#include <linux/delay.h>
/*
- * The TWL4030/TW5030/TPS659x0/TWL6030 family chips include power management, a
+ * The TWL4030/TW5030/TPS659x0 family chips include power management, a
* USB OTG transceiver, an RTC, ADC, PWM, and lots more. Some versions
* include an audio codec, battery charger, and more voltage regulators.
* These chips are often used in OMAP-based systems.
#define VREG_STATE 2
#define VREG_VOLTAGE 3
#define VREG_VOLTAGE_SMPS 4
-/* TWL6030 Misc register offsets */
-#define VREG_BC_ALL 1
-#define VREG_BC_REF 2
-#define VREG_BC_PROC 3
-#define VREG_BC_CLK_RST 4
-
-/* TWL6030 LDO register values for CFG_STATE */
-#define TWL6030_CFG_STATE_OFF 0x00
-#define TWL6030_CFG_STATE_ON 0x01
-#define TWL6030_CFG_STATE_OFF2 0x02
-#define TWL6030_CFG_STATE_SLEEP 0x03
-#define TWL6030_CFG_STATE_GRP_SHIFT 5
-#define TWL6030_CFG_STATE_APP_SHIFT 2
-#define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT)
-#define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\
- TWL6030_CFG_STATE_APP_SHIFT)
-
-/* Flags for SMPS Voltage reading */
-#define SMPS_OFFSET_EN BIT(0)
-#define SMPS_EXTENDED_EN BIT(1)
-
-/* twl6032 SMPS EPROM values */
-#define TWL6030_SMPS_OFFSET 0xB0
-#define TWL6030_SMPS_MULT 0xB3
-#define SMPS_MULTOFFSET_SMPS4 BIT(0)
-#define SMPS_MULTOFFSET_VIO BIT(1)
-#define SMPS_MULTOFFSET_SMPS3 BIT(6)
static inline int
twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)
return state & P1_GRP_4030;
}
-static int twl6030reg_is_enabled(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int grp = 0, val;
-
- if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) {
- grp = twlreg_grp(rdev);
- if (grp < 0)
- return grp;
- grp &= P1_GRP_6030;
- } else {
- grp = 1;
- }
-
- val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
- val = TWL6030_CFG_STATE_APP(val);
-
- return grp && (val == TWL6030_CFG_STATE_ON);
-}
-
#define PB_I2C_BUSY BIT(0)
#define PB_I2C_BWEN BIT(1)
return ret;
}
-static int twl6030reg_enable(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int grp = 0;
- int ret;
-
- if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
- grp = twlreg_grp(rdev);
- if (grp < 0)
- return grp;
-
- ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
- grp << TWL6030_CFG_STATE_GRP_SHIFT |
- TWL6030_CFG_STATE_ON);
- return ret;
-}
-
static int twl4030reg_disable(struct regulator_dev *rdev)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
return ret;
}
-static int twl6030reg_disable(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int grp = 0;
- int ret;
-
- if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
- grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
-
- /* For 6030, set the off state for all grps enabled */
- ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
- (grp) << TWL6030_CFG_STATE_GRP_SHIFT |
- TWL6030_CFG_STATE_OFF);
-
- return ret;
-}
-
static int twl4030reg_get_status(struct regulator_dev *rdev)
{
int state = twlreg_grp(rdev);
: REGULATOR_STATUS_STANDBY;
}
-static int twl6030reg_get_status(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int val;
-
- val = twlreg_grp(rdev);
- if (val < 0)
- return val;
-
- val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
-
- switch (TWL6030_CFG_STATE_APP(val)) {
- case TWL6030_CFG_STATE_ON:
- return REGULATOR_STATUS_NORMAL;
-
- case TWL6030_CFG_STATE_SLEEP:
- return REGULATOR_STATUS_STANDBY;
-
- case TWL6030_CFG_STATE_OFF:
- case TWL6030_CFG_STATE_OFF2:
- default:
- break;
- }
-
- return REGULATOR_STATUS_OFF;
-}
-
static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
{
struct twlreg_info *info = rdev_get_drvdata(rdev);
}
}
-static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int grp = 0;
- int val;
-
- if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
- grp = twlreg_grp(rdev);
-
- if (grp < 0)
- return grp;
-
- /* Compose the state register settings */
- val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
- /* We can only set the mode through state machine commands... */
- switch (mode) {
- case REGULATOR_MODE_NORMAL:
- val |= TWL6030_CFG_STATE_ON;
- break;
- case REGULATOR_MODE_STANDBY:
- val |= TWL6030_CFG_STATE_SLEEP;
- break;
-
- default:
- return -EINVAL;
- }
-
- return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
-}
-
/*----------------------------------------------------------------------*/
/*
