From nobody Sat Jun 20 00:59:37 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id A5A08C433EF for ; Fri, 25 Mar 2022 01:06:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357119AbiCYBI2 (ORCPT ); Thu, 24 Mar 2022 21:08:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58010 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241524AbiCYBI0 (ORCPT ); Thu, 24 Mar 2022 21:08:26 -0400 Received: from mail-pg1-x536.google.com (mail-pg1-x536.google.com [IPv6:2607:f8b0:4864:20::536]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id B957FB6E41; Thu, 24 Mar 2022 18:06:53 -0700 (PDT) Received: by mail-pg1-x536.google.com with SMTP id c11so5187159pgu.11; Thu, 24 Mar 2022 18:06:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=99ip5yM/eXMtw/bhYIEGY/geBI8pRphT9RnitiSW3ck=; b=pD++ADWNMuXubx1OgdCjv26q8P743r69bPPzSjwH7wT1iIhqZ+1wQI6I57O7dYk6BH lP1KK42t+KOc7CpWp2yccvsawvSq0ryDGMSGDgdiomPRKR4oAuVKgNNEjMXkUqf7p+KG I34LpGmFANgt5PZyTdWbb5Ky7+CVCnamcn0L82bHB3ULbzzQmFuRrc8sSBaMWogwfbOn cODzygqlC+TwIUaUuR4o/9IyWX4TizyarhQDSNvx/pXLcOZDbyEbXwQ6wz8jY9mcPXax 8x6gjXZc9VaKshPPGE31J4qkkJzuoHEGWM/NT/cDS+B9C0WwHlJhILPdxnKRkm9HBtHY 9SbQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=99ip5yM/eXMtw/bhYIEGY/geBI8pRphT9RnitiSW3ck=; b=CqPXuKSxYCzQHnYimI8DmHFl1TSJIHNqXUsMH54J7mTCKddCEEtmjx8xTW/4feSWIw 9EYBpamgYFS6e59MFm0tXlnJGS0IGCvw4Hq07tDwJDmyVcehIEKVO9ESC4ucB6P9NOyZ 0czqG9xanwuSuQ1K+Didni85GcO0N9NXRI15FXdvMvSiZqCpZfTInD9zGQK6jUPvX60A lkoS2O4X6rB2KNXm6a/OsEk0N+D85wiroZ6pBjoFfQl9VEPerxJCF/pF4MlpdtCDnnqd rFMiDKt0YegMpI6rxI9Zm/mJQIyeE22LqEslKMPZ4iRGvslpUtj6J7z8DhdBhGWJIVdG 5ylQ== X-Gm-Message-State: AOAM530jDDwLCgV85v7qmhX4Jy0h67i80gjKOYcpCPwQ2QhoU2ZxuAn8 dWzgVxYzuJp1qCzEIkdmPt0PcGEeghs= X-Google-Smtp-Source: ABdhPJwfWKs3jY4Mpgmt6KEuGZiZeciBMSdRdoiMV7SLqB4YfwMqQN2VQ4XY/SoYP1JEEtEARtqNRQ== X-Received: by 2002:a63:5907:0:b0:382:2f93:5467 with SMTP id n7-20020a635907000000b003822f935467mr5898806pgb.460.1648170413167; Thu, 24 Mar 2022 18:06:53 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:56a:d674:140:d261:4ff3:2835]) by smtp.gmail.com with ESMTPSA id kk11-20020a17090b4a0b00b001c73933d803sm10971483pjb.10.2022.03.24.18.06.50 (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 24 Mar 2022 18:06:52 -0700 (PDT) From: cy_huang To: broonie@kernel.org, robh+dt@kernel.org Cc: lgirdwood@gmail.com, cy_huang@richtek.com, gene_chen@richtek.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: regulator: Add binding for Richtek RT5759 DCDC converter Date: Fri, 25 Mar 2022 09:06:40 +0800 Message-Id: <1648170401-6351-2-git-send-email-u0084500@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1648170401-6351-1-git-send-email-u0084500@gmail.com> References: <1648170401-6351-1-git-send-email-u0084500@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: ChiYuan Huang Add bindings for Richtek RT5759 high-performance DCDC converter. Signed-off-by: ChiYuan Huang --- .../regulator/richtek,rt5759-regulator.yaml | 90 ++++++++++++++++++= ++++ 1 file changed, 90 insertions(+) create mode 100644 Documentation/devicetree/bindings/regulator/richtek,rt5= 759-regulator.yaml diff --git a/Documentation/devicetree/bindings/regulator/richtek,rt5759-reg= ulator.yaml b/Documentation/devicetree/bindings/regulator/richtek,rt5759-re= gulator.yaml new file mode 100644 index 00000000..c24b583 --- /dev/null +++ b/Documentation/devicetree/bindings/regulator/richtek,rt5759-regulator.= yaml @@ -0,0 +1,90 @@ +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/regulator/richtek,rt5759-regulator.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Richtek RT5759 High Performance DCDC Concverter + +maintainers: + - ChiYuan Huang + +description: | + The RT5759 is a high-performance, synchronous step-down DC-DC converter = that + can deliver up to 9A output current from 3V to 6.5V input supply, The ou= tput + voltage can be programmable with I2C controlled 7-Bit VID. + + Datasheet is available at + https://www.richtek.com/assets/product_file/RT5759/DS5759-00.pdf + +allOf: + - $ref: regulator.yaml# + +properties: + compatible: + enum: + - richtek,rt5759 + - richtek,rt5759a + + reg: + maxItems: 1 + + regulator-allowed-modes: + description: | + buck allowed operating mode + 0: auto mode (PSKIP: pulse skipping) + 1: force pwm mode + items: + enum: [0, 1] + + richtek,watchdog-enable: + description: enable the external watchdog reset pin listening + type: boolean + +if: + properties: + compatible: + contains: + const: richtek,rt5759 +then: + properties: + richtek,watchdog-enable: false + +required: + - compatible + - reg + +unevaluatedProperties: false + +examples: + # example 1 for RT5759 + - | + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + rt5759@62 { + compatible =3D "richtek,rt5759"; + reg =3D <0x62>; + regulator-name =3D "rt5759-buck"; + regulator-min-microvolt =3D <600000>; + regulator-max-microvolt =3D <1500000>; + regulator-boot-on; + }; + }; + # example 2 for RT5759A + - | + i2c { + #address-cells =3D <1>; + #size-cells =3D <0>; + + rt5759a@62 { + compatible =3D "richtek,rt5759a"; + reg =3D <0x62>; + regulator-name =3D "rt5759a-buck"; + regulator-min-microvolt =3D <600000>; + regulator-max-microvolt =3D <1725000>; + regulator-boot-on; + richtek,watchdog-enable; + }; + }; --=20 2.7.4 From nobody Sat Jun 20 00:59:37 2026 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 74579C433F5 for ; Fri, 25 Mar 2022 01:07:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1357134AbiCYBIh (ORCPT ); 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Thu, 24 Mar 2022 18:06:55 -0700 (PDT) From: cy_huang To: broonie@kernel.org, robh+dt@kernel.org Cc: lgirdwood@gmail.com, cy_huang@richtek.com, gene_chen@richtek.com, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org Subject: [PATCH 2/2] regulator: rt5759: Add support for Richtek RT5759 DCDC converter Date: Fri, 25 Mar 2022 09:06:41 +0800 Message-Id: <1648170401-6351-3-git-send-email-u0084500@gmail.