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[209.132.180.67]) by mx.google.com with ESMTP id w90si31562355pfj.142.2017.05.25.23.36.10; Thu, 25 May 2017 23:36:10 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; dkim=pass header.i=@linaro.org; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1946957AbdEZGgH (ORCPT + 25 others); Fri, 26 May 2017 02:36:07 -0400 Received: from mail-pf0-f176.google.com ([209.85.192.176]:36252 "EHLO mail-pf0-f176.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1163654AbdEZGgB (ORCPT ); Fri, 26 May 2017 02:36:01 -0400 Received: by mail-pf0-f176.google.com with SMTP id m17so2579602pfg.3 for ; Thu, 25 May 2017 23:36:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=+3HQbhw8C8hS/qVfO28FlT0RDc1VqoUEWuqAtucyWcc=; b=iMYyKCLPdHfLrmByuSJUaEt3m5p9jDjGfP9/WPHWMyPdfQF6SZh2hihH0IoHeHDrRX fUqQ2UlvOx6ZnzZ4oPcmMRVKKyaGyTgtMPmyK2HT5tneu+rQizZPlWXpYu9UL+q1C9z2 e5INwuXcHDL0KY9H1InraMLOuAvtRF6J9Hxvg= 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:in-reply-to :references; bh=+3HQbhw8C8hS/qVfO28FlT0RDc1VqoUEWuqAtucyWcc=; b=CtyZjYp4BxsBF3eldM91PHf6SQeBORq2gEPDBdWrsF38yRuDUDwQIR+vXQ48iRwxw1 +P3cM/6uARSDYljg/uOfV9U6mEt6c73MpeOSiFwTwWcErivT/SUNA/K0ybckcFrSQBlS 1Ch7LINGmYqiXFUZlKg7ov05yt8rocBzqZB082y0Tr5LQecn1ynjLSpqzrU50btw+Ncm MjvrSJFT9WtJ+F3wli+ShFdcwu2yf/Ibr4I9YjvncDSraShw25xAJYm6XVMucI35rIe6 dM0j58GY39JXQOX2iRkzv91XIJ91E4J9fiFr4Q22K/z5OxfvVb/qmkJjqZRABayd67eK g7Jg== X-Gm-Message-State: AODbwcB4JM7hBen2dim2/JEjROhd4ZJK0VLcTdVme8UOrvbv+qHAAIHH F3renrkM3ukdUZza X-Received: by 10.99.112.3 with SMTP id l3mr477704pgc.13.1495780555652; Thu, 25 May 2017 23:35:55 -0700 (PDT) Received: from docularxu-ThinkPad-T440p.219.146.1.66 ([45.56.159.222]) by smtp.gmail.com with ESMTPSA id j11sm11420635pgn.38.2017.05.25.23.35.47 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Thu, 25 May 2017 23:35:55 -0700 (PDT) From: Guodong Xu To: lee.jones@linaro.org, robh+dt@kernel.org, mark.rutland@arm.com, xuwei5@hisilicon.com, catalin.marinas@arm.com, will.deacon@arm.com, lgirdwood@gmail.com, broonie@kernel.org, khilman@baylibre.com, arnd@arndb.de, gregory.clement@free-electrons.com, olof@lixom.net, thomas.petazzoni@free-electrons.com, yamada.masahiro@socionext.com, riku.voipio@linaro.org, treding@nvidia.com, krzk@kernel.org, eric@anholt.net, damm+renesas@opensource.se, ard.biesheuvel@linaro.org, linus.walleij@linaro.org, geert+renesas@glider.be Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, hw.wangxiaoyin@hisilicon.com, Guodong Xu Subject: [PATCH 3/6] mfd: hi6421v530: add support for HiSilicon Hi6421v530 Date: Fri, 26 May 2017 14:35:15 +0800 Message-Id: <20170526063518.21246-4-guodong.xu@linaro.org> X-Mailer: git-send-email 2.10.2 In-Reply-To: <20170526063518.21246-1-guodong.xu@linaro.org> References: <20170526063518.21246-1-guodong.xu@linaro.org> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add support for HiSilicon Hi6421v530 PMIC. Hi6421v530 communicates with main SoC via memory-mapped I/O. Hi6421v530 and Hi6421 are PMIC chips from the same vendor, HiSilicon, but at different revisions. They share the same memory-mapped I/O design. They differ in regulator details, eg. LDO voltage points. Signed-off-by: Guodong Xu Signed-off-by: Wang Xiaoyin --- drivers/mfd/Kconfig | 9 +++++ drivers/mfd/Makefile | 1 + drivers/mfd/hi6421v530-pmic.c | 92 +++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 102 insertions(+) create mode 100644 drivers/mfd/hi6421v530-pmic.c -- 2.10.2 diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig index 3eb5c93..bdc8304 100644 --- a/drivers/mfd/Kconfig +++ b/drivers/mfd/Kconfig @@ -388,6 +388,15 @@ config MFD_HI6421_PMIC menus in order to enable them. We communicate with the Hi6421 via memory-mapped I/O. +config MFD_HI6421V530_PMIC + tristate "HiSilicon Hi6421v530 PMU/Codec IC" + depends on OF + select MFD_CORE + select REGMAP_MMIO + help + Add support for HiSilicon Hi6421v530 PMIC. Hi6421v530 communicates + with main SoC via memory-mapped I/O. + config MFD_HI655X_PMIC tristate "HiSilicon Hi655X series PMU/Codec IC" depends on ARCH_HISI || COMPILE_TEST diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile index c16bf1e..cde62fc 100644 --- a/drivers/mfd/Makefile +++ b/drivers/mfd/Makefile @@ -206,6 +206,7 @@ obj-$(CONFIG_MFD_STW481X) += stw481x.o obj-$(CONFIG_MFD_IPAQ_MICRO) += ipaq-micro.o obj-$(CONFIG_MFD_MENF21BMC) += menf21bmc.o obj-$(CONFIG_MFD_HI6421_PMIC) += hi6421-pmic-core.o +obj-$(CONFIG_MFD_HI6421V530_PMIC) += hi6421v530-pmic.o obj-$(CONFIG_MFD_HI655X_PMIC) += hi655x-pmic.o obj-$(CONFIG_MFD_DLN2) += dln2.o obj-$(CONFIG_MFD_RT5033) += rt5033.o diff --git a/drivers/mfd/hi6421v530-pmic.c b/drivers/mfd/hi6421v530-pmic.c new file mode 100644 index 0000000..651659a --- /dev/null +++ b/drivers/mfd/hi6421v530-pmic.c @@ -0,0 +1,92 @@ +/* + * Device driver for Hi6421 IC + * + * Copyright (c) <2017> HiSilicon Technologies Co., Ltd. + * http://www.hisilicon.com + * Copyright (c) <2017> Linaro Ltd. + * http://www.linaro.org + * + * Author: Wang Xiaoyin + * Guodong Xu + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see . + */ + +#include +#include +#include +#include +#include +#include +#include +#include + +static const struct mfd_cell hi6421v530_devs[] = { + { .name = "hi6421v530-regulator", }, +}; + +static int hi6421v530_pmic_probe(struct platform_device *pdev) +{ + struct hi6421_pmic *pmic; + struct resource *res; + void __iomem *base; + int ret; + + pmic = devm_kzalloc(&pdev->dev, sizeof(*pmic), GFP_KERNEL); + if (!pmic) + return -ENOMEM; + + res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + base = devm_ioremap_resource(&pdev->dev, res); + if (IS_ERR(base)) + return PTR_ERR(base); + + pmic->regmap = devm_regmap_init_mmio_clk(&pdev->dev, NULL, base, + &hi6421_regmap_config); + if (IS_ERR(pmic->regmap)) { + dev_err(&pdev->dev, + "regmap init failed: %ld\n", PTR_ERR(pmic->regmap)); + return PTR_ERR(pmic->regmap); + } + + platform_set_drvdata(pdev, pmic); + + ret = devm_mfd_add_devices(&pdev->dev, 0, hi6421v530_devs, + ARRAY_SIZE(hi6421v530_devs), NULL, 0, NULL); + if (ret) { + dev_err(&pdev->dev, "add mfd devices failed: %d\n", ret); + return ret; + } + + return 0; +} + +static const struct of_device_id of_hi6421v530_pmic_match_tbl[] = { + { .compatible = "hisilicon,hi6421v530-pmic", }, + { }, +}; +MODULE_DEVICE_TABLE(of, of_hi6421v530_pmic_match_tbl); + +static struct platform_driver hi6421v530_pmic_driver = { + .driver = { + .name = "hi6421v530_pmic", + .of_match_table = of_hi6421v530_pmic_match_tbl, + }, + .probe = hi6421v530_pmic_probe, +}; +module_platform_driver(hi6421v530_pmic_driver); + +MODULE_AUTHOR("Guodong Xu "); +MODULE_DESCRIPTION("Hi6421v530 PMIC driver"); +MODULE_LICENSE("GPL v2");