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https://github.com/torvalds/linux.git
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8de262531f
- Set 'struct device' fwnode when registering a new device
- New Drivers
- Add support for ROHM BD70528 PMIC
- New Device Support
- Add support for LP87561 4-Phase Regulator to TI LP87565 PMIC
- Add support for RK809 and RK817 to Rockchip RK808
- Add support for Lid Angle to ChromeOS core
- Add support for CS47L15 CODEC to Madera core
- Add support for CS47L92 CODEC to Madera core
- Add support for ChromeOS (legacy) Accelerometers in ChromeOS core
- Add support for Add Intel Elkhart Lake PCH to Intel LPSS
- New Functionality
- Provide regulator supply information when registering; madera-core
- Additional Device Tree support; lp87565, madera, cros-ec, rohm,bd71837-pmic
- Allow over-riding power button press via Device Tree; rohm-bd718x7
- Differentiate between running processors; cros_ec_dev
- Fix-ups
- Big header file update; cros_ec_commands.h
- Split header per-subsystem; rohm-bd718x7
- Remove superfluous code; menelaus, cs5535-mfd, cs47lXX-tables
- Trivial; sorting, coding style; intel-lpss-pci
- Only remove Power Off functionality if set locally; rk808
- Make use for Power Off Prepare(); rk808
- Fix spelling mistake in header guards; stmfx
- Properly free IDA resources
- SPDX fixups; cs47lXX-tables, madera
- Error path fixups; hi655x-pmic
- Bug Fixes
- Add missing break in case() statement
- Repair undefined behaviour when not initialising variables; arizona-core, madera-core
- Fix reference to Device Tree documentation; madera
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Merge tag 'mfd-next-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd
Pull MFD updates from Lee Jones:
"Core Frameworks:
- Set 'struct device' fwnode when registering a new device
New Drivers:
- Add support for ROHM BD70528 PMIC
New Device Support:
- Add support for LP87561 4-Phase Regulator to TI LP87565 PMIC
- Add support for RK809 and RK817 to Rockchip RK808
- Add support for Lid Angle to ChromeOS core
- Add support for CS47L15 CODEC to Madera core
- Add support for CS47L92 CODEC to Madera core
- Add support for ChromeOS (legacy) Accelerometers in ChromeOS core
- Add support for Add Intel Elkhart Lake PCH to Intel LPSS
New Functionality:
- Provide regulator supply information when registering; madera-core
- Additional Device Tree support; lp87565, madera, cros-ec, rohm,bd71837-pmic
- Allow over-riding power button press via Device Tree; rohm-bd718x7
- Differentiate between running processors; cros_ec_dev
Fix-ups:
- Big header file update; cros_ec_commands.h
- Split header per-subsystem; rohm-bd718x7
- Remove superfluous code; menelaus, cs5535-mfd, cs47lXX-tables
- Trivial; sorting, coding style; intel-lpss-pci
- Only remove Power Off functionality if set locally; rk808
- Make use for Power Off Prepare(); rk808
- Fix spelling mistake in header guards; stmfx
- Properly free IDA resources
- SPDX fixups; cs47lXX-tables, madera
- Error path fixups; hi655x-pmic
Bug Fixes:
- Add missing break in case() statement
- Repair undefined behaviour when not initialising variables; arizona-core, madera-core
- Fix reference to Device Tree documentation; madera"
* tag 'mfd-next-5.3' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (45 commits)
mfd: hi655x-pmic: Fix missing return value check for devm_regmap_init_mmio_clk
mfd: madera: Fixup SPDX headers
mfd: madera: Remove some unused registers and fix some defaults
mfd: intel-lpss: Release IDA resources
mfd: intel-lpss: Add Intel Elkhart Lake PCH PCI IDs
mfd: cs5535-mfd: Remove ifdef OLPC noise
mfd: stmfx: Fix macro definition spelling
dt-bindings: mfd: Add link to ROHM BD71847 Datasheet
MAINAINERS: Swap words in INTEL PMIC MULTIFUNCTION DEVICE DRIVERS
mfd: cros_ec_dev: Register cros_ec_accel_legacy driver as a subdevice
mfd: rk808: Prepare rk805 for poweroff
mfd: rk808: Check pm_power_off pointer
mfd: cros_ec: differentiate SCP from EC by feature bit
dt-bindings: Add binding for cros-ec-rpmsg
mfd: madera: Add Madera core support for CS47L92
mfd: madera: Add Madera core support for CS47L15
mfd: madera: Update DT bindings to add additional CODECs
mfd: madera: Add supply mapping for MICVDD
mfd: madera: Fix potential uninitialised use of variable
mfd: madera: Fix bad reference to pinctrl.txt file
...
