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Message-ID: <201308061437.r76EblmA010507@swsrvapps-01.diasemi.com>
Date: Tue, 6 Aug 2013 15:30:48 +0100
From: Steve Twiss <stwiss.opensource@...semi.com>
To: Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>
CC: David Dajun Chen <david.chen@...semi.com>,
Guennadi Liakhovetski <g.liakhovetski@....de>,
LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH V4] DA9210 new driver files
From: Steve Twiss <stwiss.opensource@...semi.com>
I2C driver for the Dialog DA9210 Multi-phase 12A DC-DC Buck.
Signed-off-by: Steve Twiss <stwiss.opensource@...semi.com>
Signed-off-by: David Dajun Chen <david.chen@...semi.com>
---
Checks performed with next-20130806/scripts/checkpatch.pl
Kconfig total: 0 errors, 36 warnings, 565 lines checked
da9210-regulator.c total: 0 errors, 0 warnings, 198 lines checked
da9210-regulator.h total: 0 errors, 0 warnings, 288 lines checked
Makefile total: 0 errors, 0 warnings, 80 lines checked
Despite 36 warnings in the Kconfig file from ./drivers/regulator
these do not apply to DA9210.
Thank you for the review Mark, what you said in your previous
e-mail should be fixed in this patch.
Apologies for the long wait for this minor change.
This patch applies against kernel version linux-next next-20130806
The changes since the previous PATCH are as follows:
(1) da9210-regulator.c
- Removed struct device *dev;
- MODULE_ALIAS changed to i2c:da9210
Regards,
Steve Twiss, Dialog Semiconductor Ltd.
Previous discussions:
[PATCH V1] DA9210 driver files
(V3)
On Tue, 6 Aug 2013 13:09:56 +0000
https://lkml.org/lkml/2013/8/6/228
[RFC V2] DA9210 driver files
On Mon, 1 Jul 2013 15:10:28 +0100
https://lkml.org/lkml/2013/7/1/300
[RFC V1] COMMIT 1: DA9210 driver files
On Thu, 20 Jun 2013 14:42:03 +0100
https://lkml.org/lkml/2013/6/20/408
drivers/regulator/Kconfig | 10 ++
drivers/regulator/Makefile | 1 +
drivers/regulator/da9210-regulator.c | 198 +++++++++++++++++++++++
drivers/regulator/da9210-regulator.h | 288 ++++++++++++++++++++++++++++++++++
4 files changed, 497 insertions(+), 0 deletions(-)
create mode 100644 drivers/regulator/da9210-regulator.c
create mode 100644 drivers/regulator/da9210-regulator.h
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index fe77cd9..3e56517 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -168,6 +168,16 @@ config REGULATOR_DB8500_PRCMU
This driver supports the voltage domain regulators controlled by the
DB8500 PRCMU
+config REGULATOR_DA9210
+ tristate "Dialog Semiconductor DA9210 regulator"
+ depends on I2C
+ select REGMAP_I2C
+ help
+ Say y here to support for the Dialog Semiconductor DA9210.
+ The DA9210 is a multi-phase synchronous step down
+ converter 12A DC-DC Buck controlled through an I2C
+ interface.
