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-rw-r--r--drivers/regulator/Kconfig15
-rw-r--r--drivers/regulator/Makefile2
-rw-r--r--drivers/regulator/hi6220-mtcmos.c269
-rw-r--r--drivers/regulator/hi655x-regulator.c226
4 files changed, 512 insertions, 0 deletions
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 00676208080e..10c46e236e8b 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -261,6 +261,21 @@ config REGULATOR_HI6421
21 general purpose LDOs, 3 dedicated LDOs, and 5 BUCKs. All
of them come with support to either ECO (idle) or sleep mode.
+config REGULATOR_HI6220_MTCMOS
+ bool "Hisilicon Hi6220 mtcmos support"
+ depends on ARCH_HISI
+ help
+ This driver provides support for the mtcmos regulators of Hi6220 Soc.
+
+
+config REGULATOR_HI655X
+ tristate "Hisilicon HI655X PMIC regulators support"
+ depends on ARCH_HISI || COMPILE_TEST
+ depends on MFD_HI655X_PMIC && OF
+ help
+ This driver provides support for the voltage regulators of the
+ Hisilicon Hi655x PMIC device.
+
config REGULATOR_ISL9305
tristate "Intersil ISL9305 regulator"
depends on I2C
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 0f8174913c17..7345d43551ee 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -34,6 +34,8 @@ obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_FAN53555) += fan53555.o
obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
obj-$(CONFIG_REGULATOR_HI6421) += hi6421-regulator.o
+obj-$(CONFIG_REGULATOR_HI6220_MTCMOS) += hi6220-mtcmos.o
+obj-$(CONFIG_REGULATOR_HI655X) += hi655x-regulator.o
obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
obj-$(CONFIG_REGULATOR_ISL9305) += isl9305.o
obj-$(CONFIG_REGULATOR_LP3971) += lp3971.o
diff --git a/drivers/regulator/hi6220-mtcmos.c b/drivers/regulator/hi6220-mtcmos.c
new file mode 100644
index 000000000000..492be7adfaa2
--- /dev/null
+++ b/drivers/regulator/hi6220-mtcmos.c
@@ -0,0 +1,269 @@
+/*
+ * Device driver for MTCMOS DRIVER in HI6220 SOC
+ *
+ * Copyright (c) 2011 Hisilicon Co. Ltd
+ *
+ */
+#include <linux/slab.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/of_address.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/delay.h>
+#include <linux/time.h>
+
+enum {
+ HI6220_MTCMOS1,
+ HI6220_MTCMOS2,
+ HI6220_RG_MAX,
+};
+
+struct hi6220_mtcmos_ctrl_regs {
+ unsigned int enable_reg;
+ unsigned int disable_reg;
+ unsigned int status_reg;
+};
+
+struct hi6220_mtcmos_ctrl_data {
+ int shift;
+ unsigned int mask;
+};
+
+struct hi6220_mtcmos_info {
+ struct regulator_desc rdesc;
+ struct hi6220_mtcmos_ctrl_regs ctrl_regs;
+ struct hi6220_mtcmos_ctrl_data ctrl_data;
+};
+
+struct hi6220_mtcmos {
+ struct regulator_dev *rdev[HI6220_RG_MAX];
+ void __iomem *sc_on_regs;
+ int mtcmos_steady_time;
+ spinlock_t mtcmos_spin_lock;
+};
+
+static int hi6220_mtcmos_is_on(struct hi6220_mtcmos *mtcmos,
+ unsigned int regs, unsigned int mask, int shift)
+{
+ unsigned int ret;
+ unsigned long mtcmos_spin_flag = 0;
+
+ spin_lock_irqsave(&mtcmos->mtcmos_spin_lock, mtcmos_spin_flag);
+ ret = readl(mtcmos->sc_on_regs + regs);
+ spin_unlock_irqrestore(&mtcmos->mtcmos_spin_lock, mtcmos_spin_flag);
+
+ ret &= (mask << shift);
