From patchwork Thu Apr 1 21:21:40 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jim Quinlan X-Patchwork-Id: 1461478 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=devicetree-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20161025 header.b=Sjy1iuHn; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4FBLh870SKz9sX3 for ; Fri, 2 Apr 2021 11:36:08 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234695AbhDAVVy (ORCPT ); Thu, 1 Apr 2021 17:21:54 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49942 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234514AbhDAVVx (ORCPT ); Thu, 1 Apr 2021 17:21:53 -0400 Received: from mail-pf1-x434.google.com (mail-pf1-x434.google.com [IPv6:2607:f8b0:4864:20::434]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id E1F02C0613E6; Thu, 1 Apr 2021 14:21:53 -0700 (PDT) Received: by mail-pf1-x434.google.com with SMTP id g15so2353866pfq.3; Thu, 01 Apr 2021 14:21:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=OHE1y+eUnZAiDLwSXNcb4ovsHCQvOvUGaM/Io3DNmX0=; b=Sjy1iuHn9ODDZaLLgb2NNlK7G2oAtZJn/2neR52Op5u5nRlJZYNLZCWWYw/d58ckk5 hFXfhFhu2m7CKBch0OQkKn3Oo/uxZb9UYEAuvwb/10jevc1R/rUqrmA0ak4TattNmekX 0O62oa9g81S6JdYAwOedisooJjPJwuGEo0HT8eD7Flq27F4AQ33Iiuve8JzHXIvzrJB3 O1s4IgS4jgcC4L0xUwffKb64cxo3w6OMG2ymhtwOYRc+fszH5Rvf2ZiSH63uB0VCkprr 0u8HyxHZy2bRO2xfPWbeaij+rNO9B14TfjGT4MaAc4fNG/dy54gYQb57+oIe7kmRAGW7 NbrQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=OHE1y+eUnZAiDLwSXNcb4ovsHCQvOvUGaM/Io3DNmX0=; b=UhT7kmIJNQn9uK76Ei53M4AZ80tRz21OXdy6dVceZE1+QM6WphuHnLn5ei/CxMml2t sC20fvqtHhu26mW37toP8XYW0Hhw1QXdsjO3Yuht+beVYS5xUKtvvR+0Khs6vKsCalR8 N4bJRrmMx56yyQWOcpZA3rDugSA4+XwdlF/toslvIp5s9UdqyNLtGZa/FY9Q1rIQFnRr YDMaj/k/RhRUXl7Z3BfIbQQJQ8C5vf0qasw5k2hnHx4oEPLj5IITHCuOF1wt2YCzFYME q2fpNuMWwjVHp6LYeuzl6Aj9Qol8mwPJAiTOgir681ReYA4sUNEjMudiTMn85r4Le+kc cQDw== X-Gm-Message-State: AOAM533omhSocYNq8dO3PJS1eLrEnjbj1CMSUiJ83ycSsIq5Ucizb9GS PDFZNvcv5A6oZYTXQ3lF9u6MCtr9l6I= X-Google-Smtp-Source: ABdhPJxszLrpfuP3/ZKD67bhlY85aoIE1kPVDcjSqf86JpqVUuE6MVzUfC6KWWF63z20Qun0aYENmw== X-Received: by 2002:a63:4522:: with SMTP id s34mr9102188pga.250.1617312113217; Thu, 01 Apr 2021 14:21:53 -0700 (PDT) Received: from stbsrv-and-01.and.broadcom.net ([192.19.231.250]) by smtp.gmail.com with ESMTPSA id q5sm5926707pfk.219.2021.04.01.14.21.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 01 Apr 2021 14:21:52 -0700 (PDT) From: Jim Quinlan To: linux-pci@vger.kernel.org, Nicolas Saenz Julienne , Rob Herring , Mark Brown , bcm-kernel-feedback-list@broadcom.com, jim2101024@gmail.com, james.quinlan@broadcom.com Cc: devicetree@vger.kernel.org (open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS), Florian Fainelli , Jim Quinlan , linux-arm-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), linux-kernel@vger.kernel.org (open list), linux-rpi-kernel@lists.infradead.org (moderated list:BROADCOM BCM2711/BCM2835 ARM ARCHITECTURE), Lorenzo Pieralisi Subject: [PATCH v4 0/6] PCI: brcmstb: add slot0 device regulators and panic handler Date: Thu, 1 Apr 2021 17:21:40 -0400 Message-Id: <20210401212148.47033-1-jim2101024@gmail.com> X-Mailer: git-send-email 2.17.1 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org v4 [NOTE: I'm not sure this fixes RobH and MarkB constraints but I'd like to use this pullreq as a basis for future discussion.] [Commit: Add bindings for ...] -- Fix syntax error in YAML bindings example (RobH) -- {vpcie12v,vpcie3v3}-supply props are back in root complex DT node (I believe RobH said this was okay) [Commit: Add control of ..] -- Do not do global search for regulator; now we look specifically for the property {vpcie12v,vpcie3v3}-supply in the root complex DT node and then call devm_regulator_bulk_get() (MarkB) -- Use devm_regulator_bulk_get() (Bjorn) -- s/EP/slot0 device/ (Bjorn) -- Spelling, capitalization (Bjorn) -- Have brcm_phy_stop() return a void (Bjorn) [Commit: Do not turn off ...] -- Capitalization (Bjorn) [Commit: Check return value ...] -- Commit message content (Bjorn) -- Move 6/6 hunk to 2/6 where it belongs (Bjorn) -- Move the rest of 6/6 before all other commits (Bjorn) v3 -- Driver now searches for EP DT subnode for any regulators to turn on. If present, these regulators have the property names "vpcie12v-supply" and "vpcie3v3-supply". The existence of these regulators in the EP subnode are currently pending as a pullreq in pci-bus.yaml at https://github.com/devicetree-org/dt-schema/pull/54 (MarkB, RobH). -- Check return of brcm_set_regulators() (Florian) -- Specify one regulator string per line for easier update (Florian) -- Author/Committer/Signoff email changed from that of V2 from 'james.quinlan@broadcom.com' to 'jim2101024@gmail.com'. v2 -- Use regulator bulk API rather than multiple calls (MarkB). v1 -- Bindings are added for fixed regulators that may power the EP device. -- The brcmstb RC driver is modified to control these regulators during probe, suspend, and resume. -- 7216 type SOCs have additional error reporting HW and a panic handler is added to dump its info. -- A missing return value check is added. Jim Quinlan (6): PCI: brcmstb: Check return value of clk_prepare_enable() dt-bindings: PCI: Add bindings for Brcmstb endpoint device voltage regulators PCI: brcmstb: Add control of slot0 device voltage regulators PCI: brcmstb: Do not turn off regulators if EP can wake up PCI: brcmstb: Give 7216 SOCs their own config type PCI: brcmstb: Add panic/die handler to RC driver .../bindings/pci/brcm,stb-pcie.yaml | 4 + drivers/pci/controller/pcie-brcmstb.c | 262 +++++++++++++++++- 2 files changed, 259 insertions(+), 7 deletions(-)