From patchwork Mon Jun 7 10:51:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 455532 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 9E701C47082 for ; Mon, 7 Jun 2021 10:51:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7907F61107 for ; Mon, 7 Jun 2021 10:51:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230139AbhFGKxZ (ORCPT ); Mon, 7 Jun 2021 06:53:25 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230127AbhFGKxY (ORCPT ); Mon, 7 Jun 2021 06:53:24 -0400 Received: from mail-ed1-x531.google.com (mail-ed1-x531.google.com [IPv6:2a00:1450:4864:20::531]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9BF9FC061766 for ; Mon, 7 Jun 2021 03:51:33 -0700 (PDT) Received: by mail-ed1-x531.google.com with SMTP id g18so17769143edq.8 for ; Mon, 07 Jun 2021 03:51:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sartura-hr.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=s1McyNikPeBkyMCxJJKhjGXbmzHmFRGVfiDXNrONCTw=; b=c74RTuIecNHosG6JNNuMdOCBDwc1mzNp+wEAOwV2/FiUUI1P09Ycaz4Q2bcuntEvoV BWqxP64V69duo8AZwBICV9VGQ4agIq9ThkOpCMyHpwxzZN8gj5fvT8BdYEQcq4s6pxYd Liwr1I/f/yXJkQJH6vBjqJbpm++SRua82Z/pqguxKrf+l6E4eZGqdIB02hDTAeJoZCqX qJPA43J9YXBIZybARyIt7BNcBWqL1BW3AsKwMWZQsmNhMp00boVJD/elGAZYumLK0RKV kM93ccvJsllldtMhY3N1Mm6k1jaa5mh/OdTmxuEpHjpynQKATX1Do8wmFj0hCV+ZSSEL Tj1Q== 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:mime-version :content-transfer-encoding; bh=s1McyNikPeBkyMCxJJKhjGXbmzHmFRGVfiDXNrONCTw=; b=rPB+xG6iX7IncnjMmNi+We5oD3sbAmev/MvKgexBV7VDTchvsdR+jgxLzVvUee3Mg0 H2MgivKTV7wUCH61inud1PcfGhhCYwd65yjSE5eZ4xSZT4YMk1MTQ/TD7cs3fHdMzM1W BCpHoUXJt8UeTBuVhoqd2K8CqgQJjYwlqZZl0sWRE2JAKJ2U3IdL8pflcVd1Nl1C5VaP T7BEHLB3i3gaAiwc7vPTh1DyrgRG0sRX+5lRG3iWwDFvkedVteuGZROtA5Q6TpUcQkV3 hjaIRSwQwCyC/+5oQvfcJ4dJK6SPB87OWNOz18oS6h4Twiyc0sg3a97ftgleNKKWLtdO e77A== X-Gm-Message-State: AOAM533w7/VsATY+heLEr0LR+BqeQpSFxtjwp1PzBqdE3OlSUl6n3KHB M70xjEMbteVfMmfvliPNR5pXVQ== X-Google-Smtp-Source: ABdhPJy1vVluf2bTNfPnDXgLldykOnp1HnSADREAza+H/OWb8uoG5om9DSwts5Bq+gvxdAgyl4NUKA== X-Received: by 2002:a05:6402:685:: with SMTP id f5mr19256801edy.178.1623063092281; Mon, 07 Jun 2021 03:51:32 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f6sm6340003eja.108.2021.06.07.03.51.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 03:51:31 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, robh+dt@kernel.org, lee.jones@linaro.org, p.zabel@pengutronix.de, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bgolaszewski@baylibre.com Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v5 1/6] mfd: simple-mfd-i2c: Add Delta TN48M CPLD support Date: Mon, 7 Jun 2021 12:51:17 +0200 Message-Id: <20210607105122.2047212-1-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Delta TN48M switches have a Lattice CPLD that serves multiple purposes including being a GPIO expander. So, lets use the simple I2C MFD driver to provide the MFD core. Also add a virtual symbol which pulls in the simple-mfd-i2c driver and provide a common symbol on which the subdevice drivers can depend on. Signed-off-by: Robert Marko Acked-for-MFD-by: Lee Jones --- Changes in v2: * Drop the custom MFD driver and header * Use simple I2C MFD driver drivers/mfd/Kconfig | 10 ++++++++++ drivers/mfd/simple-mfd-i2c.c | 1 + 2 files changed, 11 insertions(+) diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index b74efa469e90..733c2f9adb15 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -297,6 +297,16 @@ config MFD_ASIC3 This driver supports the ASIC3 multifunction chip found on many PDAs (mainly iPAQ and HTC based ones) +config MFD_TN48M_CPLD + tristate "Delta Networks TN48M switch CPLD driver" + depends on I2C + select MFD_SIMPLE_MFD_I2C + help + Select this option to enable support for Delta Networks TN48M switch + CPLD. It consists of reset and GPIO drivers. CPLD provides GPIOS-s + for the SFP slots as well as power supply related information. + SFP support depends on the GPIO driver being selected. + config PMIC_DA903X bool "Dialog Semiconductor DA9030/DA9034 PMIC Support" depends on I2C=y diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c index 87f684cff9a1..af8e91781417 100644 --- a/drivers/mfd/simple-mfd-i2c.c +++ b/drivers/mfd/simple-mfd-i2c.c @@ -39,6 +39,7 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c) static const struct of_device_id