+ return !!ret;
+}
+
+int hi6220_mtcmos_on(struct hi6220_mtcmos *mtcmos,
+ unsigned int regs, unsigned int mask, int shift)
+{
+ unsigned long mtcmos_spin_flag = 0;
+
+ spin_lock_irqsave(&mtcmos->mtcmos_spin_lock, mtcmos_spin_flag);
+ writel(mask << shift, mtcmos->sc_on_regs + regs);
+ udelay(mtcmos->mtcmos_steady_time);
+ spin_unlock_irqrestore(&mtcmos->mtcmos_spin_lock, mtcmos_spin_flag);
+
+ return 0;
+}
+
+int hi6220_mtcmos_off(struct hi6220_mtcmos *mtcmos,
+ unsigned int regs, unsigned int mask, int shift)
+{
+ unsigned long mtcmos_spin_flag = 0;
+
+ spin_lock_irqsave(&mtcmos->mtcmos_spin_lock, mtcmos_spin_flag);
+ writel(mask << shift, mtcmos->sc_on_regs + regs);
+ udelay(mtcmos->mtcmos_steady_time);
+ spin_unlock_irqrestore(&mtcmos->mtcmos_spin_lock,
+ mtcmos_spin_flag);
+
+ return 0;
+}
+
+static int hi6220_regulator_mtcmos_is_enabled(struct regulator_dev *rdev)
+{
+ int ret;
+ struct hi6220_mtcmos_info *sreg = rdev_get_drvdata(rdev);
+ struct platform_device *pdev =
+ container_of(rdev->dev.parent, struct platform_device, dev);
+ struct hi6220_mtcmos *mtcmos = platform_get_drvdata(pdev);
+ struct hi6220_mtcmos_ctrl_regs *ctrl_regs = &(sreg->ctrl_regs);
+ struct hi6220_mtcmos_ctrl_data *ctrl_data = &(sreg->ctrl_data);
+
+ ret = hi6220_mtcmos_is_on(mtcmos, ctrl_regs->status_reg,
+ ctrl_data->mask, ctrl_data->shift);
+ return ret;
+}
+
+static int hi6220_regulator_mtcmos_enabled(struct regulator_dev *rdev)
+{
+ int ret;
+ struct hi6220_mtcmos_info *sreg = rdev_get_drvdata(rdev);
+ struct platform_device *pdev =
+ container_of(rdev->dev.parent, struct platform_device, dev);
+ struct hi6220_mtcmos *mtcmos = platform_get_drvdata(pdev);
+ struct hi6220_mtcmos_ctrl_regs *ctrl_regs = &(sreg->ctrl_regs);
+ struct hi6220_mtcmos_ctrl_data *ctrl_data = &(sreg->ctrl_data);
+
+ ret = hi6220_mtcmos_on(mtcmos, ctrl_regs->enable_reg,
+ ctrl_data->mask, ctrl_data->shift);
+ if (0 == hi6220_mtcmos_is_on(mtcmos, ctrl_regs->status_reg,
+ ctrl_data->mask, ctrl_data->shift)) {
+ return -1;
+ }
+ return ret;
+}
+
+static int hi6220_regulator_mtcmos_disabled(struct regulator_dev *rdev)
+{
+ int ret;
+ struct hi6220_mtcmos_info *sreg = rdev_get_drvdata(rdev);
+ struct platform_device *pdev =
+ container_of(rdev->dev.parent, struct platform_device, dev);
+ struct hi6220_mtcmos *mtcmos = platform_get_drvdata(pdev);
+ struct hi6220_mtcmos_ctrl_regs *ctrl_regs = &(sreg->ctrl_regs);
+ struct hi6220_mtcmos_ctrl_data *ctrl_data = &(sreg->ctrl_data);
+
+ ret = hi6220_mtcmos_off(mtcmos, ctrl_regs->disable_reg,
+ ctrl_data->mask, ctrl_data->shift);
+
+ return ret;
+}
+
+static struct regulator_ops hi6220_mtcmos_mtcmos_rops = {
+ .is_enabled = hi6220_regulator_mtcmos_is_enabled,
+ .enable = hi6220_regulator_mtcmos_enabled,
+ .disable = hi6220_regulator_mtcmos_disabled,
+};
+
+#define HI6220_MTCMOS(vreg) \
+{ \
+ .rdesc = { \
+ .name = #vreg, \
+ .ops = &hi6220_mtcmos_mtcmos_rops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+}
+
+static struct hi6220_mtcmos_info hi6220_mtcmos_info[] = {
+ HI6220_MTCMOS(MTCMOS1),
+ HI6220_MTCMOS(MTCMOS2),
+};
+
+static struct of_regulator_match hi6220_mtcmos_matches[] = {