.get_voltage = twl4030smps_get_voltage,
};
-static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV,
- int max_uV, unsigned *selector)
-{
- return -ENODEV;
-}
-
-static int twl6030coresmps_get_voltage(struct regulator_dev *rdev)
-{
- return -ENODEV;
-}
-
-static struct regulator_ops twl6030coresmps_ops = {
- .set_voltage = twl6030coresmps_set_voltage,
- .get_voltage = twl6030coresmps_get_voltage,
-};
-
-static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned sel)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- switch (sel) {
- case 0:
- return 0;
- case 1 ... 24:
- /* Linear mapping from 00000001 to 00011000:
- * Absolute voltage value = 1.0 V + 0.1 V × (sel – 00000001)
- */
- return (info->min_mV + 100 * (sel - 1)) * 1000;
- case 25 ... 30:
- return -EINVAL;
- case 31:
- return 2750000;
- default:
- return -EINVAL;
- }
-}
-
-static int
-twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
- selector);
-}
-
-static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
-
- return vsel;
-}
-
-static struct regulator_ops twl6030ldo_ops = {
- .list_voltage = twl6030ldo_list_voltage,
-
- .set_voltage_sel = twl6030ldo_set_voltage_sel,
- .get_voltage_sel = twl6030ldo_get_voltage_sel,
-
- .enable = twl6030reg_enable,
- .disable = twl6030reg_disable,
- .is_enabled = twl6030reg_is_enabled,
-
- .set_mode = twl6030reg_set_mode,
-
- .get_status = twl6030reg_get_status,
-};
-
/*----------------------------------------------------------------------*/
static struct regulator_ops twl4030fixed_ops = {
.get_status = twl4030reg_get_status,
};
-static struct regulator_ops twl6030fixed_ops = {
- .list_voltage = regulator_list_voltage_linear,
-
- .enable = twl6030reg_enable,
- .disable = twl6030reg_disable,
- .is_enabled = twl6030reg_is_enabled,
-
- .set_mode = twl6030reg_set_mode,
-
- .get_status = twl6030reg_get_status,
-};
-
-/*
- * SMPS status and control
- */
-
-static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- int voltage = 0;
-
- switch (info->flags) {
- case SMPS_OFFSET_EN:
- voltage = 100000;
- /* fall through */
- case 0:
- switch (index) {
- case 0:
- voltage = 0;
- break;
- case 58:
- voltage = 1350 * 1000;
- break;
- case 59:
- voltage = 1500 * 1000;
- break;
- case 60:
- voltage = 1800 * 1000;
- break;
- case 61:
- voltage = 1900 * 1000;
- break;
- case 62:
- voltage = 2100 * 1000;
- break;
- default:
- voltage += (600000 + (12500 * (index - 1)));
- }
- break;
- case SMPS_EXTENDED_EN:
- switch (index) {
- case 0:
- voltage = 0;
- break;
- case 58:
- voltage = 2084 * 1000;
- break;
- case 59:
- voltage = 2315 * 1000;
- break;
- case 60:
- voltage = 2778 * 1000;
- break;
- case 61:
- voltage = 2932 * 1000;
- break;
- case 62:
- voltage = 3241 * 1000;
- break;
- default:
- voltage = (1852000 + (38600 * (index - 1)));
- }
- break;
- case SMPS_OFFSET_EN | SMPS_EXTENDED_EN:
- switch (index) {
- case 0:
- voltage = 0;
- break;
- case 58:
- voltage = 4167 * 1000;
- break;
- case 59:
- voltage = 2315 * 1000;
- break;
- case 60:
- voltage = 2778 * 1000;
- break;
- case 61:
- voltage = 2932 * 1000;
- break;
- case 62:
- voltage = 3241 * 1000;
- break;
- default:
- voltage = (2161000 + (38600 * (index - 1)));
- }
- break;
- }
-
- return voltage;
-}
-
-static int twl6030smps_map_voltage(struct regulator_dev *rdev, int min_uV,
- int max_uV)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
- int vsel = 0;
-
- switch (info->flags) {
- case 0:
- if (min_uV == 0)
- vsel = 0;
- else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
- vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
- vsel++;
- }
- /* Values 1..57 for vsel are linear and can be calculated
- * values 58..62 are non linear.
- */
- else if ((min_uV > 1900000) && (min_uV <= 2100000))
- vsel = 62;
- else if ((min_uV > 1800000) && (min_uV <= 1900000))
- vsel = 61;
- else if ((min_uV > 1500000) && (min_uV <= 1800000))
- vsel = 60;
- else if ((min_uV > 1350000) && (min_uV <= 1500000))
- vsel = 59;
- else if ((min_uV > 1300000) && (min_uV <= 1350000))
- vsel = 58;
- else
- return -EINVAL;
- break;
- case SMPS_OFFSET_EN:
- if (min_uV == 0)
- vsel = 0;
- else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
- vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
- vsel++;
- }
- /* Values 1..57 for vsel are linear and can be calculated
- * values 58..62 are non linear.
