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=-16.1 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 5A391C43461 for ; Wed, 16 Sep 2020 21:03:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0D73520770 for ; Wed, 16 Sep 2020 21:03:48 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1600290229; bh=9/3xQE9XDGj7YkJAU5HdxUntYpYMMj1jZxmlMukmcQE=; h=From:To:Cc:Subject:Date:List-ID:From; b=uo+VovkoAgjBCnpUq7EqKuF3Aa8PCymzJsxnWofL8hhboS2gPMDNJCu/tyftdePNX FtVEadlFZA66tlFfXmzLwl+bNc1AZ6Wrs0MMMen2EGlHGGdjGi2mpBMdSnCt8muvtR 7dsMFzWNGLXk11IF1GybTStC1X5YZlBbHOVGL0Hw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726575AbgIPVDp (ORCPT ); Wed, 16 Sep 2020 17:03:45 -0400 Received: from mail-lf1-f66.google.com ([209.85.167.66]:41959 "EHLO mail-lf1-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726400AbgIPQPC (ORCPT ); Wed, 16 Sep 2020 12:15:02 -0400 Received: by mail-lf1-f66.google.com with SMTP id y17so7600740lfa.8 for ; Wed, 16 Sep 2020 09:14:57 -0700 (PDT) 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=GumrrFh8EgmUaaZHS6T2Ir2CSMD9+1qAkrgVmKMRPXc=; b=kAqLWBuHynqAllTxsipbVNMhvD1Nvt8pNXCbvD/mGIMwcRBDxqmxMelQtgDwePxbKh Jj+77eiVI/onwiNjR6uiFwp2wccIis9Qrzj51sGrD4rtKZvIZf3QOdoPvhMHHnm8qTOz P18jRAbMOt2mtQKNN3TcFwQL2l40nW14B3LHkqzgOJFcnlauV7kvxRRF4xU7p5htatlp F75VYQ1qnCUATUYuEUizEJm/o1Nu0fHz1D7WcEweZgzuuimsyN6CD8kHkVxdE2sVq2+u rnltXPH16ANx2ZWZkPMfEU7WPE5EIscfJxQL/Yp0vMldkphVxmIWYMLq0RwhzOSppH1z fIDA== X-Gm-Message-State: AOAM532283+SjzJCYapwa9r6EUjHUduOTL2bgVIRIrp8DexcP8W36Tfo 7F0U9cPpFKp5OmKJ33DI8qxuFdaiYw0= X-Google-Smtp-Source: ABdhPJytHgZX0UdcccRAZJx779vCpzpC0my4+pB0WHqsFUNkxZ9o0grJ5MlzYv6GhzdjVM0HQ5jJ2g== X-Received: by 2002:a05:6402:12d1:: with SMTP id k17mr27784256edx.323.1600272355542; Wed, 16 Sep 2020 09:05:55 -0700 (PDT) Received: from neopili.qtec.com (cpe.xe-3-0-1-778.vbrnqe10.dk.customer.tdc.net. [80.197.57.18]) by smtp.gmail.com with ESMTPSA id s19sm12931759eja.54.2020.09.16.09.05.54 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 16 Sep 2020 09:05:54 -0700 (PDT) From: Ricardo Ribalda To: Mark Brown , Greg Kroah-Hartman , "Rafael J. Wysocki" , linux-kernel@vger.kernel.org Cc: Ricardo Ribalda Subject: [PATCH] regmap: Add support for 12/20 register formatting Date: Wed, 16 Sep 2020 18:05:52 +0200 Message-Id: <20200916160552.1062243-1-ribalda@kernel.org> X-Mailer: git-send-email 2.28.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Ricardo Ribalda Devices such as the AD5628 require 32 bits of data divided in 12 bits for dummy, command and address, and 20 for data and dummy. Signed-off-by: Ricardo Ribalda --- drivers/base/regmap/regmap.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/base/regmap/regmap.c b/drivers/base/regmap/regmap.c index e93700af7e6e..14cdfee4c6ba 100644 --- a/drivers/base/regmap/regmap.c +++ b/drivers/base/regmap/regmap.c @@ -209,6 +209,18 @@ static bool regmap_volatile_range(struct regmap *map, unsigned int reg, return true; } +static void regmap_format_12_20_write(struct regmap *map, + unsigned int reg, unsigned int val) +{ + u8 *out = map->work_buf; + + out[0] = reg >> 4; + out[1] = (reg << 4) | (val >> 16); + out[2] = val >> 8; + out[3] = val; +} + + static void regmap_format_2_6_write(struct regmap *map, unsigned int reg, unsigned int val) { @@ -867,6 +879,16 @@ struct regmap *__regmap_init(struct device *dev, } break; + case 12: + switch (config->val_bits) { + case 20: + map->format.format_write = regmap_format_12_20_write; + break; + default: + goto err_hwlock; + } + break; + case 8: map->format.format_reg = regmap_format_8; break; -- 2.28.0