From patchwork Mon Jun 7 12:33:12 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 456118 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 5CF8DC47082 for ; Mon, 7 Jun 2021 12:34:31 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 40C8B610E7 for ; Mon, 7 Jun 2021 12:34:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230329AbhFGMgV (ORCPT ); Mon, 7 Jun 2021 08:36:21 -0400 Received: from mail-ej1-f41.google.com ([209.85.218.41]:43865 "EHLO mail-ej1-f41.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230288AbhFGMgQ (ORCPT ); Mon, 7 Jun 2021 08:36:16 -0400 Received: by mail-ej1-f41.google.com with SMTP id ci15so26345434ejc.10 for ; Mon, 07 Jun 2021 05:34:24 -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=Tlmrp/Lx1rETQeuEkLjcveKpE8NsDZh8QzPT4p3h4hUhxqjaccqSnzx+/PHSH5esO5 XINlc86HFGLDMTtYWAJARJYsvJ7T9lfbWKIOHIvKhyysmPSymmI1cBqMbj56XfWB+VDe mtI2oq30yKsRxr7Cm134ccAzHlKvAA4RKezpbId4VLWTG4dMr+NRJ/Tdw7yheXYtOJAd BHop/MGWI454lK9IeTas5NM/skSNcRIyyV8FL2YH8+TAKgJCpDmf+GvkCmHlhIZn3ylp LdAmtMvQbDV+qTT1TTvc/KuGCa3qCpvtfQmY6jQqugLPOUjAHj9PIcemDforVBeLbzI5 dRmQ== 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=RJW3WJ3ik0e0it+uHbpj7HsChdcnEOAIfgPd1xVykMN0os0wy2ODytRgRXP0MkAOrz sBwbwtIMXXwtwFOeTmU2oi9XV2Kx39YmKuJAYHCYuehARWBuUQMHUeVCAW7/z5ChYmUZ anvKa+y6BiR+oddv0nurTFgScsCsaRHz3mVCFWkvau520zfiKRRU2/SVZYIkoHsnXFGr 5GfvA+Z6eP6rFckTqq6qfvY9uar3vMfLkpIQCJVdv6/ysV16SKMzgF6ZEaHpMep9E8YW 9wH+WNoRVICf4q0lHRZp8KdqXIjfobRnmWfej3MvpbvtBcvmEXM+SXgEMS2eae9yy6Li 8rGA== X-Gm-Message-State: AOAM530OUd272BVGPDagVV1tlTj9qxoxS/1hi1dhctlKA3hHExKeKQdz 4rL3Q72TGzgVmMlGsEQeJj9Ynw== X-Google-Smtp-Source: ABdhPJyx9+fVGPQO13neftlKAK7lNRGKMnjjOGyvp7SqnC0fIqlkQaJhv43Ypu8J0r8Ze57YVS7hVA== X-Received: by 2002:a17:906:3485:: with SMTP id g5mr17369204ejb.174.1623069204108; Mon, 07 Jun 2021 05:33:24 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f18sm6471000ejz.119.2021.06.07.05.33.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 05:33:23 -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 v6 1/6] mfd: simple-mfd-i2c: Add Delta TN48M CPLD support Date: Mon, 7 Jun 2021 14:33:12 +0200 Message-Id: <20210607123317.3242031-1-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 12:33:13 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 455513 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 56A4CC47082 for ; Mon, 7 Jun 2021 12:33:44 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3A49E61245 for ; Mon, 7 Jun 2021 12:33:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230333AbhFGMfe (ORCPT ); Mon, 7 Jun 2021 08:35:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230198AbhFGMfe (ORCPT ); Mon, 7 Jun 2021 08:35:34 -0400 Received: from mail-ed1-x52a.google.com (mail-ed1-x52a.google.com [IPv6:2a00:1450:4864:20::52a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A0C03C061789 for ; Mon, 7 Jun 2021 05:33:27 -0700 (PDT) Received: by mail-ed1-x52a.google.com with SMTP id r7so5737793edv.12 for ; Mon, 07 Jun 2021 05:33:27 -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=lGX0JNuG31D7qcZgJCbDC1QXAo75ucOQHTYj8s/w3Tk=; b=MmuLlDq2V4KmdjVVafyc0Q9KsXRJdG8yNpliR5wm/1W8tW3lib3Ds5v/LHfdcW33+Z