- */
- else if ((min_uV > 1900000) && (min_uV <= 2100000))
- vsel = 62;
- else if ((min_uV > 1800000) && (min_uV <= 1900000))
- vsel = 61;
- else if ((min_uV > 1350000) && (min_uV <= 1800000))
- vsel = 60;
- else if ((min_uV > 1350000) && (min_uV <= 1500000))
- vsel = 59;
- else if ((min_uV > 1300000) && (min_uV <= 1350000))
- vsel = 58;
- else
- return -EINVAL;
- break;
- case SMPS_EXTENDED_EN:
- if (min_uV == 0) {
- vsel = 0;
- } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
- vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
- vsel++;
- }
- break;
- case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
- if (min_uV == 0) {
- vsel = 0;
- } else if ((min_uV >= 2161000) && (min_uV <= 4321000)) {
- vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
- vsel++;
- }
- break;
- }
-
- return vsel;
-}
-
-static int twl6030smps_set_voltage_sel(struct regulator_dev *rdev,
- unsigned int selector)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS,
- selector);
-}
-
-static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev)
-{
- struct twlreg_info *info = rdev_get_drvdata(rdev);
-
- return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS);
-}
-
-static struct regulator_ops twlsmps_ops = {
- .list_voltage = twl6030smps_list_voltage,
- .map_voltage = twl6030smps_map_voltage,
-
- .set_voltage_sel = twl6030smps_set_voltage_sel,
- .get_voltage_sel = twl6030smps_get_voltage_sel,
-
- .enable = twl6030reg_enable,
- .disable = twl6030reg_disable,
- .is_enabled = twl6030reg_is_enabled,
-
- .set_mode = twl6030reg_set_mode,
-
- .get_status = twl6030reg_get_status,
-};
-
/*----------------------------------------------------------------------*/
#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \
}, \
}
-#define TWL6030_ADJUSTABLE_SMPS(label) \
-static const struct twlreg_info TWL6030_INFO_##label = { \
- .desc = { \
- .name = #label, \
- .id = TWL6030_REG_##label, \
- .ops = &twl6030coresmps_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
- }, \
- }
-
-#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
-static const struct twlreg_info TWL6030_INFO_##label = { \
- .base = offset, \
- .min_mV = min_mVolts, \
- .max_mV = max_mVolts, \
- .desc = { \
- .name = #label, \
- .id = TWL6030_REG_##label, \
- .n_voltages = 32, \
- .ops = &twl6030ldo_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
- }, \
- }
-
-#define TWL6032_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
-static const struct twlreg_info TWL6032_INFO_##label = { \
- .base = offset, \
- .min_mV = min_mVolts, \
- .max_mV = max_mVolts, \
- .desc = { \
- .name = #label, \
- .id = TWL6032_REG_##label, \
- .n_voltages = 32, \
- .ops = &twl6030ldo_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
- }, \
- }
-
-#define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \
-static const struct twlreg_info TWLFIXED_INFO_##label = { \
- .base = offset, \
- .id = 0, \
- .min_mV = mVolts, \
- .remap = 0, \
- .desc = { \
- .name = #label, \
- .id = TWL6030##_REG_##label, \
- .n_voltages = 1, \
- .ops = &twl6030fixed_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
- .min_uV = mVolts * 1000, \
- .enable_time = turnon_delay, \
- .of_map_mode = NULL, \
- }, \
- }
-
#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
remap_conf) \
static const struct twlreg_info TWLFIXED_INFO_##label = { \
}, \
}
-#define TWL6032_ADJUSTABLE_SMPS(label, offset) \
-static const struct twlreg_info TWLSMPS_INFO_##label = { \
- .base = offset, \
- .min_mV = 600, \
- .max_mV = 2100, \
- .desc = { \
- .name = #label, \
- .id = TWL6032_REG_##label, \
- .n_voltages = 63, \
- .ops = &twlsmps_ops, \
- .type = REGULATOR_VOLTAGE, \
- .owner = THIS_MODULE, \
- }, \
- }
-
/*
* We list regulators here if systems need some level of
* software control over them after boot.
