From patchwork Wed Jan 20 18:23:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 12033591 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.9 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNWANTED_LANGUAGE_BODY, URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0B316C433E6 for ; Wed, 20 Jan 2021 19:56:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id ABCFE23441 for ; Wed, 20 Jan 2021 19:56:05 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387552AbhATSoH (ORCPT ); Wed, 20 Jan 2021 13:44:07 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47210 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2404247AbhATSYZ (ORCPT ); Wed, 20 Jan 2021 13:24:25 -0500 Received: from mail-ej1-x62a.google.com (mail-ej1-x62a.google.com [IPv6:2a00:1450:4864:20::62a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3BE42C0613D3; Wed, 20 Jan 2021 10:23:45 -0800 (PST) Received: by mail-ej1-x62a.google.com with SMTP id 6so34881582ejz.5; Wed, 20 Jan 2021 10:23:45 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=zjysMj1NK+CcJzMU0HzfR1EwQC/vwxIvvc2JgIoLgzw=; b=XM9jXdmsTAVmI2P8o06dTRfIyhkPrVYCJvXArfpLME3M0/7sdmoMtv+eoIo4964H28 VB29JbRtTziGIrVOTGwIMH7t6M14SFz4D6eJC386GgYq5vCAFgkuS6HCcJA3S51U5aHQ 12ZnqdDWvN6D3qnMxeRwqa2zoGLnp0Ah6BW3q73VDqX9CDsXqe/kqrvz93ihqVfVDmu+ EjqXwo4GaAt/v1CDSaOUSaQZ7SgK9QpXoF/q+K8LlRJbQvraioT91vpi30/ToF67cMbH ANMTros5DPBBGwKzduI28BJbrkcRGOrf5KX4RWbgr9WDJZrZTqVfxT/2Po1Br+zJU/z7 Dn3Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=zjysMj1NK+CcJzMU0HzfR1EwQC/vwxIvvc2JgIoLgzw=; b=Tmjmc/42G1P2GR+Ym50ZsL8bTyktphGowan7s2OMKdFZsb1gd5vD2AMDi7M8PIswPW Wg6mcHPVlBJYV1dfWx0fHx+izRnpiPfRW8qP8yLgkY7hteJPrOXrsqDEX4A/kUYp5hvq gzXq5GUAugHUN1IQQiUlDNdu+dppFPy5doH+mvI7r0nndYtICMyBiQWEq8XPO00g7HWu JuelK+t1C5cVYe6SBDpY6sTO1P0qsgLJj2soZz05FDr06W2SNjcYH4SLHBXKiOu098jA lJYjmTZ6mfTtthA/rUsbUdBXLkumSLnHPo3UeGHjckaVcD89xmLnMjowGkL20GFdFy4C 8LJQ== X-Gm-Message-State: AOAM531Cslaz49xt69tHvblO1sBAvKv1uSwq5tfCrn/CZ3FW22K3pGlG JxO+VVIM2XJk+B8H3t/pmV8= X-Google-Smtp-Source: ABdhPJztISZ0dR6kSgRPQTU/tML/9gWdDgmlTH32Ftw9PofT+qW3tS3XFcN7xq25efMS3MlSjesVrw== X-Received: by 2002:a17:906:d19b:: with SMTP id c27mr7005773ejz.234.1611167023928; Wed, 20 Jan 2021 10:23:43 -0800 (PST) Received: from localhost.localdomain ([188.24.159.61]) by smtp.gmail.com with ESMTPSA id hr31sm1158332ejc.125.2021.01.20.10.23.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 20 Jan 2021 10:23:43 -0800 (PST) From: Cristian Ciocaltea To: Lee Jones , Mark Brown , Rob Herring , Dmitry Torokhov , Sebastian Reichel Cc: Manivannan Sadhasivam , Liam Girdwood , =?utf-8?q?Andreas_F=C3=A4rber?= , Linus Walleij , linux-actions@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-input@vger.kernel.org, linux-pm@vger.kernel.org Subject: [PATCH v6 4/7] regulator: Add regulator driver for ATC260x PMICs Date: Wed, 20 Jan 2021 20:23:29 +0200 Message-Id: <3f48e9f8114cac0557abca88d4437849423793bb.1611165200.git.cristian.ciocaltea@gmail.