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=-3.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, USER_AGENT_GIT autolearn=no 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 136A9C2BA19 for ; Mon, 13 Apr 2020 06:13:48 +0000 (UTC) Received: from vger.kernel.org (unknown [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD75D20731 for ; Mon, 13 Apr 2020 06:13:47 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="L5wLPNWC" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org CD75D20731 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=gmail.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726833AbgDMGNq (ORCPT ); Mon, 13 Apr 2020 02:13:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.18]:48212 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726138AbgDMGNq (ORCPT ); Mon, 13 Apr 2020 02:13:46 -0400 Received: from mail-pf1-x443.google.com (mail-pf1-x443.google.com [IPv6:2607:f8b0:4864:20::443]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B3EEC0A3BE0 for ; Sun, 12 Apr 2020 23:13:46 -0700 (PDT) Received: by mail-pf1-x443.google.com with SMTP id a13so4101077pfa.2 for ; Sun, 12 Apr 2020 23:13:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=/Ax8MGILFoIMpiKsL4JnhfuslvJSyn3opwBMU4G5wbk=; b=L5wLPNWClPnYoOmshy+R2trcjZHukYTbcfkSVkOujKaOkD23x/WWQiolmc3ceXISD+ 8bqShMOrFviTlsNeHEuuBEWhe8hq9If9ncnP2ZMZhiwCaegA5u2+WWQGy318y+s05xxE UmCsJdhuBEr0g3a8xrcPddZI0S2ltIvFgQO38smZ5/A2U26scqNqgy4bB/OU/44AsWc3 jslNGwH0dzo0jdt/XrB955CgLoFhvAREL3on3Zc+ZqGWPuNylSQEw5KECARcntswz/4V sgyBuGEahw6B0IE/LdEqs0c+wTBpI43xt78bPwmwUTbA1R9RsSu4ok7AKfkPo4zEwTE6 rfGQ== 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; bh=/Ax8MGILFoIMpiKsL4JnhfuslvJSyn3opwBMU4G5wbk=; b=fKS93ZgmgHhtybDAzyIQAR7qbxzHVxYGZvPTiFzkhuWT71wlCpweQmZZz4MI6HFNnW 47fHqYP2M5KxVOOGSzflFFQx/YlEzGn6jHY/MZW49HjbKhiV/UXisRfg2VYya+AUAEtM hETzV748Yd2wR1GuPlVX9eWKvGsfIR5FA8BcWXbWz+7ZHd8aacq6jm2zg77YAI4D/65s upnstwVvvltAiHQOL4pHJT6BDUZcjSRyq7nJBkoPy4p6DRQU5ZNbgScz6VgAsbgzIufl KbV6UAggOthqUyL+vn1gnq0SGQOoX1u0eLtoAecFdlmXpeWov/lbX1Pb8+LM+PvorQ7g 3vyw== X-Gm-Message-State: AGi0PubX3B+vAzTQ0ISF+HYB4MjqJmwJ9OlaMEde6o6P9rtpR4NzG54N YuuFCvI7Y37SMei3psAzKc4= X-Google-Smtp-Source: APiQypLIX0VOcM8zYOYY1f0OHeC3Cz7Bhsg3ctX/J1lsZzK5pZamuHU6c1F0RFpU9lOXg97c+D84Sw== X-Received: by 2002:a63:a70b:: with SMTP id d11mr15873792pgf.358.1586758425688; Sun, 12 Apr 2020 23:13:45 -0700 (PDT) Received: from localhost.localdomain ([45.135.186.19]) by smtp.gmail.com with ESMTPSA id w5sm7712645pfw.154.2020.04.12.23.13.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 12 Apr 2020 23:13:44 -0700 (PDT) From: Baolin Wang To: lee.jones@linaro.org, arnd@arndb.de, broonie@kernel.org Cc: baolin.wang7@gmail.com, orsonzhai@gmail.com, zhang.lyra@gmail.com, linux-kernel@vger.kernel.org Subject: [RFC PATCH v2 0/3] Add new reg_update_bits() support Date: Mon, 13 Apr 2020 14:13:18 +0800 Message-Id: X-Mailer: git-send-email 2.17.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The Spreadtrum platform uses a special set/clear method to update registers' bits, thus this patch set registers a physical regmap bus into syscon core to support this feature instead of using the MMIO bus, which is not a physical regmap bus. Any comments are welcome. Thanks. Changes from RFC v1: - Add new helper to registers a physical regmap bus instead of using the MMIO bus. Baolin Wang (3): mfd: syscon: Support physical regmap bus regmap: Add bus reg_update_bits() support soc: sprd: Add Spreadtrum special bits updating support drivers/base/regmap/regmap.c | 1 + drivers/mfd/syscon.c | 16 ++++++- drivers/soc/Kconfig | 1 + drivers/soc/Makefile | 1 + drivers/soc/sprd/Kconfig | 16 +++++++ drivers/soc/sprd/Makefile | 2 + drivers/soc/sprd/sprd_syscon.c | 76 ++++++++++++++++++++++++++++++++++ include/linux/mfd/syscon.h | 7 ++++ 8 files changed, 118 insertions(+), 2 deletions(-) create mode 100644 drivers/soc/sprd/Kconfig create mode 100644 drivers/soc/sprd/Makefile create mode 100644 drivers/soc/sprd/sprd_syscon.c -- 2.17.1