simple_mfd_i2c_of_match[] = { { .compatible = "kontron,sl28cpld" }, + { .compatible = "delta,tn48m-cpld" }, {} }; MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match); From patchwork Mon Jun 7 10:51:18 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 456141 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=ham 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 AF3BCC47094 for ; Mon, 7 Jun 2021 10:51:51 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 92B4B61107 for ; Mon, 7 Jun 2021 10:51:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230454AbhFGKxl (ORCPT ); Mon, 7 Jun 2021 06:53:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32792 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230450AbhFGKxl (ORCPT ); Mon, 7 Jun 2021 06:53:41 -0400 Received: from mail-ej1-x62f.google.com (mail-ej1-x62f.google.com [IPv6:2a00:1450:4864:20::62f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id ED14EC061766 for ; Mon, 7 Jun 2021 03:51:36 -0700 (PDT) Received: by mail-ej1-x62f.google.com with SMTP id ci15so25866352ejc.10 for ; Mon, 07 Jun 2021 03:51:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sartura-hr.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=HnsBV9+SaqA7SSr/e4/pLlJDmVEvCyduIpG+v1vPt2g=; b=YOyduQ7z3LsMZWwZbLjEehXuOMaeXCIccM4U1mr6Srqowtbsek7tKAQJ8OhGw21ayj k3NGMpyGiTP7YzvmRV2/DhBtrzEeCyYOwjo0FUJkRH+Y0V6GqzqHJuTgRidHiga74dhZ SGGOEWFZszzL15T+ZX18n1QWb+JQu9emXD0JnlEH+MpFIhg2DwJP0eYVesHx3Pd0yzry tuaQbwTIylGoPaozV9IE3G3jIvwDbnhZgELvhJE6aix1/UmgrdiYHyLHdsW9Sa6eSR78 5tUfbtipZcqOiJMwdF4x3fZXYOV0h64Vwclp7SJz3jkbbFtJFkCgjrpl4xaA6vPy4P15 5/pg== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=HnsBV9+SaqA7SSr/e4/pLlJDmVEvCyduIpG+v1vPt2g=; b=oRDFRTYnCBt+9LkWf20HZIvWpmsEjkfrN4pAOlQsi7DuLrla4jvjNha4rkxoHXp8HY H8UPsrBXpxNOr0B7wkdegGd/FAA0kyuYMOPKUiBcYp+C86SNjF4eLXfpaXONRvHG2LAV 26GifvvI2PPhHFlcVVfuUkEltwGPApLbtKG0yBgXQ4bJhYt7zVRaIrAUYGEO5lSXVH19 dn6nVaawVc4RfKND3VNCjrkXPotocUt53fCYmagbdT/Fx+mB5yR1aWIZSIJgxjT980NV fetgX8L+tz2w0A7IKO4qXJ5w2aKtKyKqfgisUCouleCxrycXETjOIE27ZsgS6QJTyGzd PECQ== X-Gm-Message-State: AOAM531Dh4lf3G7Bj9ADdJfPifAN6+5Dck7fE/3XxI/yUMNR5YlOA/TM kA9Kw7LuVoTiBRfuJpRl3K2a0g== X-Google-Smtp-Source: ABdhPJzGMn7UooqbLaOY0Shv91AT8vru8Li8IbtJDqh2fHrQ9oF4HXFKDM6ABcjgqoCL+fiUj8S2FA== X-Received: by 2002:a17:907:948f:: with SMTP id dm15mr13917017ejc.476.1623063095487; Mon, 07 Jun 2021 03:51:35 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f6sm6340003eja.108.2021.06.07.03.51.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 03:51:35 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, robh+dt@kernel.org, lee.jones@linaro.org, p.zabel@pengutronix.de, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bgolaszewski@baylibre.com Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko , Andy Shevchenko Subject: [PATCH v5 2/6] gpio: Add Delta TN48M CPLD GPIO driver Date: Mon, 7 Jun 2021 12:51:18 +0200 Message-Id: <20210607105122.2047212-2-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607105122.2047212-1-robert.marko@sartura.hr> References: <20210607105122.2047212-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Delta TN48M CPLD is used as a GPIO expander for the SFP GPIOs. It is a mix of input only and output only pins. Signed-off-by: Robert Marko Reviewed-by: Andy Shevchenko Acked-by: Bartosz Golaszewski Reviewed-by: Linus Walleij --- Changes in v2: * Rewrite to use simple I2C MFD and GPIO regmap * Drop DT bindings for pin numbering drivers/gpio/Kconfig | 12 ++++++ drivers/gpio/Makefile | 1 + drivers/gpio/gpio-tn48m.c | 89 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 102 insertions(+) create mode 100644 drivers/gpio/gpio-tn48m.c diff --git a/drivers/gpio/Kconfig b/drivers/gpio/Kconfig index e3607ec4c2e8..472f7764508e 100644 --- a/drivers/gpio/Kconfig +++ b/drivers/gpio/Kconfig @@ -1310,6 +1310,18 @@ config GPIO_TIMBERDALE help Add support for the GPIO IP in the timberdale FPGA. +config GPIO_TN48M_CPLD + tristate "Delta Networks TN48M switch CPLD GPIO driver" + depends on MFD_TN48M_CPLD + select GPIO_REGMAP + help + This enables support for the GPIOs found on the Delta + Networks TN48M switch CPLD. + They are used for inputs and outputs on the SFP slots. + + This driver can also be built as a module. If so, the + module will be called gpio-tn48m. + config GPIO_TPS65086 tristate "TI