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-input@vger.kernel.org Add support for the DC-DC converters and LDO regulators found in the ATC2603C and ATC2609A chip variants of the Actions Semi ATC260x family of PMICs. Co-developed-by: Manivannan Sadhasivam Signed-off-by: Manivannan Sadhasivam Signed-off-by: Cristian Ciocaltea --- Changes in v6: - None Changes in v5: - None Changes in v4 - Included the ATC2603C's LDO12 fixed regulator per Mark's suggestion Changes in v3: - Dropped 'last_dcdc_reg_id' from 'atc260x_regulator_data' and, instead, provided separate ops for DCDCs and LDOs, as recommended by Mark - Removed the unnecessary compatibles, per Mark's review - Added 'Co-developed-by' tag in commit message and dropped [cristian: ...] line drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/atc260x-regulator.c | 539 ++++++++++++++++++++++++++ 3 files changed, 548 insertions(+) create mode 100644 drivers/regulator/atc260x-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index 5abdd29fb9f3..6b1accaaed72 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -179,6 +179,14 @@ config REGULATOR_AS3722 AS3722 PMIC. This will enable support for all the software controllable DCDC/LDO regulators. +config REGULATOR_ATC260X + tristate "Actions Semi ATC260x PMIC Regulators" + depends on MFD_ATC260X + help + This driver provides support for the voltage regulators on the + ATC260x PMICs. This will enable support for all the software + controllable DCDC/LDO regulators. + config REGULATOR_AXP20X tristate "X-POWERS AXP20X PMIC Regulators" depends on MFD_AXP20X diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile index 680e539f6579..36a069f36346 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -27,6 +27,7 @@ obj-$(CONFIG_REGULATOR_ARIZONA_MICSUPP) += arizona-micsupp.o obj-$(CONFIG_REGULATOR_ARM_SCMI) += scmi-regulator.o obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o obj-$(CONFIG_REGULATOR_AS3722) += as3722-regulator.o +obj-$(CONFIG_REGULATOR_ATC260X) += atc260x-regulator.o obj-$(CONFIG_REGULATOR_AXP20X) += axp20x-regulator.o obj-$(CONFIG_REGULATOR_BCM590XX) += bcm590xx-regulator.o obj-$(CONFIG_REGULATOR_BD70528) += bd70528-regulator.o diff --git a/drivers/regulator/atc260x-regulator.c b/drivers/regulator/atc260x-regulator.c new file mode 100644 index 000000000000..d8b429955d33 --- /dev/null +++ b/drivers/regulator/atc260x-regulator.c @@ -0,0 +1,539 @@ +// SPDX-License-Identifier: GPL-2.0+ +// +// Regulator driver for ATC260x PMICs +// +// Copyright (C) 2019 Manivannan Sadhasivam +// Copyright (C) 2020 Cristian Ciocaltea + +#include +#include +#include +#include +#include + +struct atc260x_regulator_data { + int voltage_time_dcdc; + int voltage_time_ldo; +}; + +static const struct linear_range atc2603c_dcdc_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(1300000, 0, 13, 50000), + REGULATOR_LINEAR_RANGE(1950000, 14, 15, 100000), +}; + +static const struct linear_range atc2609a_dcdc_voltage_ranges[] = { + REGULATOR_LINEAR_RANGE(600000, 