From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.7 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 71E13C433E0 for ; Wed, 17 Jun 2020 10:02:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5042F2098B for ; Wed, 17 Jun 2020 10:02:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726331AbgFQKCJ convert rfc822-to-8bit (ORCPT ); Wed, 17 Jun 2020 06:02:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45818 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725554AbgFQKCH (ORCPT ); Wed, 17 Jun 2020 06:02:07 -0400 Received: from metis.ext.pengutronix.de (metis.ext.pengutronix.de [IPv6:2001:67c:670:201:290:27ff:fe1d:cc33]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id AB443C061573 for ; Wed, 17 Jun 2020 03:02:07 -0700 (PDT) Received: from lupine.hi.pengutronix.de ([2001:67c:670:100:3ad5:47ff:feaf:1a17] helo=lupine) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1jlUtO-0004qU-NR; Wed, 17 Jun 2020 12:02:02 +0200 Received: from pza by lupine with local (Exim 4.92) (envelope-from ) id 1jlUtN-0004hz-Dk; Wed, 17 Jun 2020 12:02:01 +0200 Message-ID: Subject: Re: [PATCH v3 2/9] reset: Add Raspberry Pi 4 firmware reset controller From: Philipp Zabel To: Nicolas Saenz Julienne , f.fainelli@gmail.com, gregkh@linuxfoundation.org, wahrenst@gmx.net, linux-kernel@vger.kernel.org Cc: linux-usb@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com, tim.gover@raspberrypi.org, linux-pci@vger.kernel.org, helgaas@kernel.org, andy.shevchenko@gmail.com, mathias.nyman@linux.intel.com, lorenzo.pieralisi@arm.com Date: Wed, 17 Jun 2020 12:02:01 +0200 In-Reply-To: <20200612171334.26385-3-nsaenzjulienne@suse.de> References: <20200612171334.26385-1-nsaenzjulienne@suse.de> <20200612171334.26385-3-nsaenzjulienne@suse.de> Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 8BIT User-Agent: Evolution 3.30.5-1.1 MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:3ad5:47ff:feaf:1a17 X-SA-Exim-Mail-From: p.zabel@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-kernel@vger.kernel.org Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Hi Nicolas, On Fri, 2020-06-12 at 19:13 +0200, Nicolas Saenz Julienne wrote: > Raspberry Pi 4's co-processor controls some of the board's HW > initialization process, but it's up to Linux to trigger it when > relevant. Introduce a reset controller capable of interfacing with > RPi4's co-processor that models these firmware initialization routines as > reset lines. > > Signed-off-by: Nicolas Saenz Julienne > Reviewed-by: Florian Fainelli Reviewed-by: Philipp Zabel If there is a good reason for the single DT specified reset id, I can pick up patches 1 and 2. If you change the dts patch 4 to use a number instead of the reset id define for now, there wouldn't even be a dependency between these reset and dts patches. regards Philipp