TPS65086 GPO" depends on MFD_TPS65086 diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index c58a90a3c3b1..271fb806475e 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -145,6 +145,7 @@ obj-$(CONFIG_GPIO_TEGRA186) += gpio-tegra186.o obj-$(CONFIG_GPIO_TEGRA) += gpio-tegra.o obj-$(CONFIG_GPIO_THUNDERX) += gpio-thunderx.o obj-$(CONFIG_GPIO_TIMBERDALE) += gpio-timberdale.o +obj-$(CONFIG_GPIO_TN48M_CPLD) += gpio-tn48m.o obj-$(CONFIG_GPIO_TPIC2810) += gpio-tpic2810.o obj-$(CONFIG_GPIO_TPS65086) += gpio-tps65086.o obj-$(CONFIG_GPIO_TPS65218) += gpio-tps65218.o diff --git a/drivers/gpio/gpio-tn48m.c b/drivers/gpio/gpio-tn48m.c new file mode 100644 index 000000000000..41484c002826 --- /dev/null +++ b/drivers/gpio/gpio-tn48m.c @@ -0,0 +1,89 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Delta TN48M CPLD GPIO driver + * + * Copyright 2021 Sartura Ltd + * + * Author: Robert Marko + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +enum tn48m_gpio_type { + TN48M_SFP_TX_DISABLE = 1, + TN48M_SFP_PRESENT, + TN48M_SFP_LOS, +}; + +static int tn48m_gpio_probe(struct platform_device *pdev) +{ + struct gpio_regmap_config config = {0}; + enum tn48m_gpio_type type; + struct regmap *regmap; + u32 base; + int ret; + + if (!pdev->dev.parent) + return -ENODEV; + + type = (uintptr_t)device_get_match_data(&pdev->dev); + if (!type) + return -ENODEV; + + ret = device_property_read_u32(&pdev->dev, "reg", &base); + if (ret) + return -EINVAL; + + regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!regmap) + return -ENODEV; + + config.regmap = regmap; + config.parent = &pdev->dev; + config.ngpio = 4; + + switch (type) { + case TN48M_SFP_TX_DISABLE: + config.reg_set_base = base; + break; + case TN48M_SFP_PRESENT: + config.reg_dat_base = base; + break; + case TN48M_SFP_LOS: + config.reg_dat_base = base; + break; + default: + dev_err(&pdev->dev, "unknown type %d\n", type); + return -ENODEV; + } + + return PTR_ERR_OR_ZERO(devm_gpio_regmap_register(&pdev->dev, &config)); +} + +static const struct of_device_id tn48m_gpio_of_match[] = { + { .compatible = "delta,tn48m-gpio-sfp-tx-disable", .data = (void *)TN48M_SFP_TX_DISABLE }, + { .compatible = "delta,tn48m-gpio-sfp-present", .data = (void *)TN48M_SFP_PRESENT }, + { .compatible = "delta,tn48m-gpio-sfp-los", .data = (void *)TN48M_SFP_LOS }, + { } +}; +MODULE_DEVICE_TABLE(of, tn48m_gpio_of_match); + +static struct platform_driver tn48m_gpio_driver = { + .driver = { + .name = "delta-tn48m-gpio", + .of_match_table = tn48m_gpio_of_match, + }, + .probe = tn48m_gpio_probe, +}; +module_platform_driver(tn48m_gpio_driver); + +MODULE_AUTHOR("Robert Marko "); +MODULE_DESCRIPTION("Delta TN48M CPLD GPIO driver"); +MODULE_LICENSE("GPL"); From patchwork Mon Jun 7 10:51:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 455529 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=-14.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, USER_AGENT_GIT autolearn=unavailable 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 5400BC48BE0 for ; Mon, 7 Jun 2021 10:52:54 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3C47261107 for ; Mon, 7 Jun 2021 10:52:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231228AbhFGKym (ORCPT ); Mon, 7 Jun 2021 06:54:42 -0400 Received: from mail-ed1-f52.google.com ([209.85.208.52]:38844 "EHLO mail-ed1-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231239AbhFGKyk (ORCPT ); Mon, 7 Jun 2021 06:54:40 -0400 Received: by mail-ed1-f52.google.com with SMTP id d13so6231950edt.5 for ; Mon, 07 Jun 2021 03:52:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sartura-hr.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zY5RLk/fd5DiVsCKJBYSJiTcCIwghmyi0mxOi7Ll8fE=; b=lKEgVVge16JAcUzME/1+z9dZh/fLoK2/0LoM5Qvw2COMMVYN6E+3TsSXpKY0BE4JOg t+J3i1PVhg+5cXE8EP2uccF8zu78kR5Z0iJTXzUvc0fz8Fg9ZOm+RuV16co5czaSWudv YwtP15usCs7FnR0W5yjyyJ15ORKWH2tiQvesaYVVc4qU+mi4zUXPYl0+4xdfBAyYmj+d Hjvrh15R8nHnm0phEvH3Urv41gBtedXJ5XHh11GJJciBZxGvfMb45FtIiv5HTE05UjdG FaXuYk8VzSmrMma91jx1gAn9tsGGFHvvdZlOFlI8WC5SqVlj6zB7LS8YK9nB74vJFvLb cwlA== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=zY5RLk/fd5DiVsCKJBYSJiTcCIwghmyi0mxOi7Ll8fE=; b=XHbR2kuCBSc7nG9jzo2KOym0uixag5MbKdTKRhWgSCtD8J9KHPPDyoqOkrMaTrJQQ4 eUm049w7cmMTMTAvvLTXhlXxYLaZ0iXt564MtvOFlPpH36A/q8dichJ6oRd9ZS4dynl9 OMrC4rfGFuxkFxejT1OkWvXcBPSEe7QPe/j0jUwi4G3ov7jm0Tv7KqUc3DXCLUhU53m+ OuTvi8mdguYjUjeaFtxB7aErfaAG9Pqash/Ckjq1ufOZP2kOX5mMYxb8v7j1xQcy6X3M Uo74A406QrAMOJctG5+vGvZYrtAns1jykWTegkuJvj6sEV1sgFof6Fah/ETGsCd8kHas CW9A== X-Gm-Message-State: AOAM5310bYPfZW/+O7oDhBVuxbb9hxKcUDnfRyiLCv3f+Q1Ct14olQ66 1KACZer/FdSoz/1PbgWuBo7ZfQ== X-Google-Smtp-Source: ABdhPJw9XIdL1bVqq3Jcj5m7KmzUJiTZnc94FSczF1v6Eu98PChOdiinE9pG25oqi/pzKwM+OF5HqQ== X-Received: by 2002:aa7:d846:: with SMTP id f6mr19252675eds.341.1623063097976; Mon, 07 Jun 2021 03:51:37 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f6sm6340003eja.108.2021.06.07.03.51.