From patchwork Mon Sep 14 21:43:31 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Michael Walle X-Patchwork-Id: 254388 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=-12.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, 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 56811C433E2 for ; Mon, 14 Sep 2020 21:44:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 1A72B20E65 for ; Mon, 14 Sep 2020 21:44:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=walle.cc header.i=@walle.cc header.b="AiUKNDFS" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726089AbgINVoG (ORCPT ); Mon, 14 Sep 2020 17:44:06 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:48920 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726057AbgINVoD (ORCPT ); Mon, 14 Sep 2020 17:44:03 -0400 Received: from ssl.serverraum.org (ssl.serverraum.org [IPv6:2a01:4f8:151:8464::1:2]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2A991C06178A; Mon, 14 Sep 2020 14:44:02 -0700 (PDT) Received: from apollo.fritz.box (unknown [IPv6:2a02:810c:c200:2e91:6257:18ff:fec4:ca34]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-384) server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by ssl.serverraum.org (Postfix) with ESMTPSA id D03CA22FEB; Mon, 14 Sep 2020 23:43:59 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=walle.cc; s=mail2016061301; t=1600119840; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=L8dnOCKcMC5RBEFlEjAO7W2mHaJzoAnPqBNK582r9yE=; b=AiUKNDFSL4y/yIUIBSXfNBcql0Ei4PN/d9c4IMh1BRg+D+MJUwaWGBltMOWMwdW4h8jkrf EgsZHIeRQdZpVJhguXSdRYGCoher3sOD/LA7z8ckxp/zJPa1KIune9UM7Tr8pzN47W1s2d qaCawGC5Pb6ZyhZOJwyGe5kk/VgGzaY= From: Michael Walle To: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, linux-pwm@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-arm-kernel@lists.infradead.org Cc: Linus Walleij , Bartosz Golaszewski , Rob Herring , Jean Delvare , Guenter Roeck , Lee Jones , Thierry Reding , =?utf-8?q?Uwe_Kleine-K?= =?utf-8?b?w7ZuaWc=?= , Wim Van Sebroeck , Shawn Guo , Li Yang , Thomas Gleixner , Jason Cooper , Marc Zyngier , Mark Brown , Greg Kroah-Hartman , Andy Shevchenko , Catalin Marinas , Will Deacon , Pavel Machek , Michael Walle Subject: [PATCH v10 03/13] mfd: simple-mfd-i2c: add sl28cpld support Date: Mon, 14 Sep 2020 23:43:31 +0200 Message-Id: <20200914214341.14268-4-michael@walle.cc> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200914214341.14268-1-michael@walle.cc> References: <20200914214341.14268-1-michael@walle.cc> MIME-Version: 1.0 X-Spam: Yes Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Add the core support for the board management controller found on the SMARC-sAL28 board. 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. At the moment, this controller is used on the Kontron SMARC-sAL28 board. Signed-off-by: Michael Walle Acked-for-MFD-by: Lee Jones --- Changes since v9: - none Changes since v8: - none Changes since v7: - added MFD_SL28CPLD virtual Kconfig symbol - Please note, that I intentionally removed the Acked-for-MFD-by because of this change. Changes since v6: - renamed "sl28cpld-r1" to "sl28cpld" Changes since v5: - none Changes since v4: - new patch 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 b66b60eed003..e1d3bf77b245 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -1185,6 +1185,16 @@ config MFD_SIMPLE_MFD_I2C sub-devices represented by child nodes in Device Tree will be subsequently registered. +config MFD_SL28CPLD + tristate "Kontron sl28cpld Board Management Controller" + select MFD_SIMPLE_MFD_I2C + help + Say yes here to enable support for the Kontron sl28cpld board + management controller. + + It can be found on the following boards: + * SMARC-sAL28 + config MFD_SM501 tristate "Silicon Motion SM501" depends on HAS_DMA diff --git a/drivers/mfd/simple-mfd-i2c.c b/drivers/mfd/simple-mfd-i2c.c index 28e96a246be1..87f684cff9a1 100644 --- a/drivers/mfd/simple-mfd-i2c.c +++ b/drivers/mfd/simple-mfd-i2c.c @@ -38,6 +38,7 @@ static int simple_mfd_i2c_probe(struct i2c_client *i2c) } static const struct of_device_id simple_mfd_i2c_of_match[] = { + { .compatible = "kontron,sl28cpld" }, {} }; MODULE_DEVICE_TABLE(of, simple_mfd_i2c_of_match);