TWL4030_ADJUSTABLE_SMPS(VDD1, 0x55, 15, 1000, 0x08);
TWL4030_ADJUSTABLE_SMPS(VDD2, 0x63, 16, 1000, 0x08);
/* VUSBCP is managed *only* by the USB subchip */
-/* 6030 REG with base as PMC Slave Misc : 0x0030 */
-/* Turnon-delay and remap configuration values for 6030 are not
- verified since the specification is not public */
-TWL6030_ADJUSTABLE_SMPS(VDD1);
-TWL6030_ADJUSTABLE_SMPS(VDD2);
-TWL6030_ADJUSTABLE_SMPS(VDD3);
-TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300);
-TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300);
-/* 6025 are renamed compared to 6030 versions */
-TWL6032_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300);
-TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300);
TWL4030_FIXED_LDO(VINTANA1, 0x3f, 1500, 11, 100, 0x08);
TWL4030_FIXED_LDO(VINTDIG, 0x47, 1500, 13, 100, 0x08);
TWL4030_FIXED_LDO(VUSB1V5, 0x71, 1500, 17, 100, 0x08);
TWL4030_FIXED_LDO(VUSB1V8, 0x74, 1800, 18, 100, 0x08);
TWL4030_FIXED_LDO(VUSB3V1, 0x77, 3100, 19, 150, 0x08);
-TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0);
-TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0);
-TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0);
-TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0);
-TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0);
-TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0);
-TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34);
-TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10);
-TWL6032_ADJUSTABLE_SMPS(VIO, 0x16);
-
-static u8 twl_get_smps_offset(void)
-{
- u8 value;
-
- twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
- TWL6030_SMPS_OFFSET);
- return value;
-}
-
-static u8 twl_get_smps_mult(void)
-{
- u8 value;
-
- twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
- TWL6030_SMPS_MULT);
- return value;
-}
#define TWL_OF_MATCH(comp, family, label) \
{ \
TWL4030_OF_MATCH("ti,twl4030-vio", VIO),
TWL4030_OF_MATCH("ti,twl4030-vdd1", VDD1),
TWL4030_OF_MATCH("ti,twl4030-vdd2", VDD2),
- TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1),
- TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2),
- TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3),
- TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030),
- TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030),
- TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030),
- TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC),
- TWL6030_OF_MATCH("ti,twl6030-vpp", VPP),
- TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM),
- TWL6032_OF_MATCH("ti,twl6032-ldo2", LDO2),
- TWL6032_OF_MATCH("ti,twl6032-ldo4", LDO4),
- TWL6032_OF_MATCH("ti,twl6032-ldo3", LDO3),
- TWL6032_OF_MATCH("ti,twl6032-ldo5", LDO5),
- TWL6032_OF_MATCH("ti,twl6032-ldo1", LDO1),
- TWL6032_OF_MATCH("ti,twl6032-ldo7", LDO7),
- TWL6032_OF_MATCH("ti,twl6032-ldo6", LDO6),
- TWL6032_OF_MATCH("ti,twl6032-ldoln", LDOLN),
- TWL6032_OF_MATCH("ti,twl6032-ldousb", LDOUSB),
TWLFIXED_OF_MATCH("ti,twl4030-vintana1", VINTANA1),
TWLFIXED_OF_MATCH("ti,twl4030-vintdig", VINTDIG),
TWLFIXED_OF_MATCH("ti,twl4030-vusb1v5", VUSB1V5),
TWLFIXED_OF_MATCH("ti,twl4030-vusb1v8", VUSB1V8),
TWLFIXED_OF_MATCH("ti,twl4030-vusb3v1", VUSB3V1),
- TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA),
- TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO),
- TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC),
- TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
- TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
- TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
- TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3),
- TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4),
- TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO),
{},
};
MODULE_DEVICE_TABLE(of, twl_of_match);
break;
}
- switch (id) {
- case TWL6032_REG_SMPS3:
- if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3)
- info->flags |= SMPS_EXTENDED_EN;
- if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3)
- info->flags |= SMPS_OFFSET_EN;
- break;
- case TWL6032_REG_SMPS4:
- if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4)
- info->flags |= SMPS_EXTENDED_EN;
- if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4)
- info->flags |= SMPS_OFFSET_EN;
- break;
- case TWL6032_REG_VIO:
- if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO)
- info->flags |= SMPS_EXTENDED_EN;
- if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO)
- info->flags |= SMPS_OFFSET_EN;
- break;
- }
-
config.dev = &pdev->dev;
config.init_data = initdata;
config.driver_data = info;
}
platform_set_drvdata(pdev, rdev);
- if (twl_class_is_4030())
- twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP,
- info->remap);
+ twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_REMAP, info->remap);
/* NOTE: many regulators support short-circuit IRQs (presentable
* as REGULATOR_OVER_CURRENT notifications?) configured via:
return 0;
}
-MODULE_ALIAS("platform:twl_reg");
+MODULE_ALIAS("platform:twl4030_reg");
static struct platform_driver twlreg_driver = {
.probe = twlreg_probe,
* "twl_regulator.12" (and friends) to "twl_regulator.1".
*/
.driver = {
- .name = "twl_reg",
+ .name = "twl4030_reg",
.of_match_table = of_match_ptr(twl_of_match),
},
};
}
module_exit(twlreg_exit)
-MODULE_DESCRIPTION("TWL regulator driver");
+MODULE_DESCRIPTION("TWL4030 regulator driver");
MODULE_LICENSE("GPL");
--- /dev/null
+/*
+ * Split TWL6030 logic from twl-regulator.c:
+ * Copyright (C) 2008 David Brownell
+ *
+ * Copyright (C) 2016 Nicolae Rosia <nicolae.rosia@gmail.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ */
+
+#include <linux/module.h>
+#include <linux/string.h>
+#include <linux/slab.h>
+#include <linux/init.h>
+#include <linux/err.h>
+#include <linux/platform_device.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
+#include <linux/regulator/driver.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/of_regulator.h>
+#include <linux/i2c/twl.h>
+#include <linux/delay.h>
+
+struct twlreg_info {
+ /* start of regulator's PM_RECEIVER control register bank */
+ u8 base;
+
+ /* twl resource ID, for resource control state machine */
+ u8 id;
+
+ /* voltage in mV = table[VSEL]; table_len must be a power-of-two */
+ u8 table_len;
+ const u16 *table;
+
+ /* State REMAP default configuration */
+ u8 remap;
+
+ /* chip constraints on regulator behavior */
+ u16 min_mV;
+ u16 max_mV;
+
+ u8 flags;
+
+ /* used by regulator core */
+ struct regulator_desc desc;
+
+ /* chip specific features */
+ unsigned long features;
+
+ /* data passed from board for external get/set voltage */
+ void *data;
+};
+
+
+/* LDO control registers ... offset is from the base of its register bank.