+ { .name = "mtcmos1",
+ .driver_data = &hi6220_mtcmos_info[HI6220_MTCMOS1], },
+ { .name = "mtcmos2",
+ .driver_data = &hi6220_mtcmos_info[HI6220_MTCMOS2], },
+};
+
+static int hi6220_mtcmos_probe(struct platform_device *pdev)
+{
+ int ret;
+ struct hi6220_mtcmos *mtcmos;
+ const __be32 *sc_on_regs = NULL;
+ void __iomem *regs;
+ struct device *dev;
+ struct device_node *np, *child;
+ int count, i;
+ struct regulator_config config = { };
+ struct regulator_init_data *init_data;
+ struct hi6220_mtcmos_info *sreg;
+
+ dev = &pdev->dev;
+ np = dev->of_node;
+ mtcmos = devm_kzalloc(dev,
+ sizeof(struct hi6220_mtcmos), GFP_KERNEL);
+ if (!mtcmos) {
+ dev_err(dev, "cannot allocate hi6220_mtcmos device info\n");
+ return -ENOMEM;
+ }
+
+ spin_lock_init((spinlock_t *)&mtcmos->mtcmos_spin_lock);
+ sc_on_regs = of_get_property(np, "hisilicon,mtcmos-sc-on-base", NULL);
+ if (sc_on_regs) {
+ regs = ioremap(be32_to_cpu(*sc_on_regs), 0x1000);
+ mtcmos->sc_on_regs = regs;
+ }
+ ret = of_property_read_u32(np, "hisilicon,mtcmos-steady-us",
+ &mtcmos->mtcmos_steady_time);
+
+ count = of_regulator_match(&pdev->dev, np,
+ hi6220_mtcmos_matches,
+ ARRAY_SIZE(hi6220_mtcmos_matches));
+
+ for (i = 0; i < HI6220_RG_MAX; i++) {
+ init_data = hi6220_mtcmos_matches[i].init_data;
+ if (!init_data)
+ continue;
+ sreg = hi6220_mtcmos_matches[i].driver_data;
+ config.dev = &pdev->dev;
+ config.init_data = init_data;
+ config.driver_data = sreg;
+ config.of_node = hi6220_mtcmos_matches[i].of_node;
+ child = config.of_node;
+
+ ret = of_property_read_u32_array(child, "hisilicon,ctrl-regs",
+ (unsigned int *)(&sreg->ctrl_regs), 0x3);
+ ret = of_property_read_u32_array(child, "hisilicon,ctrl-data",
+ (unsigned int *)(&sreg->ctrl_data), 0x2);
+
+ mtcmos->rdev[i] = regulator_register(&sreg->rdesc, &config);
+ if (IS_ERR(mtcmos->rdev[i])) {
+ ret = PTR_ERR(mtcmos->rdev[i]);
+ dev_err(&pdev->dev, "failed to register mtcmos %s\n",
+ sreg->rdesc.name);
+ while (--i >= 0)
+ regulator_unregister(mtcmos->rdev[i]);
+
+ return ret;
+ }
+ }
+
+ platform_set_drvdata(pdev, mtcmos);
+
+ return 0;
+}
+
+static struct of_device_id of_hi6220_mtcmos_match_tbl[] = {
+ { .compatible = "hisilicon,hi6220-mtcmos-driver", },
+ {}
+};
+
+static struct platform_driver mtcmos_driver = {
+ .driver = {
+ .name = "hisi_hi6220_mtcmos",
+ .owner = THIS_MODULE,
+ .of_match_table = of_hi6220_mtcmos_match_tbl,
+ },
+ .probe = hi6220_mtcmos_probe,
+};
+
+static int __init hi6220_mtcmos_init(void)
+{
+ return platform_driver_register(&mtcmos_driver);
+}
+
+static void __exit hi6220_mtcmos_exit(void)
+{
+ platform_driver_unregister(&mtcmos_driver);
+}
+
+fs_initcall(hi6220_mtcmos_init);
+module_exit(hi6220_mtcmos_exit);
+
+MODULE_AUTHOR("Baixing Quan<quanbaixing@huawei.com>");
+MODULE_DESCRIPTION("HI6220 MTCMOS interface driver");
+MODULE_LICENSE("GPL V2");
diff --git a/drivers/regulator/hi655x-regulator.c b/drivers/regulator/hi655x-regulator.c
new file mode 100644
index 000000000000..9074355791a2
--- /dev/null
+++ b/drivers/regulator/hi655x-regulator.c
@@ -0,0 +1,226 @@
+/*
+ * Device driver for regulators in hi655x IC
+ *
+ * Copyright (c) 2016 Hisilicon.
