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=-14.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH, MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,USER_AGENT_SANE_1 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 B3BCBC4338F for ; Sat, 7 Aug 2021 00:33:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 828C7611C3 for ; Sat, 7 Aug 2021 00:33:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229603AbhHGAdo (ORCPT ); Fri, 6 Aug 2021 20:33:44 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:52478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229379AbhHGAdn (ORCPT ); Fri, 6 Aug 2021 20:33:43 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5BCB2C0613CF for ; Fri, 6 Aug 2021 17:33:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=Content-Transfer-Encoding:Content-Type: In-Reply-To:MIME-Version:Date:Message-ID:From:References:Cc:To:Subject:Sender :Reply-To:Content-ID:Content-Description; bh=yLhQiIvD0VEAyQB7v7VIYIuOHBnEVwVlvpAvQNp7Vyw=; b=mN98SCznL7vpnvaHiFEoMjn02a VFNp/gG96A+NMebJYIrKRYFAGq2si8tlS8dehPclOeb4wuxdIfLP2UAkzydbGKemQKMPBN56mUJZP WZKEygBWU89Kfx0fsCG0AVnH3BN5ne+l2c0jAM08CSSWW2nG3eS/AOt2BdvCfXWvFmIe3ooahMV/m nslqB99oWxxA5c3pALvdXdcwRzHW3QOQ1pa/PzTp26NhjHoQ1lqwKiDgFy4o6Pkpk/OeBmc5WHZ2t li559l/0b0S3m9w4lQ04BoGEWnk7+I/xBBJN+cxLAjPF1QMRMJt7g3zFdUJYJtOBz+pFtjtz2tsqC KDJ++MsA==; Received: from [2601:1c0:6280:3f0::aa0b] by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1mCAGp-008jex-V3; Sat, 07 Aug 2021 00:33:03 +0000 Subject: Re: [RFC PATCH 1/3] drivers/mfd: rpisense: Raspberry Pi senseHAT core driver To: Joel Savitz , linux-kernel@vger.kernel.org Cc: Lee Jones , Stefan Wahren , Nicolas Saenz Julienne , linux-rpi-kernel@lists.infradead.org, fedora-rpi@googlegroups.com, Charles Mirabile , Mwesigwa Guma References: <20210807002722.2634585-1-jsavitz@redhat.com> <20210807002722.2634585-2-jsavitz@redhat.com> From: Randy Dunlap Message-ID: <96e6b090-dd2b-ebd1-5f62-3cee9a676bb4@infradead.org> Date: Fri, 6 Aug 2021 17:32:54 -0700 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.12.0 MIME-Version: 1.0 In-Reply-To: <20210807002722.2634585-2-jsavitz@redhat.com> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 8/6/21 5:27 PM, Joel Savitz wrote: > diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig > index 6a3fd2d75f96..614de080dee6 100644 > --- a/drivers/mfd/Kconfig > +++ b/drivers/mfd/Kconfig > @@ -11,6 +11,16 @@ config MFD_CORE > select IRQ_DOMAIN > default n > > +config MFD_RPISENSE > + tristate "Raspberry Pi Sense HAT driver" > + depends on I2C && GPIOLIB > + select MFD_CORE > + help > + This is the driver for the Raspberry Pi Sense HAT. This provides > + the necessary functions to communicate with the hardware as well > + as a joystick and display interface. Linux communicates with the > + hardwire using the GPIO pins via the I2C protocol. hardware What is HAT, please? -- ~Randy