From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 A0D2140097C; Mon, 27 Jul 2026 15:51:31 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785167495; cv=none; b=biyAVJYvp/4wtNQ9sQq3z6ayNv3RwmVhIqrDAPBhXxV9VMscVF7c0EVKOi5dYl6mP9al8/nci9/jkxIPllvoAFqAEZaU75x62h75ayno8GN0f1ciTUtUMXutSdFSeVIVFiizy0gofzbswfgssUBjlVaCQ5I2QVI9i0ho0wWd1NM= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785167495; c=relaxed/simple; bh=DMbk7odlrLbWcT/0B/AuwO8wR/FQjBsTATVbhYryaVs=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=dq34A6wOlGjQ6flJEccqOvoQE6WhMXUb0o0ts/cCNnvnOxaPnnZEsFaJCI8faMGtUOzE7wzVtvuoXnp4cwGBFMw73g075PJB0ugNGHZaXI5Buu7TPDoR5mqKTmnTLoC0wtQStV4WDZeOrEkgFsrAIS4rBbFHmkUkLAv1PIL17Pk= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=a4OYg1hI; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="a4OYg1hI" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 04B141F000E9; Mon, 27 Jul 2026 15:51:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1785167490; bh=bId9mau3ViNmF7rLJyY58n1Xss9ciYxqYMK2+cP9dlA=; h=Date:Subject:To:Cc:References:From:In-Reply-To; b=a4OYg1hIf1OcQiP0ScXw1HAV8yQcwu04sjDwLyHiYLaAW05oqtw9jTleS/RMwxYZc 60gLPkbokgTy/uzvdRtSfNH2IPUWBwkE0Np8Kf5pIgKvGueF6Jlxm19yBBBZz/Pblo hgfWZiLVLtYmjAlc+BRJb5EV1tTM4R8OVVnb0W1R1QrnkcM/6PWTI6LIvNyY++TiNM FR0YgemqPs9WzMKEo1xFmWo/Goy8dnCx9D/XXvL+Pow1UTLUWpJ0EVQrdE3eAADfpt F8OLH5OOcx5GK/exFRP2VU2NOgipgoTNy+dHDC/BVXZwaLtsZom1P+otBvZKcDTiOY lyHyAsKsyP8Pw== Message-ID: <184d7977-891b-4d18-983f-7d23a7d9ff83@kernel.org> Date: Mon, 27 Jul 2026 17:51:20 +0200 Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 2/6] dt-bindings: ptp: Document TSCSS hardware on Qualcomm QDU1000 SoC To: Imran Shaik , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Richard Cochran , Andrew Lunn , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Bjorn Andersson , Konrad Dybcio Cc: Ajit Pandey , Taniya Das , Jagadeesh Kona , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org References: <20260727-tscss-v1-0-beed14e72510@oss.qualcomm.com> <20260727-tscss-v1-2-beed14e72510@oss.qualcomm.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+wsGPBBMBCgA5AhsDBgsJCAcDAgYVCAIJCgsE FgIDAQIeAQIXgBYhBJvQfg4MUfjVlne3VBuTQ307QWKbBQJp2mE8AAoJEBuTQ307QWKbeaIP /ihHTkTW4KsN/DQ945JJbyu5tI0J80Wue7QyyLPglyKfhgb5cLLNPpOC8cCIJsc7+W3i2P38 s2c1cOH6CYGE7E9ur3Vfme8NW2S2I/Z8VC7bZnzyS23wT17LrsdS/qCpx4o8U+pt/xdXDKph EGRYrIEmMpUWvyYzyYKGIe25FtaayIIKpq8eZYyFcp2f/sG5IkOW5uZzHPMPdcm87jU7fyuQ rAU2vx9r+ulUfQ/q9Z2roC/ode3l7t2pN7BCBCsUDp6JCrUyZrtT1e7EbA0ZRP3aOBNk2P2E DQOgJGjGdO5Yx2Y9LFtltu6JbsBJHi1syGRX3AtQYOMc4Y1WGoeZJmMlvKj2ZqqXNkcWi2DS IQEWB0uW6CqFsBBIMGDa+6OzdaVO/uAVXWDWml02Men3CILdI1MbVjoh8ECqYUY7OQ+JJvNN vnliuq5WM3Ghd3jg/LZZrxXjdIginRHFQCjIJYLKpLZWm1/iDFedcfzqRNYmTtqscdCNHW41 oT3Z7BmO9xwdjuwBS6nmS6JJwkbf5Ot2QR4pB/DRU7ZwjT1qHe+9r9gF32wXVQatHNGK/VVu sfwOnkdxCWkp/qb2gdQRmZh+SedStWshigH6sNfuHBloF/q+hjMRc8b2m326OZdrbSHwY1Sz vti8Hn7n8NjdHO9LKB7BIdjkA9DA5WsqOuVCzsFNBFVDXDQBEADNkrQYSREUL4D3Gws46JEo Z9HEQOKtkrwjrzlw/tCmqVzERRPvz2Xg8n7+HRCrgqnodIYoUh5WsU84N03KlLueMNsWLJBv BaubYN4JuJIdRr4dS4oyF1/fQAQPHh8Thpiz0SAZFx6iWKB7Qrz3OrGCjTPcW6eiOMheesVS 5hxietSmlin+SilmIAPZHx7n242u6kdHOh+/SyLImKn/dh9RzatVpUKbv34eP1wAGldWsRxb f3WP9pFNObSzI/Bo3kA89Xx2rO2roC+Gq4LeHvo7ptzcLcrqaHUAcZ3CgFG88CnA6z6lBZn0 