[{"id":3679463,"web_url":"http://patchwork.ozlabs.org/comment/3679463/","msgid":"","list_archive_url":null,"date":"2026-04-20T13:44:13","subject":"Re: [PATCH v4 3/5] pwm: Add rockchip PWMv4 driver","submitter":{"id":90188,"url":"http://patchwork.ozlabs.org/api/people/90188/","name":"Nicolas Frattaroli","email":"nicolas.frattaroli@collabora.com"},"content":"On Monday, 20 April 2026 15:35:21 Central European Summer Time Nicolas Frattaroli wrote:\n> The Rockchip RK3576 brings with it a new PWM IP, in downstream code\n> referred to as \"v4\". This new IP is different enough from the previous\n> Rockchip IP that I felt it necessary to add a new driver for it, instead\n> of shoehorning it in the old one.\n> \n> Add this new driver, based on the PWM core's waveform APIs. Its platform\n> device is registered by the parent mfpwm driver, from which it also\n> receives a little platform data struct, so that mfpwm can guarantee that\n> all the platform device drivers spread across different subsystems for\n> this specific hardware IP do not interfere with each other.\n> \n> Signed-off-by: Nicolas Frattaroli \n> ---\n> MAINTAINERS | 2 +\n> drivers/counter/Kconfig | 11 +\n> drivers/counter/Makefile | 1 +\n> drivers/counter/rockchip-pwm-capture.c | 307 ++++++++++++++++++++++++++\n> drivers/pwm/Kconfig | 11 +\n> drivers/pwm/Makefile | 1 +\n> drivers/pwm/pwm-rockchip-v4.c | 383 +++++++++++++++++++++++++++++++++\n> 7 files changed, 716 insertions(+)\n> \n\nAh jeez, I accidentally squashed the counter driver into this commit.\ntime to send out a v5, please ignore this.","headers":{"Return-Path":"\n ","X-Original-To":["incoming@patchwork.ozlabs.org","linux-pwm@vger.kernel.org"],"Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (1024-bit key;\n unprotected) header.d=collabora.com header.i=nicolas.frattaroli@collabora.com\n header.a=rsa-sha256 header.s=zohomail header.b=e0yYgZgA;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org\n (client-ip=2600:3c0a:e001:db::12fc:5321; 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