q8JL/IUn0Wu1Nyrh16IKs73bWd2h7G1NMUl58Fg0CvWnccWBBFP1PaCONNC2B/Ar+HJd atfq3xc7L8QAksb5gcdibFtrSZciUam44WRqiYljp9iMApr7mm4AF0ERG1c2Ti2dmAI5 3tNgnfUSW3Ui0G9rBLlsExr9qSpUJI4xuLx6lv0XcAYPvOumkkaS8nw/cbKPr7iIPTun vy4bs+sK88EEA+BVFHFI++Bz6UGtdGbbisI4YUaK/uhA9B91x+Y32VlnA68mctzvZGMa 4Mdg== 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=lGX0JNuG31D7qcZgJCbDC1QXAo75ucOQHTYj8s/w3Tk=; b=IMQTfuazu7oPpUp6qFEOEKotU7Um7NWyDVsy/kwH+wmGqpVQ3GJywBHR+GJ5kX9WJt KrcuZR3PZOjc0JTQJtplgBoy8WrWa8Q2eqaFhLCCEtwIX9oXPjRLuctYKsxmrSaDpoJr gOHLn4NOHpmYZx3eKH5MMBMHZdI7Elu+z1JWWdx8YsfzRuuMwfgsxyhqu0IJLGoUJJvh YqTB5LSNEiQlux0MJIZPIOhErAR9xdfq4QmGUTh79+U2ufXEnak36u3Ghl1YdTwSyG/0 K/QVqXhcgeAh7lgn1MnkauteXmEy4fLFU0SSScE62/67cnHN+vbXkKqixr7N09TGjyU1 8Z3A== X-Gm-Message-State: AOAM530AhFvgaXf4ou19F/8WMWbvuqJCYDUBaTw2PP5VPBPwvFSHeT3h vt4OccUzTLQPv7HPLe1ZIsCCwQ== X-Google-Smtp-Source: ABdhPJwBkuM9a1lFjS6uETXxtGLxH0bl5hZtHfMKTl7at5o+kdVktFHXtKudt9rIsEgSg6K9xu2oHQ== X-Received: by 2002:aa7:c4d0:: with SMTP id p16mr20379672edr.150.1623069206234; Mon, 07 Jun 2021 05:33:26 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f18sm6471000ejz.119.2021.06.07.05.33.24 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 05:33:25 -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 v6 2/6] gpio: Add Delta TN48M CPLD GPIO driver Date: Mon, 7 Jun 2021 14:33:13 +0200 Message-Id: <20210607123317.3242031-2-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607123317.3242031-1-robert.marko@sartura.hr> References: <20210607123317.3242031-1-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 v6: * Drop unused header * Return the return value of device_property_read_u32() instead of a hardcoded return 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 | 88 +++++++++++++++++++++++++++++++++++++++ 3 files changed, 101 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..b12a6b4bc4b3 --- /dev/null +++ b/drivers/gpio/gpio-tn48m.c @@ -0,0 +1,88 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * Delta TN48M CPLD GPIO driver + * + * Copyright (C) 2021 Sartura Ltd. + * + * Author: Robert Marko + */ + +#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 ret; + + 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 12:33:14 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 455511 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 88E9CC47094 for ; 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[88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f18sm6471000ejz.119.2021.06.07.05.33.26 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 05:33:28 -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 v6 3/6] dt-bindings: reset: Add Delta TN48M Date: Mon, 7 Jun 2021 14:33:14 +0200 Message-Id: <20210607123317.3242031-3-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607123317.3242031-1-robert.marko@sartura.hr> References: <20210607123317.3242031-1-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..d4e9ed12de3e --- /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 (C) 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 