1296 lines
36 KiB
C
1296 lines
36 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (C) 2018 ROHM Semiconductors
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// bd71837-regulator.c ROHM BD71837MWV/BD71847MWV regulator driver
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#include <linux/delay.h>
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#include <linux/err.h>
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#include <linux/interrupt.h>
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#include <linux/kernel.h>
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#include <linux/mfd/rohm-bd718x7.h>
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#include <linux/module.h>
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#include <linux/of.h>
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#include <linux/platform_device.h>
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#include <linux/regulator/driver.h>
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#include <linux/regulator/machine.h>
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#include <linux/regulator/of_regulator.h>
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#include <linux/slab.h>
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/*
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* BUCK1/2/3/4
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* BUCK1RAMPRATE[1:0] BUCK1 DVS ramp rate setting
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* 00: 10.00mV/usec 10mV 1uS
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* 01: 5.00mV/usec 10mV 2uS
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* 10: 2.50mV/usec 10mV 4uS
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* 11: 1.25mV/usec 10mV 8uS
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*/
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static int bd718xx_buck1234_set_ramp_delay(struct regulator_dev *rdev,
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int ramp_delay)
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{
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int id = rdev_get_id(rdev);
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unsigned int ramp_value;
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dev_dbg(&rdev->dev, "Buck[%d] Set Ramp = %d\n", id + 1,
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ramp_delay);
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switch (ramp_delay) {
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case 1 ... 1250:
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ramp_value = BUCK_RAMPRATE_1P25MV;
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break;
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case 1251 ... 2500:
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ramp_value = BUCK_RAMPRATE_2P50MV;
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break;
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case 2501 ... 5000:
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ramp_value = BUCK_RAMPRATE_5P00MV;
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break;
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case 5001 ... 10000:
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ramp_value = BUCK_RAMPRATE_10P00MV;
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break;
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default:
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ramp_value = BUCK_RAMPRATE_10P00MV;
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dev_err(&rdev->dev,
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"%s: ramp_delay: %d not supported, setting 10000mV//us\n",
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rdev->desc->name, ramp_delay);
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}
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return regmap_update_bits(rdev->regmap, BD718XX_REG_BUCK1_CTRL + id,
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BUCK_RAMPRATE_MASK, ramp_value << 6);
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}
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/* Bucks 1 to 4 support DVS. PWM mode is used when voltage is changed.
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* Bucks 5 to 8 and LDOs can use PFM and must be disabled when voltage
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* is changed. Hence we return -EBUSY for these if voltage is changed
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* when BUCK/LDO is enabled.
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*/
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static int bd718xx_set_voltage_sel_restricted(struct regulator_dev *rdev,
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unsigned int sel)
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{
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if (regulator_is_enabled_regmap(rdev))
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return -EBUSY;
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return regulator_set_voltage_sel_regmap(rdev, sel);
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}
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static int bd718xx_set_voltage_sel_pickable_restricted(
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struct regulator_dev *rdev, unsigned int sel)
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{
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if (regulator_is_enabled_regmap(rdev))
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return -EBUSY;
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return regulator_set_voltage_sel_pickable_regmap(rdev, sel);
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}
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static const struct regulator_ops bd718xx_pickable_range_ldo_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_pickable_linear_range,
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.set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
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.get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
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};
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static const struct regulator_ops bd718xx_pickable_range_buck_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_pickable_linear_range,
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.set_voltage_sel = bd718xx_set_voltage_sel_pickable_restricted,
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.get_voltage_sel = regulator_get_voltage_sel_pickable_regmap,
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.set_voltage_time_sel = regulator_set_voltage_time_sel,
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};
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static const struct regulator_ops bd718xx_ldo_regulator_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_linear_range,
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.set_voltage_sel = bd718xx_set_voltage_sel_restricted,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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};
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static const struct regulator_ops bd718xx_ldo_regulator_nolinear_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_table,
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.set_voltage_sel = bd718xx_set_voltage_sel_restricted,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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};
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static const struct regulator_ops bd718xx_buck_regulator_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_linear_range,
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.set_voltage_sel = bd718xx_set_voltage_sel_restricted,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = regulator_set_voltage_time_sel,
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};
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static const struct regulator_ops bd718xx_buck_regulator_nolinear_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_table,
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.map_voltage = regulator_map_voltage_ascend,
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.set_voltage_sel = bd718xx_set_voltage_sel_restricted,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = regulator_set_voltage_time_sel,
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};
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static const struct regulator_ops bd718xx_dvs_buck_regulator_ops = {
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.enable = regulator_enable_regmap,
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.disable = regulator_disable_regmap,
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.is_enabled = regulator_is_enabled_regmap,
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.list_voltage = regulator_list_voltage_linear_range,
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.set_voltage_sel = regulator_set_voltage_sel_regmap,
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.get_voltage_sel = regulator_get_voltage_sel_regmap,
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.set_voltage_time_sel = regulator_set_voltage_time_sel,
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.set_ramp_delay = bd718xx_buck1234_set_ramp_delay,
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};
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/*
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* BD71837 BUCK1/2/3/4
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* BD71847 BUCK1/2
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* 0.70 to 1.30V (10mV step)
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*/
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static const struct regulator_linear_range bd718xx_dvs_buck_volts[] = {
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REGULATOR_LINEAR_RANGE(700000, 0x00, 0x3C, 10000),
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REGULATOR_LINEAR_RANGE(1300000, 0x3D, 0x3F, 0),
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};
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/*
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* BD71837 BUCK5
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* 0.7V to 1.35V (range 0)
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* and
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* 0.675 to 1.325 (range 1)
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*/
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static const struct regulator_linear_range bd71837_buck5_volts[] = {
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/* Ranges when VOLT_SEL bit is 0 */
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REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
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REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
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REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
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/* Ranges when VOLT_SEL bit is 1 */
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REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
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REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
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REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
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};
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/*
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* Range selector for first 3 linear ranges is 0x0
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* and 0x1 for last 3 ranges.
