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 D209624A08; Wed, 10 Jul 2024 06:52:35 +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=1720594355; cv=none; b=V2N6CMLYMkRYKtuTY0LgZFXd87Kuq2nMWApNi0+J0Ns592bdPW+UimYOg5hOTnWKc8+h9yoxUV/ZgPuDFK+w8qsXzcTA+47CKiFyXWYfAV3aMc2oW4oIeAihCHbg3wiDLQgTU0Wib+qZsLVI+j7K/wnWiaPRp8WTWkFSu4aisdA= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1720594355; c=relaxed/simple; bh=iZxoqZimCKpehyFMmHWFzK08XaEwDFJ155aep/IdTMg=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=K+sbPG2KTksg1AKpIItIM4KjFSG76bb/Wjonv0CYFtt3g3lZBS0tMTgllZtphNoTWGzAUIkE4mYImso2PWUwreR8j2GCOwJsr2tqsBwD3Qhm86iwX4D7A/wZxm83hTKcW6S+yDd+XSEgytp4Hjt3Kh9yaIu7E/AfTPushTYTmgw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=MQg6a3PK; 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="MQg6a3PK" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C1AC7C32781; Wed, 10 Jul 2024 06:52:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1720594355; bh=iZxoqZimCKpehyFMmHWFzK08XaEwDFJ155aep/IdTMg=; h=Date:Subject:To:Cc:References:From:In-Reply-To:From; b=MQg6a3PKdVltcZFlYr/S/1wB9oDTpcn2qA0BfYKmEUgPFV8gnjyWqgbYfTcbn2X6v +Gk5rcqBBdQTJ2vSeBi7dk60uSdUDaTqR4MtrCzwqYr1D2CFD5b7GrNh9a0uSKfTRb cW9GtYuLq7tiOgqcdYrl3DUE3wMhblGPM4tE6gBBF4VGE4ham1z4pIeNAA1leaY88c TbXF1ze12POpRLOCknGq+acUH7bttnjl3ggEeyhrpyMx1eUCaCQX1IbMT0BhCzpo+u bAsPXSw/10HSz6qu68ieI/eQMpr9u4zG3IIP/+LQHscA0pkU+uBCXtnIOPLFq3SCtq 5rn9nvL+Zc5cA== Message-ID: Date: Wed, 10 Jul 2024 08:52:29 +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: [RFC] arm64: dts: ti: introduce a minimal am642 device tree To: Logan Bristol , Bryan Brattlof , Nishanth Menon , Vignesh Raghavendra , Tero Kristo Cc: Rob Herring , Krzysztof Kozlowski , linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20220321155417.13267-1-bb@ti.com> <55e161d1-face-6958-1d86-8a85b82e8485@kernel.org> <766dceb1-222a-401b-95e3-69b7fb331411@ti.com> 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: <766dceb1-222a-401b-95e3-69b7fb331411@ti.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 09/07/2024 18:20, Logan Bristol wrote: > > Hi all, > > On 3/22/22 13:14, Krzysztof Kozlowski wrote: >> On 21/03/2022 16:54, Bryan Brattlof wrote: >>> Texas Instrument's am642 is one of many k3 based, low cost, low power, >>> chips designed to work in a wide range of applications spanning an even >>> wider range of industries that TI is actively developing >>> >>> With its pin-mux and peripheral rich designs, these chips will likely >>> have a multitude of custom device trees that range wildly from one >>> another and (hopefully) guarantee an influx of variants into the kernel >>> in the coming years >>> >>> With overlays no longer a thing, I wanted to ask for opinions on how >>> we can best help integrate these dt files as they begin to be developed >>> >>> I also wanted to introduce a skeletonized (nothing but uart) device tree >>> to give others a good starting point while developing their projects. >> >> Real hardware as DTS please. There is no need to add some skeleton for >> specific SoC. What if every SoC goes that way? >> >> Feel free to create re-usable components in DTSI ways, still reflecting >> some hardware parts. >> > > I am working on a project for the AM62 and came across this email thread. > > Following Krzysztof's direction, I am wanting to submit a DTSI to serve > as a minimal configuration for the existing boards based on the AM62 > SoC, which are currently defined by bloated DTS files. > > This DTSI file can be consumed by other board DTS files to reduce the > configuration. Krzysztof, could this be merged upstream? Aren't you writing something contradictory to what I wrote above? I do not see your description matching my earlier guideline. Best regards, Krzysztof