12:33:15 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 456119 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 74AAAC47082 for ; Mon, 7 Jun 2021 12:33:52 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 5798261208 for ; Mon, 7 Jun 2021 12:33:52 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230479AbhFGMfm (ORCPT ); Mon, 7 Jun 2021 08:35:42 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55506 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230478AbhFGMfm (ORCPT ); Mon, 7 Jun 2021 08:35:42 -0400 Received: from mail-ej1-x62d.google.com (mail-ej1-x62d.google.com [IPv6:2a00:1450:4864:20::62d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C198FC061795 for ; Mon, 7 Jun 2021 05:33:34 -0700 (PDT) Received: by mail-ej1-x62d.google.com with SMTP id c10so26331411eja.11 for ; Mon, 07 Jun 2021 05:33:34 -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=ubkzp8oMlVoCN0+6YS6gJRfyqm3niotWvm/jH5v0C/U=; b=qyOX7iX92Fo9ZWekPtOCYGiPSIhzZFGY+w2RfOwJhR47zEE+giL0zmNP/CG059/Bsg r5WceXxID9RI9n/3CX0Q+YGuPisTe0BKecX24rI3yE4yCgoHwRQOPjruiKR9YU/lmlYT BFuCDw6pMSxyd99IJFy8l1Kc0kTrF1V/hTn08TOV1ULmLwcVUe/lkDoEJkgjfdzpmy3+ 2Cxubwa1Xl0OPvwQiwFRQMkI8J/6wQaMCeQKFtanDdKO6eIqdS58CJLdx9wRYbVr62BF NjtBdx0CYfSr+S0TBdlNPwSWEtqXRhDEarW5nS0e8Ftq4IgsTMAfyROyibUuQWxiicJS WhSA== 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=ubkzp8oMlVoCN0+6YS6gJRfyqm3niotWvm/jH5v0C/U=; b=UehuCv6UbcIVR4Khfo0mK3Q79epFbqn+8XZW1+xN31tYuk9dIcvl8XdcHxyjibfqz4 2145SsZ88XktPXyxozhm+RIdwb1u9nCmp4FiNqBYsRTSLqunKX5j0ZPCIWffz+pPA2x9 rvLxkf0hl68VS8ehw5Eq2NTdXmgRr7vi57PKQvYBFmNIIz9mntOT14/eE2Lqf7QVpNUV Z7fEgTAo9yURHGXP/cnAZl4f71DQkaUSlkfl+Z8TNrZYxx3nHT1Kf9/+azBxeIu/3aGs 97L72opE6jCv7UmJ0uY94niFttYpBOmcdH8HkWZm2ZxyLpXsNXNZbxWapDW4yS6Pik0M DWlA== X-Gm-Message-State: AOAM532LAPP5yGsPuOKuXkqkigdg5vnulhy52cUFQ/bL/OsSAW0+TI0e 4eTUZZpRhlbBXHkmUUeimiuCbg== X-Google-Smtp-Source: ABdhPJyA52r8qHxTz8D70XLWQ225ctT6ran2p67gn6SnWXTy3HHDtc85TvQiSwyfsbcpbQRBDeWrdg== X-Received: by 2002:a17:906:5210:: with SMTP id g16mr17587259ejm.116.1623069213383; Mon, 07 Jun 2021 05:33:33 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f18sm6471000ejz.119.2021.06.07.05.33.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 05:33:31 -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 v6 4/6] reset: Add Delta TN48M CPLD reset controller Date: Mon, 7 Jun 2021 14:33:15 +0200 Message-Id: <20210607123317.3242031-4-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607123317.3242031-1-robert.marko@sartura.hr> References: <20210607123317.3242031-1-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..8b58685f4043 --- /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 (C) 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 12:33:16 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 456117 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 C22CBC47095 for ; 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[88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f18sm6471000ejz.119.2021.06.07.05.33.