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*/
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static const unsigned int bd71837_buck5_volt_range_sel[] = {
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0x0, 0x0, 0x0, 0x80, 0x80, 0x80
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};
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/*
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* BD71847 BUCK3
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*/
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static const struct regulator_linear_range bd71847_buck3_volts[] = {
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/* Ranges when VOLT_SEL bits are 00 */
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REGULATOR_LINEAR_RANGE(700000, 0x00, 0x03, 100000),
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REGULATOR_LINEAR_RANGE(1050000, 0x04, 0x05, 50000),
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REGULATOR_LINEAR_RANGE(1200000, 0x06, 0x07, 150000),
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/* Ranges when VOLT_SEL bits are 01 */
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REGULATOR_LINEAR_RANGE(550000, 0x0, 0x7, 50000),
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/* Ranges when VOLT_SEL bits are 11 */
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REGULATOR_LINEAR_RANGE(675000, 0x0, 0x3, 100000),
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REGULATOR_LINEAR_RANGE(1025000, 0x4, 0x5, 50000),
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REGULATOR_LINEAR_RANGE(1175000, 0x6, 0x7, 150000),
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};
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static const unsigned int bd71847_buck3_volt_range_sel[] = {
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0x0, 0x0, 0x0, 0x40, 0x80, 0x80, 0x80
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};
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static const struct regulator_linear_range bd71847_buck4_volts[] = {
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REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
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REGULATOR_LINEAR_RANGE(2600000, 0x00, 0x03, 100000),
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};
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static const unsigned int bd71847_buck4_volt_range_sel[] = { 0x0, 0x40 };
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/*
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* BUCK6
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* 3.0V to 3.3V (step 100mV)
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*/
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static const struct regulator_linear_range bd71837_buck6_volts[] = {
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REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
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};
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/*
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* BD71837 BUCK7
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* BD71847 BUCK5
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* 000 = 1.605V
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* 001 = 1.695V
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* 010 = 1.755V
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* 011 = 1.8V (Initial)
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* 100 = 1.845V
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* 101 = 1.905V
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* 110 = 1.95V
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* 111 = 1.995V
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*/
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static const unsigned int bd718xx_3rd_nodvs_buck_volts[] = {
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1605000, 1695000, 1755000, 1800000, 1845000, 1905000, 1950000, 1995000
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};
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/*
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* BUCK8
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* 0.8V to 1.40V (step 10mV)
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*/
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static const struct regulator_linear_range bd718xx_4th_nodvs_buck_volts[] = {
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REGULATOR_LINEAR_RANGE(800000, 0x00, 0x3C, 10000),
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};
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/*
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* LDO1
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* 3.0 to 3.3V (100mV step)
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*/
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static const struct regulator_linear_range bd718xx_ldo1_volts[] = {
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REGULATOR_LINEAR_RANGE(3000000, 0x00, 0x03, 100000),
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REGULATOR_LINEAR_RANGE(1600000, 0x00, 0x03, 100000),
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};
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static const unsigned int bd718xx_ldo1_volt_range_sel[] = { 0x0, 0x20 };
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/*
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* LDO2
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* 0.8 or 0.9V
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*/
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static const unsigned int ldo_2_volts[] = {
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900000, 800000
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};
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/*
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* LDO3
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* 1.8 to 3.3V (100mV step)
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*/
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static const struct regulator_linear_range bd718xx_ldo3_volts[] = {
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REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
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};
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/*
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* LDO4
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* 0.9 to 1.8V (100mV step)
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*/
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static const struct regulator_linear_range bd718xx_ldo4_volts[] = {
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REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
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};
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/*
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* LDO5 for BD71837
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* 1.8 to 3.3V (100mV step)
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*/
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static const struct regulator_linear_range bd71837_ldo5_volts[] = {
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REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
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};
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/*
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* LDO5 for BD71837
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* 1.8 to 3.3V (100mV step)
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*/
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static const struct regulator_linear_range bd71847_ldo5_volts[] = {
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REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
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REGULATOR_LINEAR_RANGE(800000, 0x00, 0x0F, 100000),
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};
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static const unsigned int bd71847_ldo5_volt_range_sel[] = { 0x0, 0x20 };
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/*
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* LDO6
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* 0.9 to 1.8V (100mV step)
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*/
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static const struct regulator_linear_range bd718xx_ldo6_volts[] = {
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REGULATOR_LINEAR_RANGE(900000, 0x00, 0x09, 100000),
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};
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/*
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* LDO7
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* 1.8 to 3.3V (100mV step)
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*/
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static const struct regulator_linear_range bd71837_ldo7_volts[] = {
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REGULATOR_LINEAR_RANGE(1800000, 0x00, 0x0F, 100000),
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};
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struct reg_init {
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unsigned int reg;
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unsigned int mask;
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unsigned int val;
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};
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struct bd718xx_regulator_data {
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struct regulator_desc desc;
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const struct reg_init init;
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const struct reg_init *additional_inits;
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int additional_init_amnt;
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};
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/*
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* There is a HW quirk in BD71837. The shutdown sequence timings for
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* bucks/LDOs which are controlled via register interface are changed.
