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-rw-r--r--drivers/staging/hikey9xx/Kconfig11
-rw-r--r--drivers/staging/hikey9xx/Makefile1
-rw-r--r--drivers/staging/hikey9xx/hi6421v600-regulator.c299
3 files changed, 0 insertions, 311 deletions
diff --git a/drivers/staging/hikey9xx/Kconfig b/drivers/staging/hikey9xx/Kconfig
index 82bb4a22b286..c4dc1016edf2 100644
--- a/drivers/staging/hikey9xx/Kconfig
+++ b/drivers/staging/hikey9xx/Kconfig
@@ -39,14 +39,3 @@ config MFD_HI6421_SPMI
individual components like voltage regulators under corresponding
menus in order to enable them.
We communicate with the Hi6421v600 via a SPMI bus.
-
-# to be placed at drivers/regulator
-config REGULATOR_HI6421V600
- tristate "HiSilicon Hi6421v600 PMIC voltage regulator support"
- depends on MFD_HI6421_SPMI && OF
- depends on REGULATOR
- select REGMAP
- help
- This driver provides support for the voltage regulators on
- HiSilicon Hi6421v600 PMU / Codec IC.
- This is used on Kirin 3670 boards, like HiKey 970.
diff --git a/drivers/staging/hikey9xx/Makefile b/drivers/staging/hikey9xx/Makefile
index 1924fadac952..9103735d8377 100644
--- a/drivers/staging/hikey9xx/Makefile
+++ b/drivers/staging/hikey9xx/Makefile
@@ -4,4 +4,3 @@ obj-$(CONFIG_PHY_HI3670_USB) += phy-hi3670-usb3.o
obj-$(CONFIG_SPMI_HISI3670) += hisi-spmi-controller.o
obj-$(CONFIG_MFD_HI6421_SPMI) += hi6421-spmi-pmic.o
-obj-$(CONFIG_REGULATOR_HI6421V600) += hi6421v600-regulator.o
diff --git a/drivers/staging/hikey9xx/hi6421v600-regulator.c b/drivers/staging/hikey9xx/hi6421v600-regulator.c
deleted file mode 100644
index f6a14e9c3cbf..000000000000
--- a/drivers/staging/hikey9xx/hi6421v600-regulator.c
+++ /dev/null
@@ -1,299 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Device driver for regulators in Hisi IC
-//
-// Copyright (c) 2013 Linaro Ltd.
-// Copyright (c) 2011 Hisilicon.
-// Copyright (c) 2020-2021 Huawei Technologies Co., Ltd
-//
-// Guodong Xu <guodong.xu@linaro.org>
-
-#include <linux/delay.h>
-#include <linux/mfd/hi6421-spmi-pmic.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/regmap.h>
-#include <linux/regulator/driver.h>
-#include <linux/spmi.h>
-
-struct hi6421_spmi_reg_info {
- struct regulator_desc desc;
- struct hi6421_spmi_pmic *pmic;
- u8 eco_mode_mask;
- u32 eco_uA;
-
- /* Serialize regulator enable logic */
- struct mutex enable_mutex;
-};
-
-static const unsigned int ldo3_voltages[] = {
- 1500000, 1550000, 1600000, 1650000,
- 1700000, 1725000, 1750000, 1775000,
- 1800000, 1825000, 1850000, 1875000,
- 1900000, 1925000, 1950000, 2000000
-};
-
-static const unsigned int ldo4_voltages[] = {
- 1725000, 1750000, 1775000, 1800000,
- 1825000, 1850000, 1875000, 1900000
-};
-
-static const unsigned int ldo9_voltages[] = {
- 1750000, 1800000, 1825000, 2800000,
- 2850000, 2950000, 3000000, 3300000
-};
-
-static const unsigned int ldo15_voltages[] = {
- 1800000, 1850000, 2400000, 2600000,
- 2700000, 2850000, 2950000, 3000000
-};
-
-static const unsigned int ldo17_voltages[] = {
- 2500000, 2600000, 2700000, 2800000,
- 3000000, 3100000, 3200000, 3300000
-};
-
-static const unsigned int ldo34_voltages[] = {
- 2600000, 2700000, 2800000, 2900000,
- 3000000, 3100000, 3200000, 3300000