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 03:51:37 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, robh+dt@kernel.org, lee.jones@linaro.org, p.zabel@pengutronix.de, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bgolaszewski@baylibre.com Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v5 3/6] dt-bindings: reset: Add Delta TN48M Date: Mon, 7 Jun 2021 12:51:19 +0200 Message-Id: <20210607105122.2047212-3-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607105122.2047212-1-robert.marko@sartura.hr> References: <20210607105122.2047212-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add header for the Delta TN48M CPLD provided resets. Signed-off-by: Robert Marko --- include/dt-bindings/reset/delta,tn48m-reset.h | 20 +++++++++++++++++++ 1 file changed, 20 insertions(+) create mode 100644 include/dt-bindings/reset/delta,tn48m-reset.h diff --git a/include/dt-bindings/reset/delta,tn48m-reset.h b/include/dt-bindings/reset/delta,tn48m-reset.h new file mode 100644 index 000000000000..659a3f6c4d47 --- /dev/null +++ b/include/dt-bindings/reset/delta,tn48m-reset.h @@ -0,0 +1,20 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * Delta TN48M CPLD GPIO driver + * + * Copyright 2021 Sartura Ltd + * + * Author: Robert Marko + */ + +#ifndef _DT_BINDINGS_RESET_TN48M_H +#define _DT_BINDINGS_RESET_TN48M_H + +#define CPU_88F7040_RESET 0 +#define CPU_88F6820_RESET 1 +#define MAC_98DX3265_RESET 2 +#define PHY_88E1680_RESET 3 +#define PHY_88E1512_RESET 4 +#define POE_RESET 5 + +#endif /* _DT_BINDINGS_RESET_TN48M_H */ From patchwork Mon Jun 7 10:51:20 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 455531 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=-16.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=unavailable 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 6104AC47094 for ; Mon, 7 Jun 2021 10:52:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4C12161153 for ; Mon, 7 Jun 2021 10:52:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230348AbhFGKxu (ORCPT ); Mon, 7 Jun 2021 06:53:50 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:32820 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230405AbhFGKxt (ORCPT ); Mon, 7 Jun 2021 06:53:49 -0400 Received: from mail-ed1-x52d.google.com (mail-ed1-x52d.google.com [IPv6:2a00:1450:4864:20::52d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D5661C06178B for ; Mon, 7 Jun 2021 03:51:41 -0700 (PDT) Received: by mail-ed1-x52d.google.com with SMTP id cb9so19806013edb.1 for ; Mon, 07 Jun 2021 03:51:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sartura-hr.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=uxuJDaLJFNMdWrD4zSHSMfbzdhKctWUxMQCY49G8FVw=; b=rxjL76AkrRw0JxUyfDDXs5bGMmvnTz6gU3LutNmmL5V+bh8KUcho88eVUr9G+7NaMS MogE4EAVXvrfqadSOsckN2l+M9vcQQpJNSBgfqvdAQFridfFxfeY8Q8xefavQRouYEXS bRxc9IQhaIUxcqt2FCl6vQVS9ZZIb1VddDM1R9i5Kjgcobmy+oMLTGTgILmeTrdVLXYH 5SwUk7LW/XupyAh8u1rT/u+p/SMGgmj+zZ2A5m4XIkfAWp1x/jPYK8sVlNUCbGLZaNfB nkKDZ7un9P1WqtScpaqez/297WZAjFGHqB7L7Hia24dJ4NJDLoxxRFU5UBVQukwoAF7g 4zOg== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=uxuJDaLJFNMdWrD4zSHSMfbzdhKctWUxMQCY49G8FVw=; b=mP7GMh1jW9OWY3WPiVUkGUfrARcjth19KVhLmgBWto9zeli4/u/tp6Eug5IddwUlLP 5YyUWXhfP8v3yoHEZJgAMVN8tRtECbivVKHJsFGRbxund7YcUKOFfbfn/27GI5Mgm575 kDgZa1ngOuX8yBPrTE05KNMBEv7nb4Q8BYH4KRrxBQom5wNkadnPa5diE+TAnN36eKcz qJYbLaa3B87Pq4WMIYL/3R8F6wRYPRiG3e9cHlInOymG1dWmA0n0Fh92SLfsPp+rOlW4 irBVmD/ya7K4ZPNUt7o3MpCHODPFP0it6nS8KOFYCBVYCyembNU24KakkprWPwzaCAoS mH7g== X-Gm-Message-State: AOAM533mbnST3ziY3RfqHU2UhhunUqG2k6C7zF12I0TsZbrSwzejhmp8 hZ5nF+ok98D27LR3AdVbnYUaQg== X-Google-Smtp-Source: ABdhPJye2k3qcg1+WLKeni35oa2jwPys8xL1XoA14y+owIVRgXHhgfU3uyPcWZUg2mX4gqC4JjmmFQ== X-Received: by 2002:a50:d589:: with SMTP id v9mr19936231edi.126.1623063100484; Mon, 07 Jun 2021 03:51:40 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f6sm6340003eja.108.2021.06.07.03.51.