Security Module with support for secure > boot, debug security and crypto acceleration and trusted execution > environment. > * One 32 bit DDR Subsystem that supports LPDDR4, DDR4 memory types. > * Low power mode support: Partial IO support for CAN/GPIO/UART wakeup. > > This SoC is of part K3 AM62x family, which includes the AM62A and AM62P > variants. While the AM62A and AM62D are largely similar, the AM62D is > specifically targeted for general-purpose DSP applications, whereas the > AM62A focuses on edge AI workloads. A key distinction is that the AM62D > does not include multimedia components such as the video encoder/decoder, > MJPEG encoder, Vision Processing Accelerator (VPAC) for image signal > processing, or the display subsystem. Additionally, the AM62D has a > different pin configuration compared to the AM62A, which impacts > embedded software development. > > This adds dt bindings for TI's AM62D2 family of devices. > > More details about the SoCs can be found in the Technical Reference Manual: > https://www.ti.com/lit/pdf/sprujd4 > > Signed-off-by: Paresh Bhagat And what happened with the previous comments? Reach internally TI so they will coach you how to send patches upstream. Best regards, Krzysztof