+
config REGULATOR_FAN53555
tristate "Fairchild FAN53555 Regulator"
depends on I2C
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 8c14d29..c3dcfba 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_REGULATOR_AS3711) += as3711-regulator.o
obj-$(CONFIG_REGULATOR_DA903X) += da903x.o
obj-$(CONFIG_REGULATOR_DA9052) += da9052-regulator.o
obj-$(CONFIG_REGULATOR_DA9055) += da9055-regulator.o
+obj-$(CONFIG_REGULATOR_DA9210) += da9210-regulator.o
obj-$(CONFIG_REGULATOR_DBX500_PRCMU) += dbx500-prcmu.o
obj-$(CONFIG_REGULATOR_DB8500_PRCMU) += db8500-prcmu.o
obj-$(CONFIG_REGULATOR_FAN53555) += fan53555.o
diff --git a/drivers/regulator/da9210-regulator.c b/drivers/regulator/da9210-regulator.c
new file mode 100644
index 0000000..ca8483c
--- /dev/null
+++ b/drivers/regulator/da9210-regulator.c
@@ -0,0 +1,198 @@
+
+/*
+ * da9210-regulator.c - Regulator device driver for DA9210
+ * Copyright (C) 2013 Dialog Semiconductor Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <linux/err.h>
+#include <linux/i2c.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/slab.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regmap.h>
+
+#include "da9210-regulator.h"
+
+struct da9210 {
+ struct regulator_dev *rdev;
+ struct regmap *regmap;
+};
+
+static const struct regmap_config da9210_regmap_config = {
+ .reg_bits = 8,
+ .val_bits = 8,
+};
+
+static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA,
+ int max_uA);
+static int da9210_get_current_limit(struct regulator_dev *rdev);
+
+static struct regulator_ops da9210_buck_ops = {
+ .enable = regulator_enable_regmap,
+ .disable = regulator_disable_regmap,
+ .is_enabled = regulator_is_enabled_regmap,
+ .set_voltage_sel = regulator_set_voltage_sel_regmap,
+ .get_voltage_sel = regulator_get_voltage_sel_regmap,
+ .list_voltage = regulator_list_voltage_linear,
+ .set_current_limit = da9210_set_current_limit,
+ .get_current_limit = da9210_get_current_limit,
+};
+
+/* Default limits measured in millivolts and milliamps */
+#define DA9210_MIN_MV 300
+#define DA9210_MAX_MV 1570
+#define DA9210_STEP_MV 10
+
+/* Current limits for buck (uA) indices corresponds with register values */
+static const int da9210_buck_limits[] = {
+ 1600000, 1800000, 2000000, 2200000, 2400000, 2600000, 2800000, 3000000,
+ 3200000, 3400000, 3600000, 3800000, 4000000, 4200000, 4400000, 4600000
+};
+
+static const struct regulator_desc da9210_reg = {
+ .name = "DA9210",
+ .id = 0,
+ .ops = &da9210_buck_ops,
+ .type = REGULATOR_VOLTAGE,
+ .n_voltages = ((DA9210_MAX_MV - DA9210_MIN_MV) / DA9210_STEP_MV) + 1,
+ .min_uV = (DA9210_MIN_MV * 1000),
+ .uV_step = (DA9210_STEP_MV * 1000),
+ .vsel_reg = DA9210_REG_VBUCK_A,
+ .vsel_mask = DA9210_VBUCK_MASK,
+ .enable_reg = DA9210_REG_BUCK_CONT,
+ .enable_mask = DA9210_BUCK_EN,
+ .owner = THIS_MODULE,
+};
+