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 03:51:40 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, robh+dt@kernel.org, lee.jones@linaro.org, p.zabel@pengutronix.de, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bgolaszewski@baylibre.com Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v5 4/6] reset: Add Delta TN48M CPLD reset controller Date: Mon, 7 Jun 2021 12:51:20 +0200 Message-Id: <20210607105122.2047212-4-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607105122.2047212-1-robert.marko@sartura.hr> References: <20210607105122.2047212-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Delta TN48M CPLD exposes resets for the following: * 88F7040 SoC * 88F6820 SoC * 98DX3265 switch MAC-s * 88E1680 PHY-s * 88E1512 PHY * PoE PSE controller Controller supports only self clearing resets. Signed-off-by: Robert Marko Reviewed-by: Philipp Zabel --- Changes in v5: * Allow COMPILE_TEST as well * Default to MFD_TN48M_CPLD Changes in v4: * Drop assert and deassert as only self-clearing resets are support by the HW * Make sure that reset is cleared before returning from reset. drivers/reset/Kconfig | 10 +++ drivers/reset/Makefile | 1 + drivers/reset/reset-tn48m.c | 128 ++++++++++++++++++++++++++++++++++++ 3 files changed, 139 insertions(+) create mode 100644 drivers/reset/reset-tn48m.c diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 4171c6f76385..b647bb945597 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -237,6 +237,16 @@ config RESET_TI_SYSCON you wish to use the reset framework for such memory-mapped devices, say Y here. Otherwise, say N. +config RESET_TN48M_CPLD + tristate "Delta Networks TN48M switch CPLD reset controller" + depends on MFD_TN48M_CPLD || COMPILE_TEST + default MFD_TN48M_CPLD + help + This enables the reset controller driver for the Delta TN48M CPLD. + It provides reset signals for Armada 7040 and 385 SoC-s, Alleycat 3X + switch MAC-s, Alaska OOB ethernet PHY, Quad Alaska ethernet PHY-s and + Microchip PD69200 PoE PSE controller. + config RESET_UNIPHIER tristate "Reset controller driver for UniPhier SoCs" depends on ARCH_UNIPHIER || COMPILE_TEST diff --git a/drivers/reset/Makefile b/drivers/reset/Makefile index 65a118a91b27..d048498e6566 100644 --- a/drivers/reset/Makefile +++ b/drivers/reset/Makefile @@ -31,6 +31,7 @@ obj-$(CONFIG_RESET_SOCFPGA) += reset-socfpga.o obj-$(CONFIG_RESET_SUNXI) += reset-sunxi.o obj-$(CONFIG_RESET_TI_SCI) += reset-ti-sci.o obj-$(CONFIG_RESET_TI_SYSCON) += reset-ti-syscon.o +obj-$(CONFIG_RESET_TN48M_CPLD) += reset-tn48m.o obj-$(CONFIG_RESET_UNIPHIER) += reset-uniphier.o obj-$(CONFIG_RESET_UNIPHIER_GLUE) += reset-uniphier-glue.o obj-$(CONFIG_RESET_ZYNQ) += reset-zynq.o diff --git a/drivers/reset/reset-tn48m.c b/drivers/reset/reset-tn48m.c new file mode 100644 index 000000000000..fa6fd7ddbdfb --- /dev/null +++ b/drivers/reset/reset-tn48m.c @@ -0,0 +1,128 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Delta TN48M CPLD reset driver + * + * Copyright 2021 Sartura Ltd + * + * Author: Robert Marko + */ + +#include +#include +#include +#include +#include +#include +#include + +#include + +#define TN48M_RESET_REG 0x10 + +#define TN48M_RESET_TIMEOUT 125000 +#define TN48M_RESET_SLEEP 10 + +struct tn48_reset_map { + u8 bit; +}; + +struct tn48_reset_data { + struct reset_controller_dev rcdev; + struct regmap *regmap; +}; + +static const struct tn48_reset_map tn48m_resets[] = { + [CPU_88F7040_RESET] = {0}, + [CPU_88F6820_RESET] = {1}, + [MAC_98DX3265_RESET] = {2}, + [PHY_88E1680_RESET] = {4}, + [PHY_88E1512_RESET] = {6}, + [POE_RESET] = {7}, +}; + +static inline struct tn48_reset_data *to_tn48_reset_data( + struct reset_controller_dev *rcdev) +{ + return container_of(rcdev, struct tn48_reset_data, rcdev); +} + +static int tn48m_control_reset(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct tn48_reset_data *data = to_tn48_reset_data(rcdev); + unsigned int val; + + regmap_update_bits(data->regmap, TN48M_RESET_REG, + BIT(tn48m_resets[id].bit), 0); + + return regmap_read_poll_timeout(data->regmap, + TN48M_RESET_REG, + val, + val & BIT(tn48m_resets[id].bit), + TN48M_RESET_SLEEP, + TN48M_RESET_TIMEOUT); +} + +static