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* At PMIC poweroff the voltage for BUCK6/7 is cut immediately at the
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* beginning of shut-down sequence. As bucks 6 and 7 are parent
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* supplies for LDO5 and LDO6 - this causes LDO5/6 voltage
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* monitoring to errorneously detect under voltage and force PMIC to
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* emergency state instead of poweroff. In order to avoid this we
|
|
* disable voltage monitoring for LDO5 and LDO6
|
|
*/
|
|
static const struct reg_init bd71837_ldo5_inits[] = {
|
|
{
|
|
.reg = BD718XX_REG_MVRFLTMASK2,
|
|
.mask = BD718XX_LDO5_VRMON80,
|
|
.val = BD718XX_LDO5_VRMON80,
|
|
},
|
|
};
|
|
|
|
static const struct reg_init bd71837_ldo6_inits[] = {
|
|
{
|
|
.reg = BD718XX_REG_MVRFLTMASK2,
|
|
.mask = BD718XX_LDO6_VRMON80,
|
|
.val = BD718XX_LDO6_VRMON80,
|
|
},
|
|
};
|
|
|
|
#define NUM_DVS_BUCKS 4
|
|
|
|
struct of_dvs_setting {
|
|
const char *prop;
|
|
unsigned int reg;
|
|
};
|
|
|
|
static int set_dvs_levels(const struct of_dvs_setting *dvs,
|
|
struct device_node *np,
|
|
const struct regulator_desc *desc,
|
|
struct regmap *regmap)
|
|
{
|
|
int ret, i;
|
|
unsigned int uv;
|
|
|
|
ret = of_property_read_u32(np, dvs->prop, &uv);
|
|
if (ret) {
|
|
if (ret != -EINVAL)
|
|
return ret;
|
|
return 0;
|
|
}
|
|
|
|
for (i = 0; i < desc->n_voltages; i++) {
|
|
ret = regulator_desc_list_voltage_linear_range(desc, i);
|
|
if (ret < 0)
|
|
continue;
|
|
if (ret == uv) {
|
|
i <<= ffs(desc->vsel_mask) - 1;
|
|
ret = regmap_update_bits(regmap, dvs->reg,
|
|
DVS_BUCK_RUN_MASK, i);
|
|
break;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int buck4_set_hw_dvs_levels(struct device_node *np,
|
|
const struct regulator_desc *desc,
|
|
struct regulator_config *cfg)
|
|
{
|
|
int ret, i;
|
|
const struct of_dvs_setting dvs[] = {
|
|
{
|
|
.prop = "rohm,dvs-run-voltage",
|
|
.reg = BD71837_REG_BUCK4_VOLT_RUN,
|
|
},
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dvs); i++) {
|
|
ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
|
|
if (ret)
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
static int buck3_set_hw_dvs_levels(struct device_node *np,
|
|
const struct regulator_desc *desc,
|
|
struct regulator_config *cfg)
|
|
{
|
|
int ret, i;
|
|
const struct of_dvs_setting dvs[] = {
|
|
{
|
|
.prop = "rohm,dvs-run-voltage",
|
|
.reg = BD71837_REG_BUCK3_VOLT_RUN,
|
|
},
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dvs); i++) {
|
|
ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
|
|
if (ret)
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int buck2_set_hw_dvs_levels(struct device_node *np,
|
|
const struct regulator_desc *desc,
|
|
struct regulator_config *cfg)
|
|
{
|
|
int ret, i;
|
|
const struct of_dvs_setting dvs[] = {
|
|
{
|
|
.prop = "rohm,dvs-run-voltage",
|
|
.reg = BD718XX_REG_BUCK2_VOLT_RUN,
|
|
},
|
|
{
|
|
.prop = "rohm,dvs-idle-voltage",
|
|
.reg = BD718XX_REG_BUCK2_VOLT_IDLE,
|
|
},
|
|
};
|
|
|
|
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dvs); i++) {
|
|
ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
|
|
if (ret)
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int buck1_set_hw_dvs_levels(struct device_node *np,
|
|
const struct regulator_desc *desc,
|
|
struct regulator_config *cfg)
|
|
{
|
|
int ret, i;
|
|
const struct of_dvs_setting dvs[] = {
|
|
{
|
|
.prop = "rohm,dvs-run-voltage",
|
|
.reg = BD718XX_REG_BUCK1_VOLT_RUN,
|
|
},
|
|
{
|
|
.prop = "rohm,dvs-idle-voltage",
|
|
.reg = BD718XX_REG_BUCK1_VOLT_IDLE,
|
|
},
|
|
{
|
|
.prop = "rohm,dvs-suspend-voltage",
|
|
.reg = BD718XX_REG_BUCK1_VOLT_SUSP,
|
|
},
|
|
};
|
|
|
|
for (i = 0; i < ARRAY_SIZE(dvs); i++) {
|
|
ret = set_dvs_levels(&dvs[i], np, desc, cfg->regmap);
|
|
if (ret)
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static const struct bd718xx_regulator_data bd71847_regulators[] = {
|
|
{
|
|
.desc = {
|
|
.name = "buck1",
|
|
.of_match = of_match_ptr("BUCK1"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_BUCK1,
|
|
.ops = &bd718xx_dvs_buck_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_dvs_buck_volts,
|
|
.n_linear_ranges =
|
|
ARRAY_SIZE(bd718xx_dvs_buck_volts),
|
|
.vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN,
|
|
.vsel_mask = DVS_BUCK_RUN_MASK,
|
|
.enable_reg = BD718XX_REG_BUCK1_CTRL,
|
|
.enable_mask = BD718XX_BUCK_EN,
|
|
.owner = THIS_MODULE,
|
|
.of_parse_cb = buck1_set_hw_dvs_levels,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_BUCK1_CTRL,
|
|
.mask = BD718XX_BUCK_SEL,
|
|
.val = BD718XX_BUCK_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "buck2",
|
|
.of_match = of_match_ptr("BUCK2"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_BUCK2,
|
|
.ops = &bd718xx_dvs_buck_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_dvs_buck_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
|
|
.vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN,
|
|
.vsel_mask = DVS_BUCK_RUN_MASK,
|
|
.enable_reg = BD718XX_REG_BUCK2_CTRL,
|
|
.enable_mask = BD718XX_BUCK_EN,
|
|
.owner = THIS_MODULE,
|
|
.of_parse_cb = buck2_set_hw_dvs_levels,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_BUCK2_CTRL,
|
|
.mask = BD718XX_BUCK_SEL,
|
|
.val = BD718XX_BUCK_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "buck3",
|
|
.of_match = of_match_ptr("BUCK3"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_BUCK3,
|
|
.ops = &bd718xx_pickable_range_buck_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD71847_BUCK3_VOLTAGE_NUM,
|
|
.linear_ranges = bd71847_buck3_volts,
|
|
.n_linear_ranges =
|
|
ARRAY_SIZE(bd71847_buck3_volts),
|
|
.vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
|
|
.vsel_mask = BD718XX_1ST_NODVS_BUCK_MASK,
|
|
.vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
|
|
.vsel_range_mask = BD71847_BUCK3_RANGE_MASK,
|
|
.linear_range_selectors = bd71847_buck3_volt_range_sel,
|
|
.enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
|
|
.enable_mask = BD718XX_BUCK_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
|
|
.mask = BD718XX_BUCK_SEL,
|
|
.val = BD718XX_BUCK_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "buck4",
|
|
.of_match = of_match_ptr("BUCK4"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_BUCK4,
|
|
.ops = &bd718xx_pickable_range_buck_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD71847_BUCK4_VOLTAGE_NUM,
|
|
.linear_ranges = bd71847_buck4_volts,
|
|
.n_linear_ranges =
|
|
ARRAY_SIZE(bd71847_buck4_volts),
|
|
.enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
|
|
.vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
|
|
.vsel_mask = BD71847_BUCK4_MASK,
|
|
.vsel_range_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
|
|
.vsel_range_mask = BD71847_BUCK4_RANGE_MASK,
|
|
.linear_range_selectors = bd71847_buck4_volt_range_sel,
|
|
.enable_mask = BD718XX_BUCK_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
|
