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[34.91.20.140]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-606ed984f63sm1051640a12.58.2025.06.04.08.25.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 04 Jun 2025 08:25:51 -0700 (PDT) From: =?utf-8?q?Andr=C3=A9_Draszik?= Date: Wed, 04 Jun 2025 16:25:51 +0100 Subject: [PATCH 12/17] regulator: s2mps11: refactor handling of external rail control Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20250604-s2mpg1x-regulators-v1-12-6038740f49ae@linaro.org> References: <20250604-s2mpg1x-regulators-v1-0-6038740f49ae@linaro.org> In-Reply-To: <20250604-s2mpg1x-regulators-v1-0-6038740f49ae@linaro.org> To: Tudor Ambarus , Rob Herring , Conor Dooley , Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Lee Jones , Linus Walleij , Bartosz Golaszewski Cc: Peter Griffin , Will McVicker , kernel-team@android.com, linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, linux-gpio@vger.kernel.org, =?utf-8?q?Andr=C3=A9_Draszik?= X-Mailer: b4 0.14.2 Refactor s2mps14_pmic_enable_ext_control() and s2mps11_of_parse_cb() slightly as a preparation for adding S2MPG10 and S2MPG11 support, as both of those PMICs also support control of rails via GPIOs. Signed-off-by: Andr=C3=A9 Draszik --- drivers/regulator/s2mps11.c | 86 ++++++++++++++++++++++++++++++-----------= ---- 1 file changed, 57 insertions(+), 29 deletions(-) diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index d3739526add3c966eb2979b9be2e543b5ad9d89a..ff9124c998c685d9c598570148d= ca074e671a99b 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -328,27 +328,13 @@ static int s2mps11_regulator_set_suspend_disable(stru= ct regulator_dev *rdev) rdev->desc->enable_mask, state); } =20 -static int s2mps11_of_parse_cb(struct device_node *np, - const struct regulator_desc *desc, - struct regulator_config *config) +static int s2mps11_of_parse_gpiod(struct device_node *np, + const struct regulator_desc *desc, + struct regulator_config *config) { - const struct s2mps11_info *s2mps11 =3D config->driver_data; struct gpio_desc *ena_gpiod; int ret; =20 - if (s2mps11->dev_type =3D=3D S2MPS14X) - switch (desc->id) { - case S2MPS14_LDO10: - case S2MPS14_LDO11: - case S2MPS14_LDO12: - break; - - default: - return 0; - } - else - return 0; - ena_gpiod =3D fwnode_gpiod_get_index(of_fwnode_handle(np), "samsung,ext-control", 0, GPIOD_OUT_HIGH | @@ -380,6 +366,28 @@ static int s2mps11_of_parse_cb(struct device_node *np, return 0; } =20 +static int s2mps11_of_parse_cb(struct device_node *np, + const struct regulator_desc *desc, + struct regulator_config *config) +{ + const struct s2mps11_info *s2mps11 =3D config->driver_data; + + if (s2mps11->dev_type =3D=3D S2MPS14X) + switch (desc->id) { + case S2MPS14_LDO10: + case S2MPS14_LDO11: + case S2MPS14_LDO12: + break; + + default: + return 0; + } + else + return 0; + + return s2mps11_of_parse_gpiod(np, desc, config); +} + static const struct regulator_ops s2mps11_ldo_ops =3D { .list_voltage =3D regulator_list_voltage_linear, .map_voltage =3D regulator_map_voltage_linear, @@ -903,10 +911,16 @@ static const struct regulator_desc s2mps15_regulators= [] =3D { }; =20 static int s2mps14_pmic_enable_ext_control(struct s2mps11_info *s2mps11, - struct regulator_dev *rdev) + struct regulator_dev *rdev) { - return regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, - rdev->desc->enable_mask, S2MPS14_ENABLE_EXT_CONTROL); + int ret =3D regmap_update_bits(rdev->regmap, rdev->desc->enable_reg, + rdev->desc->enable_mask, + S2MPS14_ENABLE_EXT_CONTROL); + if (ret < 0) + return dev_err_probe(rdev_get_dev(rdev), ret, + "failed to enable GPIO control over %d/%s\n", + rdev->desc->id, rdev->desc->name); + return 0; } =20 static int s2mpu02_set_ramp_delay(struct regulator_dev *rdev, int ramp_del= ay) @@ -1244,6 +1258,26 @@ static const struct regulator_desc s2mpu05_regulator= s[] =3D { regulator_desc_s2mpu05_buck45(5), }; =20 +static int s2mps11_handle_ext_control(struct s2mps11_info *s2mps11, + struct regulator_dev *rdev) +{ + int ret; + + switch (s2mps11->dev_type) { + case S2MPS14X: + if (!rdev->ena_pin) + return 0; + + ret =3D s2mps14_pmic_enable_ext_control(s2mps11, rdev); + break; + + default: + return 0; + } + + return ret; +} + static int s2mps11_pmic_probe(struct platform_device *pdev) { struct sec_pmic_dev *iodev =3D dev_get_drvdata(pdev->dev.parent); @@ -1314,15 +1348,9 @@ static int s2mps11_pmic_probe(struct platform_device= *pdev) regulators[i].id, regulators[i].name); =20 - if (regulator->ena_pin) { - ret =3D s2mps14_pmic_enable_ext_control(s2mps11, - regulator); - if (ret < 0) - return dev_err_probe(&pdev->dev, ret, - "failed to enable GPIO control over %d/%s\n", - regulator->desc->id, - regulator->desc->name); - } + ret =3D s2mps11_handle_ext_control(s2mps11, regulator); + if (ret < 0) + return ret; } =20 return 0; --=20 2.49.0.1204.g71687c7c1d-goog