+static int da9210_set_current_limit(struct regulator_dev *rdev, int min_uA,
+ int max_uA)
+{
+ struct da9210 *chip = rdev_get_drvdata(rdev);
+ unsigned int sel;
+ int i;
+
+ /* search for closest to maximum */
+ for (i = ARRAY_SIZE(da9210_buck_limits)-1; i >= 0; i--) {
+ if (min_uA <= da9210_buck_limits[i] &&
+ max_uA >= da9210_buck_limits[i]) {
+ sel = i;
+ sel = sel << DA9210_BUCK_ILIM_SHIFT;
+ return regmap_update_bits(chip->regmap,
+ DA9210_REG_BUCK_ILIM,
+ DA9210_BUCK_ILIM_MASK, sel);
+ }
+ }
+
+ return -EINVAL;
+}
+
+static int da9210_get_current_limit(struct regulator_dev *rdev)
+{
+ struct da9210 *chip = rdev_get_drvdata(rdev);
+ unsigned int data;
+ unsigned int sel;
+ int ret;
+
+ ret = regmap_read(chip->regmap, DA9210_REG_BUCK_ILIM, &data);
+ if (ret < 0)
+ return ret;
+
+ /* select one of 16 values: 0000 (1600mA) to 1111 (4600mA) */
+ sel = (data & DA9210_BUCK_ILIM_MASK) >> DA9210_BUCK_ILIM_SHIFT;
+
+ return da9210_buck_limits[sel];
+}
+
+/*
+ * I2C driver interface functions
+ */
+static int da9210_i2c_probe(struct i2c_client *i2c,
+ const struct i2c_device_id *id)
+{
+ struct da9210 *chip;
+ struct da9210_pdata *pdata = i2c->dev.platform_data;
+ struct regulator_dev *rdev = NULL;
+ struct regulator_config config = { };
+ int error;
+
+ chip = devm_kzalloc(&i2c->dev, sizeof(struct da9210), GFP_KERNEL);
+ if (NULL == chip) {
+ dev_err(&i2c->dev,
+ "Cannot kzalloc memory for regulator structure\n");
+ return -ENOMEM;
+ }
+
+ chip->regmap = devm_regmap_init_i2c(i2c, &da9210_regmap_config);
+ if (IS_ERR(chip->regmap)) {
+ error = PTR_ERR(chip->regmap);
+ dev_err(&i2c->dev, "Failed to allocate register map: %d\n",
+ error);
+ return error;
+ }
+
+ config.dev = &i2c->dev;
+ if (pdata)
+ config.init_data = &pdata->da9210_constraints;
+ config.driver_data = chip;
+ config.regmap = chip->regmap;
+
+ rdev = regulator_register(&da9210_reg, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&i2c->dev, "Failed to register DA9210 regulator\n");
+ return PTR_ERR(rdev);
+ }
+
+ chip->rdev = rdev;
+
+ i2c_set_clientdata(i2c, chip);
+
+ return 0;
+}
+
+static int da9210_i2c_remove(struct i2c_client *i2c)
+{
+ struct da9210 *chip = i2c_get_clientdata(i2c);
+ regulator_unregister(chip->rdev);
+ return 0;
+}
+
+static const struct i2c_device_id da9210_i2c_id[] = {
+ {"da9210", 0},
+ {},
+};
+
+MODULE_DEVICE_TABLE(i2c, da9210_i2c_id);
+
+static struct i2c_driver da9210_regulator_driver = {
+ .driver = {
+ .name = "da9210",
+ .owner = THIS_MODULE,
+ },
+ .probe = da9210_i2c_probe,
+ .remove = da9210_i2c_remove,
+ .id_table = da9210_i2c_id,
+};
+
+module_i2c_driver(da9210_regulator_driver);
+
+MODULE_AUTHOR("S Twiss <stwiss.opensource@...semi.com>");
+MODULE_DESCRIPTION("Regulator device driver for Dialog DA9210");
+MODULE_LICENSE("GPL v2");
+MODULE_ALIAS("i2c:da9210");