|
.mask = BD718XX_BUCK_SEL,
|
|
.val = BD718XX_BUCK_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "buck5",
|
|
.of_match = of_match_ptr("BUCK5"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_BUCK5,
|
|
.ops = &bd718xx_buck_regulator_nolinear_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.volt_table = &bd718xx_3rd_nodvs_buck_volts[0],
|
|
.n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts),
|
|
.vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT,
|
|
.vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
|
|
.enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
|
|
.enable_mask = BD718XX_BUCK_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
|
|
.mask = BD718XX_BUCK_SEL,
|
|
.val = BD718XX_BUCK_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "buck6",
|
|
.of_match = of_match_ptr("BUCK6"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_BUCK6,
|
|
.ops = &bd718xx_buck_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_4th_nodvs_buck_volts,
|
|
.n_linear_ranges =
|
|
ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
|
|
.vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT,
|
|
.vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
|
|
.enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
|
|
.enable_mask = BD718XX_BUCK_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
|
|
.mask = BD718XX_BUCK_SEL,
|
|
.val = BD718XX_BUCK_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo1",
|
|
.of_match = of_match_ptr("LDO1"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO1,
|
|
.ops = &bd718xx_pickable_range_ldo_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_ldo1_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
|
|
.vsel_reg = BD718XX_REG_LDO1_VOLT,
|
|
.vsel_mask = BD718XX_LDO1_MASK,
|
|
.vsel_range_reg = BD718XX_REG_LDO1_VOLT,
|
|
.vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
|
|
.linear_range_selectors = bd718xx_ldo1_volt_range_sel,
|
|
.enable_reg = BD718XX_REG_LDO1_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO1_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo2",
|
|
.of_match = of_match_ptr("LDO2"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO2,
|
|
.ops = &bd718xx_ldo_regulator_nolinear_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.volt_table = &ldo_2_volts[0],
|
|
.vsel_reg = BD718XX_REG_LDO2_VOLT,
|
|
.vsel_mask = BD718XX_LDO2_MASK,
|
|
.n_voltages = ARRAY_SIZE(ldo_2_volts),
|
|
.enable_reg = BD718XX_REG_LDO2_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO2_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo3",
|
|
.of_match = of_match_ptr("LDO3"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO3,
|
|
.ops = &bd718xx_ldo_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_LDO3_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_ldo3_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts),
|
|
.vsel_reg = BD718XX_REG_LDO3_VOLT,
|
|
.vsel_mask = BD718XX_LDO3_MASK,
|
|
.enable_reg = BD718XX_REG_LDO3_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO3_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo4",
|
|
.of_match = of_match_ptr("LDO4"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO4,
|
|
.ops = &bd718xx_ldo_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_LDO4_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_ldo4_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts),
|
|
.vsel_reg = BD718XX_REG_LDO4_VOLT,
|
|
.vsel_mask = BD718XX_LDO4_MASK,
|
|
.enable_reg = BD718XX_REG_LDO4_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO4_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo5",
|
|
.of_match = of_match_ptr("LDO5"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO5,
|
|
.ops = &bd718xx_pickable_range_ldo_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD71847_LDO5_VOLTAGE_NUM,
|
|
.linear_ranges = bd71847_ldo5_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd71847_ldo5_volts),
|
|
.vsel_reg = BD718XX_REG_LDO5_VOLT,
|
|
.vsel_mask = BD71847_LDO5_MASK,
|
|
.vsel_range_reg = BD718XX_REG_LDO5_VOLT,
|
|
.vsel_range_mask = BD71847_LDO5_RANGE_MASK,
|
|
.linear_range_selectors = bd71847_ldo5_volt_range_sel,
|
|
.enable_reg = BD718XX_REG_LDO5_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO5_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo6",
|
|
.of_match = of_match_ptr("LDO6"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO6,
|
|
.ops = &bd718xx_ldo_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_LDO6_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_ldo6_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts),
|
|
/* LDO6 is supplied by buck5 */
|
|
.supply_name = "buck5",
|
|
.vsel_reg = BD718XX_REG_LDO6_VOLT,
|
|
.vsel_mask = BD718XX_LDO6_MASK,
|
|
.enable_reg = BD718XX_REG_LDO6_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO6_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
};
|
|
|
|
static const struct bd718xx_regulator_data bd71837_regulators[] = {
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{
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.desc = {
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.name = "buck1",
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.of_match = of_match_ptr("BUCK1"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD718XX_BUCK1,
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.ops = &bd718xx_dvs_buck_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
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.linear_ranges = bd718xx_dvs_buck_volts,
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.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
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.vsel_reg = BD718XX_REG_BUCK1_VOLT_RUN,
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD718XX_REG_BUCK1_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.owner = THIS_MODULE,
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.of_parse_cb = buck1_set_hw_dvs_levels,
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},
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.init = {
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.reg = BD718XX_REG_BUCK1_CTRL,
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.mask = BD718XX_BUCK_SEL,
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.val = BD718XX_BUCK_SEL,
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},
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},
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{
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.desc = {
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.name = "buck2",
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.of_match = of_match_ptr("BUCK2"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD718XX_BUCK2,
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.ops = &bd718xx_dvs_buck_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
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.linear_ranges = bd718xx_dvs_buck_volts,
