From patchwork Thu Sep 19 08:08:07 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhangqing X-Patchwork-Id: 1164419 X-Patchwork-Delegate: philipp.tomsich@theobroma-systems.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=rock-chips.com Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 46Yr782lZrz9sP6 for ; Thu, 19 Sep 2019 18:46:44 +1000 (AEST) Received: by lists.denx.de (Postfix, from userid 105) id C8B46C21C6A; Thu, 19 Sep 2019 08:09:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.6 required=5.0 tests=RCVD_IN_SORBS_WEB autolearn=no autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 9EF7DC21E0D; Thu, 19 Sep 2019 08:08:22 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id C574AC21C50; Thu, 19 Sep 2019 08:08:20 +0000 (UTC) Received: from regular1.263xmail.com (regular1.263xmail.com [211.150.70.203]) by lists.denx.de (Postfix) with ESMTPS id 17EB8C21C50 for ; Thu, 19 Sep 2019 08:08:16 +0000 (UTC) Received: from zhangqing?rock-chips.com (unknown [192.168.167.232]) by regular1.263xmail.com (Postfix) with ESMTP id 528173DC; Thu, 19 Sep 2019 16:08:12 +0800 (CST) X-263anti-spam: KSV:0;BIG:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ADDR-CHECKED4: 1 X-ABS-CHECKED: 1 X-SKE-CHECKED: 1 X-ANTISPAM-LEVEL: 2 Received: from localhost.localdomain (unknown [58.22.7.114]) by smtp.263.net (postfix) whith ESMTP id P8434T140291998734080S1568880487802349_; Thu, 19 Sep 2019 16:08:11 +0800 (CST) X-IP-DOMAINF: 1 X-UNIQUE-TAG: <6ef6821fc61c1aedcdb6cc3648dba827> X-RL-SENDER: zhangqing@rock-chips.com X-SENDER: zhangqing@rock-chips.com X-LOGIN-NAME: zhangqing@rock-chips.com X-FST-TO: yk@rock-chips.com X-SENDER-IP: 58.22.7.114 X-ATTACHMENT-NUM: 0 X-DNS-TYPE: 0 From: Elaine Zhang To: kever.yang@rock-chips.com, chenjh@rock-chips.com Date: Thu, 19 Sep 2019 16:08:07 +0800 Message-Id: <1568880493-22962-3-git-send-email-zhangqing@rock-chips.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1568880493-22962-1-git-send-email-zhangqing@rock-chips.com> References: <1568880493-22962-1-git-send-email-zhangqing@rock-chips.com> Cc: Elaine Zhang , u-boot@lists.denx.de, jack@embed.me.uk, krzk@kernel.org, sven@svenschwermer.de, richard@puffinpack.se Subject: [U-Boot] [PATCH v3 2/8] power: regulator: rk8xx: update the driver for rk808 and rk818 X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" In order to adapt the following pmics, make the interface more compatible. Support buck and ldo suspend voltage setting and getting. Supprot buck and ldo suspend enable/disable setting and getting. Signed-off-by: Elaine Zhang --- drivers/power/regulator/rk8xx.c | 547 ++++++++++++++++++++++++++++++++++------ 1 file changed, 465 insertions(+), 82 deletions(-) diff --git a/drivers/power/regulator/rk8xx.c b/drivers/power/regulator/rk8xx.c index aa4f3a161c47..ef83f66c8b6e 100644 --- a/drivers/power/regulator/rk8xx.c +++ b/drivers/power/regulator/rk8xx.c @@ -19,6 +19,9 @@ #define ENABLE_DRIVER #endif +/* Not used or exisit register and configure */ +#define NA -1 + /* Field Definitions */ #define RK808_BUCK_VSEL_MASK 0x3f #define RK808_BUCK4_VSEL_MASK 0xf @@ -32,49 +35,61 @@ #define RK818_USB_ILIM_SEL_MASK 0x0f #define RK818_USB_CHG_SD_VSEL_MASK 0x70 +/* + * Ramp