0, 127, 6250), + REGULATOR_LINEAR_RANGE(1400000, 128, 232, 25000), +}; + +static const struct linear_range atc2609a_ldo_voltage_ranges0[] = { + REGULATOR_LINEAR_RANGE(700000, 0, 15, 100000), + REGULATOR_LINEAR_RANGE(2100000, 16, 28, 100000), +}; + +static const struct linear_range atc2609a_ldo_voltage_ranges1[] = { + REGULATOR_LINEAR_RANGE(850000, 0, 15, 100000), + REGULATOR_LINEAR_RANGE(2100000, 16, 27, 100000), +}; + +static const unsigned int atc260x_ldo_voltage_range_sel[] = { + 0x0, 0x1, +}; + +static int atc260x_dcdc_set_voltage_time_sel(struct regulator_dev *rdev, + unsigned int old_selector, + unsigned int new_selector) +{ + struct atc260x_regulator_data *data = rdev_get_drvdata(rdev); + + if (new_selector > old_selector) + return data->voltage_time_dcdc; + + return 0; +} + +static int atc260x_ldo_set_voltage_time_sel(struct regulator_dev *rdev, + unsigned int old_selector, + unsigned int new_selector) +{ + struct atc260x_regulator_data *data = rdev_get_drvdata(rdev); + + if (new_selector > old_selector) + return data->voltage_time_ldo; + + return 0; +} + +static const struct regulator_ops atc260x_dcdc_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel, +}; + +static const struct regulator_ops atc260x_ldo_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, +}; + +static const struct regulator_ops atc260x_ldo_bypass_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, + .set_bypass = regulator_set_bypass_regmap, + .get_bypass = regulator_get_bypass_regmap, +}; + +static const struct regulator_ops atc260x_ldo_bypass_discharge_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, + .set_bypass = regulator_set_bypass_regmap, + .get_bypass = regulator_get_bypass_regmap, + .set_active_discharge = regulator_set_active_discharge_regmap, +}; + +static const struct regulator_ops atc260x_dcdc_range_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel, +}; + +static const struct regulator_ops atc260x_ldo_range_pick_ops = { + .enable = regulator_enable_regmap, + .disable = regulator_disable_regmap, + .is_enabled = regulator_is_enabled_regmap, + .list_voltage = regulator_list_voltage_pickable_linear_range, + .set_voltage_sel = regulator_set_voltage_sel_pickable_regmap, + .get_voltage_sel = regulator_get_voltage_sel_pickable_regmap, + .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, +}; + +static const struct regulator_ops atc260x_dcdc_fixed_ops = { + .list_voltage = regulator_list_voltage_linear, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = atc260x_dcdc_set_voltage_time_sel, +}; + +static const struct regulator_ops atc260x_ldo_fixed_ops = { + .list_voltage = regulator_list_voltage_linear, + .set_voltage_sel = regulator_set_voltage_sel_regmap, + .get_voltage_sel = regulator_get_voltage_sel_regmap, + .set_voltage_time_sel = atc260x_ldo_set_voltage_time_sel, +}; + +static const struct regulator_ops atc260x_no_ops = { +}; + +/* + * Note LDO8 is not documented in datasheet (v2.4), but