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.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
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.vsel_reg = BD718XX_REG_BUCK2_VOLT_RUN,
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD718XX_REG_BUCK2_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.owner = THIS_MODULE,
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.of_parse_cb = buck2_set_hw_dvs_levels,
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},
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.init = {
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.reg = BD718XX_REG_BUCK2_CTRL,
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.mask = BD718XX_BUCK_SEL,
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.val = BD718XX_BUCK_SEL,
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},
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},
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{
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.desc = {
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.name = "buck3",
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.of_match = of_match_ptr("BUCK3"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD718XX_BUCK3,
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.ops = &bd718xx_dvs_buck_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
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.linear_ranges = bd718xx_dvs_buck_volts,
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.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
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.vsel_reg = BD71837_REG_BUCK3_VOLT_RUN,
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD71837_REG_BUCK3_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.owner = THIS_MODULE,
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.of_parse_cb = buck3_set_hw_dvs_levels,
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},
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.init = {
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.reg = BD71837_REG_BUCK3_CTRL,
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.mask = BD718XX_BUCK_SEL,
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.val = BD718XX_BUCK_SEL,
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},
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},
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{
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.desc = {
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.name = "buck4",
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.of_match = of_match_ptr("BUCK4"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD718XX_BUCK4,
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.ops = &bd718xx_dvs_buck_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.n_voltages = BD718XX_DVS_BUCK_VOLTAGE_NUM,
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.linear_ranges = bd718xx_dvs_buck_volts,
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.n_linear_ranges = ARRAY_SIZE(bd718xx_dvs_buck_volts),
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.vsel_reg = BD71837_REG_BUCK4_VOLT_RUN,
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.vsel_mask = DVS_BUCK_RUN_MASK,
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.enable_reg = BD71837_REG_BUCK4_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.owner = THIS_MODULE,
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.of_parse_cb = buck4_set_hw_dvs_levels,
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},
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.init = {
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.reg = BD71837_REG_BUCK4_CTRL,
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.mask = BD718XX_BUCK_SEL,
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.val = BD718XX_BUCK_SEL,
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},
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},
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{
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.desc = {
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.name = "buck5",
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.of_match = of_match_ptr("BUCK5"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD718XX_BUCK5,
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.ops = &bd718xx_pickable_range_buck_ops,
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.type = REGULATOR_VOLTAGE,
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.n_voltages = BD71837_BUCK5_VOLTAGE_NUM,
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.linear_ranges = bd71837_buck5_volts,
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.n_linear_ranges =
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ARRAY_SIZE(bd71837_buck5_volts),
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.vsel_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
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.vsel_mask = BD71837_BUCK5_MASK,
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.vsel_range_reg = BD718XX_REG_1ST_NODVS_BUCK_VOLT,
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.vsel_range_mask = BD71837_BUCK5_RANGE_MASK,
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.linear_range_selectors = bd71837_buck5_volt_range_sel,
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.enable_reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.owner = THIS_MODULE,
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},
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.init = {
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.reg = BD718XX_REG_1ST_NODVS_BUCK_CTRL,
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.mask = BD718XX_BUCK_SEL,
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.val = BD718XX_BUCK_SEL,
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},
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},
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{
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|
.desc = {
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.name = "buck6",
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.of_match = of_match_ptr("BUCK6"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD718XX_BUCK6,
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.ops = &bd718xx_buck_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.n_voltages = BD71837_BUCK6_VOLTAGE_NUM,
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.linear_ranges = bd71837_buck6_volts,
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.n_linear_ranges =
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ARRAY_SIZE(bd71837_buck6_volts),
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.vsel_reg = BD718XX_REG_2ND_NODVS_BUCK_VOLT,
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.vsel_mask = BD71837_BUCK6_MASK,
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.enable_reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.owner = THIS_MODULE,