diff --git a/drivers/regulator/da9210-regulator.h b/drivers/regulator/da9210-regulator.h
new file mode 100644
index 0000000..749c550
--- /dev/null
+++ b/drivers/regulator/da9210-regulator.h
@@ -0,0 +1,288 @@
+
+/*
+ * da9210-regulator.h - Regulator definitions for DA9210
+ * Copyright (C) 2013 Dialog Semiconductor Ltd.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __DA9210_REGISTERS_H__
+#define __DA9210_REGISTERS_H__
+
+struct da9210_pdata {
+ struct regulator_init_data da9210_constraints;
+};
+
+/* Page selection */
+#define DA9210_REG_PAGE_CON 0x00
+
+/* System Control and Event Registers */
+#define DA9210_REG_STATUS_A 0x50
+#define DA9210_REG_STATUS_B 0x51
+#define DA9210_REG_EVENT_A 0x52
+#define DA9210_REG_EVENT_B 0x53
+#define DA9210_REG_MASK_A 0x54
+#define DA9210_REG_MASK_B 0x55
+#define DA9210_REG_CONTROL_A 0x56
+
+/* GPIO Control Registers */
+#define DA9210_REG_GPIO_0_1 0x58
+#define DA9210_REG_GPIO_2_3 0x59
+#define DA9210_REG_GPIO_4_5 0x5A
+#define DA9210_REG_GPIO_6 0x5B
+
+/* Regulator Registers */
+#define DA9210_REG_BUCK_CONT 0x5D
+#define DA9210_REG_BUCK_ILIM 0xD0
+#define DA9210_REG_BUCK_CONF1 0xD1
+#define DA9210_REG_BUCK_CONF2 0xD2
+#define DA9210_REG_VBACK_AUTO 0xD4
+#define DA9210_REG_VBACK_BASE 0xD5
+#define DA9210_REG_VBACK_MAX_DVC_IF 0xD6
+#define DA9210_REG_VBACK_DVC 0xD7
+#define DA9210_REG_VBUCK_A 0xD8
+#define DA9210_REG_VBUCK_B 0xD9
+
+/* I2C Interface Settings */
+#define DA9210_REG_INTERFACE 0x105
+
+/* OTP */
+#define DA9210_REG_OPT_COUNT 0x140
+#define DA9210_REG_OPT_ADDR 0x141
+#define DA9210_REG_OPT_DATA 0x142
+
+/* Customer Trim and Configuration */
+#define DA9210_REG_CONFIG_A 0x143
+#define DA9210_REG_CONFIG_B 0x144
+#define DA9210_REG_CONFIG_C 0x145
+#define DA9210_REG_CONFIG_D 0x146
+#define DA9210_REG_CONFIG_E 0x147
+
+
+/*
+ * Registers bits
+ */
+/* DA9210_REG_PAGE_CON (addr=0x00) */
+#define DA9210_PEG_PAGE_SHIFT 0
+#define DA9210_REG_PAGE_MASK 0x0F
+/* On I2C registers 0x00 - 0xFF */
+#define DA9210_REG_PAGE0 0
+/* On I2C registers 0x100 - 0x1FF */
+#define DA9210_REG_PAGE2 2
+#define DA9210_PAGE_WRITE_MODE 0x00
+#define DA9210_REPEAT_WRITE_MODE 0x40
+#define DA9210_PAGE_REVERT 0x80
+
+/* DA9210_REG_STATUS_A (addr=0x50) */
+#define DA9210_GPI0 0x01
+#define DA9210_GPI1 0x02
+#define DA9210_GPI2 0x04
+#define DA9210_GPI3 0x08
+#define DA9210_GPI4 0x10
+#define DA9210_GPI5 0x20
+#define DA9210_GPI6 0x40
+
+/* DA9210_REG_EVENT_A (addr=0x52) */
+#define DA9210_E_GPI0 0x01
+#define DA9210_E_GPI1 0x02
+#define DA9210_E_GPI2 0x04
+#define DA9210_E_GPI3 0x08
+#define DA9210_E_GPI4 0x10
+#define DA9210_E_GPI5 0x20
+#define DA9210_E_GPI6 0x40
+
+/* DA9210_REG_EVENT_B (addr=0x53) */
+#define DA9210_E_OVCURR 0x01
+#define DA9210_E_NPWRGOOD 0x02
+#define DA9210_E_TEMP_WARN 0x04
+#define DA9210_E_TEMP_CRIT 0x08
+#define DA9210_E_VMAX 0x10
+
