From patchwork Fri Feb 28 19:37:14 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kaustabh Chakraborty X-Patchwork-Id: 13996972 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 142D11F874A; Fri, 28 Feb 2025 19:37:46 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740771467; cv=none; b=kU+P0k0c2RWPW/x02dd99kAT03Oc0/CSAp2KF/5RHAenfbnhBxzTY15OqyCM0TCBrwfBbRHIy94A9eGA9iv4+WxW16VW/EdOgOnf8TYRGuoDvmSQUg1i2gVvHwtXr2fBhTJGGx1R15aIoMHaZcJmSBpkOd9gJXecWVi4tN2Ewd8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1740771467; c=relaxed/simple; bh=eB1gsZD2DSN4Ff4YspewxYxKM5mr6nebt/VLFpodtwU=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=XKJZvNoK9UXjFuFA2cyQdgYQlnZJ5cUHTerh//lLzImrOSNGu5NMPG85BNQ0FaqgswTo3Top9x9YW5JfT8xOfqH/HlNvh9ardo8Rx+DcxSm6yg01oPnOSiD8aJ0OEswMS3WGTOmpA/bzJCWZ9K7214rshkm7DUwNUstfU7SC0ks= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=I0tyKKy4; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="I0tyKKy4" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id D2BC725C64; Fri, 28 Feb 2025 20:37:44 +0100 (CET) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavis, port 10024) with ESMTP id yIDkS_j8q-2d; Fri, 28 Feb 2025 20:37:44 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1740771464; bh=eB1gsZD2DSN4Ff4YspewxYxKM5mr6nebt/VLFpodtwU=; h=From:Date:Subject:References:In-Reply-To:To:Cc; b=I0tyKKy4UXMMV/vYcruenf5B3W6zcr6G40+ckiSV+NFQ7ekJAm4DtBbhiWjKH70Gw nggwP5W1oswH0frJJ8eDx7+fU1O7eJg7/UIYG7JZTFHr2eXumeLDyN1gDDsDcDiupY 5ANclSWLB7qXXaGe0V32x/9WCe14o8YuKAVtS1au1uF86eiOONfAacyhU5rlFwyzkf VEDRyLbR4MCwGX7fL1w2r/JspXsxLuUKm6eMaNfzqukOXShBRbWPweggbm2eCSVVrl pUZfGNjp6NZr4ZyuEWKZec4PuTxcwTKR0FWQnVkxhzMGBOqNfv2qCBqIzkhCOHye/+ NwKSJ784cCXUQ== From: Kaustabh Chakraborty Date: Sat, 01 Mar 2025 01:07:14 +0530 Subject: [PATCH v3 3/3] regulator: s2mps11: Add support for S2MPU05 regulators Precedence: bulk X-Mailing-List: linux-samsung-soc@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20250301-exynos7870-pmic-regulators-v3-3-808d0b47a564@disroot.org> References: <20250301-exynos7870-pmic-regulators-v3-0-808d0b47a564@disroot.org> In-Reply-To: <20250301-exynos7870-pmic-regulators-v3-0-808d0b47a564@disroot.org> To: Krzysztof Kozlowski , Liam Girdwood , Mark Brown , Rob Herring , Conor Dooley , Lee Jones Cc: linux-kernel@vger.kernel.org, linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org, Kaustabh Chakraborty X-Developer-Signature: v=1; a=ed25519-sha256; t=1740771440; l=6589; i=kauschluss@disroot.org; s=20250202; h=from:subject:message-id; bh=eB1gsZD2DSN4Ff4YspewxYxKM5mr6nebt/VLFpodtwU=; b=qPbNuu+PKm/kZ8lIRg0PQvZuqWoKgfU//lmX7XOH1Kjc46Z5HGK/Gl7uGLGQRVeC1xZ0HwyOi +QZuJZVoUAvBN/MZNjsffKFunlvFJM4IEPiYPhybdJwQjhSk/LClOBi X-Developer-Key: i=kauschluss@disroot.org; a=ed25519; pk=h2xeR+V2I1+GrfDPAhZa3M+NWA0Cnbdkkq1bH3ct1hE= S2MPU05 is a PMIC by manufactured by Samsung, particularly used in Exynos7870 based devices. Add driver support for controlling its 21 LDO and 5 