delay + */ +#define RK808_RAMP_RATE_OFFSET 3 +#define RK808_RAMP_RATE_MASK (3 << RK808_RAMP_RATE_OFFSET) +#define RK808_RAMP_RATE_2MV_PER_US (0 << RK808_RAMP_RATE_OFFSET) +#define RK808_RAMP_RATE_4MV_PER_US (1 << RK808_RAMP_RATE_OFFSET) +#define RK808_RAMP_RATE_6MV_PER_US (2 << RK808_RAMP_RATE_OFFSET) +#define RK808_RAMP_RATE_10MV_PER_US (3 << RK808_RAMP_RATE_OFFSET) struct rk8xx_reg_info { uint min_uv; uint step_uv; - s8 vsel_reg; + u8 vsel_reg; + u8 vsel_sleep_reg; + u8 config_reg; u8 vsel_mask; + u8 min_sel; }; static const struct rk8xx_reg_info rk808_buck[] = { - { 712500, 12500, REG_BUCK1_ON_VSEL, RK808_BUCK_VSEL_MASK, }, - { 712500, 12500, REG_BUCK2_ON_VSEL, RK808_BUCK_VSEL_MASK, }, - { 712500, 12500, -1, RK808_BUCK_VSEL_MASK, }, - { 1800000, 100000, REG_BUCK4_ON_VSEL, RK808_BUCK4_VSEL_MASK, }, + { 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK808_BUCK_VSEL_MASK, }, + { 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK808_BUCK_VSEL_MASK, }, + { 712500, 12500, NA, NA, REG_BUCK3_CONFIG, RK808_BUCK_VSEL_MASK, }, + { 1800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK808_BUCK4_VSEL_MASK, }, }; static const struct rk8xx_reg_info rk818_buck[] = { - { 712500, 12500, REG_BUCK1_ON_VSEL, RK818_BUCK_VSEL_MASK, }, - { 712500, 12500, REG_BUCK2_ON_VSEL, RK818_BUCK_VSEL_MASK, }, - { 712500, 12500, -1, RK818_BUCK_VSEL_MASK, }, - { 1800000, 100000, REG_BUCK4_ON_VSEL, RK818_BUCK4_VSEL_MASK, }, + { 712500, 12500, REG_BUCK1_ON_VSEL, REG_BUCK1_SLP_VSEL, REG_BUCK1_CONFIG, RK818_BUCK_VSEL_MASK, }, + { 712500, 12500, REG_BUCK2_ON_VSEL, REG_BUCK2_SLP_VSEL, REG_BUCK2_CONFIG, RK818_BUCK_VSEL_MASK, }, + { 712500, 12500, NA, NA, REG_BUCK3_CONFIG, RK818_BUCK_VSEL_MASK, }, + { 1800000, 100000, REG_BUCK4_ON_VSEL, REG_BUCK4_SLP_VSEL, REG_BUCK4_CONFIG, RK818_BUCK4_VSEL_MASK, }, }; #ifdef ENABLE_DRIVER static const struct rk8xx_reg_info rk808_ldo[] = { - { 1800000, 100000, REG_LDO1_ON_VSEL, RK808_LDO_VSEL_MASK, }, - { 1800000, 100000, REG_LDO2_ON_VSEL, RK808_LDO_VSEL_MASK, }, - { 800000, 100000, REG_LDO3_ON_VSEL, RK808_BUCK4_VSEL_MASK, }, - { 1800000, 100000, REG_LDO4_ON_VSEL, RK808_LDO_VSEL_MASK, }, - { 1800000, 100000, REG_LDO5_ON_VSEL, RK808_LDO_VSEL_MASK, }, - { 800000, 100000, REG_LDO6_ON_VSEL, RK808_LDO_VSEL_MASK, }, - { 800000, 100000, REG_LDO7_ON_VSEL, RK808_LDO_VSEL_MASK, }, - { 1800000, 100000, REG_LDO8_ON_VSEL, RK808_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, }, + { 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, NA, RK808_BUCK4_VSEL_MASK, }, + { 1800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, }, + { 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, }, + { 800000, 100000, REG_LDO7_ON_VSEL, REG_LDO7_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO8_ON_VSEL, REG_LDO8_SLP_VSEL, NA, RK808_LDO_VSEL_MASK, }, }; static const struct rk8xx_reg_info rk818_ldo[] = { - { 1800000, 100000, REG_LDO1_ON_VSEL, RK818_LDO_VSEL_MASK, }, - { 1800000, 100000, REG_LDO2_ON_VSEL, RK818_LDO_VSEL_MASK, }, - { 800000, 100000, REG_LDO3_ON_VSEL, RK818_LDO3_ON_VSEL_MASK, }, - { 1800000, 100000, REG_LDO4_ON_VSEL, RK818_LDO_VSEL_MASK, }, - { 1800000, 100000, REG_LDO5_ON_VSEL, RK818_LDO_VSEL_MASK, }, - { 800000, 