From patchwork Wed Dec 21 21:09:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Fabrizio Castro X-Patchwork-Id: 635762 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7979CC4167B for ; Wed, 21 Dec 2022 21:09:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230395AbiLUVJh (ORCPT ); Wed, 21 Dec 2022 16:09:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46482 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229491AbiLUVJf (ORCPT ); Wed, 21 Dec 2022 16:09:35 -0500 Received: from relmlie5.idc.renesas.com (relmlor1.renesas.com [210.160.252.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 2567E20BEC; Wed, 21 Dec 2022 13:09:34 -0800 (PST) X-IronPort-AV: E=Sophos;i="5.96,263,1665414000"; d="scan'208";a="144108253" Received: from unknown (HELO relmlir6.idc.renesas.com) ([10.200.68.152]) by relmlie5.idc.renesas.com with ESMTP; 22 Dec 2022 06:09:33 +0900 Received: from mulinux.example.org (unknown [10.226.92.211]) by relmlir6.idc.renesas.com (Postfix) with ESMTP id 7051440DC566; Thu, 22 Dec 2022 06:09:28 +0900 (JST) From: Fabrizio Castro To: Linus Walleij , Bartosz Golaszewski , Rob Herring , Krzysztof Kozlowski , Sebastian Reichel , Geert Uytterhoeven Cc: Fabrizio Castro , Lee Jones , linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org, Chris Paterson , Biju Das , linux-renesas-soc@vger.kernel.org, Laurent Pinchart , Jacopo Mondi Subject: [PATCH v2 0/4] Driver support for RZ/V2M PWC Date: Wed, 21 Dec 2022 21:09:13 +0000 Message-Id: <20221221210917.458537-1-fabrizio.castro.jz@renesas.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org The PWC IP found in the RZ/V2M family of chips fits the Multi-Function Device (MFD) model quite well, and comes with the below capabilities: * external power supply on/off sequence generation * on/off signal generation for the LPDDR4 core power supply (LPVDD) * key input signals processing * general-purpose output pins With this new version I have changed model for the DT/dt-bindings. I have dropped syscon, simple-mfd, regmap, offset, and the child nodes. Thanks, Fab Fabrizio Castro (4): dt-bindings: mfd: Add RZ/V2M PWC mfd: Add RZ/V2M PWC core driver gpio: Add support for the Renesas RZ/V2M PWC GPIOs power: reset: Add new driver for RZ/V2M PWC poweroff .../bindings/mfd/renesas,rzv2m-pwc.yaml | 56 ++++++++++ drivers/gpio/Kconfig | 10 ++ drivers/gpio/Makefile | 1 + drivers/gpio/gpio-rzv2m-pwc.c | 105 ++++++++++++++++++ drivers/mfd/Kconfig | 14 +++ drivers/mfd/Makefile | 1 + drivers/mfd/rzv2m-pwc.c | 70 ++++++++++++ drivers/mfd/rzv2m-pwc.h | 18 +++ drivers/power/reset/Kconfig | 9 ++ drivers/power/reset/Makefile | 1 + drivers/power/reset/rzv2m-pwc-poweroff.c | 67 +++++++++++ 11 files changed, 352 insertions(+) create mode 100644 Documentation/devicetree/bindings/mfd/renesas,rzv2m-pwc.yaml create mode 100644 drivers/gpio/gpio-rzv2m-pwc.c create mode 100644 drivers/mfd/rzv2m-pwc.c create mode 100644 drivers/mfd/rzv2m-pwc.h create mode 100644 drivers/power/reset/rzv2m-pwc-poweroff.c Reviewed-by: Rob Herring