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1648170401-6351-1-git-send-email-u0084500@gmail.com> References: <1648170401-6351-1-git-send-email-u0084500@gmail.com> Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: ChiYuan Huang Add support for Richtek RT5759 high-performance DCDC converter. Signed-off-by: ChiYuan Huang --- drivers/regulator/Kconfig | 10 + drivers/regulator/Makefile | 1 + drivers/regulator/rt5759-regulator.c | 372 +++++++++++++++++++++++++++++++= ++++ 3 files changed, 383 insertions(+) create mode 100644 drivers/regulator/rt5759-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 1c35fed2..72e0318 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1046,6 +1046,16 @@ config REGULATOR_RT5033 RT5033 PMIC. The device supports multiple regulators like current source, LDO and Buck. =20 +config REGULATOR_RT5759 + tristate "Richtek RT5759 Regulator" + depends on I2C + select REGMAP_I2C + help + This adds support for voltage regulator in Richtek RT5759. + The RT5759 is a high-performance, synchronous step-down DC-DC + converter that can deliver up to 9A output current from 3V to 6.5V + input supply. + config REGULATOR_RT6160 tristate "Richtek RT6160 BuckBoost voltage regulator" depends on I2C diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 2e1b087..239a3a3 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -126,6 +126,7 @@ obj-$(CONFIG_REGULATOR_ROHM) +=3D rohm-regulator.o obj-$(CONFIG_REGULATOR_RT4801) +=3D rt4801-regulator.o obj-$(CONFIG_REGULATOR_RT4831) +=3D rt4831-regulator.o obj-$(CONFIG_REGULATOR_RT5033) +=3D rt5033-regulator.o +obj-$(CONFIG_REGULATOR_RT5759) +=3D rt5759-regulator.o obj-$(CONFIG_REGULATOR_RT6160) +=3D rt6160-regulator.o obj-$(CONFIG_REGULATOR_RT6245) +=3D rt6245-regulator.o obj-$(CONFIG_REGULATOR_RTMV20) +=3D rtmv20-regulator.o diff --git a/drivers/regulator/rt5759-regulator.c b/drivers/regulator/rt575= 9-regulator.c new file mode 100644 index 00000000..eaff77b --- /dev/null +++ b/drivers/regulator/rt5759-regulator.c @@ -0,0 +1,372 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include +#include +#include +#include +#include +#include +#include +#include + +#define RT5759_REG_VENDORINFO 0x00 +#define RT5759_REG_FREQ 0x01 +#define RT5759_REG_VSEL 0x02 +#define RT5759_REG_DCDCCTRL 0x03 +#define RT5759_REG_STATUS 0x04 +#define RT5759_REG_DCDCSET 0x05 +#define RT5759A_REG_WDTEN 0x42 + +#define RT5759_TSTEP_MASK GENMASK(3, 2) +#define RT5759_VSEL_MASK GENMASK(6, 0) +#define RT5759_DISCHARGE_MASK BIT(3) +#define RT5759_FPWM_MASK BIT(2) +#define RT5759_ENABLE_MASK BIT(1) +#define RT5759_OT_MASK BIT(1) +#define RT5759_UV_MASK BIT(0) +#define RT5957_OCLVL_MASK GENMASK(7, 6) +#define RT5759_OCLVL_SHIFT 6 +#define RT5957_OTLVL_MASK GENMASK(5, 4) +#define RT5759_OTLVL_SHIFT 4 +#define RT5759A_WDTEN_MASK BIT(1) + +#define RT5759_MANUFACTURER_ID 0x82 +/* vsel range 0x00 ~ 0x5A */ +#define