From patchwork Wed Aug 16 01:56:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: chenjh chenjh X-Patchwork-Id: 9902719 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 406D06088A for ; Wed, 16 Aug 2017 01:59:55 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 3079528967 for ; Wed, 16 Aug 2017 01:59:55 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 2207828978; Wed, 16 Aug 2017 01:59:55 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2DEF52896E for ; Wed, 16 Aug 2017 01:59:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752903AbdHPB6r (ORCPT ); Tue, 15 Aug 2017 21:58:47 -0400 Received: from regular1.263xmail.com ([211.150.99.133]:39956 "EHLO regular1.263xmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752174AbdHPB6p (ORCPT ); Tue, 15 Aug 2017 21:58:45 -0400 Received: from chenjh?rock-chips.com (unknown [192.168.167.139]) by regular1.263xmail.com (Postfix) with ESMTP id 0B3FC8E44; Wed, 16 Aug 2017 09:58:42 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 Received: from localhost.localdomain (localhost [127.0.0.1]) by smtp.263.net (Postfix) with ESMTPA id A523047E; Wed, 16 Aug 2017 09:58:32 +0800 (CST) X-RL-SENDER: chenjh@rock-chips.com X-FST-TO: gnurou@gmail.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: chenjh@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: chenjh@rock-chips.com X-DNS-TYPE: 0 Received: from unknown (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith SMTP id 23009143ZKN; Wed, 16 Aug 2017 09:58:38 +0800 (CST) From: Joseph Chen To: gnurou@gmail.com, linus.walleij@linaro.org, dmitry.torokhov@gmail.com, lee.jones@linaro.org Cc: linux-kernel@vger.kernel.org, huangtao@rock-chips.com, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, broonie@kernel.org, zhangqing@rock-chips.com, robh+dt@kernel.org, lgirdwood@gmail.com, linux-rockchip@lists.infradead.org, wdc@rock-chips.com, tony.xie@rock-chips.com, linux-input@vger.kernel.org, mark.rutland@arm.com, w.egorov@phytec.de, linux-clk@vger.kernel.org, a.zummo@towertech.it, alexandre.belloni@free-electrons.com, rtc-linux@googlegroups.com, Joseph Chen Subject: [RESEND v9 03/12] regulator: rk808: Add regulator driver for RK805 Date: Wed, 16 Aug 2017 09:56:59 +0800 Message-Id: <1502848628-27757-4-git-send-email-chenjh@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1502848628-27757-1-git-send-email-chenjh@rock-chips.com> References: <1502848628-27757-1-git-send-email-chenjh@rock-chips.com> Sender: linux-clk-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-clk@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Elaine Zhang Add support for the rk805 regulator. The regulator module consists of 4 DCDCs, 3 LDOs. The output voltages are configurable and are meant to supply power to the main processor and other components. Signed-off-by: Elaine Zhang Signed-off-by: Joseph Chen Acked-by: Mark Brown --- drivers/regulator/Kconfig | 4 +- drivers/regulator/rk808-regulator.c | 130 ++++++++++++++++++++++++++++++++++++ 2 files changed, 132 insertions(+), 2 deletions(-) diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index be06eb2..285e280 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -650,11 +650,11 @@ config REGULATOR_RC5T583 outputs which can be controlled by i2c communication. config REGULATOR_RK808 - tristate "Rockchip RK808/RK818 Power regulators" + tristate "Rockchip RK805/RK808/RK818 Power regulators" depends on MFD_RK808 help Select this option to enable the power regulator of ROCKCHIP - PMIC RK808 and RK818. + PMIC RK805,RK808 and RK818. This driver supports the control of different power rails of device through regulator interface. The device supports multiple DCDC/LDO outputs which can be controlled by i2c communication. diff --git a/drivers/regulator/rk808-regulator.c b/drivers/regulator/rk808-regulator.c index fb44d52..128c81e 100644 --- a/drivers/regulator/rk808-regulator.c +++ b/drivers/regulator/rk808-regulator.c @@ -65,6 +65,27 @@ /* max steps for increase voltage of Buck1/2, equal 100mv*/ #define MAX_STEPS_ONE_TIME 8 +#define RK805_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \ + _vmask, _ereg, _emask, _etime) \ + [_id] = { \ + .name = (_match), \ + .supply_name = (_supply), \ + .of_match = of_match_ptr(_match), \ + .regulators_node = of_match_ptr("regulators"), \ + .type = REGULATOR_VOLTAGE, \ + .id = (_id), \ + .n_voltages = (((_max) - (_min)) / (_step) + 1), \ + .owner = THIS_MODULE, \ + .min_uV = (_min) * 1000, \ + .uV_step = (_step) * 1000, \ + .vsel_reg = (_vreg), \ + .vsel_mask = (_vmask), \ + .enable_reg = (_ereg), \ + .enable_mask = (_emask), \ + .enable_time = (_etime), \ + .ops = &rk805_reg_ops, \ + } + #define RK8XX_DESC(_id, _match, _supply, _min, _max, _step, _vreg, \ _vmask, _ereg, _emask, _etime) \ [_id] = { \ @@ -298,6 +319,28 @@ static int rk808_set_suspend_voltage_range(struct regulator_dev *rdev, int uv) sel); } +static int rk805_set_suspend_enable(struct regulator_dev *rdev) +{ + unsigned int reg; + + reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET; + + return regmap_update_bits(rdev->regmap, reg, + rdev->desc->enable_mask, + rdev->desc->enable_mask); +} + +static int rk805_set_suspend_disable(struct regulator_dev *rdev) +{ + unsigned int reg; + + reg = rdev->desc->enable_reg + RK808_SLP_SET_OFF_REG_OFFSET; + + return regmap_update_bits(rdev->regmap, reg, + rdev->desc->enable_mask, + 0); +} + static int rk808_set_suspend_enable(struct regulator_dev *rdev) { unsigned int reg; @@ -320,6 +363,27 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev) rdev->desc->enable_mask); } +static struct regulator_ops rk805_reg_ops = { + .list_voltage = regulator_list_voltage_linear, + .map_voltage = regulator_map_voltage_linear, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_suspend_voltage = rk808_set_suspend_voltage, + .set_suspend_enable = rk805_set_suspend_enable, + .set_suspend_disable = rk805_set_suspend_disable, +}; + +static struct regulator_ops rk805_switch_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .set_suspend_enable = rk805_set_suspend_enable, + .set_suspend_disable = rk805_set_suspend_disable, +}; + static struct regulator_ops rk808_buck1_2_ops = { .list_voltage = regulator_list_voltage_linear, .map_voltage = regulator_map_voltage_linear, @@ -369,6 +433,68 @@ static int rk808_set_suspend_disable(struct regulator_dev *rdev) .set_suspend_disable = rk808_set_suspend_disable, }; +static const struct regulator_desc rk805_reg[] = { + { + .name = "DCDC_REG1", + .supply_name = "vcc1", + .of_match = of_match_ptr("DCDC_REG1"), + .regulators_node = of_match_ptr("regulators"), + .id = RK805_ID_DCDC1, + .ops = &rk805_reg_ops, + .type = REGULATOR_VOLTAGE, + .min_uV = 712500, + .uV_step = 12500, + .n_voltages = 64, + .vsel_reg = RK805_BUCK1_ON_VSEL_REG, + .vsel_mask = RK818_BUCK_VSEL_MASK, + .enable_reg = RK805_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 = RK805_ID_DCDC2, + .ops = &rk805_reg_ops, + .type = REGULATOR_VOLTAGE, + .min_uV = 712500, + .uV_step = 12500, + .n_voltages = 64, + .vsel_reg = RK805_BUCK2_ON_VSEL_REG, + .vsel_mask = RK818_BUCK_VSEL_MASK, + .enable_reg = RK805_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 = RK805_ID_DCDC3, + .ops = &rk805_switch_ops, + .type = REGULATOR_VOLTAGE, + .n_voltages = 1, + .enable_reg = RK805_DCDC_EN_REG, + .enable_mask = BIT(2), + .owner = THIS_MODULE, + }, + + RK805_DESC(RK805_ID_DCDC4, "DCDC_REG4", "vcc4", 800, 3400, 100, + RK805_BUCK4_ON_VSEL_REG, RK818_BUCK4_VSEL_MASK, + RK805_DCDC_EN_REG, BIT(3), 0), + + RK805_DESC(RK805_ID_LDO1, "LDO_REG1", "vcc5", 800, 3400, 100, + RK805_LDO1_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG, + BIT(0), 400), + RK805_DESC(RK805_ID_LDO2, "LDO_REG2", "vcc5", 800, 3400, 100, + RK805_LDO2_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG, + BIT(1), 400), + RK805_DESC(RK805_ID_LDO3, "LDO_REG3", "vcc6", 800, 3400, 100, + RK805_LDO3_ON_VSEL_REG, RK818_LDO_VSEL_MASK, RK805_LDO_EN_REG, + BIT(2), 400), +}; + static const struct regulator_desc rk808_reg[] = { { .name = "DCDC_REG1", @@ -625,6 +751,10 @@ static int rk808_regulator_probe(struct platform_device *pdev) platform_set_drvdata(pdev, pdata); switch (rk808->variant) { + case RK805_ID: + regulators = rk805_reg; + nregulators = RK805_NUM_REGULATORS; + break; case RK808_ID: regulators = rk808_reg; nregulators = RK808_NUM_REGULATORS;