int tn48m_control_status(struct reset_controller_dev *rcdev, + unsigned long id) +{ + struct tn48_reset_data *data = to_tn48_reset_data(rcdev); + unsigned int regval; + int ret; + + ret = regmap_read(data->regmap, TN48M_RESET_REG, ®val); + if (ret < 0) + return ret; + + if (BIT(tn48m_resets[id].bit) & regval) + return 0; + else + return 1; +} + +static const struct reset_control_ops tn48_reset_ops = { + .reset = tn48m_control_reset, + .status = tn48m_control_status, +}; + +static int tn48m_reset_probe(struct platform_device *pdev) +{ + struct tn48_reset_data *data; + struct regmap *regmap; + + regmap = dev_get_regmap(pdev->dev.parent, NULL); + if (!regmap) + return -ENODEV; + + data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL); + if (!data) + return -ENOMEM; + + data->regmap = regmap; + + data->rcdev.owner = THIS_MODULE; + data->rcdev.ops = &tn48_reset_ops; + data->rcdev.nr_resets = ARRAY_SIZE(tn48m_resets); + data->rcdev.of_node = pdev->dev.of_node; + + return devm_reset_controller_register(&pdev->dev, &data->rcdev); +} + +static const struct of_device_id tn48m_reset_of_match[] = { + { .compatible = "delta,tn48m-reset", }, + { } +}; +MODULE_DEVICE_TABLE(of, tn48m_reset_of_match); + +static struct platform_driver tn48m_reset_driver = { + .driver = { + .name = "delta-tn48m-reset", + .of_match_table = tn48m_reset_of_match, + }, + .probe = tn48m_reset_probe, +}; +module_platform_driver(tn48m_reset_driver); + +MODULE_AUTHOR("Robert Marko "); +MODULE_DESCRIPTION("Delta TN48M CPLD reset driver"); +MODULE_LICENSE("GPL"); From patchwork Mon Jun 7 10:51:21 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 455528 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=-14.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, USER_AGENT_GIT autolearn=unavailable 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 6692CC47094 for ; Mon, 7 Jun 2021 10:53:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4F0D260FDA for ; Mon, 7 Jun 2021 10:53:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231282AbhFGKyx (ORCPT ); Mon, 7 Jun 2021 06:54:53 -0400 Received: from mail-ej1-f51.google.com ([209.85.218.51]:42524 "EHLO mail-ej1-f51.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231284AbhFGKyr (ORCPT ); Mon, 7 Jun 2021 06:54:47 -0400 Received: by mail-ej1-f51.google.com with SMTP id k25so20407074eja.9 for ; Mon, 07 Jun 2021 03:52:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sartura-hr.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=XZ6xGzQ1fYucC28Sy5XBR8mgxxxOu3bU8otSn6/V0po=; b=mWHSy1DeO0OhgA519dozZaH37ReFoJEbaMSZYDFc8j3iGayWzyxQFhmAtHnLPa45Ud kJ9Q3yZv72msBbgFGYfdqz99axENCjQoi1xlFbdLmpYUw7N4WB6Y0aG2yNc2DL5xhoDd iYgNQp+Td2Nb4ODczBaUCA0W6SqTfeO1lglavRrTaqs/MDbaw7BbTSLxMPm0KmUfMXxT uMwOXpueXJn+sGP7tqDmex2QI9dxdjURxyxbquitxknMlXhAJX+aAktEWb6dbfBesAhm J+uSOy2sQ+7x7+6WumeWuSPpmE0lkAIqVArzvQKfpNOEfaC6+Ql5NIB7ADMbrw+UrEGC q2IQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=XZ6xGzQ1fYucC28Sy5XBR8mgxxxOu3bU8otSn6/V0po=; b=MJdg9noyUBaAAmwNlt/mQBGMm6wbv4frdIaM7zUptYx4CEj5V71PLwAPmuETepgHuf c7t8cISF+FqVMShoDz2pOTuWkWKlS1BJiFv6h8ShQV9X/nu96hg43A3pgRWBX1BVEo20 nt+TeDm1UMzr9NHrY4/dG+eHZJ1zi+r3xWEYUpF314oMpzz+4HhZ0GkX/t9igoRxa7FH Unxrb8Ub6BWdk/E+6+udaD0Iu+4wfIW/M1NKD5spEfFkbkjj8b5vGehLShIg3qHjiTI0 ajnsZzaHTEr8w6akLtWmOVhKZwF80ZIrYuRndqcfXpmX+v6w3or75v6H48XTtRtrdMzD UG0A== X-Gm-Message-State: AOAM531v+bBs0U/qZ7cz4UF3MZ/x6bswnIZThVj+I/MLGmeka1O3lEmO lK1sDunJeSBOARr9oTfW4gS1ng== X-Google-Smtp-Source: ABdhPJxf/21o7oUER8OA+Ch2nwb67u0AvfflD2N94cDHfwiS+ZlG4m080kLwOi+eU67/k9x0nky5+A== X-Received: by 2002:a17:906:3a04:: with SMTP id z4mr17231709eje.221.1623063103178; Mon, 07 Jun 2021 03:51:43 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f6sm6340003eja.108.2021.06.07.03.51.41 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 03:51:42 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, robh+dt@kernel.org, lee.jones@linaro.org, p.zabel@pengutronix.de, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bgolaszewski@baylibre.com Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v5 5/6] dt-bindings: mfd: Add Delta TN48M CPLD drivers bindings Date: Mon, 7 Jun 2021 12:51:21 +0200 Message-Id: <20210607105122.2047212-5-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607105122.2047212-1-robert.marko@sartura.hr> References: <20210607105122.2047212-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add binding documents for the Delta TN48M CPLD drivers. Signed-off-by: Robert Marko --- Changes in v3: * Include bindings for reset driver Changes in v2: * Implement MFD as a simple I2C MFD * Add GPIO bindings as separate .../bindings/gpio/delta,tn48m-gpio.yaml | 42 +++++++++ .../bindings/mfd/delta,tn48m-cpld.yaml | 90 +++++++++++++++++++ .../bindings/reset/delta,tn48m-reset.yaml | 35 ++++++++ 3 files changed, 167 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/delta,tn48m-gpio.yaml create mode 100644 Documentation/devicetree/bindings/mfd/delta,tn48m-cpld.yaml create mode 100644 Documentation/devicetree/bindings/reset/delta,tn48m-reset.yaml diff --git a/Documentation/devicetree/bindings/gpio/delta,tn48m-gpio.yaml b/Documentation/devicetree/bindings/gpio/delta,tn48m-gpio.yaml new file mode 100644 index 000000000000..aca646aecb12 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/delta,tn48m-gpio.yaml @@ -0,0 +1,42 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/gpio/delta,tn48m-gpio.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Delta Networks TN48M CPLD GPIO controller + +maintainers: + - Robert Marko + +description: | + This module is part of the Delta TN48M multi-function device. For more + details see ../mfd/delta,tn48m-cpld.yaml. + + GPIO controller module provides GPIO-s for the SFP slots. + It is split into 3 controllers, one output only for the SFP TX disable + pins, one input only for the SFP present pins and one input only for + the SFP LOS pins. + +properties: + compatible: + enum: + - delta,tn48m-gpio-sfp-tx-disable + - delta,tn48m-gpio-sfp-present + - delta,tn48m-gpio-sfp-los + + reg: + maxItems: 1 + + "#gpio-cells": + const: 2 + + gpio-controller: true + +required: + - compatible + - reg + - "#gpio-cells" + - gpio-controller + +additionalProperties: false diff --git a/Documentation/devicetree/bindings/mfd/delta,tn48m-cpld.yaml b/Documentation/devicetree/bindings/mfd/delta,tn48m-cpld.yaml new file mode 100644 index 000000000000..2c6e2adf73ca --- /dev/null +++ b/Documentation/devicetree/bindings/mfd/delta,tn48m-cpld.yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/mfd/delta,tn48m-cpld.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Delta Networks TN48M CPLD controller + +maintainers: + - Robert Marko + +description: | + Lattice CPLD onboard the TN48M switches is used for system + management. + + It provides information about the hardware model, revision, + PSU status etc. + + It is also being used as a GPIO expander for the SFP slots and + reset controller for the switch MAC-s and other peripherals. + +properties: + compatible: + const: delta,tn48m-cpld + + reg: + description: + I2C device address. + maxItems: 1 + + "#address-cells": + const: 1 + + "#size-cells": + const: 0 + +required: + - compatible + - reg + - "#address-cells" + - "#size-cells" + +patternProperties: + "^gpio(@[0-9a-f]+)?$": + $ref: ../gpio/delta,tn48m-gpio.yaml + + "^reset-controller?$": + $ref: ../reset/delta,tn48m-reset.yaml + +additionalProperties: false + +examples: + - | + i2c { + #address-cells = <1>; + #size-cells = <0>; + + cpld@41 { + compatible = "delta,tn48m-cpld"; + reg = <0x41>; + #address-cells = <1>; + #size-cells = <0>; + + gpio@31 { + compatible = "delta,tn48m-gpio-sfp-tx-disable"; + reg = <0x31>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@3a { + compatible = "delta,tn48m-gpio-sfp-present"; + reg = <0x3a>; + gpio-controller; + #gpio-cells = <2>; + }; + + gpio@40 { + compatible = "delta,tn48m-gpio-sfp-los"; + reg = <0x40>; + gpio-controller; + #gpio-cells = <2>; + }; + + reset-controller { + compatible = "delta,tn48m-reset"; + #reset-cells = <1>; + }; + }; + }; diff --git a/Documentation/devicetree/bindings/reset/delta,tn48m-reset.yaml b/Documentation/devicetree/bindings/reset/delta,tn48m-reset.yaml new file mode 100644 index 000000000000..0e5ee8decc0d --- /dev/null +++ b/Documentation/devicetree/bindings/reset/delta,tn48m-reset.yaml @@ -0,0 +1,35 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/reset/delta,tn48m-reset.