From patchwork Fri Apr 15 09:16:29 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wadim Egorov X-Patchwork-Id: 8846771 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 6EE6D9F54F for ; Fri, 15 Apr 2016 09:24:03 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 3A3B320166 for ; Fri, 15 Apr 2016 09:24:02 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 1D8D4202E9 for ; Fri, 15 Apr 2016 09:24:01 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aqzxP-00014f-SG; Fri, 15 Apr 2016 09:22:31 +0000 Received: from mail.phytec.eu ([217.6.246.34] helo=root.phytec.de) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1aqzwO-0000Kt-Hj; Fri, 15 Apr 2016 09:21:32 +0000 Received: from idefix.phytec.de (idefix.phytec.de [172.16.0.10]) by root.phytec.de (Postfix) with ESMTP id 1107EA003EE; Fri, 15 Apr 2016 11:21:23 +0200 (CEST) Received: from augenblix.phytec.de ([172.16.0.56]) by idefix.phytec.de (IBM Domino Release 9.0.1FP5 HF413) with ESMTP id 2016041511204096-57118 ; Fri, 15 Apr 2016 11:20:40 +0200 From: Wadim Egorov To: linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-clk@vger.kernel.org, rtc-linux@googlegroups.com, linux-rockchip@lists.infradead.org Subject: [PATCH 5/6] regulator: rk8xx: Add regulator driver for RK818 Date: Fri, 15 Apr 2016 11:16:29 +0200 Message-Id: <1460711790-22646-6-git-send-email-w.egorov@phytec.de> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1460711790-22646-1-git-send-email-w.egorov@phytec.de> References: <1460711790-22646-1-git-send-email-w.egorov@phytec.de> X-MIMETrack: Itemize by SMTP Server on Idefix/Phytec(Release 9.0.1FP5 HF413|March 21, 2016) at 15.04.2016 11:20:40, Serialize by Router on Idefix/Phytec(Release 9.0.1FP5 HF413|March 21, 2016) at 15.04.2016 11:20:41, Serialize complete at 15.04.2016 11:20:41 X-TNEFEvaluated: 1 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160415_022129_227461_5FBEDB6E X-CRM114-Status: GOOD ( 16.44 ) X-Spam-Score: -1.9 (-) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: mark.rutland@arm.com, k.kozlowski@samsung.com, geert+renesas@glider.be, mturquette@baylibre.com, dianders@chromium.org, sjoerd.simons@collabora.co.uk, alexandre.belloni@free-electrons.com, zyw@rock-chips.com, public_timo.s@silentcreek.de, lee.jones@linaro.org, linux@arm.linux.org.uk, pawel.moll@arm.com, javier@osg.samsung.com, kgene@kernel.org, treding@nvidia.com, arnd@arndb.de, ijc+devicetree@hellion.org.uk, robh+dt@kernel.org, a.zummo@towertech.it, sboyd@codeaurora.org, lgirdwood@gmail.com, broonie@kernel.org, galak@codeaurora.org, olof@lixom.net MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-5.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Add support for the rk818 regulator. The regulator module consists of 4 DCDCs, 9 LDOs, 1 switch and 1 BOOST converter which is used to power OTG and HDMI5V. The output voltages are configurable and are meant to supply power to the main processor and other components. Signed-off-by: Wadim Egorov --- drivers/regulator/rk8xx-regulator.c | 139 ++++++++++++++++++++++++++++++++++-- 1 file changed, 134 insertions(+), 5 deletions(-) diff --git a/drivers/regulator/rk8xx-regulator.c