-};
-
-/**
- * HI6421V600_LDO() - specify a LDO power line
- * @_id: LDO id name string
- * @vtable: voltage table
- * @ereg: enable register
- * @emask: enable mask
- * @vreg: voltage select register
- * @odelay: off/on delay time in uS
- * @etime: enable time in uS
- * @ecomask: eco mode mask
- * @ecoamp: eco mode load uppler limit in uA
- */
-#define HI6421V600_LDO(_id, vtable, ereg, emask, vreg, \
- odelay, etime, ecomask, ecoamp) \
- [HI6421V600_##_id] = { \
- .desc = { \
- .name = #_id, \
- .of_match = of_match_ptr(#_id), \
- .regulators_node = of_match_ptr("regulators"), \
- .ops = &hi6421_spmi_ldo_rops, \
- .type = REGULATOR_VOLTAGE, \
- .id = HI6421V600_##_id, \
- .owner = THIS_MODULE, \
- .volt_table = vtable, \
- .n_voltages = ARRAY_SIZE(vtable), \
- .vsel_mask = (1 << (ARRAY_SIZE(vtable) - 1)) - 1, \
- .vsel_reg = vreg, \
- .enable_reg = ereg, \
- .enable_mask = emask, \
- .enable_time = etime, \
- .ramp_delay = etime, \
- .off_on_delay = odelay, \
- }, \
- .eco_mode_mask = ecomask, \
- .eco_uA = ecoamp, \
- }
-
-static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
-{
- struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
- struct hi6421_spmi_pmic *pmic = sreg->pmic;
- int ret;
-
- /* cannot enable more than one regulator at one time */
- mutex_lock(&sreg->enable_mutex);
-
- ret = regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
- rdev->desc->enable_mask,
- rdev->desc->enable_mask);
-
- /* Avoid powering up multiple devices at the same time */
- usleep_range(rdev->desc->off_on_delay, rdev->desc->off_on_delay + 60);
-
- mutex_unlock(&sreg->enable_mutex);
-
- return ret;
-}
-
-static int hi6421_spmi_regulator_disable(struct regulator_dev *rdev)
-{
- struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
- struct hi6421_spmi_pmic *pmic = sreg->pmic;
-
- return regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
- rdev->desc->enable_mask, 0);
-}
-
-static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev)
-{
- struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
- struct hi6421_spmi_pmic *pmic = sreg->pmic;
- u32 reg_val;
-
- regmap_read(pmic->regmap, rdev->desc->enable_reg, &reg_val);
-
- if (reg_val & sreg->eco_mode_mask)
- return REGULATOR_MODE_IDLE;
-
- return REGULATOR_MODE_NORMAL;
-}
-
-static int hi6421_spmi_regulator_set_mode(struct regulator_dev *rdev,
- unsigned int mode)
-{
- struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
- struct hi6421_spmi_pmic *pmic = sreg->pmic;
- u32 val;
-
- switch (mode) {
- case REGULATOR_MODE_NORMAL:
- val = 0;
- break;
- case REGULATOR_MODE_IDLE:
- val = sreg->eco_mode_mask << (ffs(sreg->eco_mode_mask) - 1);
- break;
- default:
- return -EINVAL;
- }
-
- return regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
- sreg->eco_mode_mask, val);
-}
-
-static unsigned int
-hi6421_spmi_regulator_get_optimum_mode(struct regulator_dev *rdev,
- int input_uV, int output_uV,
- int load_uA)
-{
- struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
-
- if (!sreg->eco_uA || ((unsigned int)load_uA > sreg->eco_uA))
- return REGULATOR_MODE_NORMAL;
-
- return REGULATOR_MODE_IDLE;
-}
-
-static const struct regulator_ops hi6421_spmi_ldo_rops = {