+ * The first three registers of all power resource banks help hardware to
+ * manage the various resource groups.
+ */
+/* Common offset in TWL4030/6030 */
+#define VREG_GRP 0
+/* TWL6030 register offsets */
+#define VREG_TRANS 1
+#define VREG_STATE 2
+#define VREG_VOLTAGE 3
+#define VREG_VOLTAGE_SMPS 4
+/* TWL6030 Misc register offsets */
+#define VREG_BC_ALL 1
+#define VREG_BC_REF 2
+#define VREG_BC_PROC 3
+#define VREG_BC_CLK_RST 4
+
+/* TWL6030 LDO register values for CFG_STATE */
+#define TWL6030_CFG_STATE_OFF 0x00
+#define TWL6030_CFG_STATE_ON 0x01
+#define TWL6030_CFG_STATE_OFF2 0x02
+#define TWL6030_CFG_STATE_SLEEP 0x03
+#define TWL6030_CFG_STATE_GRP_SHIFT 5
+#define TWL6030_CFG_STATE_APP_SHIFT 2
+#define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT)
+#define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\
+ TWL6030_CFG_STATE_APP_SHIFT)
+
+/* Flags for SMPS Voltage reading */
+#define SMPS_OFFSET_EN BIT(0)
+#define SMPS_EXTENDED_EN BIT(1)
+
+/* twl6032 SMPS EPROM values */
+#define TWL6030_SMPS_OFFSET 0xB0
+#define TWL6030_SMPS_MULT 0xB3
+#define SMPS_MULTOFFSET_SMPS4 BIT(0)
+#define SMPS_MULTOFFSET_VIO BIT(1)
+#define SMPS_MULTOFFSET_SMPS3 BIT(6)
+
+static inline int
+twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)
+{
+ u8 value;
+ int status;
+
+ status = twl_i2c_read_u8(slave_subgp,
+ &value, info->base + offset);
+ return (status < 0) ? status : value;
+}
+
+static inline int
+twlreg_write(struct twlreg_info *info, unsigned slave_subgp, unsigned offset,
+ u8 value)
+{
+ return twl_i2c_write_u8(slave_subgp,
+ value, info->base + offset);
+}
+
+/* generic power resource operations, which work on all regulators */
+static int twlreg_grp(struct regulator_dev *rdev)
+{
+ return twlreg_read(rdev_get_drvdata(rdev), TWL_MODULE_PM_RECEIVER,
+ VREG_GRP);
+}
+
+/*
+ * Enable/disable regulators by joining/leaving the P1 (processor) group.
+ * We assume nobody else is updating the DEV_GRP registers.
+ */
+/* definition for 6030 family */
+#define P3_GRP_6030 BIT(2) /* secondary processor, modem, etc */
+#define P2_GRP_6030 BIT(1) /* "peripherals" */
+#define P1_GRP_6030 BIT(0) /* CPU/Linux */
+
+static int twl6030reg_is_enabled(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0, val;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) {
+ grp = twlreg_grp(rdev);
+ if (grp < 0)
+ return grp;
+ grp &= P1_GRP_6030;
+ } else {
+ grp = 1;
+ }
+
+ val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
+ val = TWL6030_CFG_STATE_APP(val);
+
+ return grp && (val == TWL6030_CFG_STATE_ON);
+}
+
+#define PB_I2C_BUSY BIT(0)
+#define PB_I2C_BWEN BIT(1)
+
+
+static int twl6030reg_enable(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0;
+ int ret;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
+ grp = twlreg_grp(rdev);
+ if (grp < 0)
+ return grp;
+
+ ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+ grp << TWL6030_CFG_STATE_GRP_SHIFT |
+ TWL6030_CFG_STATE_ON);
+ return ret;
+}
+
+static int twl6030reg_disable(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0;
+ int ret;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
+ grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
+
+ /* For 6030, set the off state for all grps enabled */
+ ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
+ (grp) << TWL6030_CFG_STATE_GRP_SHIFT |
+ TWL6030_CFG_STATE_OFF);
+
+ return ret;
+}
+
+static int twl6030reg_get_status(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int val;
+
+ val = twlreg_grp(rdev);
+ if (val < 0)
+ return val;
+
+ val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
+
+ switch (TWL6030_CFG_STATE_APP(val)) {
+ case TWL6030_CFG_STATE_ON:
+ return REGULATOR_STATUS_NORMAL;
+
+ case TWL6030_CFG_STATE_SLEEP:
+ return REGULATOR_STATUS_STANDBY;
+
+ case TWL6030_CFG_STATE_OFF:
+ case TWL6030_CFG_STATE_OFF2:
+ default:
+ break;
+ }
+
+ return REGULATOR_STATUS_OFF;
+}
+
+static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int grp = 0;
