From patchwork Wed Jun 2 12:24:34 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 1486671 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@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=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=sartura-hr.20150623.gappssmtp.com header.i=@sartura-hr.20150623.gappssmtp.com header.a=rsa-sha256 header.s=20150623 header.b=NAFpRO8E; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Fw7Y22Y4jz9sRN for ; Wed, 2 Jun 2021 22:25:58 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229724AbhFBM1j (ORCPT ); Wed, 2 Jun 2021 08:27:39 -0400 Received: from mail-ej1-f47.google.com ([209.85.218.47]:38482 "EHLO mail-ej1-f47.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229884AbhFBM1h (ORCPT ); Wed, 2 Jun 2021 08:27:37 -0400 Received: by mail-ej1-f47.google.com with SMTP id e18so3563391eje.5 for ; Wed, 02 Jun 2021 05:25:46 -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:mime-version :content-transfer-encoding; bh=wMQqmoj3nd3kMgvLGFUrh0di1g3/21uyykstmCG03/k=; b=NAFpRO8EU0sFU8JLDKS8uFc/Sx0L1jbkbuP7t1U3t2plfSjNUBgNdk0s9PMiSp59Ka C6b5ULTJ+jLzpMUcmhSh9TvUPbXen0La6LJ61Te3UNd285UzFO8/PELKD+TppKJZ+u9y bRUD4XjqxeOf2JwgtTE51l0Zy5jU8SXZHFUq98CpJIHFIZY6sc/F1z3nJ6tqMvksgX0P zV2+z6sIFmlep8Xz5QRkbUxnsNwo4OuaZOVD6LoJ+vgDZOczoHCxa0Et8hcXEKlY4jwl Q0qIYvfpIewK3h/zlVh5FnvkY+KPcAHzHUAfzB8JGPqWyBfNJzoN3dhaN69pbcUxaWaW iJwQ== 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=wMQqmoj3nd3kMgvLGFUrh0di1g3/21uyykstmCG03/k=; b=lh4b7CT7maXDIM8wf7UW/EnaFWK4KKVdQbit0bevBJFE9CJ0aosBID9hhYX8cjvpZ0 oUxTjJAvpKewxHRJ5sT2r6Z+YHlY3aWnBxK3aYCK5PEbbN9WaCL9pyjeh5Y8xfNi1TQR 63PvuWO0oMkSUpOE0RwAio7o3A/jD8qQweg3bWcL2isrdEYRF9SGAh9wEr6y96E/vFAW trjRKU9u6kjGyj/uxEOku8xbqDayIZErxc4uMwmara6hAHKttdwkD7ZLOZTUfiTm4I8O mdJm0Ucwymo42MvcxlWa20x70wJFZ1GNGsrIWCnMGFOj+rpc9t6J78UQ+cV8NI1MO5dU ywIA== X-Gm-Message-State: AOAM53209tCUOf0EMmPy7/tiknnN7dppfexC4IeHj1GtapRlkdTDuX8r zL9c0BAQFIRKwc46r/jZq5eQQA== X-Google-Smtp-Source: ABdhPJyhXqHlCP22Ff6XGljlqO/zNDq1mX06640rFNztfLb0dLKAQ9sTqEjYIN+tbLjNW5Ove5Nz2Q== X-Received: by 2002:a17:906:eb88:: with SMTP id mh8mr16455568ejb.540.1622636686035; Wed, 02 Jun 2021 05:24:46 -0700 (PDT) Received: from localhost.localdomain (dh207-96-250.xnet.hr. [88.207.96.250]) by smtp.googlemail.com with ESMTPSA id z17sm8539340ejc.69.2021.06.02.05.24.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 05:24:45 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, 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 Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v4 1/6] mfd: simple-mfd-i2c: Add Delta TN48M CPLD support Date: Wed, 2 Jun 2021 14:24:34 +0200 Message-Id: <20210602122439.2084775-1-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@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 --- 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 Wed Jun 2 12:24:35 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 1486669 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@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=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=sartura-hr.20150623.gappssmtp.com header.i=@sartura-hr.20150623.gappssmtp.com header.a=rsa-sha256 header.s=20150623 header.b=iv9I9+Qv; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Fw7Xx64Qfz9sCD for ; Wed, 2 Jun 2021 22:25:53 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229594AbhFBM1d (ORCPT ); Wed, 2 Jun 2021 08:27:33 -0400 Received: from mail-ej1-f41.google.com ([209.85.218.41]:37532 "EHLO mail-ej1-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229844AbhFBM1b (ORCPT ); Wed, 2 Jun 2021 08:27:31 -0400 Received: by mail-ej1-f41.google.com with SMTP id ce15so3566803ejb.4 for ; Wed, 02 Jun 2021 05:25:48 -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=+R4hHqOH9P3sICteAf7/IDg//TYDCjFSsnb52hqNJ5I=; b=iv9I9+QvITbV69Rff1OpnEA5bBUHAVWzWpdO7aXWzzBZEJ7gZPmemEwdlNxm0QEc+j 4NfEYcQb3XrpneNgSHAWVMKL8etlMNDRDaG4nUz69XPTdSF1KIbh2tizMz5wiTJ8/kKQ a0/Oarr8jvFJyySPxWNMXxheMHrCJMozraK73RWaoL5JKx7sV1DQJ6/KxN4rdZKQfSLo HvUJ5H6+8ryO3/Uiuzybp6HY45IOiWlOmCgUEe3dJQ2z2mVcnj27kwfxObUgbTmSv69H A67Q3GGn+lcNuOXuqhvYK5oZvWMCrYPiuXwB8cFq+s2D/B4LY8fEjwLyfLcAb1UQLbtV YgGg== 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=+R4hHqOH9P3sICteAf7/IDg//TYDCjFSsnb52hqNJ5I=; b=k6Js/9mVpU50kFCZ/bxUNEAFGhqii9MEenp9nWsvGylKHE75rx5Lxgqeu22mus2qLd njG15mJqIHR/SB1+Z5QOP0B71AbNBFBTsF1FBwCJy5wY875NfM/HWX5K9+gVDsp9OuNE 6XBbcTdRViXpF5YEO+9gSfPU5ZWSq+OTVtA0moIicgctb4fgrgya7XBoAA8OyLJx5tPK X5Fw2nsJl5jnCK0NGAyaq/tvSsEj6Coib7mOkQGbzbThHOGIeUKzrntNyUofufWXiuuL dPtcIXInS10FBjPJar9jdjYNIs1MHvaKniLcxnz2IrptvUqAqokhUAsi5sojbLGJCYrR eHKw== X-Gm-Message-State: AOAM532t9+cFGMiutc1HYM6NV57j0OnIM9HvpEGMQChYOBvS1OFvd/UY Y2tEGLZtwcZ8lS4Rf9+D+b85dw== X-Google-Smtp-Source: ABdhPJzRB4dwH8Kzf7fjEFcg93w4v9fB2NgesaKxQM9FV0j1q1UMhGqqoTDROsBBP3bgZuYaqZXk6g== X-Received: by 2002:a17:906:35cd:: with SMTP id p13mr20673578ejb.24.1622636687952; Wed, 02 Jun 2021 05:24:47 -0700 (PDT) Received: from localhost.localdomain (dh207-96-250.xnet.hr. [88.207.96.250]) by smtp.googlemail.com with ESMTPSA id z17sm8539340ejc.69.2021.06.02.05.24.46 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 05:24:47 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, 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 Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko , Andy Shevchenko Subject: [PATCH v4 2/6] gpio: Add Delta TN48M CPLD GPIO driver Date: Wed, 2 Jun 2021 14:24:35 +0200 Message-Id: <20210602122439.2084775-2-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210602122439.2084775-1-robert.marko@sartura.hr> References: <20210602122439.2084775-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@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 --- 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 Wed Jun 2 12:24:36 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 1486667 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@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=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=sartura-hr.20150623.gappssmtp.com header.i=@sartura-hr.20150623.gappssmtp.com header.a=rsa-sha256 header.s=20150623 header.b=myuHSwFt; 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[88.207.96.250]) by smtp.googlemail.com with ESMTPSA id z17sm8539340ejc.69.2021.06.02.05.24.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 05:24:49 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, 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 Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v4 3/6] dt-bindings: reset: Add Delta TN48M Date: Wed, 2 Jun 2021 14:24:36 +0200 Message-Id: <20210602122439.2084775-3-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210602122439.2084775-1-robert.marko@sartura.hr> References: <20210602122439.2084775-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@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 Wed Jun 2 12:24:37 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 1486665 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@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=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=sartura-hr.20150623.gappssmtp.com header.i=@sartura-hr.20150623.gappssmtp.com header.a=rsa-sha256 header.s=20150623 header.b=F2slLirh; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Fw7Wr0DcRz9sW6 for ; Wed, 2 Jun 2021 