b/drivers/regulator/rk8xx-regulator.c index 4a29726..57f2c72 100644 --- a/drivers/regulator/rk8xx-regulator.c +++ b/drivers/regulator/rk8xx-regulator.c @@ -6,6 +6,10 @@ * Author: Chris Zhong * Author: Zhang Qing * + * Copyright (C) 2016 PHYTEC Messtechnik GmbH + * + * Author: Wadim Egorov + * * This program is free software; you can redistribute it and/or modify it * under the terms and conditions of the GNU General Public License, * version 2, as published by the Free Software Foundation. @@ -32,6 +36,12 @@ #define RK808_BUCK4_VSEL_MASK 0xf #define RK808_LDO_VSEL_MASK 0x1f +#define RK818_BUCK_VSEL_MASK 0x3f +#define RK818_BUCK4_VSEL_MASK 0x1f +#define RK818_LDO_VSEL_MASK 0x1f +#define RK818_LDO3_ON_VSEL_MASK 0xf +#define RK818_BOOST_ON_VSEL_MASK 0xe0 + /* Ramp rate definitions for buck1 / buck2 only */ #define RK808_RAMP_RATE_OFFSET 3 #define RK808_RAMP_RATE_MASK (3 << RK808_RAMP_RATE_OFFSET) @@ -454,6 +464,108 @@ static const struct regulator_desc rk808_reg[] = { RK808_DCDC_EN_REG, BIT(6)), }; +static const struct regulator_desc rk818_reg[] = { + { + .name = "DCDC_REG1", + .supply_name = "vcc1", + .of_match = of_match_ptr("DCDC_REG1"), + .regulators_node = of_match_ptr("regulators"), + .id = RK818_ID_DCDC1, + .ops = &rk808_reg_ops, + .type = REGULATOR_VOLTAGE, + .min_uV = 712500, + .uV_step = 12500, + .n_voltages = 64, + .vsel_reg = RK818_BUCK1_ON_VSEL_REG, + .vsel_mask = RK818_BUCK_VSEL_MASK, + .enable_reg = RK818_DCDC_EN_REG, + .enable_mask = BIT(0), + .owner = THIS_MODULE, + }, { + .name = "DCDC_REG2", + .supply_name = "vcc2", + .of_match = of_match_ptr("DCDC_REG2"), + .regulators_node = of_match_ptr("regulators"), + .id = RK818_ID_DCDC2, + .ops = &rk808_reg_ops, + .type = REGULATOR_VOLTAGE, + .min_uV = 712500, + .uV_step = 12500, + .n_voltages = 64, + .vsel_reg = RK818_BUCK2_ON_VSEL_REG, + .vsel_mask = RK818_BUCK_VSEL_MASK, + .enable_reg = RK818_DCDC_EN_REG, + .enable_mask = BIT(1), + .owner = THIS_MODULE, + }, { + .name = "DCDC_REG3", + .supply_name = "vcc3", + .of_match = of_match_ptr("DCDC_REG3"), + .regulators_node = of_match_ptr("regulators"), + .id = RK818_ID_DCDC3, + .ops = &rk808_switch_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = 1, + .enable_reg = RK818_DCDC_EN_REG, + .enable_mask = BIT(2), + .owner = THIS_MODULE, + }, + RK8XX_DESC(RK818_ID_DCDC4, "DCDC_REG4", "vcc4", 1800, 3600, 100, + RK818_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK, + RK818_DCDC_EN_REG, BIT(3), 0), + RK8XX_DESC(RK818_ID_BOOST, "DCDC_BOOST", "boost", 4700, 5400, 100, + RK818_BOOST_LDO9_ON_VSEL_REG, RK818_BOOST_ON_VSEL_MASK, + RK818_DCDC_EN_REG, BIT(4), 0), + RK8XX_DESC(RK818_ID_LDO1, "LDO_REG1", "vcc6", 1800, 3400, 100, + RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG, + BIT(0), 400), + RK8XX_DESC(RK818_ID_LDO2, "LDO_REG2", "vcc6", 1800, 3400, 100, + RK818_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG, + BIT(1), 400), + { + .name = "LDO_REG3", + .supply_name = "vcc7", + .of_match = of_match_ptr("LDO_REG3"), + .regulators_node = of_match_ptr("regulators"), + .id = RK818_ID_LDO3, + .ops = &rk808_reg_ops_ranges, + .type = REGULATOR_VOLTAGE, + .n_voltages = 16, + .linear_ranges = rk808_ldo3_voltage_ranges, + .n_linear_ranges = ARRAY_SIZE(rk808_ldo3_voltage_ranges), + .vsel_reg = RK818_LDO3_ON_VSEL_REG, + .vsel_mask = RK818_LDO3_ON_VSEL_MASK, + .enable_reg = RK818_LDO_EN_REG, + .enable_mask = BIT(2), + .enable_time = 400, + .owner = THIS_MODULE, + }, + RK8XX_DESC(RK818_ID_LDO4, "LDO_REG4", "vcc8", 1800, 3400, 100, + RK818_LDO4_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG, + BIT(3), 400), + RK8XX_DESC(RK818_ID_LDO5, "LDO_REG5", "vcc7", 1800, 3400, 100, + RK818_LDO5_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG, + BIT(4), 400), + RK8XX_DESC(RK818_ID_LDO6, "LDO_REG6", "vcc8", 800, 2500, 100, + RK818_LDO6_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG, + BIT(5), 400), + RK8XX_DESC(RK818_ID_LDO7, "LDO_REG7", "vcc7", 800, 2500, 100, + RK818_LDO7_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG, + BIT(6), 400), + RK8XX_DESC(RK818_ID_LDO8, "LDO_REG8", "vcc8", 1800, 3400, 100, + RK818_LDO8_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK818_LDO_EN_REG, + BIT(7), 400), + RK8XX_DESC(RK818_ID_LDO9, "LDO_REG9", "vcc9", 1800, 3400, 100, + RK818_BOOST_LDO9_ON_VSEL_REG, RK818_LDO_VSEL_MASK, + RK818_DCDC_EN_REG, BIT(5), 400), + RK8XX_DESC_SWITCH(RK818_ID_SWITCH, "SWITCH_REG", "vcc9", + RK818_DCDC_EN_REG, BIT(6)), + RK8XX_DESC_SWITCH(RK818_ID_HDMI_SWITCH, "HDMI_SWITCH", "h_5v", + RK818_H5V_EN_REG, BIT(0)), + RK8XX_DESC_SWITCH(RK818_ID_OTG_SWITCH, "OTG_SWITCH", "usb", + RK818_DCDC_EN_REG, BIT(7)), +}; + static int rk8xx_regulator_dt_parse_pdata(struct device *dev, struct device *client_dev, struct regmap *map, @@ -499,7 +611,8 @@ static int rk8xx_regulator_probe(struct platform_device *pdev) struct regulator_config config = {}; struct regulator_dev *rk8xx_rdev; struct rk808_regulator_data *pdata; - int ret, i; + const struct regulator_desc *regulators; + int ret, i, nregulators; pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); if (!pdata) @@ -512,14 +625,29 @@ static int rk8xx_regulator_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pdata); + switch (rk8xx->variant) { + case RK808_ID: + regulators = rk808_reg; + nregulators = RK808_NUM_REGULATORS; + break; + case RK818_ID: + regulators = rk818_reg; + nregulators = RK818_NUM_REGULATORS; + break; + default: + dev_err(&client->dev, "unsupported RK8XX ID %lu\n", + rk8xx->variant); + return -EINVAL; + } + config.dev = &client->dev; config.driver_data = pdata; config.regmap = rk8xx->regmap; /* Instantiate the regulators */ - for (i = 0; i < RK808_NUM_REGULATORS; i++) { + for (i = 0; i < nregulators; i++) { rk8xx_rdev = devm_regulator_register(&pdev->dev, - &rk808_reg[i], &config); + ®ulators[i], &config); if (IS_ERR(rk8xx_rdev)) { dev_err(&client->dev, "failed to register %d regulator\n", i); @@ -541,7 +669,8 @@ static struct platform_driver rk8xx_regulator_driver = { module_platform_driver(rk8xx_regulator_driver); MODULE_DESCRIPTION("regulator driver for the rk8xx series PMICs"); -MODULE_AUTHOR("Chris Zhong"); -MODULE_AUTHOR("Zhang Qing"); +MODULE_AUTHOR("Chris Zhong "); +MODULE_AUTHOR("Zhang Qing "); +MODULE_AUTHOR("Wadim Egorov "); MODULE_LICENSE("GPL"); MODULE_ALIAS("platform:rk8xx-regulator");