+ *
+ * Authors:
+ * Chen Feng <puck.chen@hisilicon.com>
+ * Fei Wang <w.f@huawei.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/bitops.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/io.h>
+#include <linux/of.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/mfd/hi655x-pmic.h>
+
+struct hi655x_regulator {
+ unsigned int disable_reg;
+ unsigned int status_reg;
+ unsigned int ctrl_regs;
+ unsigned int ctrl_mask;
+ struct regulator_desc rdesc;
+};
+
+static const unsigned int ldo7_voltages[] = {
+ 1800000, 1850000, 2850000, 2900000,
+ 3000000, 3100000, 3200000, 3300000,
+};
+
+static const unsigned int ldo19_voltages[] = {
+ 1800000, 1850000, 1900000, 1750000,
+ 2800000, 2850000, 2900000, 3000000,
+};
+
+static const unsigned int ldo22_voltages[] = {
+ 900000, 1000000, 1050000, 1100000,
+ 1150000, 1175000, 1185000, 1200000,
+};
+
+enum hi655x_regulator_id {
+ HI655X_LDO0,
+ HI655X_LDO1,
+ HI655X_LDO2,
+ HI655X_LDO3,
+ HI655X_LDO4,
+ HI655X_LDO5,
+ HI655X_LDO6,
+ HI655X_LDO7,
+ HI655X_LDO8,
+ HI655X_LDO9,
+ HI655X_LDO10,
+ HI655X_LDO11,
+ HI655X_LDO12,
+ HI655X_LDO13,
+ HI655X_LDO14,
+ HI655X_LDO15,
+ HI655X_LDO16,
+ HI655X_LDO17,
+ HI655X_LDO18,
+ HI655X_LDO19,
+ HI655X_LDO20,
+ HI655X_LDO21,
+ HI655X_LDO22,
+};
+
+static int hi655x_is_enabled(struct regulator_dev *rdev)
+{
+ unsigned int value = 0;
+
+ struct hi655x_regulator *regulator = rdev_get_drvdata(rdev);
+
+ regmap_read(rdev->regmap, regulator->status_reg, &value);
+ return (value & BIT(regulator->ctrl_mask));
+}
+
+static int hi655x_disable(struct regulator_dev *rdev)
+{
+ int ret = 0;
+
+ struct hi655x_regulator *regulator = rdev_get_drvdata(rdev);
+
+ ret = regmap_write(rdev->regmap, regulator->disable_reg,
+ BIT(regulator->ctrl_mask));
+ return ret;
+}
+
+static struct regulator_ops hi655x_regulator_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = hi655x_disable,
+ .is_enabled = hi655x_is_enabled,
+ .list_voltage = regulator_list_voltage_table,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+};
+
+static struct regulator_ops hi655x_ldo_linear_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = hi655x_disable,
+ .is_enabled = hi655x_is_enabled,
+ .list_voltage = regulator_list_voltage_linear,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+};
+
+#define HI655X_LDO(_ID, vreg, vmask, ereg, dreg, \
+ sreg, cmask, vtable) { \
+ .rdesc = { \
+ .name = #_ID, \
+ .of_match = of_match_ptr(#_ID), \
+ .ops = &hi655x_regulator_ops, \
+ .regulators_node = of_match_ptr("regulators"), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = HI655X_##_ID, \
+ .owner = THIS_MODULE, \
+ .n_voltages = ARRAY_SIZE(vtable), \
+ .volt_table = vtable, \
+ .vsel_reg = HI655X_BUS_ADDR(vreg), \
+ .vsel_mask = vmask, \
+ .enable_reg = HI655X_BUS_ADDR(ereg), \
+ .enable_mask = BIT(cmask), \
+ }, \
+ .disable_reg = HI655X_BUS_ADDR(dreg), \
+ .status_reg = HI655X_BUS_ADDR(sreg), \