22:24:56 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229718AbhFBM0g (ORCPT ); Wed, 2 Jun 2021 08:26:36 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229620AbhFBM0f (ORCPT ); Wed, 2 Jun 2021 08:26:35 -0400 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CF4FBC061760 for ; Wed, 2 Jun 2021 05:24:52 -0700 (PDT) Received: by mail-ed1-x530.google.com with SMTP id u24so2643567edy.11 for ; Wed, 02 Jun 2021 05:24:52 -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=/GZfxuF8FCu8BnfJyiAoL3rt28pit5Th6zeEOz8g0gk=; b=F2slLirhF0vmDVSvEjR295bplcbHgSftgUzn+tBMW2+pZLFP5Qzhl9iocOB4OU0AJl vFSq8P2zU0Rmm01dJicOfGCAbgFBhvAAqZkYcgxeeTDH1JhAleDw6znN8bdq2Ds3hgif IsrAHr2Mh9eGq/XGnuf3SaVyjrCRa0rj2aNZhgNRj9eJT+LRwOfJzrXXJ9whfSe63iRI grlhrLnvgvjeR66HkHOYpWh0uxm3Zxvnc6OU/saGxsWEt1wVQJA4Da6UPW3wopuyxVez BughrfU3wARFO2HEm05ORTwbGVcGXW34g9X0PFNfNZU73+tNPEa4xyDOFt/oPjzhoeOP 9HRg== 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=/GZfxuF8FCu8BnfJyiAoL3rt28pit5Th6zeEOz8g0gk=; b=toWssqBJZ4o1wxp3NUqliLRu9jGZN1KVqh0rYEhSb1E98Y8Ppn+9thbqaY1VN/2jhm vq/wXSA3MuS1dnV/3xzAoEKcztB63fw09BfvOjdo2GgqJdfPWKsg4rtG5F6ZL7frHTWm GOn5JtzoxWmq2MwWEvyfFK0eIDjrwoc1IPuPQdMtDqYKZjOmpK9xlZtnpGSkPdDj+GB5 aTJS8hGu3cRy7ywtht7XzBfoDB3voN0Bk/a/TXMTix3Xn7zOrsCAz51HfqVCgmmJ5a7L 5jKCmP6+y5g4YPF0ayGYbM6PcfikxX7ukbQWeCm6M7h4Wa8KHlIOq1i5O85YTnWVUWDo bnMQ== X-Gm-Message-State: AOAM532d0sJ242ZfWaVJ1YMCcRqW2TtNPUF73bmgYojMGGnV3Uf5tBqA 5sU3jkF5MveiSUhMtIDOBv1NUw== X-Google-Smtp-Source: ABdhPJxfmPCmH4yimYu3t+1z13gAsF58t8xh0ISDfkHgt4qyjQAXgtMmqolX6WajQc41nMJrHSO8Tw== X-Received: by 2002:a05:6402:695:: with SMTP id f21mr23094765edy.96.1622636691471; Wed, 02 Jun 2021 05:24:51 -0700 (PDT) Received: from localhost.localdomain (dh207-96-250.xnet.hr. [88.207.96.250]) by smtp.googlemail.com with ESMTPSA id z17sm8539340ejc.69.2021.06.02.05.24.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 05:24:51 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, 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 Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v4 4/6] reset: Add Delta TN48M CPLD reset controller Date: Wed, 2 Jun 2021 14:24:37 +0200 Message-Id: <20210602122439.2084775-4-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210602122439.2084775-1-robert.marko@sartura.hr> References: <20210602122439.2084775-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@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 --- drivers/reset/Kconfig | 9 +++ drivers/reset/Makefile | 1 + drivers/reset/reset-tn48m.c | 128 ++++++++++++++++++++++++++++++++++++ 3 files changed, 138 insertions(+) create mode 100644 drivers/reset/reset-tn48m.c diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 4171c6f76385..14e179cda58c 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -237,6 +237,15 @@ 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 + 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 Wed Jun 2 12:24:38 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 1486670 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@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=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=sartura-hr.20150623.gappssmtp.com header.i=@sartura-hr.20150623.gappssmtp.com header.a=rsa-sha256 header.s=20150623 header.b=pT5WJmda; 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[88.207.96.250]) by smtp.googlemail.com with ESMTPSA id z17sm8539340ejc.69.2021.06.02.05.24.