From patchwork Fri Aug 21 22:19:49 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Cristian Ciocaltea X-Patchwork-Id: 256985 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=-12.6 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, 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 46B4DC433E5 for ; Fri, 21 Aug 2020 22:20:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 16B42207C3 for ; Fri, 21 Aug 2020 22:20:23 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="NEfS9CLv" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727005AbgHUWUJ (ORCPT ); Fri, 21 Aug 2020 18:20:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726989AbgHUWUD (ORCPT ); Fri, 21 Aug 2020 18:20:03 -0400 Received: from mail-ej1-x642.google.com (mail-ej1-x642.google.com [IPv6:2a00:1450:4864:20::642]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5FCA6C061574; Fri, 21 Aug 2020 15:20:00 -0700 (PDT) Received: by mail-ej1-x642.google.com with SMTP id md23so3520160ejb.6; Fri, 21 Aug 2020 15:20:00 -0700 (PDT) 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=1+7Vz0WM2n9pN8XBGtRUIlaxJLOemOL1TB+wrmuukB0=; b=NEfS9CLv0kqN5uOX1BFiNkVtIV1ze38tHZMDUrK+fwcMYToBa1FL3rfDBl8VjzF+0U AjIDwECdIjuz/FHKv8NbvJ5kQFCU6rJC50mv8UijqpcCDRpB5/WGOhQsE3u+tvST4/S1 7imRpsGCDuuvg/x78WIpgjGtULAxSAOm5oUg/lnv5ORQ7TLFd+H3d718Om6cbR5FdYl5 b7AL9GJal6b3c56vEvwhXMzBEXVe7lDwszQd2awzRJgNNuzsMLPrj2SxYc1PmSpgK4c0 jYVS3eCNL+8qqtI39n/vpE2EcSNJDUAjsc2hY4BGfeg6SlNMN2FjLiXZk4x/6Qir2F+3 VWKw== 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=1+7Vz0WM2n9pN8XBGtRUIlaxJLOemOL1TB+wrmuukB0=; b=RHqQzVs1clFJJ4WLwLU+S33slQVB7OI9uyokN5XO6/xh/PICq03K1l1PbqFlD016ek CHyYWFO1w0GUKpFSErQ6WKJoaYfzS9PesArUk5acWCGHKzD8qfKuqKKePoIEU+2samV3 WJUat2OadnLIOU85/OmgFK2pu2IBQ5sJn/BAVlcUGzmRIElVWAf39mQpNBvMzs2GqRKI D2Z9DSMEbw4WlBp0i5J1PhDxva61hbXUMXGtZo1yFYX9Vqmgzhs/42nZiwHJDfIfGf+d jIIBQXaTmNmxS9PN+IgBYda/8FZTNTfW495Btc4pT1FVNJc1QvUpItAUfisf6txqRfDT CtHg== X-Gm-Message-State: AOAM531RYUBV1SnIpMQnXzrnqK3hhuPLp+q5PhLiPsPUX/e3RhvzpWFB zpjt7D4SwibNck1q2WgQfdg= X-Google-Smtp-Source: ABdhPJwYsUn8nkKOaYpQlKL4Vqo97FJkf/688PY7asxP/fhc/1jc3GQxpnaVSHn5Ytu6P4xoXtixjA== X-Received: by 2002:a17:906:38c7:: with SMTP id r7mr5240465ejd.118.1598048398963; Fri, 21 Aug 2020 15:19:58 -0700 (PDT) Received: from localhost.localdomain ([188.24.159.61]) by smtp.gmail.com with ESMTPSA id p23sm1780147edm.31.2020.08.21.15.19.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 21 Aug 2020 15:19:58 -0700 (PDT) From: Cristian Ciocaltea To: Lee Jones , Rob Herring , Dmitry Torokhov , Sebastian Reichel , Liam Girdwood , Mark Brown Cc: Manivannan Sadhasivam , =?utf-8?q?An?= =?utf-8?q?dreas_F=C3=A4rber?= , 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 v2 3/6] regulator: Add regulator driver for ATC260x PMICs Date: Sat, 22 Aug 2020 01:19:49 +0300 Message-Id: <8da70f0b19de17fb8edead7ff06461ae2451b0e9.1598043782.git.cristian.ciocaltea@gmail.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: References: MIME-Version: 1.0 Sender: linux-pm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org This driver supports the DC-DC converters and LDO regulators found in the ATC2603C and ATC2609A chip variants of the Actions Semi ATC260x family of PMICs. Signed-off-by: Manivannan Sadhasivam [cristian: add ATC2603C variant, more regulator capabilities, cleanups] Signed-off-by: Cristian Ciocaltea --- drivers/regulator/Kconfig | 8 + drivers/regulator/Makefile | 1 + drivers/regulator/atc260x-regulator.c | 511 ++++++++++++++++++++++++++ 3 files changed, 520 insertions(+) create mode 100644 drivers/regulator/atc260x-regulator.c diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig index de17ef7e18f0..860e46798503 100644 --- a/drivers/regulator/Kconfig +++ b/drivers/regulator/Kconfig @@ -170,6 +170,14 @@ 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 d8d3ecf526a8..181ff77ee23c 100644 --- a/drivers/regulator/Makefile +++ b/drivers/regulator/Makefile @@ -26,6 +26,7 @@ obj-$(CONFIG_REGULATOR_ARIZONA_LDO1) += arizona-ldo1.o obj-$(CONFIG_REGULATOR_ARIZONA_MICSUPP) += arizona-micsupp.