+ .ctrl_mask = cmask, \
+}
+
+#define HI655X_LDO_LINEAR(_ID, vreg, vmask, ereg, dreg, \
+ sreg, cmask, minv, nvolt, vstep) { \
+ .rdesc = { \
+ .name = #_ID, \
+ .of_match = of_match_ptr(#_ID), \
+ .ops = &hi655x_ldo_linear_ops, \
+ .regulators_node = of_match_ptr("regulators"), \
+ .type = REGULATOR_VOLTAGE, \
+ .id = HI655X_##_ID, \
+ .owner = THIS_MODULE, \
+ .min_uV = minv, \
+ .n_voltages = nvolt, \
+ .uV_step = vstep, \
+ .vsel_reg = HI655X_BUS_ADDR(vreg), \
+ .vsel_mask = vmask, \
+ .enable_reg = HI655X_BUS_ADDR(ereg), \
+ .enable_mask = BIT(cmask), \
+ }, \
+ .disable_reg = HI655X_BUS_ADDR(dreg), \
+ .status_reg = HI655X_BUS_ADDR(sreg), \
+ .ctrl_mask = cmask, \
+}
+
+static struct hi655x_regulator regulators[] = {
+ HI655X_LDO_LINEAR(LDO2, 0x72, 0x07, 0x29, 0x2a, 0x2b, 0x01,
+ 2500000, 8, 100000),
+ HI655X_LDO(LDO7, 0x78, 0x07, 0x29, 0x2a, 0x2b, 0x06, ldo7_voltages),
+ HI655X_LDO(LDO10, 0x78, 0x07, 0x29, 0x2a, 0x2b, 0x01, ldo7_voltages),
+ HI655X_LDO_LINEAR(LDO13, 0x7e, 0x07, 0x2c, 0x2d, 0x2e, 0x04,
+ 1600000, 8, 50000),
+ HI655X_LDO_LINEAR(LDO14, 0x7f, 0x07, 0x2c, 0x2d, 0x2e, 0x05,
+ 2500000, 8, 100000),
+ HI655X_LDO_LINEAR(LDO15, 0x80, 0x07, 0x2c, 0x2d, 0x2e, 0x06,
+ 1600000, 8, 50000),
+ HI655X_LDO_LINEAR(LDO17, 0x82, 0x07, 0x2f, 0x30, 0x31, 0x00,
+ 2500000, 8, 100000),
+ HI655X_LDO(LDO19, 0x84, 0x07, 0x2f, 0x30, 0x31, 0x02, ldo19_voltages),
+ HI655X_LDO_LINEAR(LDO21, 0x86, 0x07, 0x2f, 0x30, 0x31, 0x04,
+ 1650000, 8, 50000),
+ HI655X_LDO(LDO22, 0x87, 0x07, 0x2f, 0x30, 0x31, 0x05, ldo22_voltages),
+};
+
+static int hi655x_regulator_probe(struct platform_device *pdev)
+{
+ unsigned int i;
+ struct hi655x_regulator *regulator;
+ struct hi655x_pmic *pmic;
+ struct regulator_config config = { };
+ struct regulator_dev *rdev;
+
+ pmic = dev_get_drvdata(pdev->dev.parent);
+ if (!pmic) {
+ dev_err(&pdev->dev, "no pmic in the regulator parent node\n");
+ return -ENODEV;
+ }
+
+ regulator = devm_kzalloc(&pdev->dev, sizeof(*regulator), GFP_KERNEL);
+ if (!regulator)
+ return -ENOMEM;
+
+ platform_set_drvdata(pdev, regulator);
+
+ config.dev = pdev->dev.parent;
+ config.regmap = pmic->regmap;
+ config.driver_data = regulator;
+ for (i = 0; i < ARRAY_SIZE(regulators); i++) {
+ rdev = devm_regulator_register(&pdev->dev,
+ &regulators[i].rdesc,
+ &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "failed to register regulator %s\n",
+ regulator->rdesc.name);
+ return PTR_ERR(rdev);
+ }
+ }
+ return 0;
+}
+
+static struct platform_driver hi655x_regulator_driver = {
+ .driver = {
+ .name = "hi655x-regulator",
+ },
+ .probe = hi655x_regulator_probe,
+};
+module_platform_driver(hi655x_regulator_driver);
+
+MODULE_AUTHOR("Chen Feng <puck.chen@hisilicon.com>");
+MODULE_DESCRIPTION("Hisilicon hi655x regulator driver");
+MODULE_LICENSE("GPL v2");
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-28 07:49:42 +0000