From mboxrd@z Thu Jan 1 00:00:00 1970 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,URIBL_BLOCKED,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 3471BC47083 for ; Mon, 31 May 2021 12:51:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0C52361279 for ; Mon, 31 May 2021 12:51:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231370AbhEaMxc (ORCPT ); Mon, 31 May 2021 08:53:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50524 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231367AbhEaMxb (ORCPT ); Mon, 31 May 2021 08:53:31 -0400 Received: from mail-ej1-x62b.google.com (mail-ej1-x62b.google.com [IPv6:2a00:1450:4864:20::62b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4020C061760 for ; Mon, 31 May 2021 05:51:51 -0700 (PDT) Received: by mail-ej1-x62b.google.com with SMTP id g20so1070019ejt.0 for ; Mon, 31 May 2021 05:51:51 -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=5rfovGLCK9Yz+7vSUxaJpHcGW+GXYlgTgZ8LhUcz2d4=; b=Dz9VTHpKFzWdXajE6INSvTCz/7/iwn9Zs8EmpCC7EFf2KW2uQydCVrlwv5tCwlVjVL 6+9Uke1Fwlmkg9emuqcZopw8rg6NNVlfQYpX7McrkNglSSqKeoUyoIWqo9qQ6g7d7eZa GGKIMPOHmTPrq7A8KSAuvt/JvHVbzoxrj4fG6oj6HZHRmEqEWNlkPfRFFj9UszROyu+J I36YPmo29xRx0WWkJFdxSdh6u2Hcrfijl2RBRPZTlZrDpBbJP4+t5bAvZ+o0vYEg3hTk sDN4YRmmpC0mZv+XyVMgjrTIC6h1GvJp7VQCVH+uXUHcdlDKal18ZB9dykqOS8XQ2jbN qNKw== 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=5rfovGLCK9Yz+7vSUxaJpHcGW+GXYlgTgZ8LhUcz2d4=; b=e9UnZFH3Q+c8lUxhg80ifUg/3kbI+cWXwe/lEUOjZOE82sfHLLB7Tj2sRjMSZUgCkz OTFYHBX0cbuiEK16ExXCGL3CR/qj+0jdpGqE5TGGu9s9RzPuVTMjmTJHUfZ4Q2ChjZQh o5RgvfEhj8I20yl91+cUFio3M7Gx+pUZlUuydNyV9CPrlUM3pKl6ZKp9R8uNxJIsLMjV h85v+16lpdATdpNkBeAzA9MlduS1x1RUouq7YdarAt++u7w+LMizA/K6ifTuTgsTE6sZ Aq4kAFE+YgA9bw3ZrwYyR9CJ0kBWxMPKEd4oaKy0bzmLY9WOeY7Tf5ZQ1gGwMeuGftIg 6lJQ== X-Gm-Message-State: AOAM53230uEbnhFNiQUADB547605JckU9070ib5x3sbEAAYJsk7rJoC5 teThEJ4alr+YjOy8J5Mx2XWBxg== X-Google-Smtp-Source: ABdhPJyZdpYKzaSGcb7CRlJKL1SSI6rpuNmcXd9A6yd2ZAHbgVeJMWthsh+jNqDmnelHf5OrI4WyBQ== X-Received: by 2002:a17:907:76b8:: with SMTP id jw24mr22725829ejc.359.1622465510438; Mon, 31 May 2021 05:51:50 -0700 (PDT) Received: from localhost.localdomain ([188.252.220.231]) by smtp.googlemail.com with ESMTPSA id zb2sm5886898ejb.52.2021.05.31.05.51.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 May 2021 05:51:49 -0700 (PDT) From: Robert Marko To: lee.jones@linaro.org, linux-kernel@vger.kernel.org, linus.walleij@linaro.org, bgolaszewski@baylibre.com, linux-gpio@vger.kernel.org, p.zabel@pengutronix.de, robh+dt@kernel.org, devicetree@vger.kernel.org Cc: luka.perkov@sartura.hr, jmp@epiphyte.org, pmenzel@molgen.mpg.de, buczek@molgen.mpg.de, Robert Marko Subject: [PATCH v3 1/6] mfd: simple-mfd-i2c: Add Delta TN48M CPLD support Date: Mon, 31 May 2021 14:51:38 +0200 Message-Id: <20210531125143.257622-1-robert.marko@sartura.hr> X-Mailer: git-send-email 2.31.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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 --- 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..2b5ad314125d 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 MFD 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); -- 2.31.1