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..7fab56cb80df --- /dev/null +++ b/drivers/regulator/atc260x-regulator.c @@ -0,0 +1,511 @@ +// 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 last_dcdc_reg_id; + 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_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); + int id = rdev_get_id(rdev); + + if (new_selector > old_selector) + return id > data->last_dcdc_reg_id ? data->voltage_time_ldo + : data->voltage_time_dcdc; + + return 0; +} + +static const struct regulator_ops atc260x_reg_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_set_voltage_time_sel, +}; + +static const struct regulator_ops atc260x_reg_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_set_voltage_time_sel, + .set_bypass = regulator_set_bypass_regmap, + .get_bypass = regulator_get_bypass_regmap, +}; + +static const struct regulator_ops atc260x_reg_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_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_reg_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_set_voltage_time_sel, +}; + +static const struct regulator_ops atc260x_reg_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_set_voltage_time_sel, +}; + +static const struct regulator_ops atc260x_reg_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_set_voltage_time_sel, +}; + +/* + * ATC2603C notes: + * - LDO8 is not documented in datasheet (v2.4), but supported + * in the vendor's driver implementation (xapp-le-kernel). + * - LDO12 mentioned in datasheet is not programmable, hence not + * handled in this driver. + */ +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_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_reg_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_reg_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_reg_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_reg_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_reg_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_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_reg_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_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_reg_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_reg_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_reg_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_reg_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_reg_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_reg_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; + + if (!pdev->dev.of_node) + return -ENXIO; + + 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: + atc260x_data->last_dcdc_reg_id = ATC2603C_ID_DCDC3; + regulators = atc2603c_reg; + nregulators = ATC2603C_ID_MAX; + atc2603c_ver_b = atc260x->ic_ver == ATC260X_B; + break; + case ATC2609A: + atc260x_data->last_dcdc_reg_id = ATC2609A_ID_DCDC4; + 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 const struct of_device_id atc260x_regulator_of_match[] = { + { .compatible = "actions,atc2603c-regulator" }, + { .compatible = "actions,atc2609a-regulator" }, + { /* sentinel */ } +}; +MODULE_DEVICE_TABLE(of, atc260x_regulator_of_match); + +static struct platform_driver atc260x_regulator_driver = { + .probe = atc260x_regulator_probe, + .driver = { + .name = "atc260x-regulator", + .of_match_table = of_match_ptr(atc260x_regulator_of_match), + }, +}; + +module_platform_driver(atc260x_regulator_driver); + +MODULE_DESCRIPTION("Regulator driver for ATC260x PMICs"); +MODULE_AUTHOR("Manivannan Sadhasivam "); +MODULE_AUTHOR("Cristian Ciocaltea "); +MODULE_LICENSE("GPL");