supported + * in the vendor's driver implementation (xapp-le-kernel). + */ +enum atc2603c_reg_ids { + ATC2603C_ID_DCDC1, + ATC2603C_ID_DCDC2, + ATC2603C_ID_DCDC3, + ATC2603C_ID_LDO1, + ATC2603C_ID_LDO2, + ATC2603C_ID_LDO3, + ATC2603C_ID_LDO5, + ATC2603C_ID_LDO6, + ATC2603C_ID_LDO7, + ATC2603C_ID_LDO8, + ATC2603C_ID_LDO11, + ATC2603C_ID_LDO12, + ATC2603C_ID_SWITCHLDO1, + ATC2603C_ID_MAX, +}; + +#define atc2603c_reg_desc_dcdc(num, min, step, n_volt, vsel_h, vsel_l) { \ + .name = "DCDC"#num, \ + .supply_name = "dcdc"#num, \ + .of_match = of_match_ptr("dcdc"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2603C_ID_DCDC##num, \ + .ops = &atc260x_dcdc_ops, \ + .type = REGULATOR_VOLTAGE, \ + .min_uV = min, \ + .uV_step = step, \ + .n_voltages = n_volt, \ + .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \ + .vsel_mask = GENMASK(vsel_h, vsel_l), \ + .enable_reg = ATC2603C_PMU_DC##num##_CTL0, \ + .enable_mask = BIT(15), \ + .enable_time = 800, \ + .owner = THIS_MODULE, \ +} + +#define atc2603c_reg_desc_dcdc_range(num, vsel_h, vsel_l) { \ + .name = "DCDC"#num, \ + .supply_name = "dcdc"#num, \ + .of_match = of_match_ptr("dcdc"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2603C_ID_DCDC##num, \ + .ops = &atc260x_dcdc_range_ops, \ + .type = REGULATOR_VOLTAGE, \ + .n_voltages = 16, \ + .linear_ranges = atc2603c_dcdc_voltage_ranges, \ + .n_linear_ranges = ARRAY_SIZE(atc2603c_dcdc_voltage_ranges), \ + .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \ + .vsel_mask = GENMASK(vsel_h, vsel_l), \ + .enable_reg = ATC2603C_PMU_DC##num##_CTL0, \ + .enable_mask = BIT(15), \ + .enable_time = 800, \ + .owner = THIS_MODULE, \ +} + +#define atc2603c_reg_desc_dcdc_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \ + .name = "DCDC"#num, \ + .supply_name = "dcdc"#num, \ + .of_match = of_match_ptr("dcdc"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2603C_ID_DCDC##num, \ + .ops = &atc260x_dcdc_fixed_ops, \ + .type = REGULATOR_VOLTAGE, \ + .min_uV = min, \ + .uV_step = step, \ + .n_voltages = n_volt, \ + .vsel_reg = ATC2603C_PMU_DC##num##_CTL0, \ + .vsel_mask = GENMASK(vsel_h, vsel_l), \ + .enable_time = 800, \ + .owner = THIS_MODULE, \ +} + +#define atc2603c_reg_desc_ldo(num, min, step, n_volt, vsel_h, vsel_l) { \ + .name = "LDO"#num, \ + .supply_name = "ldo"#num, \ + .of_match = of_match_ptr("ldo"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2603C_ID_LDO##num, \ + .ops = &atc260x_ldo_ops, \ + .type = REGULATOR_VOLTAGE, \ + .min_uV = min, \ + .uV_step = step, \ + .n_voltages = n_volt, \ + .vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \ + .vsel_mask = GENMASK(vsel_h, vsel_l), \ + .enable_reg = ATC2603C_PMU_LDO##num##_CTL, \ + .enable_mask = BIT(0), \ + .enable_time = 2000, \ + .owner = THIS_MODULE, \ +} + +#define atc2603c_reg_desc_ldo_fixed(num, min, step, n_volt, vsel_h, vsel_l) { \ + .name = "LDO"#num, \ + .supply_name = "ldo"#num, \ + .of_match = of_match_ptr("ldo"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2603C_ID_LDO##num, \ + .ops = &atc260x_ldo_fixed_ops, \ + .type = REGULATOR_VOLTAGE, \ + .min_uV = min, \ + .uV_step = step, \ + .n_voltages = n_volt, \ + .vsel_reg = ATC2603C_PMU_LDO##num##_CTL, \ + .vsel_mask = GENMASK(vsel_h, vsel_l), \ + .enable_time = 2000, \ + .owner = THIS_MODULE, \ +} + +#define atc2603c_reg_desc_ldo_noops(num, vfixed) { \ + .name = "LDO"#num, \ + .supply_name = "ldo"#num, \ + .of_match = of_match_ptr("ldo"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2603C_ID_LDO##num, \ + .ops = &atc260x_no_ops, \ + .type = REGULATOR_VOLTAGE, \ + .fixed_uV = vfixed, \ + .n_voltages = 1, \ + .owner = THIS_MODULE, \ +} + +#define atc2603c_reg_desc_ldo_switch(num, min, step, n_volt, vsel_h, vsel_l) { \ + .name = "SWITCHLDO"#num, \ + .supply_name = "switchldo"#num, \ + .of_match = of_match_ptr("switchldo"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2603C_ID_SWITCHLDO##num, \ + .ops = &atc260x_ldo_bypass_discharge_ops, \ + .type = REGULATOR_VOLTAGE, \ + .min_uV = min, \ + .uV_step = step, \ + .n_voltages = n_volt, \ + .vsel_reg = ATC2603C_PMU_SWITCH_CTL, \ + .vsel_mask = GENMASK(vsel_h, vsel_l), \ + .enable_reg = ATC2603C_PMU_SWITCH_CTL, \ + .enable_mask = BIT(15), \ + .enable_is_inverted = true, \ + .enable_time = 2000, \ + .bypass_reg = ATC2603C_PMU_SWITCH_CTL, \ + .bypass_mask = BIT(5), \ + .active_discharge_reg = ATC2603C_PMU_SWITCH_CTL, \ + .active_discharge_mask = BIT(1), \ + .owner = THIS_MODULE, \ +} + +static const struct regulator_desc atc2603c_reg[] = { + atc2603c_reg_desc_dcdc_fixed(1, 700000, 25000, 29, 11, 7), + atc2603c_reg_desc_dcdc_range(2, 12, 8), + atc2603c_reg_desc_dcdc_fixed(3, 2600000, 100000, 8, 11, 9), + atc2603c_reg_desc_ldo_fixed(1, 2600000, 100000, 8, 15, 13), + atc2603c_reg_desc_ldo_fixed(2, 2600000, 100000, 8, 15, 13), + atc2603c_reg_desc_ldo_fixed(3, 1500000, 100000, 6, 15, 13), + atc2603c_reg_desc_ldo(5, 2600000, 100000, 8, 15, 13), + atc2603c_reg_desc_ldo_fixed(6, 700000, 25000, 29, 15, 11), + atc2603c_reg_desc_ldo(7, 1500000, 100000, 6, 15, 13), + atc2603c_reg_desc_ldo(8, 2300000, 100000, 11, 15, 12), + atc2603c_reg_desc_ldo_fixed(11, 2600000, 100000, 8, 15, 13), + atc2603c_reg_desc_ldo_noops(12, 1800000), + atc2603c_reg_desc_ldo_switch(1, 3000000, 100000, 4, 4, 3), +}; + +static const struct regulator_desc atc2603c_reg_dcdc2_ver_b = + atc2603c_reg_desc_dcdc(2, 1000000, 50000, 18, 12, 8); + +enum atc2609a_reg_ids { + ATC2609A_ID_DCDC0, + ATC2609A_ID_DCDC1, + ATC2609A_ID_DCDC2, + ATC2609A_ID_DCDC3, + ATC2609A_ID_DCDC4, + ATC2609A_ID_LDO0, + ATC2609A_ID_LDO1, + ATC2609A_ID_LDO2, + ATC2609A_ID_LDO3, + ATC2609A_ID_LDO4, + ATC2609A_ID_LDO5, + ATC2609A_ID_LDO6, + ATC2609A_ID_LDO7, + ATC2609A_ID_LDO8, + ATC2609A_ID_LDO9, + ATC2609A_ID_MAX, +}; + +#define atc2609a_reg_desc_dcdc(num, en_bit) { \ + .name = "DCDC"#num, \ + .supply_name = "dcdc"#num, \ + .of_match = of_match_ptr("dcdc"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2609A_ID_DCDC##num, \ + .ops = &atc260x_dcdc_ops, \ + .type = REGULATOR_VOLTAGE, \ + .min_uV = 600000, \ + .uV_step = 6250, \ + .n_voltages = 256, \ + .vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \ + .vsel_mask = GENMASK(15, 8), \ + .enable_reg = ATC2609A_PMU_DC_OSC, \ + .enable_mask = BIT(en_bit), \ + .enable_time = 800, \ + .owner = THIS_MODULE, \ +} + +#define atc2609a_reg_desc_dcdc_range(num, en_bit) { \ + .name = "DCDC"#num, \ + .supply_name = "dcdc"#num, \ + .of_match = of_match_ptr("dcdc"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2609A_ID_DCDC##num, \ + .ops = &atc260x_dcdc_range_ops, \ + .type = REGULATOR_VOLTAGE, \ + .n_voltages = 233, \ + .linear_ranges = atc2609a_dcdc_voltage_ranges, \ + .n_linear_ranges = ARRAY_SIZE(atc2609a_dcdc_voltage_ranges), \ + .vsel_reg = ATC2609A_PMU_DC##num##_CTL0, \ + .vsel_mask = GENMASK(15, 8), \ + .enable_reg = ATC2609A_PMU_DC_OSC, \ + .enable_mask = BIT(en_bit), \ + .enable_time = 800, \ + .owner = THIS_MODULE, \ +} + +#define atc2609a_reg_desc_ldo(num) { \ + .name = "LDO"#num, \ + .supply_name = "ldo"#num, \ + .of_match = of_match_ptr("ldo"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2609A_ID_LDO##num, \ + .ops = &atc260x_ldo_ops, \ + .type = REGULATOR_VOLTAGE, \ + .min_uV = 700000, \ + .uV_step = 100000, \ + .n_voltages = 16, \ + .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \ + .vsel_mask = GENMASK(4, 1), \ + .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \ + .enable_mask = BIT(0), \ + .enable_time = 2000, \ + .owner = THIS_MODULE, \ +} + +#define atc2609a_reg_desc_ldo_bypass(num) { \ + .name = "LDO"#num, \ + .supply_name = "ldo"#num, \ + .of_match = of_match_ptr("ldo"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2609A_ID_LDO##num, \ + .ops = &atc260x_ldo_bypass_ops, \ + .type = REGULATOR_VOLTAGE, \ + .min_uV = 2300000, \ + .uV_step = 100000, \ + .n_voltages = 12, \ + .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \ + .vsel_mask = GENMASK(5, 2), \ + .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \ + .enable_mask = BIT(0), \ + .enable_time = 2000, \ + .bypass_reg = ATC2609A_PMU_LDO##num##_CTL0, \ + .bypass_mask = BIT(1), \ + .owner = THIS_MODULE, \ +} + +#define atc2609a_reg_desc_ldo_range_pick(num, n_range) { \ + .name = "LDO"#num, \ + .supply_name = "ldo"#num, \ + .of_match = of_match_ptr("ldo"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2609A_ID_LDO##num, \ + .ops = &atc260x_ldo_range_pick_ops, \ + .type = REGULATOR_VOLTAGE, \ + .linear_ranges = atc2609a_ldo_voltage_ranges##n_range, \ + .n_linear_ranges = ARRAY_SIZE(atc2609a_ldo_voltage_ranges##n_range), \ + .vsel_reg = ATC2609A_PMU_LDO##num##_CTL0, \ + .vsel_mask = GENMASK(4, 1), \ + .vsel_range_reg = ATC2609A_PMU_LDO##num##_CTL0, \ + .vsel_range_mask = BIT(5), \ + .linear_range_selectors = atc260x_ldo_voltage_range_sel, \ + .enable_reg = ATC2609A_PMU_LDO##num##_CTL0, \ + .enable_mask = BIT(0), \ + .enable_time = 2000, \ + .owner = THIS_MODULE, \ +} + +#define atc2609a_reg_desc_ldo_fixed(num) { \ + .name = "LDO"#num, \ + .supply_name = "ldo"#num, \ + .of_match = of_match_ptr("ldo"#num), \ + .regulators_node = of_match_ptr("regulators"), \ + .id = ATC2609A_ID_LDO##num, \ + .ops = &atc260x_ldo_fixed_ops, \ + .type = REGULATOR_VOLTAGE, \ + .min_uV = 2600000, \ + .uV_step = 100000, \ + .n_voltages = 8, \ + .vsel_reg = ATC2609A_PMU_LDO##num##_CTL, \ + .vsel_mask = GENMASK(15, 13), \ + .enable_time = 2000, \ + .owner = THIS_MODULE, \ +} + +static const struct regulator_desc atc2609a_reg[] = { + atc2609a_reg_desc_dcdc(0, 4), + atc2609a_reg_desc_dcdc(1, 5), + atc2609a_reg_desc_dcdc(2, 6), + atc2609a_reg_desc_dcdc_range(3, 7), + atc2609a_reg_desc_dcdc(4, 8), + atc2609a_reg_desc_ldo_bypass(0), + atc2609a_reg_desc_ldo_bypass(1), + atc2609a_reg_desc_ldo_bypass(2), + atc2609a_reg_desc_ldo_range_pick(3, 0), + atc2609a_reg_desc_ldo_range_pick(4, 0), + atc2609a_reg_desc_ldo(5), + atc2609a_reg_desc_ldo_range_pick(6, 1), + atc2609a_reg_desc_ldo_range_pick(7, 0), + atc2609a_reg_desc_ldo_range_pick(8, 0), + atc2609a_reg_desc_ldo_fixed(9), +}; + +static int atc260x_regulator_probe(struct platform_device *pdev) +{ + struct atc260x *atc260x = dev_get_drvdata(pdev->dev.parent); + struct device *dev = atc260x->dev; + struct atc260x_regulator_data *atc260x_data; + struct regulator_config config = {}; + struct regulator_dev *atc260x_rdev; + const struct regulator_desc *regulators; + bool atc2603c_ver_b = false; + int i, nregulators; + + atc260x_data = devm_kzalloc(&pdev->dev, sizeof(*atc260x_data), GFP_KERNEL); + if (!atc260x_data) + return -ENOMEM; + + atc260x_data->voltage_time_dcdc = 350; + atc260x_data->voltage_time_ldo = 800; + + switch (atc260x->ic_type) { + case ATC2603C: + regulators = atc2603c_reg; + nregulators = ATC2603C_ID_MAX; + atc2603c_ver_b = atc260x->ic_ver == ATC260X_B; + break; + case ATC2609A: + atc260x_data->voltage_time_dcdc = 250; + regulators = atc2609a_reg; + nregulators = ATC2609A_ID_MAX; + break; + default: + dev_err(dev, "unsupported ATC260X ID %d\n", atc260x->ic_type); + return -EINVAL; + } + + config.dev = dev; + config.regmap = atc260x->regmap; + config.driver_data = atc260x_data; + + /* Instantiate the regulators */ + for (i = 0; i < nregulators; i++) { + if (atc2603c_ver_b && regulators[i].id == ATC2603C_ID_DCDC2) + atc260x_rdev = devm_regulator_register(&pdev->dev, + &atc2603c_reg_dcdc2_ver_b, + &config); + else + atc260x_rdev = devm_regulator_register(&pdev->dev, + ®ulators[i], + &config); + if (IS_ERR(atc260x_rdev)) { + dev_err(dev, "failed to register regulator: %d\n", i); + return PTR_ERR(atc260x_rdev); + } + } + + return 0; +} + +static struct platform_driver atc260x_regulator_driver = { + .probe = atc260x_regulator_probe, + .driver = { + .name = "atc260x-regulator", + }, +}; + +module_platform_driver(atc260x_regulator_driver); + +MODULE_DESCRIPTION("Regulator driver for ATC260x PMICs"); +MODULE_AUTHOR("Manivannan Sadhasivam "); +MODULE_AUTHOR("Cristian Ciocaltea "); +MODULE_LICENSE("GPL");