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},
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.init = {
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.reg = BD718XX_REG_2ND_NODVS_BUCK_CTRL,
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.mask = BD718XX_BUCK_SEL,
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.val = BD718XX_BUCK_SEL,
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},
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|
},
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{
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|
.desc = {
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.name = "buck7",
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.of_match = of_match_ptr("BUCK7"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD718XX_BUCK7,
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.ops = &bd718xx_buck_regulator_nolinear_ops,
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.type = REGULATOR_VOLTAGE,
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.volt_table = &bd718xx_3rd_nodvs_buck_volts[0],
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.n_voltages = ARRAY_SIZE(bd718xx_3rd_nodvs_buck_volts),
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.vsel_reg = BD718XX_REG_3RD_NODVS_BUCK_VOLT,
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.vsel_mask = BD718XX_3RD_NODVS_BUCK_MASK,
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|
.enable_reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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|
.owner = THIS_MODULE,
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},
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|
.init = {
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|
.reg = BD718XX_REG_3RD_NODVS_BUCK_CTRL,
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|
.mask = BD718XX_BUCK_SEL,
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.val = BD718XX_BUCK_SEL,
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|
},
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|
},
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|
{
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|
.desc = {
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|
.name = "buck8",
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|
.of_match = of_match_ptr("BUCK8"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD718XX_BUCK8,
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.ops = &bd718xx_buck_regulator_ops,
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.type = REGULATOR_VOLTAGE,
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.n_voltages = BD718XX_4TH_NODVS_BUCK_VOLTAGE_NUM,
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.linear_ranges = bd718xx_4th_nodvs_buck_volts,
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.n_linear_ranges =
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ARRAY_SIZE(bd718xx_4th_nodvs_buck_volts),
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.vsel_reg = BD718XX_REG_4TH_NODVS_BUCK_VOLT,
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.vsel_mask = BD718XX_4TH_NODVS_BUCK_MASK,
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.enable_reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
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.enable_mask = BD718XX_BUCK_EN,
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.owner = THIS_MODULE,
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},
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.init = {
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.reg = BD718XX_REG_4TH_NODVS_BUCK_CTRL,
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.mask = BD718XX_BUCK_SEL,
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.val = BD718XX_BUCK_SEL,
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},
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},
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{
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.desc = {
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.name = "ldo1",
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|
.of_match = of_match_ptr("LDO1"),
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.regulators_node = of_match_ptr("regulators"),
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.id = BD718XX_LDO1,
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.ops = &bd718xx_pickable_range_ldo_ops,
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.type = REGULATOR_VOLTAGE,
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.n_voltages = BD718XX_LDO1_VOLTAGE_NUM,
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.linear_ranges = bd718xx_ldo1_volts,
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.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo1_volts),
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.vsel_reg = BD718XX_REG_LDO1_VOLT,
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.vsel_mask = BD718XX_LDO1_MASK,
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.vsel_range_reg = BD718XX_REG_LDO1_VOLT,
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.vsel_range_mask = BD718XX_LDO1_RANGE_MASK,
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.linear_range_selectors = bd718xx_ldo1_volt_range_sel,
|
|
.enable_reg = BD718XX_REG_LDO1_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
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|
.owner = THIS_MODULE,
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|
},
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|
.init = {
|
|
.reg = BD718XX_REG_LDO1_VOLT,
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.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo2",
|
|
.of_match = of_match_ptr("LDO2"),
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|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO2,
|
|
.ops = &bd718xx_ldo_regulator_nolinear_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.volt_table = &ldo_2_volts[0],
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|
.vsel_reg = BD718XX_REG_LDO2_VOLT,
|
|
.vsel_mask = BD718XX_LDO2_MASK,
|
|
.n_voltages = ARRAY_SIZE(ldo_2_volts),
|
|
.enable_reg = BD718XX_REG_LDO2_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO2_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo3",
|
|
.of_match = of_match_ptr("LDO3"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO3,
|
|
.ops = &bd718xx_ldo_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_LDO3_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_ldo3_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo3_volts),
|
|
.vsel_reg = BD718XX_REG_LDO3_VOLT,
|
|
.vsel_mask = BD718XX_LDO3_MASK,
|
|
.enable_reg = BD718XX_REG_LDO3_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO3_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo4",
|
|
.of_match = of_match_ptr("LDO4"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO4,