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Delta Networks TN48M CPLD reset controller + +maintainers: + - Robert Marko + +description: | + This module is part of the Delta TN48M multi-function device. For more + details see ../mfd/delta,tn48m-cpld.yaml. + + Reset controller modules provides resets for the following: + * 88F7040 SoC + * 88F6820 SoC + * 98DX3265 switch MAC-s + * 88E1680 PHY-s + * 88E1512 PHY + * PoE PSE controller + +properties: + compatible: + const: delta,tn48m-reset + + "#reset-cells": + const: 1 + +required: + - compatible + - "#reset-cells" + +additionalProperties: false From patchwork Mon Jun 7 10:51:22 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 455527 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=-21.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER, INCLUDES_PATCH, MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING, SPF_HELO_NONE, SPF_PASS, USER_AGENT_GIT autolearn=unavailable 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 B74BFC48BCF for ; Mon, 7 Jun 2021 10:53:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 95D3B61073 for ; Mon, 7 Jun 2021 10:53:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231337AbhFGKyy (ORCPT ); Mon, 7 Jun 2021 06:54:54 -0400 Received: from mail-ed1-f50.google.com ([209.85.208.50]:34810 "EHLO mail-ed1-f50.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231296AbhFGKyt (ORCPT ); Mon, 7 Jun 2021 06:54:49 -0400 Received: by mail-ed1-f50.google.com with SMTP id cb9so19806289edb.1 for ; Mon, 07 Jun 2021 03:52:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sartura-hr.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=2o3lod6/tQHJli1HMNUrlxY009C4XIUm342TOsfm420=; b=IDblBJOC6V9zP5f7LWfXEcaceHMvkrZvOa8yV6hifBe1VNPbmasGY76ZoNwEbmJUXf a4wuIkXjW0rajqvi8oEp4HLaxLJZI6ty3T3F8RT7HSQRirWsNev3zAiiqQ0Pt/JVkLAp tV/5UpfQ9JzyjPjjwHdOlEcNNhwNHRLsOQrFedTfKH1CEZAhMzONRY1VB/g9NbcsDpFk ZEPcY5l/UI4m/2ls2yq8wE4vp2YBTVXJUmD1y0K9F+1TjB+svCTAeo52AaxIeAU9oRQo oIqNsxa4GDByyI1en2vnRcN3rHSxMKLcEkS2JYdTFuu/hUonPuVmhjYmqRLGYtYTEHIh X2KQ== 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:in-reply-to :references:mime-version:content-transfer-encoding; bh=2o3lod6/tQHJli1HMNUrlxY009C4XIUm342TOsfm420=; b=eF26AZOxxc8L0R5GaPOfhHKm0inmbruYx9pFWd3aB/8NwgUP2jz4SWQ5bAt1DjVkU4 24e0dDNmg/LgMPlr79hAvFyF5ImVdh5gU3VTaTgjlDSTM986SxRCBGTOE6/sPs0eW7ib u/ggBasBSLdR9J4Mogz6hnrk/o0dQruJWvTizVFeQt5KNbkaMIeVCjD/zgIhlssSGQNN ikt4/QpSloBXijylJX5tbZPRV2ijfvj1NJQfxsO+nA6/wpnbXZYcV2JFf7tK57UvLHTq Pj95zxghTlYyYFUqvFfkebF4J8TS6IGpoFkwTBmzxx9GnD9ra81h52GdS6tRwbeU+5/J 2GmQ== X-Gm-Message-State: AOAM530aRNi7MMnd2DcS+2Z71k1rFO8rJnRCgAzMCHyh5NTxNwSXq0lo yurd3ntINm7OB3uDU0oZFofkYw+jCEOxJg== X-Google-Smtp-Source: ABdhPJx4Ct/adIB5Q8H0U4N3keddlIjXCjd7JyHgiTLDw9+AlwtyGjYmdmxaLq1m06KpolO9YYNo1g== X-Received: by 2002:a05:6402:31f3:: with SMTP id dy19mr19383237edb.153.1623063105759; Mon, 07 Jun 2021 03:51:45 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f6sm6340003eja.108.2021.06.07.03.51.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 03:51:45 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, robh+dt@kernel.org, lee.jones@linaro.org, p.zabel@pengutronix.de, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, bgolaszewski@baylibre.com Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v5 6/6] MAINTAINERS: Add Delta Networks TN48M CPLD drivers Date: Mon, 7 Jun 2021 12:51:22 +0200 Message-Id: <20210607105122.2047212-6-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607105122.2047212-1-robert.marko@sartura.hr> References: <20210607105122.2047212-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org Add maintainers entry for the Delta Networks TN48M CPLD MFD drivers. Signed-off-by: Robert Marko --- Changes in v3: * Add reset driver documentation Changes in v2: * Drop no more existing files MAINTAINERS | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 9450e052f1b1..82d9c2943c34 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -5096,6 +5096,15 @@ W: https://linuxtv.org T: git git://linuxtv.org/media_tree.git F: drivers/media/platform/sti/delta +DELTA NETWORKS TN48M CPLD DRIVERS +M: Robert Marko +S: Maintained +F: Documentation/devicetree/bindings/gpio/delta,tn48m-gpio.yaml +F: Documentation/devicetree/bindings/mfd/delta,tn48m-cpld.yaml +F: Documentation/devicetree/bindings/reset/delta,tn48m-reset.yaml +F: drivers/gpio/gpio-tn48m.c +F: include/dt-bindings/reset/delta,tn48m-reset.h + DENALI NAND DRIVER L: linux-mtd@lists.infradead.org S: Orphan