+ int val;
+
+ if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
+ grp = twlreg_grp(rdev);
+
+ if (grp < 0)
+ return grp;
+
+ /* Compose the state register settings */
+ val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
+ /* We can only set the mode through state machine commands... */
+ switch (mode) {
+ case REGULATOR_MODE_NORMAL:
+ val |= TWL6030_CFG_STATE_ON;
+ break;
+ case REGULATOR_MODE_STANDBY:
+ val |= TWL6030_CFG_STATE_SLEEP;
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
+}
+
+static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV,
+ int max_uV, unsigned *selector)
+{
+ return -ENODEV;
+}
+
+static int twl6030coresmps_get_voltage(struct regulator_dev *rdev)
+{
+ return -ENODEV;
+}
+
+static struct regulator_ops twl6030coresmps_ops = {
+ .set_voltage = twl6030coresmps_set_voltage,
+ .get_voltage = twl6030coresmps_get_voltage,
+};
+
+static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned sel)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ switch (sel) {
+ case 0:
+ return 0;
+ case 1 ... 24:
+ /* Linear mapping from 00000001 to 00011000:
+ * Absolute voltage value = 1.0 V + 0.1 V × (sel – 00000001)
+ */
+ return (info->min_mV + 100 * (sel - 1)) * 1000;
+ case 25 ... 30:
+ return -EINVAL;
+ case 31:
+ return 2750000;
+ default:
+ return -EINVAL;
+ }
+}
+
+static int
+twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
+ selector);
+}
+
+static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
+
+ return vsel;
+}
+
+static struct regulator_ops twl6030ldo_ops = {
+ .list_voltage = twl6030ldo_list_voltage,
+
+ .set_voltage_sel = twl6030ldo_set_voltage_sel,
+ .get_voltage_sel = twl6030ldo_get_voltage_sel,
+
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
+
+ .set_mode = twl6030reg_set_mode,
+
+ .get_status = twl6030reg_get_status,
+};
+
+static struct regulator_ops twl6030fixed_ops = {
+ .list_voltage = regulator_list_voltage_linear,
+
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
+
+ .set_mode = twl6030reg_set_mode,
+
+ .get_status = twl6030reg_get_status,
+};
+
+/*
+ * SMPS status and control
+ */
+
+static int twl6030smps_list_voltage(struct regulator_dev *rdev, unsigned index)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ int voltage = 0;
+
+ switch (info->flags) {
+ case SMPS_OFFSET_EN:
+ voltage = 100000;
+ /* fall through */
+ case 0:
+ switch (index) {
+ case 0:
+ voltage = 0;
+ break;
+ case 58:
+ voltage = 1350 * 1000;
+ break;
+ case 59:
+ voltage = 1500 * 1000;
+ break;
+ case 60:
+ voltage = 1800 * 1000;
+ break;
+ case 61:
+ voltage = 1900 * 1000;
+ break;
+ case 62:
+ voltage = 2100 * 1000;
+ break;
+ default:
+ voltage += (600000 + (12500 * (index - 1)));
+ }
+ break;
+ case SMPS_EXTENDED_EN:
+ switch (index) {
+ case 0:
+ voltage = 0;
+ break;
+ case 58:
+ voltage = 2084 * 1000;
+ break;
+ case 59:
+ voltage = 2315 * 1000;
+ break;
+ case 60:
+ voltage = 2778 * 1000;
+ break;
+ case 61:
+ voltage = 2932 * 1000;
+ break;
+ case 62:
+ voltage = 3241 * 1000;
+ break;
+ default:
+ voltage = (1852000 + (38600 * (index - 1)));
+ }
+ break;
+ case SMPS_OFFSET_EN | SMPS_EXTENDED_EN:
+ switch (index) {
+ case 0:
+ voltage = 0;
+ break;
+ case 58:
+ voltage = 4167 * 1000;
+ break;
+ case 59:
+ voltage = 2315 * 1000;
+ break;
+ case 60:
+ voltage = 2778 * 1000;
+ break;
+ case 61:
+ voltage = 2932 * 1000;
+ break;
+ case 62:
+ voltage = 3241 * 1000;
+ break;
+ default:
+ voltage = (2161000 + (38600 * (index - 1)));
+ }
+ break;
+ }
+
+ return voltage;
+}
+
+static int twl6030smps_map_voltage(struct regulator_dev *rdev, int min_uV,
+ int max_uV)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+ int vsel = 0;
+
+ switch (info->flags) {
+ case 0:
+ if (min_uV == 0)
+ vsel = 0;
+ else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
+ vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
+ vsel++;
+ }
+ /* Values 1..57 for vsel are linear and can be calculated
+ * values 58..62 are non linear.