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 05:24:52 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, 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 Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v4 5/6] dt-bindings: mfd: Add Delta TN48M CPLD drivers bindings Date: Wed, 2 Jun 2021 14:24:38 +0200 Message-Id: <20210602122439.2084775-5-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210602122439.2084775-1-robert.marko@sartura.hr> References: <20210602122439.2084775-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add binding documents for the Delta TN48M CPLD drivers. Signed-off-by: Robert Marko --- .../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 Wed Jun 2 12:24:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 1486668 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@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=linux-gpio-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=sartura-hr.20150623.gappssmtp.com header.i=@sartura-hr.20150623.gappssmtp.com header.a=rsa-sha256 header.s=20150623 header.b=YLu782R4; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by ozlabs.org (Postfix) with ESMTP id 4Fw7XC2TTDz9sSs for ; Wed, 2 Jun 2021 22:25:15 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229833AbhFBM04 (ORCPT ); Wed, 2 Jun 2021 08:26:56 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:39226 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229727AbhFBM0w (ORCPT ); Wed, 2 Jun 2021 08:26:52 -0400 Received: from mail-ej1-x634.google.com (mail-ej1-x634.google.com [IPv6:2a00:1450:4864:20::634]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1FE80C061760 for ; Wed, 2 Jun 2021 05:24:56 -0700 (PDT) Received: by mail-ej1-x634.google.com with SMTP id e18so3564055eje.5 for ; Wed, 02 Jun 2021 05:24:56 -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=KwzIciJcRMLFeuSk+73IfkH7cFnyIlKyHf0qK2B6F5s=; b=YLu782R4rDcdufVKCWyFar1u0k6ZHIS149dEuY/M5/REZQmi81VEd0HYxa83bcsHrq Ph/aAm5w6euQn1Gk2P/2HibUDzDJaszXa6Sh8AoWF1dxeSubYazVzxeNMy+UsHgq4lZq r0mWTqK5wk9E5LZkcU7TtLXMdyLzQv5fGG1I8VHGX1ePRV3zQdnpuRYnSPTcwDCHD96a +Srku5qHx4JSQsrRe/JyFM+JhmjOwFSc8AQ/JrkqHFgdDHBpQq412gKfzpJ1Mb33UOeG 0t1++gb+1Q1nIvrnzdh2c0tESVfU4RuGgK7aJBu24qrb/h+/684mjxJxvDZ9xkgt3bYH HsBw== 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=KwzIciJcRMLFeuSk+73IfkH7cFnyIlKyHf0qK2B6F5s=; b=D9L7VfMizqJZpMi19VUjx98BeM1zadBF0d2nOhII+IOPCr0FmMQutamKKHxOYMwsEC O/SZGzmSwKsb615+q/dEYAJtnF6VzFovTPFH6jS3JJLkPLL8zn5VhTwI5rQGkg3aq7Zv 6pyOCjzwJUh3e1NKjKBqbnMvK1Thbuzt1lyFc8osPrZk5LZujN38TYE/yzM6rVzDjNu5 OklokAlxiTvFVoCyrofg4KQBggSOFPidh2WGsTbtLbQwd745zaAx+ToX7l7G1gI7N09w No/SrPN3V5e1i/r0NHVYL1bsvJNekACSko8/49koGo+25hfSJnnF5RU3GtDhKrqE4FVW 9k1g== X-Gm-Message-State: AOAM532FJjeTGqh+0KL23Ky3TSR/y1OvVd0Iuu1izvVRGv5Gui3bxn2X 7KG90sK/cv1RHipMzbQVFlKZsQ== X-Google-Smtp-Source: ABdhPJyUATHNryaU2UdW7mbUDR3V6ErfrzvZ7r7XgrMT94yfOmagV2tucEdTb8VY/t4Cv9cfiRAjEg== X-Received: by 2002:a17:906:1848:: with SMTP id w8mr631935eje.277.1622636694788; Wed, 02 Jun 2021 05:24:54 -0700 (PDT) Received: from localhost.localdomain (dh207-96-250.xnet.hr. [88.207.96.250]) by smtp.googlemail.com with ESMTPSA id z17sm8539340ejc.69.2021.06.02.05.24.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 02 Jun 2021 05:24:54 -0700 (PDT) From: Robert Marko To: linus.walleij@linaro.org, bgolaszewski@baylibre.com, 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 Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v4 6/6] MAINTAINERS: Add Delta Networks TN48M CPLD drivers Date: Wed, 2 Jun 2021 14:24:39 +0200 Message-Id: <20210602122439.2084775-6-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210602122439.2084775-1-robert.marko@sartura.hr> References: <20210602122439.2084775-1-robert.marko@sartura.hr> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add maintainers entry for the Delta Networks TN48M CPLD MFD drivers. Signed-off-by: Robert Marko --- 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