RT5759_NUM_VOLTS 91 +#define RT5759_MIN_UV 600000 +#define RT5759_STEP_UV 10000 +#define RT5759A_STEP_UV 12500 +#define RT5759_MINSS_TIMEUS 1500 + +#define RT5759_PSKIP_MODE 0 +#define RT5759_FPWM_MODE 1 + +enum { + CHIP_TYPE_RT5759 =3D 0, + CHIP_TYPE_RT5759A, + CHIP_TYPE_MAX +}; + +struct rt5759_priv { + struct device *dev; + struct regmap *regmap; + struct regulator_desc desc; + unsigned long chip_type; +}; + +static int rt5759_set_mode(struct regulator_dev *rdev, unsigned int mode) +{ + struct regmap *regmap =3D rdev_get_regmap(rdev); + unsigned int mode_val; + + switch (mode) { + case REGULATOR_MODE_NORMAL: + mode_val =3D 0; + break; + case REGULATOR_MODE_FAST: + mode_val =3D RT5759_FPWM_MASK; + break; + default: + return -EINVAL; + } + + return regmap_update_bits(regmap, RT5759_REG_STATUS, RT5759_FPWM_MASK, + mode_val); +} + +static unsigned int rt5759_get_mode(struct regulator_dev *rdev) +{ + struct regmap *regmap =3D rdev_get_regmap(rdev); + unsigned int regval; + int ret; + + ret =3D regmap_read(regmap, RT5759_REG_DCDCCTRL, ®val); + if (ret) + return REGULATOR_MODE_INVALID; + + if (regval & RT5759_FPWM_MASK) + return REGULATOR_MODE_FAST; + + return REGULATOR_MODE_NORMAL; +} + +static int rt5759_get_error_flags(struct regulator_dev *rdev, + unsigned int *flags) +{ + struct regmap *regmap =3D rdev_get_regmap(rdev); + unsigned int status, events =3D 0; + int ret; + + ret =3D regmap_read(regmap, RT5759_REG_STATUS, &status); + if (ret) + return ret; + + if (status & RT5759_OT_MASK) + events |=3D REGULATOR_ERROR_OVER_TEMP; + + if (status & RT5759_UV_MASK) + events |=3D REGULATOR_ERROR_UNDER_VOLTAGE; + + *flags =3D events; + return 0; +} + +static int rt5759_set_ocp(struct regulator_dev *rdev, int lim_uA, int seve= rity, + bool enable) +{ + struct regmap *regmap =3D rdev_get_regmap(rdev); + int ocp_lvl[] =3D { 9800000, 10800000, 11800000 }; + unsigned int ocp_regval; + int i; + + /* Only support over current protection parameter */ + if (severity !=3D REGULATOR_SEVERITY_PROT) + return 0; + + if (enable) { + /* Default ocp level is 10.8A */ + if (lim_uA =3D=3D 0) + lim_uA =3D 10800000; + + for (i =3D 0; i < ARRAY_SIZE(ocp_lvl); i++) { + if (lim_uA <=3D ocp_lvl[i]) + break; + } + + if (i =3D=3D ARRAY_SIZE(ocp_lvl)) + i =3D ARRAY_SIZE(ocp_lvl) - 1; + + ocp_regval =3D i + 1; + } else + ocp_regval =3D 0; + + return regmap_update_bits(regmap, RT5759_REG_DCDCSET, RT5957_OCLVL_MASK, + ocp_regval << RT5759_OCLVL_SHIFT); +} + +static int rt5759_set_otp(struct regulator_dev *rdev, int lim, int severit= y, + bool enable) +{ + struct regmap *regmap =3D rdev_get_regmap(rdev); + int otp_lvl[] =3D { 140, 150, 170 }; + unsigned int otp_regval; + int i; + + /* Only support over temperature protection parameter */ + if (severity !