100000, REG_LDO6_ON_VSEL, RK818_LDO_VSEL_MASK, }, - { 800000, 100000, REG_LDO7_ON_VSEL, RK818_LDO_VSEL_MASK, }, - { 1800000, 100000, REG_LDO8_ON_VSEL, RK818_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO1_ON_VSEL, REG_LDO1_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO2_ON_VSEL, REG_LDO2_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, + { 800000, 100000, REG_LDO3_ON_VSEL, REG_LDO3_SLP_VSEL, NA, RK818_LDO3_ON_VSEL_MASK, }, + { 1800000, 100000, REG_LDO4_ON_VSEL, REG_LDO4_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO5_ON_VSEL, REG_LDO5_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, + { 800000, 100000, REG_LDO6_ON_VSEL, REG_LDO6_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, + { 800000, 100000, REG_LDO7_ON_VSEL, REG_LDO7_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, + { 1800000, 100000, REG_LDO8_ON_VSEL, REG_LDO8_SLP_VSEL, NA, RK818_LDO_VSEL_MASK, }, }; #endif @@ -87,7 +102,7 @@ static const uint rk818_chrg_shutdown_vsel_array[] = { }; static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic, - int num) + int num, int uvolt) { struct rk8xx_priv *priv = dev_get_priv(pmic); switch (priv->variant) { @@ -100,15 +115,20 @@ static const struct rk8xx_reg_info *get_buck_reg(struct udevice *pmic, static int _buck_set_value(struct udevice *pmic, int buck, int uvolt) { - const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck - 1); + const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck, uvolt); int mask = info->vsel_mask; int val; - if (info->vsel_reg == -1) + if (info->vsel_reg == NA) return -ENOSYS; - val = (uvolt - info->min_uv) / info->step_uv; - debug("%s: reg=%x, mask=%x, val=%x\n", __func__, info->vsel_reg, mask, - val); + if (info->step_uv == 0) /* Fixed voltage */ + val = info->min_sel; + else + val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel; + + debug("%s: volt=%d, buck=%d, reg=0x%x, mask=0x%x, val=0x%x\n", + __func__, uvolt, buck + 1, info->vsel_reg, mask, val); + return pmic_clrsetbits(pmic, info->vsel_reg, mask, val); } @@ -117,24 +137,115 @@ static int _buck_set_enable(struct udevice *pmic, int buck, bool enable) { uint mask; int ret; + struct rk8xx_priv *priv = dev_get_priv(pmic); - buck--; - mask = 1 << buck; - if (enable) { - ret = pmic_clrsetbits(pmic, REG_DCDC_ILMAX, 0, 3 << (buck * 2)); - if (ret) - return ret; - ret = pmic_clrsetbits(pmic, REG_DCDC_UV_ACT, 1 << buck, 0); - if (ret) - return ret; + switch (priv->variant) { + case RK808_ID: + case RK818_ID: + mask = 1 << buck; + if (enable) { + ret = pmic_clrsetbits(pmic, REG_DCDC_ILMAX, + 0, 3 << (buck * 2)); + if (ret) + return ret; + } + ret = pmic_clrsetbits(pmic, REG_DCDC_EN, mask, + enable ? mask : 0); + break; + default: + ret = -EINVAL; } - return pmic_clrsetbits(pmic, REG_DCDC_EN, mask, enable ? mask : 0); + return ret; } #ifdef ENABLE_DRIVER +static int _buck_set_suspend_value(struct udevice *pmic, int buck, int uvolt) +{ + const struct rk8xx_reg_info *info = get_buck_reg(pmic, buck, uvolt); + int mask = info->vsel_mask; + int val; + + if (info->vsel_sleep_reg == NA) + return -ENOSYS; + + if (info->step_uv == 0) + val = info->min_sel; + else + val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel; + + debug("%s: volt=%d, buck=%d, reg=0x%x, mask=0x%x, val=0x%x\n", + __func__, uvolt, buck + 1, info->vsel_sleep_reg, mask, val); + + return pmic_clrsetbits(pmic, info->vsel_sleep_reg, mask, val); +} + +static int _buck_get_enable(struct udevice *pmic, int buck) +{ + struct rk8xx_priv *priv = dev_get_priv(pmic); + uint mask = 0; + int ret = 0; + + switch (priv->variant) { + case RK808_ID: + case RK818_ID: + mask = 1 << buck; + ret = pmic_reg_read(pmic, REG_DCDC_EN); + if (ret < 0) + return ret; + break; + } + + if (ret < 0) + return ret; + + return ret & mask ? true : false; +} + +static int _buck_set_suspend_enable(struct udevice *pmic, int buck, bool enable) +{ + uint mask; + int ret; + struct rk8xx_priv *priv = dev_get_priv(pmic); + + switch (priv->variant) { + case RK808_ID: + case RK818_ID: + mask = 1 << buck; + ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF1, mask, + enable ? 0 : mask); + break; + default: + ret = -EINVAL; + } + + return ret; +} + +static int _buck_get_suspend_enable(struct udevice *pmic, int buck) +{ + struct rk8xx_priv *priv = dev_get_priv(pmic); + int ret, val; + uint mask; + + switch (priv->variant) { + case RK808_ID: + case RK818_ID: + mask = 1 << buck; + val = pmic_reg_read(pmic, REG_SLEEP_SET_OFF1); + if (val < 0) + return val; + ret = val & mask ? 0 : 1; + break; + default: + ret = -EINVAL; + } + + return ret; +} + static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic, - int num) + int num, int uvolt) { struct rk8xx_priv *priv = dev_get_priv(pmic); switch (priv->variant) { @@ -145,14 +256,93 @@ static const struct rk8xx_reg_info *get_ldo_reg(struct udevice *pmic, } } +static int _ldo_get_enable(struct udevice *pmic, int ldo) +{ + struct rk8xx_priv *priv = dev_get_priv(pmic); + uint mask = 0; + int ret = 0; + + switch (priv->variant) { + case RK808_ID: + case RK818_ID: + mask = 1 << ldo; + ret = pmic_reg_read(pmic, REG_LDO_EN); + if (ret < 0) + return ret; + break; + } + + if (ret < 0) + return ret; + + return ret & mask ? true : false; +} + +static int _ldo_set_enable(struct udevice *pmic, int ldo, bool enable) +{ + struct rk8xx_priv *priv = dev_get_priv(pmic); + uint mask; + int ret = 0; + + switch (priv->variant) { + case RK808_ID: + case RK818_ID: + mask = 1 << ldo; + ret = pmic_clrsetbits(pmic, REG_LDO_EN, mask, + enable ? mask : 0); + break; + } + + return ret; +} + +static int _ldo_set_suspend_enable(struct udevice *pmic, int ldo, bool enable) +{ + struct rk8xx_priv *priv = dev_get_priv(pmic); + uint mask; + int ret = 0; + + switch (priv->variant) { + case RK808_ID: + case RK818_ID: + mask = 1 << ldo; + ret = pmic_clrsetbits(pmic, REG_SLEEP_SET_OFF2, mask, + enable ? 0 : mask); + break; + } + + return ret; +} + +static int _ldo_get_suspend_enable(struct udevice *pmic, int ldo) +{ + struct rk8xx_priv *priv = dev_get_priv(pmic); + int val, ret = 0; + uint mask; + + switch (priv->variant) { + case RK808_ID: + case RK818_ID: + mask = 1 << ldo; + val = pmic_reg_read(pmic, REG_SLEEP_SET_OFF2); + if (val < 0) + return val; + ret = val & mask ? 