WyewEcPOPdcUB2Q7D/NiUY+HDiV99rAYPJztjeTrBSTnHeSBPb+qn5ZZGQwIdUW9YegxWKvX XHTwB5eMzo/RB6vffwqcnHDoe0q7VgzRRZJwpi6aMIXLfeWZ5Wrwaw2zldFuO4Dt91pFzBSO IpeMtfgb/Pfe/a1WJ/GgaIRIBE+NUqckM+3zJHGmVPqJP/h2Iwv6nw8U+7Yyl6gUBLHFTg2h YnLFJI4Xjg+AX1hHFVKmvl3VBHIsBv0oDcsQWXqY+NaFahT0lRPjYtrTa1v3tem/JoFzZ4B0 p27K+qQCF2R96hVvuEyjzBmdq2esyE6zIqftdo4MOJho8uctOiWbwNNq2U9pPWmu4vXVFBYI GmpyNPYzRm0QPwARAQABwsF2BBgBCgAgAhsMFiEEm9B+DgxR+NWWd7dUG5NDfTtBYpsFAmna YUkACgkQG5NDfTtBYptX+BAApg32CkxwNucNEi8WfWA8oKkW0y8YDuY6ORMo9FWNGiT/OTy0 vyJrLocrpn86zwfjVp+eCrssPYh8eqJfnWqmYv6ACQtHPYzPZQ3mSo8H97Z01oUxITzCxpXm ZkLgPIqtDPcC2E3dPM/fVxcyowM8XsaMA9wcsaUYrta8toOq2b9tKcjleKMfMrm0gQ9u7wUc QbLkwj6TCLOwucb07GXzLTNF9PZmaDUpKAZjMjmrW+le+SFvQbhamx0rxLWPR0NWntXpbCn+ +ACch03p/JyTBVktxFsFyCt7pTPE1kEaeuXBTe/a2D9iQvRxRW19LvuO2e59/u1wYUiH/orz wbIC2S4dBsPAPihL3ztOU1yE86GPyQtSE0kU+/7snnLt4QGi6PChf3t5gnNjAzjUUovO8rgI c+5yN5heq5loYHgK6OQ9OlHzsPHO9e9MOQcKlFycs1pyijFGzDwdNUm/SchK8iWT2QApTx4A K9bCVaboTA2T77QYkRcRJYSsO1alGX0ome/hMLD1daXlkrNUp1HWa3K4iytLRXjCSIorWiGs n+q3krnpXu3TFkA8qtOFZMdnIiFuiq1yLT8hptsV5xh1TA2nsVvSYiaCr3q4s4BKjS/KrLDb qoxzw8ISjdUp4pA85vb6YLCmb39NgidD+7PmAr65lBNveIFynTgsja1rRQ4= In-Reply-To: <20260727-tscss-v1-2-beed14e72510@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit On 27/07/2026 16:10, Imran Shaik wrote: > Add Devicetree bindings for the Timestamp Counter Subsystem (TSCSS) found > on Qualcomm QDU1000 SoC. > > TSCSS is a time synchronization subsystem composed of two main blocks: > Timestamp Counter (TSC) and Event Timestamp Unit (ETU). The TSC block > provides a continuously running counter used for timekeeping, while the > ETU captures timestamps for external hardware event triggers. > > Co-developed-by: Taniya Das > Signed-off-by: Taniya Das > Signed-off-by: Imran Shaik > --- > .../bindings/ptp/qcom,qdu1000-tscss.yaml | 187 +++++++++++++++++++++ > 1 file changed, 187 insertions(+) > > diff --git a/Documentation/devicetree/bindings/ptp/qcom,qdu1000-tscss.yaml b/Documentation/devicetree/bindings/ptp/qcom,qdu1000-tscss.yaml > new file mode 100644 > index 0000000000000000000000000000000000000000..39387614ef8939b7840df2f0d5640b9e142fb4e5 > --- /dev/null > +++ b/Documentation/devicetree/bindings/ptp/qcom,qdu1000-tscss.yaml > @@ -0,0 +1,187 @@ > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/ptp/qcom,qdu1000-tscss.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Timestamp Counter Subsystem (TSCSS) on Qualcomm QDU1000 SoC > + > +maintainers: > + - Imran Shaik > + - Taniya Das > + > +description: | > + Qualcomm TSCSS is a time synchronization subsystem composed of two main > + blocks - the Time Stamp Counter (TSC) and the Event Timestamp Unit (ETU). > + > + The TSC block is a timestamp generator that maintains a running counter used > + for system timekeeping, and is functional with just the AHB and counter > + clocks. > + The ETU block is optional and captures TSC timestamps for external > + hardware events, each ETU slice binding a slice identifier to an external > + event selector. Support for the ETU block requires the additional ETU > + clock along with the per slice interrupt and slice subnodes. > + > +properties: > + compatible: > + const: qcom,qdu1000-tscss Why do you create a new file with exactly the same binding? Anyway, all comments apply. Best regards, Krzysztof