=3D REGULATOR_SEVERITY_PROT) + return 0; + + if (enable) { + /* Default otp level is 150'c */ + if (lim =3D=3D 0) + lim =3D 150; + + for (i =3D 0; i < ARRAY_SIZE(otp_lvl); i++) { + if (lim <=3D otp_lvl[i]) + break; + } + + if (i =3D=3D ARRAY_SIZE(otp_lvl)) + i =3D ARRAY_SIZE(otp_lvl) - 1; + + otp_regval =3D i + 1; + } else + otp_regval =3D 0; + + return regmap_update_bits(regmap, RT5759_REG_DCDCSET, RT5957_OTLVL_MASK, + otp_regval << RT5759_OTLVL_SHIFT); +} + +static const struct regulator_ops rt5759_regulator_ops =3D { + .list_voltage =3D regulator_list_voltage_linear, + .set_voltage_sel =3D regulator_set_voltage_sel_regmap, + .get_voltage_sel =3D regulator_get_voltage_sel_regmap, + .enable =3D regulator_enable_regmap, + .disable =3D regulator_disable_regmap, + .is_enabled =3D regulator_is_enabled_regmap, + .set_active_discharge =3D regulator_set_active_discharge_regmap, + .set_mode =3D rt5759_set_mode, + .get_mode =3D rt5759_get_mode, + .set_ramp_delay =3D regulator_set_ramp_delay_regmap, + .get_error_flags =3D rt5759_get_error_flags, + .set_over_current_protection =3D rt5759_set_ocp, + .set_thermal_protection =3D rt5759_set_otp, +}; + +static unsigned int rt5759_of_map_mode(unsigned int mode) +{ + switch (mode) { + case RT5759_FPWM_MODE: + return REGULATOR_MODE_FAST; + case RT5759_PSKIP_MODE: + return REGULATOR_MODE_NORMAL; + default: + return REGULATOR_MODE_INVALID; + } +} + +static const unsigned int rt5759_ramp_table[] =3D { 20000, 15000, 10000, 5= 000 }; + +static int rt5759_regulator_register(struct rt5759_priv *priv) +{ + struct device_node *np =3D priv->dev->of_node; + struct regulator_desc *reg_desc =3D &priv->desc; + struct regulator_config reg_cfg; + struct regulator_dev *rdev; + int ret; + + reg_desc->name =3D "rt5759-buck"; + reg_desc->type =3D REGULATOR_VOLTAGE; + reg_desc->owner =3D THIS_MODULE; + reg_desc->ops =3D &rt5759_regulator_ops; + reg_desc->n_voltages =3D RT5759_NUM_VOLTS; + reg_desc->min_uV =3D RT5759_MIN_UV; + reg_desc->uV_step =3D RT5759_STEP_UV; + reg_desc->vsel_reg =3D RT5759_REG_VSEL; + reg_desc->vsel_mask =3D RT5759_VSEL_MASK; + reg_desc->enable_reg =3D RT5759_REG_DCDCCTRL; + reg_desc->enable_mask =3D RT5759_ENABLE_MASK; + reg_desc->active_discharge_reg =3D RT5759_REG_DCDCCTRL; + reg_desc->active_discharge_mask =3D RT5759_DISCHARGE_MASK; + reg_desc->active_discharge_on =3D RT5759_DISCHARGE_MASK; + reg_desc->ramp_reg =3D RT5759_REG_FREQ; + reg_desc->ramp_mask =3D RT5759_TSTEP_MASK; + reg_desc->ramp_delay_table =3D rt5759_ramp_table; + reg_desc->n_ramp_values =3D ARRAY_SIZE(rt5759_ramp_table); + reg_desc->enable_time =3D RT5759_MINSS_TIMEUS; + reg_desc->of_map_mode =3D rt5759_of_map_mode; + + /* + * RT5759 step uV =3D 10000 + * RT5759A step uV =3D 12500 + */ + if (priv->chip_type =3D=3D CHIP_TYPE_RT5759A) + reg_desc->uV_step =3D RT5759A_STEP_UV; + + reg_cfg.dev =3D priv->dev; + reg_cfg.of_node =3D np; + reg_cfg.init_data =3D of_get_regulator_init_data(priv->dev, np, reg_desc); + reg_cfg.regmap =3D priv->regmap; + + rdev =3D devm_regulator_register(priv->dev, reg_desc, ®_cfg); + if (IS_ERR(rdev)) { + ret =3D PTR_ERR(rdev); + dev_err(priv->dev, "Failed to register regulator (%d)\n", ret); + return ret; + } + + return 0; +} + +static int rt5759_init_device_property(struct rt5759_priv *priv) +{ + unsigned int val =3D 0; + bool wdt_enable; + + /* + * Only RT5759A support external watchdog input + */ + if (priv->chip_type !