BUCK regulators. Signed-off-by: Kaustabh Chakraborty Acked-by: Mark Brown Reviewed-by: Krzysztof Kozlowski --- drivers/regulator/Kconfig | 4 +- drivers/regulator/s2mps11.c | 92 ++++++++++++++++++++++++++++++++++++++++++++- 2 files changed, 93 insertions(+), 3 deletions(-) diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 39297f7d8177193e51c99bc2b360c6d9936e62fe..e47ef257696e2ff3745affa1a403a29f086a2833 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -1330,10 +1330,10 @@ config REGULATOR_S2MPA01 via I2C bus. S2MPA01 has 10 Bucks and 26 LDO outputs. config REGULATOR_S2MPS11 - tristate "Samsung S2MPS11/13/14/15/S2MPU02 voltage regulator" + tristate "Samsung S2MPS11/13/14/15/S2MPU02/05 voltage regulator" depends on MFD_SEC_CORE || COMPILE_TEST help - This driver supports a Samsung S2MPS11/13/14/15/S2MPU02 voltage + This driver supports a Samsung S2MPS11/13/14/15/S2MPU02/05 voltage output regulator via I2C bus. The chip is comprised of high efficient Buck converters including Dual-Phase Buck converter, Buck-Boost converter, various LDOs. diff --git a/drivers/regulator/s2mps11.c b/drivers/regulator/s2mps11.c index 7dcf92af8f15e63fb634d978fba41df0ca09fd65..04ae9c6150bd5ae9dba47b9b3cfcfb62e4698b6d 100644 --- a/drivers/regulator/s2mps11.c +++ b/drivers/regulator/s2mps11.c @@ -21,6 +21,7 @@ #include #include #include +#include /* The highest number of possible regulators for supported devices. */ #define S2MPS_REGULATOR_MAX S2MPS13_REGULATOR_MAX @@ -254,6 +255,9 @@ static int s2mps11_regulator_enable(struct regulator_dev *rdev) else val = rdev->desc->enable_mask; break; + case S2MPU05: + val = rdev->desc->enable_mask; + break; default: return -EINVAL; } @@ -1118,6 +1122,86 @@ static const struct regulator_desc s2mpu02_regulators[] = { regulator_desc_s2mpu02_buck7(7), }; +#define regulator_desc_s2mpu05_ldo_reg(num, min, step, reg) { \ + .name = "ldo"#num, \ + .id = S2MPU05_LDO##num, \ + .ops = &s2mpu02_ldo_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .min_uV = min, \ + .uV_step = step, \ + .n_voltages = S2MPU05_LDO_N_VOLTAGES, \ + .vsel_reg = reg, \ + .vsel_mask = S2MPU05_LDO_VSEL_MASK, \ + .enable_reg = reg, \ + .enable_mask = S2MPU05_ENABLE_MASK, \ + .enable_time = S2MPU05_ENABLE_TIME_LDO \ +} + +#define regulator_desc_s2mpu05_ldo(num, reg, min, step) \ + regulator_desc_s2mpu05_ldo_reg(num, min, step, S2MPU05_REG_L##num##reg) + +#define regulator_desc_s2mpu05_ldo1(num, reg) \ + regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP1) + +#define regulator_desc_s2mpu05_ldo2(num, reg) \ + regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN1, S2MPU05_LDO_STEP2) + +#define regulator_desc_s2mpu05_ldo3(num, reg) \ + regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN2, S2MPU05_LDO_STEP2) + +#define regulator_desc_s2mpu05_ldo4(num, reg) \ + regulator_desc_s2mpu05_ldo(num, reg, S2MPU05_LDO_MIN3, S2MPU05_LDO_STEP2) + +#define regulator_desc_s2mpu05_buck(num, which) { \ + .name = "buck"#num, \ + .id = S2MPU05_BUCK##num, \ + .ops = &s2mpu02_buck_ops, \ + .type = REGULATOR_VOLTAGE, \ + .owner = THIS_MODULE, \ + .min_uV = S2MPU05_BUCK_MIN##which, \ + .uV_step = S2MPU05_BUCK_STEP##which, \ + .n_voltages = S2MPU05_BUCK_N_VOLTAGES, \ + .vsel_reg = S2MPU05_REG_B##num##CTRL2, \ + .vsel_mask = S2MPU05_BUCK_VSEL_MASK, \ + .enable_reg = S2MPU05_REG_B##num##CTRL1, \ + .enable_mask = S2MPU05_ENABLE_MASK, \ + .enable_time = S2MPU05_ENABLE_TIME_BUCK##num \ +} + +#define regulator_desc_s2mpu05_buck123(num) regulator_desc_s2mpu05_buck(num, 1) +#define regulator_desc_s2mpu05_buck45(num) regulator_desc_s2mpu05_buck(num, 2) + +static const struct regulator_desc s2mpu05_regulators[] = { + regulator_desc_s2mpu05_ldo4(1, CTRL), + regulator_desc_s2mpu05_ldo3(2, CTRL), + regulator_desc_s2mpu05_ldo2(3, CTRL), + regulator_desc_s2mpu05_ldo1(4, CTRL), + regulator_desc_s2mpu05_ldo1(5, CTRL), + regulator_desc_s2mpu05_ldo1(6, CTRL), + regulator_desc_s2mpu05_ldo2(7, CTRL), + regulator_desc_s2mpu05_ldo3(8, CTRL), + regulator_desc_s2mpu05_ldo4(9, CTRL1), + regulator_desc_s2mpu05_ldo4(10, CTRL), + /* LDOs 11-24 are used for CP. They aren't documented. */ + regulator_desc_s2mpu05_ldo2(25, CTRL), + regulator_desc_s2mpu05_ldo3(26, CTRL), + regulator_desc_s2mpu05_ldo2(27, CTRL), + regulator_desc_s2mpu05_ldo3(28, CTRL), + regulator_desc_s2mpu05_ldo3(29, CTRL), + regulator_desc_s2mpu05_ldo2(30, CTRL), + regulator_desc_s2mpu05_ldo3(31, CTRL), + regulator_desc_s2mpu05_ldo3(32, CTRL), + regulator_desc_s2mpu05_ldo3(33, CTRL), + regulator_desc_s2mpu05_ldo3(34, CTRL), + regulator_desc_s2mpu05_ldo3(35, CTRL), + regulator_desc_s2mpu05_buck123(1), + regulator_desc_s2mpu05_buck123(2), + regulator_desc_s2mpu05_buck123(3), + regulator_desc_s2mpu05_buck45(4), + regulator_desc_s2mpu05_buck45(5), +}; + static int s2mps11_pmic_probe(struct platform_device *pdev) { struct sec_pmic_dev *iodev = dev_get_drvdata(pdev->dev.parent); @@ -1159,6 +1243,11 @@ static int s2mps11_pmic_probe(struct platform_device *pdev) regulators = s2mpu02_regulators; BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu02_regulators)); break; + case S2MPU05: + rdev_num = ARRAY_SIZE(s2mpu05_regulators); + regulators = s2mpu05_regulators; + BUILD_BUG_ON(S2MPS_REGULATOR_MAX < ARRAY_SIZE(s2mpu05_regulators)); + break; default: dev_err(&pdev->dev, "Invalid device type: %u\n", s2mps11->dev_type); @@ -1228,6 +1317,7 @@ static const struct platform_device_id s2mps11_pmic_id[] = { { "s2mps14-regulator", S2MPS14X}, { "s2mps15-regulator", S2MPS15X}, { "s2mpu02-regulator", S2MPU02}, + { "s2mpu05-regulator", S2MPU05}, { }, }; MODULE_DEVICE_TABLE(platform, s2mps11_pmic_id); @@ -1245,5 +1335,5 @@ module_platform_driver(s2mps11_pmic_driver); /* Module information */ MODULE_AUTHOR("Sangbeom Kim "); -MODULE_DESCRIPTION("Samsung S2MPS11/S2MPS14/S2MPS15/S2MPU02 Regulator Driver"); +MODULE_DESCRIPTION("Samsung S2MPS11/14/15/S2MPU02/05 Regulator Driver"); MODULE_LICENSE("GPL");