|
|
.ops = &bd718xx_ldo_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_LDO4_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_ldo4_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo4_volts),
|
|
.vsel_reg = BD718XX_REG_LDO4_VOLT,
|
|
.vsel_mask = BD718XX_LDO4_MASK,
|
|
.enable_reg = BD718XX_REG_LDO4_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO4_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo5",
|
|
.of_match = of_match_ptr("LDO5"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO5,
|
|
.ops = &bd718xx_ldo_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD71837_LDO5_VOLTAGE_NUM,
|
|
.linear_ranges = bd71837_ldo5_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo5_volts),
|
|
/* LDO5 is supplied by buck6 */
|
|
.supply_name = "buck6",
|
|
.vsel_reg = BD718XX_REG_LDO5_VOLT,
|
|
.vsel_mask = BD71837_LDO5_MASK,
|
|
.enable_reg = BD718XX_REG_LDO5_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO5_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
.additional_inits = bd71837_ldo5_inits,
|
|
.additional_init_amnt = ARRAY_SIZE(bd71837_ldo5_inits),
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo6",
|
|
.of_match = of_match_ptr("LDO6"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO6,
|
|
.ops = &bd718xx_ldo_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD718XX_LDO6_VOLTAGE_NUM,
|
|
.linear_ranges = bd718xx_ldo6_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd718xx_ldo6_volts),
|
|
/* LDO6 is supplied by buck7 */
|
|
.supply_name = "buck7",
|
|
.vsel_reg = BD718XX_REG_LDO6_VOLT,
|
|
.vsel_mask = BD718XX_LDO6_MASK,
|
|
.enable_reg = BD718XX_REG_LDO6_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD718XX_REG_LDO6_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
.additional_inits = bd71837_ldo6_inits,
|
|
.additional_init_amnt = ARRAY_SIZE(bd71837_ldo6_inits),
|
|
},
|
|
{
|
|
.desc = {
|
|
.name = "ldo7",
|
|
.of_match = of_match_ptr("LDO7"),
|
|
.regulators_node = of_match_ptr("regulators"),
|
|
.id = BD718XX_LDO7,
|
|
.ops = &bd718xx_ldo_regulator_ops,
|
|
.type = REGULATOR_VOLTAGE,
|
|
.n_voltages = BD71837_LDO7_VOLTAGE_NUM,
|
|
.linear_ranges = bd71837_ldo7_volts,
|
|
.n_linear_ranges = ARRAY_SIZE(bd71837_ldo7_volts),
|
|
.vsel_reg = BD71837_REG_LDO7_VOLT,
|
|
.vsel_mask = BD71837_LDO7_MASK,
|
|
.enable_reg = BD71837_REG_LDO7_VOLT,
|
|
.enable_mask = BD718XX_LDO_EN,
|
|
.owner = THIS_MODULE,
|
|
},
|
|
.init = {
|
|
.reg = BD71837_REG_LDO7_VOLT,
|
|
.mask = BD718XX_LDO_SEL,
|
|
.val = BD718XX_LDO_SEL,
|
|
},
|
|
},
|
|
};
|
|
|
|
struct bd718xx_pmic_inits {
|
|
const struct bd718xx_regulator_data *r_datas;
|
|
unsigned int r_amount;
|
|
};
|
|
|
|
static int bd718xx_probe(struct platform_device *pdev)
|
|
{
|
|
struct bd718xx *mfd;
|
|
struct regulator_config config = { 0 };
|
|
struct bd718xx_pmic_inits pmic_regulators[ROHM_CHIP_TYPE_AMOUNT] = {
|
|
[ROHM_CHIP_TYPE_BD71837] = {
|
|
.r_datas = bd71837_regulators,
|
|
.r_amount = ARRAY_SIZE(bd71837_regulators),
|
|
},
|
|
[ROHM_CHIP_TYPE_BD71847] = {
|
|
.r_datas = bd71847_regulators,
|
|
.r_amount = ARRAY_SIZE(bd71847_regulators),
|
|
},
|
|
};
|
|
|
|
int i, j, err;
|
|
bool use_snvs;
|
|
|
|
mfd = dev_get_drvdata(pdev->dev.parent);
|
|
if (!mfd) {
|
|
dev_err(&pdev->dev, "No MFD driver data\n");
|
|
err = -EINVAL;
|
|
goto err;
|
|
}
|
|
|
|
if (mfd->chip.chip_type >= ROHM_CHIP_TYPE_AMOUNT ||
|
|
!pmic_regulators[mfd->chip.chip_type].r_datas) {
|
|
dev_err(&pdev->dev, "Unsupported chip type\n");
|
|
err = -EINVAL;
|
|
goto err;
|
|
}
|
|
|
|
/* Register LOCK release */
|
|
err = regmap_update_bits(mfd->chip.regmap, BD718XX_REG_REGLOCK,
|
|
(REGLOCK_PWRSEQ | REGLOCK_VREG), 0);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Failed to unlock PMIC (%d)\n", err);
|
|
goto err;
|
|
} else {
|
|
dev_dbg(&pdev->dev, "Unlocked lock register 0x%x\n",
|
|
BD718XX_REG_REGLOCK);
|
|
}
|
|
|
|
use_snvs = of_property_read_bool(pdev->dev.parent->of_node,
|
|
"rohm,reset-snvs-powered");
|
|
|
|
/*
|
|
* Change the next stage from poweroff to be READY instead of SNVS
|
|
* for all reset types because OTP loading at READY will clear SEL
|
|
* bit allowing HW defaults for power rails to be used
|
|
*/
|
|
if (!use_snvs) {
|
|
err = regmap_update_bits(mfd->chip.regmap,
|
|
BD718XX_REG_TRANS_COND1,
|
|
BD718XX_ON_REQ_POWEROFF_MASK |
|
|
BD718XX_SWRESET_POWEROFF_MASK |
|
|
BD718XX_WDOG_POWEROFF_MASK |
|
|
BD718XX_KEY_L_POWEROFF_MASK,
|
|
BD718XX_POWOFF_TO_RDY);
|
|
if (err) {
|
|
dev_err(&pdev->dev, "Failed to change reset target\n");
|
|
goto err;
|
|
} else {
|
|
dev_dbg(&pdev->dev,
|
|
"Changed all resets from SVNS to READY\n");
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < pmic_regulators[mfd->chip.chip_type].r_amount; i++) {
|
|
|
|
const struct regulator_desc *desc;
|
|
struct regulator_dev *rdev;
|
|
const struct bd718xx_regulator_data *r;
|
|
|
|
r = &pmic_regulators[mfd->chip.chip_type].r_datas[i];
|
|
desc = &r->desc;
|
|
|
|
config.dev = pdev->dev.parent;
|
|
config.regmap = mfd->chip.regmap;
|
|
|
|
rdev = devm_regulator_register(&pdev->dev, desc, &config);
|
|
if (IS_ERR(rdev)) {
|
|
dev_err(&pdev->dev,
|
|
"failed to register %s regulator\n",
|
|
desc->name);
|
|
err = PTR_ERR(rdev);
|
|
goto err;
|
|
}
|
|
|
|
/*
|
|
* Regulator register gets the regulator constraints and
|
|
* applies them (set_machine_constraints). This should have
|
|
* turned the control register(s) to correct values and we
|
|
* can now switch the control from PMIC state machine to the
|
|
* register interface
|
|
*
|
|
* At poweroff transition PMIC HW disables EN bit for
|
|
* regulators but leaves SEL bit untouched. So if state
|
|
* transition from POWEROFF is done to SNVS - then all power
|
|
* rails controlled by SW (having SEL bit set) stay disabled
|
|
* as EN is cleared. This will result boot failure if any
|
|
* crucial systems are powered by these rails. We don't
|
|
* enable SW control for crucial regulators if snvs state is
|
|
* used
|
|
*/
|
|
if (!use_snvs || !rdev->constraints->always_on ||
|
|
!rdev->constraints->boot_on) {
|
|
err = regmap_update_bits(mfd->chip.regmap, r->init.reg,
|
|
r->init.mask, r->init.val);
|
|
if (err) {
|
|
dev_err(&pdev->dev,
|
|
"Failed to take control for (%s)\n",
|
|
desc->name);
|
|
goto err;
|
|
}
|
|
}
|
|
for (j = 0; j < r->additional_init_amnt; j++) {
|
|
err = regmap_update_bits(mfd->chip.regmap,
|
|
r->additional_inits[j].reg,
|
|
r->additional_inits[j].mask,
|
|
r->additional_inits[j].val);
|
|
if (err) {
|
|
dev_err(&pdev->dev,
|
|
"Buck (%s) initialization failed\n",
|
|
desc->name);
|
|
goto err;
|
|
}
|
|
}
|
|
}
|
|
|
|
err:
|
|
return err;
|
|
}
|
|
|
|
static struct platform_driver bd718xx_regulator = {
|
|
.driver = {
|
|
.name = "bd718xx-pmic",
|
|
},
|
|
.probe = bd718xx_probe,
|
|
};
|
|
|
|
module_platform_driver(bd718xx_regulator);
|
|
|
|
MODULE_AUTHOR("Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>");
|
|
MODULE_DESCRIPTION("BD71837/BD71847 voltage regulator driver");
|
|
MODULE_LICENSE("GPL");
|