+/* DA9210_REG_MASK_A (addr=0x54) */
+#define DA9210_M_GPI0 0x01
+#define DA9210_M_GPI1 0x02
+#define DA9210_M_GPI2 0x04
+#define DA9210_M_GPI3 0x08
+#define DA9210_M_GPI4 0x10
+#define DA9210_M_GPI5 0x20
+#define DA9210_M_GPI6 0x40
+
+/* DA9210_REG_MASK_B (addr=0x55) */
+#define DA9210_M_OVCURR 0x01
+#define DA9210_M_NPWRGOOD 0x02
+#define DA9210_M_TEMP_WARN 0x04
+#define DA9210_M_TEMP_CRIT 0x08
+#define DA9210_M_VMAX 0x10
+
+/* DA9210_REG_CONTROL_A (addr=0x56) */
+#define DA9210_DEBOUNCING_SHIFT 0
+#define DA9210_DEBOUNCING_MASK 0x07
+#define DA9210_SLEW_RATE_SHIFT 3
+#define DA9210_SLEW_RATE_MASK 0x18
+#define DA9210_V_LOCK 0x20
+
+/* DA9210_REG_GPIO_0_1 (addr=0x58) */
+#define DA9210_GPIO0_PIN_SHIFT 0
+#define DA9210_GPIO0_PIN_MASK 0x03
+#define DA9210_GPIO0_PIN_GPI 0x00
+#define DA9210_GPIO0_PIN_GPO_OD 0x02
+#define DA9210_GPIO0_PIN_GPO 0x03
+#define DA9210_GPIO0_TYPE 0x04
+#define DA9210_GPIO0_TYPE_GPI 0x00
+#define DA9210_GPIO0_TYPE_GPO 0x04
+#define DA9210_GPIO0_MODE 0x08
+#define DA9210_GPIO1_PIN_SHIFT 4
+#define DA9210_GPIO1_PIN_MASK 0x30
+#define DA9210_GPIO1_PIN_GPI 0x00
+#define DA9210_GPIO1_PIN_VERROR 0x10
+#define DA9210_GPIO1_PIN_GPO_OD 0x20
+#define DA9210_GPIO1_PIN_GPO 0x30
+#define DA9210_GPIO1_TYPE_SHIFT 0x40
+#define DA9210_GPIO1_TYPE_GPI 0x00
+#define DA9210_GPIO1_TYPE_GPO 0x40
+#define DA9210_GPIO1_MODE 0x80
+
+/* DA9210_REG_GPIO_2_3 (addr=0x59) */
+#define DA9210_GPIO2_PIN_SHIFT 0
+#define DA9210_GPIO2_PIN_MASK 0x03
+#define DA9210_GPIO2_PIN_GPI 0x00
+#define DA9210_GPIO5_PIN_BUCK_CLK 0x10
+#define DA9210_GPIO2_PIN_GPO_OD 0x02
+#define DA9210_GPIO2_PIN_GPO 0x03
+#define DA9210_GPIO2_TYPE 0x04
+#define DA9210_GPIO2_TYPE_GPI 0x00
+#define DA9210_GPIO2_TYPE_GPO 0x04
+#define DA9210_GPIO2_MODE 0x08
+#define DA9210_GPIO3_PIN_SHIFT 4
+#define DA9210_GPIO3_PIN_MASK 0x30
+#define DA9210_GPIO3_PIN_GPI 0x00
+#define DA9210_GPIO3_PIN_IERROR 0x10
+#define DA9210_GPIO3_PIN_GPO_OD 0x20
+#define DA9210_GPIO3_PIN_GPO 0x30
+#define DA9210_GPIO3_TYPE_SHIFT 0x40
+#define DA9210_GPIO3_TYPE_GPI 0x00
+#define DA9210_GPIO3_TYPE_GPO 0x40
+#define DA9210_GPIO3_MODE 0x80
+
+/* DA9210_REG_GPIO_4_5 (addr=0x5A) */
+#define DA9210_GPIO4_PIN_SHIFT 0
+#define DA9210_GPIO4_PIN_MASK 0x03
+#define DA9210_GPIO4_PIN_GPI 0x00
+#define DA9210_GPIO4_PIN_GPO_OD 0x02
+#define DA9210_GPIO4_PIN_GPO 0x03
+#define DA9210_GPIO4_TYPE 0x04
+#define DA9210_GPIO4_TYPE_GPI 0x00
+#define DA9210_GPIO4_TYPE_GPO 0x04
+#define DA9210_GPIO4_MODE 0x08
+#define DA9210_GPIO5_PIN_SHIFT 4
+#define DA9210_GPIO5_PIN_MASK 0x30
+#define DA9210_GPIO5_PIN_GPI 0x00
+#define DA9210_GPIO5_PIN_INTERFACE 0x01
+#define DA9210_GPIO5_PIN_GPO_OD 0x20
+#define DA9210_GPIO5_PIN_GPO 0x30
+#define DA9210_GPIO5_TYPE_SHIFT 0x40
+#define DA9210_GPIO5_TYPE_GPI 0x00
+#define DA9210_GPIO5_TYPE_GPO 0x40
+#define DA9210_GPIO5_MODE 0x80
+