- .is_enabled = regulator_is_enabled_regmap,
- .enable = hi6421_spmi_regulator_enable,
- .disable = hi6421_spmi_regulator_disable,
- .list_voltage = regulator_list_voltage_table,
- .map_voltage = regulator_map_voltage_iterate,
- .get_voltage_sel = regulator_get_voltage_sel_regmap,
- .set_voltage_sel = regulator_set_voltage_sel_regmap,
- .get_mode = hi6421_spmi_regulator_get_mode,
- .set_mode = hi6421_spmi_regulator_set_mode,
- .get_optimum_mode = hi6421_spmi_regulator_get_optimum_mode,
-};
-
-/* HI6421v600 regulators with known registers */
-enum hi6421_spmi_regulator_id {
- HI6421V600_LDO3,
- HI6421V600_LDO4,
- HI6421V600_LDO9,
- HI6421V600_LDO15,
- HI6421V600_LDO16,
- HI6421V600_LDO17,
- HI6421V600_LDO33,
- HI6421V600_LDO34,
-};
-
-static struct hi6421_spmi_reg_info regulator_info[] = {
- HI6421V600_LDO(LDO3, ldo3_voltages,
- 0x16, 0x01, 0x51,
- 20000, 120,
- 0, 0),
- HI6421V600_LDO(LDO4, ldo4_voltages,
- 0x17, 0x01, 0x52,
- 20000, 120,
- 0x10, 10000),
- HI6421V600_LDO(LDO9, ldo9_voltages,
- 0x1c, 0x01, 0x57,
- 20000, 360,
- 0x10, 10000),
- HI6421V600_LDO(LDO15, ldo15_voltages,
- 0x21, 0x01, 0x5c,
- 20000, 360,
- 0x10, 10000),
- HI6421V600_LDO(LDO16, ldo15_voltages,
- 0x22, 0x01, 0x5d,
- 20000, 360,
- 0x10, 10000),
- HI6421V600_LDO(LDO17, ldo17_voltages,
- 0x23, 0x01, 0x5e,
- 20000, 120,
- 0x10, 10000),
- HI6421V600_LDO(LDO33, ldo17_voltages,
- 0x32, 0x01, 0x6d,
- 20000, 120,
- 0, 0),
- HI6421V600_LDO(LDO34, ldo34_voltages,
- 0x33, 0x01, 0x6e,
- 20000, 120,
- 0, 0),
-};
-
-static int hi6421_spmi_regulator_probe(struct platform_device *pdev)
-{
- struct device *pmic_dev = pdev->dev.parent;
- struct regulator_config config = { };
- struct hi6421_spmi_reg_info *sreg;
- struct hi6421_spmi_reg_info *info;
- struct device *dev = &pdev->dev;
- struct hi6421_spmi_pmic *pmic;
- struct regulator_dev *rdev;
- int i;
-
- /*
- * This driver is meant to be called by hi6421-spmi-core,
- * which should first set drvdata. If this doesn't happen, hit
- * a warn on and return.
- */
- pmic = dev_get_drvdata(pmic_dev);
- if (WARN_ON(!pmic))
- return -ENODEV;
-
- sreg = devm_kzalloc(dev, sizeof(*sreg), GFP_KERNEL);
- if (!sreg)
- return -ENOMEM;
-
- sreg->pmic = pmic;
- mutex_init(&sreg->enable_mutex);
-
- for (i = 0; i < ARRAY_SIZE(regulator_info); i++) {
- info = &regulator_info[i];
-
- config.dev = pdev->dev.parent;
- config.driver_data = sreg;
- config.regmap = pmic->regmap;
-
- rdev = devm_regulator_register(dev, &info->desc, &config);
- if (IS_ERR(rdev)) {
- dev_err(dev, "failed to register %s\n",
- info->desc.name);
- return PTR_ERR(rdev);
- }
- }
-
- return 0;
-}
-
-static const struct platform_device_id hi6421_spmi_regulator_table[] = {
- { .name = "hi6421v600-regulator" },
- {},
-};
-MODULE_DEVICE_TABLE(platform, hi6421_spmi_regulator_table);
-
-static struct platform_driver hi6421_spmi_regulator_driver = {
- .id_table = hi6421_spmi_regulator_table,
- .driver = {
- .name = "hi6421v600-regulator",
- },
- .probe = hi6421_spmi_regulator_probe,
-};
-module_platform_driver(hi6421_spmi_regulator_driver);
-
-MODULE_DESCRIPTION("Hi6421v600 SPMI regulator driver");
-MODULE_LICENSE("GPL v2");
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-20 10:22:26 +0000