0 : 1; + break; + } + + return ret; +} + static int buck_get_value(struct udevice *dev) { int buck = dev->driver_data - 1; - const struct rk8xx_reg_info *info = get_buck_reg(dev->parent, buck); + /* We assume level-1 voltage is enough for usage in U-Boot */ + const struct rk8xx_reg_info *info = get_buck_reg(dev->parent, buck, 0); int mask = info->vsel_mask; int ret, val; - if (info->vsel_reg == -1) + if (info->vsel_reg == NA) return -ENOSYS; ret = pmic_reg_read(dev->parent, info->vsel_reg); if (ret < 0) @@ -164,41 +354,74 @@ static int buck_get_value(struct udevice *dev) static int buck_set_value(struct udevice *dev, int uvolt) { - int buck = dev->driver_data; + int buck = dev->driver_data - 1; return _buck_set_value(dev->parent, buck, uvolt); } +static int buck_get_suspend_value(struct udevice *dev) +{ + int buck = dev->driver_data - 1; + /* We assume level-1 voltage is enough for usage in U-Boot */ + const struct rk8xx_reg_info *info = get_buck_reg(dev->parent, buck, 0); + int mask = info->vsel_mask; + int ret, val; + + if (info->vsel_sleep_reg == NA) + return -ENOSYS; + + ret = pmic_reg_read(dev->parent, info->vsel_sleep_reg); + if (ret < 0) + return ret; + + val = ret & mask; + + return info->min_uv + val * info->step_uv; +} + +static int buck_set_suspend_value(struct udevice *dev, int uvolt) +{ + int buck = dev->driver_data - 1; + + return _buck_set_suspend_value(dev->parent, buck, uvolt); +} + static int buck_set_enable(struct udevice *dev, bool enable) { - int buck = dev->driver_data; + int buck = dev->driver_data - 1; return _buck_set_enable(dev->parent, buck, enable); } -static int buck_get_enable(struct udevice *dev) +static int buck_set_suspend_enable(struct udevice *dev, bool enable) { int buck = dev->driver_data - 1; - int ret; - uint mask; - mask = 1 << buck; + return _buck_set_suspend_enable(dev->parent, buck, enable); +} - ret = pmic_reg_read(dev->parent, REG_DCDC_EN); - if (ret < 0) - return ret; +static int buck_get_suspend_enable(struct udevice *dev) +{ + int buck = dev->driver_data - 1; - return ret & mask ? true : false; + return _buck_get_suspend_enable(dev->parent, buck); +} + +static int buck_get_enable(struct udevice *dev) +{ + int buck = dev->driver_data - 1; + + return _buck_get_enable(dev->parent, buck); } static int ldo_get_value(struct udevice *dev) { int ldo = dev->driver_data - 1; - const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo); + const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, 0); int mask = info->vsel_mask; int ret, val; - if (info->vsel_reg == -1) + if (info->vsel_reg == NA) return -ENOSYS; ret = pmic_reg_read(dev->parent, info->vsel_reg); if (ret < 0) @@ -211,71 +434,217 @@ static int ldo_get_value(struct udevice *dev) static int ldo_set_value(struct udevice *dev, int uvolt) { int ldo = dev->driver_data - 1; - const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo); + const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, uvolt); int mask = info->vsel_mask; int val; - if (info->vsel_reg == -1) + if (info->vsel_reg == NA) return -ENOSYS; - val = (uvolt - info->min_uv) / info->step_uv; - debug("%s: reg=%x, mask=%x, val=%x\n", __func__, info->vsel_reg, mask, - val); + + if (info->step_uv == 0) + val = info->min_sel; + else + val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel; + + debug("%s: volt=%d, ldo=%d, reg=0x%x, mask=0x%x, val=0x%x\n", + __func__, uvolt, ldo + 1, info->vsel_reg, mask, val); return pmic_clrsetbits(dev->parent, info->vsel_reg, mask, val); } -static int ldo_set_enable(struct udevice *dev, bool enable) +static int ldo_set_suspend_value(struct udevice *dev, int uvolt) { int ldo = dev->driver_data - 1; - uint mask; + const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, uvolt); + int mask = info->vsel_mask; + int val; + + if (info->vsel_sleep_reg == NA) + return -ENOSYS; - mask = 1 << ldo; + if (info->step_uv == 0) + val = info->min_sel; + else + val = ((uvolt - info->min_uv) / info->step_uv) + info->min_sel; - return pmic_clrsetbits(dev->parent, REG_LDO_EN, mask, - enable ? mask : 0); + debug("%s: volt=%d, ldo=%d, reg=0x%x, mask=0x%x, val=0x%x\n", + __func__, uvolt, ldo + 1, info->vsel_sleep_reg, mask, val); + + return pmic_clrsetbits(dev->parent, info->vsel_sleep_reg, mask, val); } -static int ldo_get_enable(struct udevice *dev) +static int ldo_get_suspend_value(struct udevice *dev) { int ldo = dev->driver_data - 1; - int ret; - uint mask; + const struct rk8xx_reg_info *info = get_ldo_reg(dev->parent, ldo, 0); + int mask = info->vsel_mask; + int val, ret; - mask = 1 << ldo; + if (info->vsel_sleep_reg == NA) + return -ENOSYS; - ret = pmic_reg_read(dev->parent, REG_LDO_EN); + ret = pmic_reg_read(dev->parent, info->vsel_sleep_reg); if (ret < 0) return ret; - return ret & mask ? true : false; + val = ret & mask; + + return info->min_uv + val * info->step_uv; +} + +static int ldo_set_enable(struct udevice *dev, bool enable) +{ + int ldo = dev->driver_data - 1; + + return _ldo_set_enable(dev->parent, ldo, enable); +} + +static int ldo_set_suspend_enable(struct udevice *dev, bool enable) +{ + int ldo = dev->driver_data - 1; + + return _ldo_set_suspend_enable(dev->parent, ldo, enable); +} + +static int ldo_get_suspend_enable(struct udevice *dev) +{ + int ldo = dev->driver_data - 1; + + return _ldo_get_suspend_enable(dev->parent, ldo); +} + +static int ldo_get_enable(struct udevice *dev) +{ + int ldo = dev->driver_data - 1; + + return _ldo_get_enable(dev->parent, ldo); } static int switch_set_enable(struct udevice *dev, bool enable) { - int sw = dev->driver_data - 1; - uint mask; + struct rk8xx_priv *priv = dev_get_priv(dev->parent); + int ret = 0, sw = dev->driver_data - 1; + uint mask = 0; + + switch (priv->variant) { + case RK808_ID: + mask = 1 << (sw + 5); + ret = pmic_clrsetbits(dev->parent, REG_DCDC_EN, mask, + enable ? mask : 0); + break; + case RK818_ID: + mask = 1 << 6; + ret = pmic_clrsetbits(dev->parent, REG_DCDC_EN, mask, + enable ? mask : 0); + break; + } - mask = 1 << (sw + 5); + debug("%s: switch%d, enable=%d, mask=0x%x\n", + __func__, sw + 1, enable, mask); - return pmic_clrsetbits(dev->parent, REG_DCDC_EN, mask, - enable ? mask : 0); + return ret; } static int switch_get_enable(struct udevice *dev) { - int sw = dev->driver_data - 1; - int ret; - uint mask; + struct rk8xx_priv *priv = dev_get_priv(dev->parent); + int ret = 0, sw = dev->driver_data - 1; + uint mask = 0; - mask = 1 << (sw + 5); + switch (priv->variant) { + case RK808_ID: + mask = 1 << (sw + 5); + ret = pmic_reg_read(dev->parent, REG_DCDC_EN); + break; + case RK818_ID: + mask = 1 << 6; + ret = pmic_reg_read(dev->parent, REG_DCDC_EN); + break; + } - ret = pmic_reg_read(dev->parent, REG_DCDC_EN); if (ret < 0) return ret; return ret & mask ? true : false; } +static int switch_set_suspend_value(struct udevice *dev, int uvolt) +{ + return 0; +} + +static int switch_get_suspend_value(struct udevice *dev) +{ + return 0; +} + +static int switch_set_suspend_enable(struct udevice *dev, bool enable) +{ + struct rk8xx_priv *priv = dev_get_priv(dev->parent); + int ret = 0, sw = dev->driver_data - 1; + uint mask = 0; + + switch (priv->variant) { + case RK808_ID: + mask = 1 << (sw + 5); + ret = pmic_clrsetbits(dev->parent, REG_SLEEP_SET_OFF1, mask, + enable ? 0 : mask); + break; + case RK818_ID: + mask = 1 << 6; + ret = pmic_clrsetbits(dev->parent, REG_SLEEP_SET_OFF1, mask, + enable ? 0 : mask); + break; + } + + debug("%s: switch%d, enable=%d, mask=0x%x\n", + __func__, sw + 1, enable, mask); + + return ret; +} + +static int switch_get_suspend_enable(struct udevice *dev) +{ + struct rk8xx_priv *priv = dev_get_priv(dev->parent); + int val, ret = 0, sw = dev->driver_data - 1; + uint mask = 0; + + switch (priv->variant) { + case RK808_ID: + mask = 1 << (sw + 5); + val = pmic_reg_read(dev->parent, REG_SLEEP_SET_OFF1); + if (val < 0) + return val; + ret = val & mask ? 0 : 1; + break; + case RK818_ID: + mask = 1 << 6; + val = pmic_reg_read(dev->parent, REG_SLEEP_SET_OFF1); + if (val < 0) + return val; + ret = val & mask ? 0 : 1; + break; + } + + return ret; +} + +/* + * RK8xx switch does not need to set the voltage, + * but if dts set regulator-min-microvolt/regulator-max-microvolt, + * will cause regulator set value fail and not to enable this switch. + * So add an empty function to return success. + */ +static int switch_get_value(struct udevice *dev) +{ + return 0; +} + +static int switch_set_value(struct udevice *dev, int uvolt) +{ + return 0; +} + static int rk8xx_buck_probe(struct udevice *dev) { struct dm_regulator_uclass_platdata *uc_pdata; @@ -315,20 +684,34 @@ static int rk8xx_switch_probe(struct udevice *dev) static const struct dm_regulator_ops rk8xx_buck_ops = { .get_value = buck_get_value, .set_value = buck_set_value, + .set_suspend_value = buck_set_suspend_value, + .get_suspend_value = buck_get_suspend_value, .get_enable = buck_get_enable, .set_enable = buck_set_enable, + .set_suspend_enable = buck_set_suspend_enable, + .get_suspend_enable = buck_get_suspend_enable, }; static const struct dm_regulator_ops rk8xx_ldo_ops = { .get_value = ldo_get_value, .set_value = ldo_set_value, + .set_suspend_value = ldo_set_suspend_value, + .get_suspend_value = ldo_get_suspend_value, .get_enable = ldo_get_enable, .set_enable = ldo_set_enable, + .set_suspend_enable = ldo_set_suspend_enable, + .get_suspend_enable = ldo_get_suspend_enable, }; static const struct dm_regulator_ops rk8xx_switch_ops = { + .get_value = switch_get_value, + .set_value = switch_set_value, .get_enable = switch_get_enable, .set_enable = switch_set_enable, + .set_suspend_enable = switch_set_suspend_enable, + .get_suspend_enable = switch_get_suspend_enable, + .set_suspend_value = switch_set_suspend_value, + .get_suspend_value = switch_get_suspend_value, }; U_BOOT_DRIVER(rk8xx_buck) = {