+/* DA9210_REG_GPIO_6 (addr=0x5B) */
+#define DA9210_GPIO6_PIN_SHIFT 0
+#define DA9210_GPIO6_PIN_MASK 0x03
+#define DA9210_GPIO6_PIN_GPI 0x00
+#define DA9210_GPIO6_PIN_INTERFACE 0x01
+#define DA9210_GPIO6_PIN_GPO_OD 0x02
+#define DA9210_GPIO6_PIN_GPO 0x03
+#define DA9210_GPIO6_TYPE 0x04
+#define DA9210_GPIO6_TYPE_GPI 0x00
+#define DA9210_GPIO6_TYPE_GPO 0x04
+#define DA9210_GPIO6_MODE 0x08
+
+/* DA9210_REG_BUCK_CONT (addr=0x5D) */
+#define DA9210_BUCK_EN 0x01
+#define DA9210_BUCK_GPI_SHIFT 1
+#define DA9210_BUCK_GPI_MASK 0x06
+#define DA9210_BUCK_GPI_OFF 0x00
+#define DA9210_BUCK_GPI_GPIO0 0x02
+#define DA9210_BUCK_GPI_GPIO3 0x04
+#define DA9210_BUCK_GPI_GPIO4 0x06
+#define DA9210_BUCK_PD_DIS 0x08
+#define DA9210_VBUCK_SEL 0x10
+#define DA9210_VBUCK_SEL_A 0x00
+#define DA9210_VBUCK_SEL_B 0x10
+#define DA9210_VBUCK_GPI_SHIFT 5
+#define DA9210_VBUCK_GPI_MASK 0x60
+#define DA9210_VBUCK_GPI_OFF 0x00
+#define DA9210_VBUCK_GPI_GPIO0 0x20
+#define DA9210_VBUCK_GPI_GPIO3 0x40
+#define DA9210_VBUCK_GPI_GPIO4 0x60
+#define DA9210_DVC_CTRL_EN 0x80
+
+/* DA9210_REG_BUCK_ILIM (addr=0xD0) */
+#define DA9210_BUCK_ILIM_SHIFT 0
+#define DA9210_BUCK_ILIM_MASK 0x0F
+#define DA9210_BUCK_IALARM 0x10
+
+/* DA9210_REG_BUCK_CONF1 (addr=0xD1) */
+#define DA9210_BUCK_MODE_SHIFT 0
+#define DA9210_BUCK_MODE_MASK 0x03
+#define DA9210_BUCK_MODE_MANUAL 0x00
+#define DA9210_BUCK_MODE_SLEEP 0x01
+#define DA9210_BUCK_MODE_SYNC 0x02
+#define DA9210_BUCK_MODE_AUTO 0x03
+#define DA9210_STARTUP_CTRL_SHIFT 2
+#define DA9210_STARTUP_CTRL_MASK 0x1C
+#define DA9210_PWR_DOWN_CTRL_SHIFT 5
+#define DA9210_PWR_DOWN_CTRL_MASK 0xE0
+
+/* DA9210_REG_BUCK_CONF2 (addr=0xD2) */
+#define DA9210_PHASE_SEL_SHIFT 0
+#define DA9210_PHASE_SEL_MASK 0x03
+#define DA9210_FREQ_SEL 0x40
+
+/* DA9210_REG_BUCK_AUTO (addr=0xD4) */
+#define DA9210_VBUCK_AUTO_SHIFT 0
+#define DA9210_VBUCK_AUTO_MASK 0x7F
+
+/* DA9210_REG_BUCK_BASE (addr=0xD5) */
+#define DA9210_VBUCK_BASE_SHIFT 0
+#define DA9210_VBUCK_BASE_MASK 0x7F
+
+/* DA9210_REG_VBUCK_MAX_DVC_IF (addr=0xD6) */
+#define DA9210_VBUCK_MAX_SHIFT 0
+#define DA9210_VBUCK_MAX_MASK 0x7F
+#define DA9210_DVC_STEP_SIZE 0x80
+#define DA9210_DVC_STEP_SIZE_10MV 0x00
+#define DA9210_DVC_STEP_SIZE_20MV 0x80
+
+/* DA9210_REG_VBUCK_DVC (addr=0xD7) */
+#define DA9210_VBUCK_DVC_SHIFT 0
+#define DA9210_VBUCK_DVC_MASK 0x7F
+
+/* DA9210_REG_VBUCK_A/B (addr=0xD8/0xD9) */
+#define DA9210_VBUCK_SHIFT 0
+#define DA9210_VBUCK_MASK 0x7F
+#define DA9210_VBUCK_BIAS 0
+#define DA9210_BUCK_SL 0x80
+
+/* DA9210_REG_INTERFACE (addr=0x105) */
+#define DA9210_IF_BASE_ADDR_SHIFT 4
+#define DA9210_IF_BASE_ADDR_MASK 0xF0
+
+/* DA9210_REG_CONFIG_E (addr=0x147) */
+#define DA9210_STAND_ALONE 0x01
+
+#endif /* __DA9210_REGISTERS_H__ */
+
--
end-of-patch for PATCH V4
--
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