+ */
+ else if ((min_uV > 1900000) && (min_uV <= 2100000))
+ vsel = 62;
+ else if ((min_uV > 1800000) && (min_uV <= 1900000))
+ vsel = 61;
+ else if ((min_uV > 1500000) && (min_uV <= 1800000))
+ vsel = 60;
+ else if ((min_uV > 1350000) && (min_uV <= 1500000))
+ vsel = 59;
+ else if ((min_uV > 1300000) && (min_uV <= 1350000))
+ vsel = 58;
+ else
+ return -EINVAL;
+ break;
+ case SMPS_OFFSET_EN:
+ if (min_uV == 0)
+ vsel = 0;
+ else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
+ vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
+ vsel++;
+ }
+ /* Values 1..57 for vsel are linear and can be calculated
+ * values 58..62 are non linear.
+ */
+ else if ((min_uV > 1900000) && (min_uV <= 2100000))
+ vsel = 62;
+ else if ((min_uV > 1800000) && (min_uV <= 1900000))
+ vsel = 61;
+ else if ((min_uV > 1350000) && (min_uV <= 1800000))
+ vsel = 60;
+ else if ((min_uV > 1350000) && (min_uV <= 1500000))
+ vsel = 59;
+ else if ((min_uV > 1300000) && (min_uV <= 1350000))
+ vsel = 58;
+ else
+ return -EINVAL;
+ break;
+ case SMPS_EXTENDED_EN:
+ if (min_uV == 0) {
+ vsel = 0;
+ } else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
+ vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
+ vsel++;
+ }
+ break;
+ case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
+ if (min_uV == 0) {
+ vsel = 0;
+ } else if ((min_uV >= 2161000) && (min_uV <= 4321000)) {
+ vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
+ vsel++;
+ }
+ break;
+ }
+
+ return vsel;
+}
+
+static int twl6030smps_set_voltage_sel(struct regulator_dev *rdev,
+ unsigned int selector)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS,
+ selector);
+}
+
+static int twl6030smps_get_voltage_sel(struct regulator_dev *rdev)
+{
+ struct twlreg_info *info = rdev_get_drvdata(rdev);
+
+ return twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS);
+}
+
+static struct regulator_ops twlsmps_ops = {
+ .list_voltage = twl6030smps_list_voltage,
+ .map_voltage = twl6030smps_map_voltage,
+
+ .set_voltage_sel = twl6030smps_set_voltage_sel,
+ .get_voltage_sel = twl6030smps_get_voltage_sel,
+
+ .enable = twl6030reg_enable,
+ .disable = twl6030reg_disable,
+ .is_enabled = twl6030reg_is_enabled,
+
+ .set_mode = twl6030reg_set_mode,
+
+ .get_status = twl6030reg_get_status,
+};
+
+/*----------------------------------------------------------------------*/
+
+#define TWL6030_ADJUSTABLE_SMPS(label) \
+static const struct twlreg_info TWL6030_INFO_##label = { \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6030_REG_##label, \
+ .ops = &twl6030coresmps_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
+#define TWL6030_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
+static const struct twlreg_info TWL6030_INFO_##label = { \
+ .base = offset, \
+ .min_mV = min_mVolts, \
+ .max_mV = max_mVolts, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6030_REG_##label, \
+ .n_voltages = 32, \
+ .ops = &twl6030ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
+#define TWL6032_ADJUSTABLE_LDO(label, offset, min_mVolts, max_mVolts) \
+static const struct twlreg_info TWL6032_INFO_##label = { \
+ .base = offset, \
+ .min_mV = min_mVolts, \
+ .max_mV = max_mVolts, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6032_REG_##label, \
+ .n_voltages = 32, \
+ .ops = &twl6030ldo_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
+#define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \
+static const struct twlreg_info TWLFIXED_INFO_##label = { \
+ .base = offset, \
+ .id = 0, \
+ .min_mV = mVolts, \
+ .remap = 0, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6030##_REG_##label, \
+ .n_voltages = 1, \
+ .ops = &twl6030fixed_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ .min_uV = mVolts * 1000, \
+ .enable_time = turnon_delay, \