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 05:33:35 -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 v6 5/6] dt-bindings: mfd: Add Delta TN48M CPLD drivers bindings Date: Mon, 7 Jun 2021 14:33:16 +0200 Message-Id: <20210607123317.3242031-5-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607123317.3242031-1-robert.marko@sartura.hr> References: <20210607123317.3242031-1-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 12:33:17 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Robert Marko X-Patchwork-Id: 455512 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=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 049B2C47094 for ; Mon, 7 Jun 2021 12:33:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E08A461208 for ; Mon, 7 Jun 2021 12:33:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230203AbhFGMfp (ORCPT ); Mon, 7 Jun 2021 08:35:45 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:55528 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230478AbhFGMfo (ORCPT ); Mon, 7 Jun 2021 08:35:44 -0400 Received: from mail-ej1-x633.google.com (mail-ej1-x633.google.com [IPv6:2a00:1450:4864:20::633]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 83B9BC0617A8 for ; Mon, 7 Jun 2021 05:33:38 -0700 (PDT) Received: by mail-ej1-x633.google.com with SMTP id c10so26331756eja.11 for ; Mon, 07 Jun 2021 05:33:38 -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=2o3lod6/tQHJli1HMNUrlxY009C4XIUm342TOsfm420=; b=LRXwdOLxb4x7g7xhsp9PBEKGxP4DmnE5Qj0csPwhaXSmxv4oBBVzcPcnS8wT3iGaEO reBH6BO45k7qMLKWgzs/pLiCcDgdH2W2LZB0IG+ELCry1k0wy+vAjTn8fTg4uCP+mNy3 ywSRgxhypVz0oPAgeX26xLw2pV88b4AvuDhFGeR1t/BVnKoXOuis8k6jB15BVpkNuTss KXZrhePsdfvI3i8eVbW08KumrrUiWHePNNTk2ct3uulB1QRtee8ttvNjE+DLYVUWEsS9 Kku6lMCSXSTlt+L142TDnSU7uNkgPKvZmB3gbD+DzyW4Ovt7F+Q46jSIcDzIZV78rycn JSLQ== 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=dDz8afnlgJLqu5pANo0nS9LvfVRUzkEwEyCjifo9/TL0hd/bAJvc7qOdshbveYCntQ bnHNG6D3D6gnstM9XKfnDgo39ubeaU57FLx67vgxxW30NOV8Tw195FCAzegCFgouB7bC zpOfMYQS5kHAIgiKPtzJlngQ/K0NkBlXcFB8ecgxAC5FsdWyjsYjPSaCkKOJhHH/VAje rW9qtmro6kJdO5UZmSAr4RVa1OtZxlQ8XpjpK8t3ou5W9TDJP81URtAw0914kcXC3y52 7sgirAT152ev1I12lvJeo7y0+o7A3XHXfrs1N+epK6hU3RNXIABu9+s+8oZ7XXON3gx1 Y43g== X-Gm-Message-State: AOAM530z29gWlOxAtvrq//x1P9I/1F8miv0nTpfOniKT2zx5dmjVmTfD ZmvaH79wXAXJGITrZBrTrU0ajw== X-Google-Smtp-Source: ABdhPJz/Hr+gO9MAPM9PRNPEay7RzqTJpJntQ+xo57MOxVAOjknOseGXUJ6OHBDpV3H6B+Sllz8ylg== X-Received: by 2002:a17:907:770a:: with SMTP id kw10mr17723655ejc.213.1623069217160; Mon, 07 Jun 2021 05:33:37 -0700 (PDT) Received: from localhost.localdomain (dh207-96-76.xnet.hr. [88.207.96.76]) by smtp.googlemail.com with ESMTPSA id f18sm6471000ejz.119.2021.06.07.05.33.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 07 Jun 2021 05:33:36 -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 v6 6/6] MAINTAINERS: Add Delta Networks TN48M CPLD drivers Date: Mon, 7 Jun 2021 14:33:17 +0200 Message-Id: <20210607123317.3242031-6-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210607123317.3242031-1-robert.marko@sartura.hr> References: <20210607123317.3242031-1-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