=3D CHIP_TYPE_RT5759A) + return 0; + + wdt_enable =3D device_property_read_bool(priv->dev, + "richtek,watchdog-enable"); + if (wdt_enable) + val =3D RT5759A_WDTEN_MASK; + + return regmap_update_bits(priv->regmap, RT5759A_REG_WDTEN, + RT5759A_WDTEN_MASK, val); +} + +static int rt5759_manufacturer_check(struct rt5759_priv *priv) +{ + unsigned int vendor; + int ret; + + ret =3D regmap_read(priv->regmap, RT5759_REG_VENDORINFO, &vendor); + if (ret) + return ret; + + if (vendor !=3D RT5759_MANUFACTURER_ID) { + dev_err(priv->dev, "vendor info not correct (%d)\n", vendor); + return -EINVAL; + } + + return 0; +} + +static bool rt5759_is_accessible_reg(struct device *dev, unsigned int reg) +{ + struct rt5759_priv *priv =3D dev_get_drvdata(dev); + + if (reg <=3D RT5759_REG_DCDCSET) + return true; + + if (priv->chip_type =3D=3D CHIP_TYPE_RT5759A && reg =3D=3D RT5759A_REG_WD= TEN) + return true; + + return false; +} + +static const struct regmap_config rt5759_regmap_config =3D { + .reg_bits =3D 8, + .val_bits =3D 8, + .max_register =3D RT5759A_REG_WDTEN, + .readable_reg =3D rt5759_is_accessible_reg, + .writeable_reg =3D rt5759_is_accessible_reg, +}; + +static int rt5759_probe(struct i2c_client *i2c) +{ + struct rt5759_priv *priv; + int ret; + + priv =3D devm_kzalloc(&i2c->dev, sizeof(*priv), GFP_KERNEL); + if (!priv) + return -ENOMEM; + + priv->dev =3D &i2c->dev; + priv->chip_type =3D (unsigned long)of_device_get_match_data(&i2c->dev); + i2c_set_clientdata(i2c, priv); + + priv->regmap =3D devm_regmap_init_i2c(i2c, &rt5759_regmap_config); + if (IS_ERR(priv->regmap)) { + ret =3D PTR_ERR(priv->regmap); + dev_err(&i2c->dev, "Failed to allocate regmap (%d)\n", ret); + return ret; + } + + ret =3D rt5759_manufacturer_check(priv); + if (ret) { + dev_err(&i2c->dev, "Failed to check device (%d)\n", ret); + return ret; + } + + ret =3D rt5759_init_device_property(priv); + if (ret) { + dev_err(&i2c->dev, "Failed to init device (%d)\n", ret); + return ret; + } + + return rt5759_regulator_register(priv); +} + +static const struct of_device_id __maybe_unused rt5759_device_table[] =3D { + { .compatible =3D "richtek,rt5759", .data =3D (void *)CHIP_TYPE_RT5759 }, + { .compatible =3D "richtek,rt5759a", .data =3D (void *)CHIP_TYPE_RT5759A = }, + {} +}; +MODULE_DEVICE_TABLE(of, rt5759_device_table); + +static struct i2c_driver rt5759_driver =3D { + .driver =3D { + .name =3D "rt5759", + .of_match_table =3D rt5759_device_table, + }, + .probe_new =3D rt5759_probe, +}; +module_i2c_driver(rt5759_driver); + +MODULE_AUTHOR("ChiYuan Huang "); +MODULE_DESCRIPTION("Richtek RT5759 Regulator Driver"); +MODULE_LICENSE("GPL v2"); --=20 2.7.4