From nobody Wed Dec 17 01:47:58 2025 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 1C7F4C3DA6F for ; Thu, 24 Aug 2023 12:07:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241264AbjHXMGl (ORCPT ); Thu, 24 Aug 2023 08:06:41 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57862 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232918AbjHXMGI (ORCPT ); Thu, 24 Aug 2023 08:06:08 -0400 X-Greylist: delayed 880 seconds by postgrey-1.37 at lindbergh.monkeyblade.net; Thu, 24 Aug 2023 05:06:02 PDT Received: from luna.linkmauve.fr (82-65-109-163.subs.proxad.net [82.65.109.163]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C5513198D; Thu, 24 Aug 2023 05:06:02 -0700 (PDT) Received: by luna.linkmauve.fr (Postfix, from userid 1000) id DC99D8CC50D; Thu, 24 Aug 2023 13:27:57 +0200 (CEST) From: Emmanuel Gil Peyrot Cc: Alexandre Courbot , azkali , CTCaer , Sebastian Reichel , Rob Herring , Krzysztof Kozlowski , Conor Dooley , linux-pm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/2] power: supply: bq24190_charger: Export current regulator Date: Thu, 24 Aug 2023 13:27:35 +0200 Message-ID: <20230824112741.201353-3-linkmauve@linkmauve.fr> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20230824112741.201353-1-linkmauve@linkmauve.fr> References: <20230824112741.201353-1-linkmauve@linkmauve.fr> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable To: unlisted-recipients:; (no To-header on input) Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Alexandre Courbot Signed-off-by: Alexandre Courbot --- drivers/power/supply/bq24190_charger.c | 84 ++++++++++++++++++++++++++ 1 file changed, 84 insertions(+) diff --git a/drivers/power/supply/bq24190_charger.c b/drivers/power/supply/= bq24190_charger.c index a56122b39687..8c026e86aeb3 100644 --- a/drivers/power/supply/bq24190_charger.c +++ b/drivers/power/supply/bq24190_charger.c @@ -530,6 +530,81 @@ static int bq24190_set_otg_vbus(struct bq24190_dev_inf= o *bdi, bool enable) } =20 #ifdef CONFIG_REGULATOR +static int bq24190_set_charging_current(struct regulator_dev *dev, + int min_uA, int max_uA) +{ + struct bq24190_dev_info *bdi =3D rdev_get_drvdata(dev); + u8 ss_reg; + int in_current_limit; + int ret =3D 0; + + dev_info(bdi->dev, "Setting charging current %d mA\n", max_uA/1000); + + ret =3D bq24190_read(bdi, BQ24190_REG_SS, &ss_reg); + if (ret < 0) + goto error; + + if (max_uA =3D=3D 0 && ss_reg !=3D 0) + return ret; + + if (!(ss_reg & BQ24190_REG_SS_VBUS_STAT_MASK)) + in_current_limit =3D 500; + else + in_current_limit =3D max_uA / 1000; + + return bq24190_set_field_val(bdi, BQ24190_REG_ISC, + BQ24190_REG_ISC_IINLIM_MASK, + BQ24190_REG_ISC_IINLIM_SHIFT, + bq24190_isc_iinlim_values, + ARRAY_SIZE(bq24190_isc_iinlim_values), + in_current_limit); +error: + dev_err(bdi->dev, "Charger enable failed, err =3D %d\n", ret); + return ret; +} + +static const struct regulator_ops bq24190_chrg_ops =3D { + .set_current_limit =3D bq24190_set_charging_current, +}; + +static const struct regulator_desc bq24190_chrg_desc =3D { + .name =3D "charger", + .of_match =3D "charger", + .type =3D REGULATOR_CURRENT, + .owner =3D THIS_MODULE, + .ops =3D &bq24190_chrg_ops, +}; + +static const struct regulator_init_data bq24190_chrg_init_data =3D { + .constraints =3D { + .valid_ops_mask =3D REGULATOR_CHANGE_STATUS | REGULATOR_CHANGE_CURRENT, + .min_uA =3D 0, + .max_uA =3D 3000000, + }, +}; + +static int bq24190_register_chrg_regulator(struct bq24190_dev_info *bdi) +{ + struct bq24190_platform_data *pdata =3D bdi->dev->platform_data; + struct regulator_config cfg =3D { }; + struct regulator_dev *reg; + int ret =3D 0; + + cfg.dev =3D bdi->dev; + if (pdata && pdata->regulator_init_data) + cfg.init_data =3D pdata->regulator_init_data; + else + cfg.init_data =3D &bq24190_chrg_init_data; + cfg.driver_data =3D bdi; + reg =3D devm_regulator_register(bdi->dev, &bq24190_chrg_desc, &cfg); + if (IS_ERR(reg)) { + ret =3D PTR_ERR(reg); + dev_err(bdi->dev, "Can't register regulator: %d\n", ret); + } + + return ret; +} + static int bq24190_vbus_enable(struct regulator_dev *dev) { return bq24190_set_otg_vbus(rdev_get_drvdata(dev), true); @@ -611,6 +686,11 @@ static int bq24190_register_vbus_regulator(struct bq24= 190_dev_info *bdi) return ret; } #else +static int bq24190_register_chrg_regulator(struct bq24190_dev_info *bdi) +{ + return 0; +} + static int bq24190_register_vbus_regulator(struct bq24190_dev_info *bdi) { return 0; @@ -1879,6 +1959,10 @@ static int bq24190_probe(struct i2c_client *client) goto out_charger; } =20 + ret =3D bq24190_register_chrg_regulator(bdi); + if (ret < 0) + goto out_charger; + ret =3D bq24190_register_vbus_regulator(bdi); if (ret < 0) goto out_charger; --=20 2.42.0