From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-pp-f112.zoho.com (sender4-pp-f112.zoho.com [136.143.188.112]) (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 300D513C9C4; Mon, 20 Apr 2026 13:44:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.112 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776692685; cv=pass; b=DRrwrZas53dwhailMYd/MZMk4gIXoEBT2lHyvz/t11LbN3yxR9cpmYt9vzZCcoWNLnL2qmyZsCDsVVuSsFulrvrC1bRjvXOjhwZeJoy9KRUodZCiZK0/S8gqXdDA7PYus5AiQwSXsedB7SopRvzeorrFE7tqoJfSkFrqtbq7m1Q= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1776692685; c=relaxed/simple; bh=sNIWRbAV3+NPzvh4QoLTVBs2+aGwD7SqO1y5ZMLcUjg=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Uxr6KZwFHa0kpYsKF7XJbda0Wf6HwKAbc47jUDe1hrosAcscua2yC+pNbWn+o1v0GIq2vQ3TuZhq1UluG9jMxWJJ51UdoJwnaxDSHJGylMR/wszbAYEPs42P72c4NvTC7bibEAoyYBmLivoyY2xhFqAfNYjrqGYc0N8GJlLbee0= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b=e0yYgZgA; arc=pass smtp.client-ip=136.143.188.112 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com header.b="e0yYgZgA" ARC-Seal: i=1; a=rsa-sha256; t=1776692659; cv=none; d=zohomail.com; s=zohoarc; b=mkcwrM2zd34qpqDcVR6YMrm683IYTNFwsnrcnqxXc6QfyMACLBM9776F9ysKorGVEK2v5XKxTUkCdbYJ6JhqCK5ofdRtXhBB7y3/inV66/60tpz48tRUzv0+CT35vpax+hIbjgCWck7D/Ykfy+RzBKYTUeW6pruZk5FLjaYBmSI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1776692659; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:References:Subject:Subject:To:To:Message-Id:Reply-To; bh=1V3GuJpNnFWJCfMVIGdTdAgiX6h8PD58kcy6YMlRmyg=; b=WB27jklrsxoT2MtVUad/IT9wsRm0zzUx4og1biUR0t3/KOxIYvo9noN98ctcKY1s/WbEIkh5GzANyH9DmMvMmL43k2mAQje762NCtJfK8E2wdIG9MmEksSVV2jK7CSFLtuIiNJXFY/6rEuXZ/vS45r9nL8lo/hadSfpD5z485j4= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=collabora.com; spf=pass smtp.mailfrom=nicolas.frattaroli@collabora.com; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1776692658; s=zohomail; d=collabora.com; i=nicolas.frattaroli@collabora.com; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:In-Reply-To:References:MIME-Version:Content-Transfer-Encoding:Content-Type:Message-Id:Reply-To; bh=1V3GuJpNnFWJCfMVIGdTdAgiX6h8PD58kcy6YMlRmyg=; b=e0yYgZgAY6nsZsSsAPvVGSdH5P1MJJs7vvPiCsZXWVYhL0E7HOLvx/sKsb+q3sVl WgOsEKk9ClrKgrH30latvBAEHpcZ1enwaenfSQnr8RKUtPozJWIb+FrdjyLKRzNrXb/ AzxJGRCZ3swvSlmNxhyq9Wtin00TR6wgOyfwZUMI= Received: by mx.zohomail.com with SMTPS id 1776692658154201.29359424090717; Mon, 20 Apr 2026 06:44:18 -0700 (PDT) From: Nicolas Frattaroli To: Uwe =?UTF-8?B?S2xlaW5lLUvDtm5pZw==?= , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Lee Jones , William Breathitt Gray , Damon Ding Cc: kernel@collabora.com, Jonas Karlman , Alexey Charkov , linux-rockchip@lists.infradead.org, linux-pwm@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org Subject: Re: [PATCH v4 3/5] pwm: Add rockchip PWMv4 driver Date: Mon, 20 Apr 2026 15:44:13 +0200 Message-ID: In-Reply-To: <20260420-rk3576-pwm-v4-3-421738c7bf28@collabora.com> References: <20260420-rk3576-pwm-v4-0-421738c7bf28@collabora.com> <20260420-rk3576-pwm-v4-3-421738c7bf28@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="utf-8" On Monday, 20 April 2026 15:35:21 Central European Summer Time Nicolas Frattaroli wrote: > The Rockchip RK3576 brings with it a new PWM IP, in downstream code > referred to as "v4". This new IP is different enough from the previous > Rockchip IP that I felt it necessary to add a new driver for it, instead > of shoehorning it in the old one. > > Add this new driver, based on the PWM core's waveform APIs. Its platform > device is registered by the parent mfpwm driver, from which it also > receives a little platform data struct, so that mfpwm can guarantee that > all the platform device drivers spread across different subsystems for > this specific hardware IP do not interfere with each other. > > Signed-off-by: Nicolas Frattaroli > --- > MAINTAINERS | 2 + > drivers/counter/Kconfig | 11 + > drivers/counter/Makefile | 1 + > drivers/counter/rockchip-pwm-capture.c | 307 ++++++++++++++++++++++++++ > drivers/pwm/Kconfig | 11 + > drivers/pwm/Makefile | 1 + > drivers/pwm/pwm-rockchip-v4.c | 383 +++++++++++++++++++++++++++++++++ > 7 files changed, 716 insertions(+) > Ah jeez, I accidentally squashed the counter driver into this commit. time to send out a v5, please ignore this.