+ .of_map_mode = NULL, \
+ }, \
+ }
+
+#define TWL6032_ADJUSTABLE_SMPS(label, offset) \
+static const struct twlreg_info TWLSMPS_INFO_##label = { \
+ .base = offset, \
+ .min_mV = 600, \
+ .max_mV = 2100, \
+ .desc = { \
+ .name = #label, \
+ .id = TWL6032_REG_##label, \
+ .n_voltages = 63, \
+ .ops = &twlsmps_ops, \
+ .type = REGULATOR_VOLTAGE, \
+ .owner = THIS_MODULE, \
+ }, \
+ }
+
+/* VUSBCP is managed *only* by the USB subchip */
+/* 6030 REG with base as PMC Slave Misc : 0x0030 */
+/* Turnon-delay and remap configuration values for 6030 are not
+ verified since the specification is not public */
+TWL6030_ADJUSTABLE_SMPS(VDD1);
+TWL6030_ADJUSTABLE_SMPS(VDD2);
+TWL6030_ADJUSTABLE_SMPS(VDD3);
+TWL6030_ADJUSTABLE_LDO(VAUX1_6030, 0x54, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000, 3300);
+TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000, 3300);
+/* 6025 are renamed compared to 6030 versions */
+TWL6032_ADJUSTABLE_LDO(LDO2, 0x54, 1000, 3300);
+TWL6032_ADJUSTABLE_LDO(LDO4, 0x58, 1000, 3300);
+TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c, 1000, 3300);
+TWL6032_ADJUSTABLE_LDO(LDO5, 0x68, 1000, 3300);
+TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c, 1000, 3300);
+TWL6032_ADJUSTABLE_LDO(LDO7, 0x74, 1000, 3300);
+TWL6032_ADJUSTABLE_LDO(LDO6, 0x60, 1000, 3300);
+TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64, 1000, 3300);
+TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000, 3300);
+TWL6030_FIXED_LDO(VANA, 0x50, 2100, 0);
+TWL6030_FIXED_LDO(VCXIO, 0x60, 1800, 0);
+TWL6030_FIXED_LDO(VDAC, 0x64, 1800, 0);
+TWL6030_FIXED_LDO(VUSB, 0x70, 3300, 0);
+TWL6030_FIXED_LDO(V1V8, 0x16, 1800, 0);
+TWL6030_FIXED_LDO(V2V1, 0x1c, 2100, 0);
+TWL6032_ADJUSTABLE_SMPS(SMPS3, 0x34);
+TWL6032_ADJUSTABLE_SMPS(SMPS4, 0x10);
+TWL6032_ADJUSTABLE_SMPS(VIO, 0x16);
+
+static u8 twl_get_smps_offset(void)
+{
+ u8 value;
+
+ twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
+ TWL6030_SMPS_OFFSET);
+ return value;
+}
+
+static u8 twl_get_smps_mult(void)
+{
+ u8 value;
+
+ twl_i2c_read_u8(TWL_MODULE_PM_RECEIVER, &value,
+ TWL6030_SMPS_MULT);
+ return value;
+}
+
+#define TWL_OF_MATCH(comp, family, label) \
+ { \
+ .compatible = comp, \
+ .data = &family##_INFO_##label, \
+ }
+
+#define TWL6030_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6030, label)
+#define TWL6032_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWL6032, label)
+#define TWLFIXED_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLFIXED, label)
+#define TWLSMPS_OF_MATCH(comp, label) TWL_OF_MATCH(comp, TWLSMPS, label)
+
+static const struct of_device_id twl_of_match[] = {
+ TWL6030_OF_MATCH("ti,twl6030-vdd1", VDD1),
+ TWL6030_OF_MATCH("ti,twl6030-vdd2", VDD2),
+ TWL6030_OF_MATCH("ti,twl6030-vdd3", VDD3),
+ TWL6030_OF_MATCH("ti,twl6030-vaux1", VAUX1_6030),
+ TWL6030_OF_MATCH("ti,twl6030-vaux2", VAUX2_6030),
+ TWL6030_OF_MATCH("ti,twl6030-vaux3", VAUX3_6030),
+ TWL6030_OF_MATCH("ti,twl6030-vmmc", VMMC),
+ TWL6030_OF_MATCH("ti,twl6030-vpp", VPP),
+ TWL6030_OF_MATCH("ti,twl6030-vusim", VUSIM),
+ TWL6032_OF_MATCH("ti,twl6032-ldo2", LDO2),
+ TWL6032_OF_MATCH("ti,twl6032-ldo4", LDO4),
+ TWL6032_OF_MATCH("ti,twl6032-ldo3", LDO3),
+ TWL6032_OF_MATCH("ti,twl6032-ldo5", LDO5),
+ TWL6032_OF_MATCH("ti,twl6032-ldo1", LDO1),
+ TWL6032_OF_MATCH("ti,twl6032-ldo7", LDO7),
+ TWL6032_OF_MATCH("ti,twl6032-ldo6", LDO6),
+ TWL6032_OF_MATCH("ti,twl6032-ldoln", LDOLN),
+ TWL6032_OF_MATCH("ti,twl6032-ldousb", LDOUSB),
+ TWLFIXED_OF_MATCH("ti,twl6030-vana", VANA),
+ TWLFIXED_OF_MATCH("ti,twl6030-vcxio", VCXIO),
+ TWLFIXED_OF_MATCH("ti,twl6030-vdac", VDAC),
+ TWLFIXED_OF_MATCH("ti,twl6030-vusb", VUSB),
+ TWLFIXED_OF_MATCH("ti,twl6030-v1v8", V1V8),
+ TWLFIXED_OF_MATCH("ti,twl6030-v2v1", V2V1),
+ TWLSMPS_OF_MATCH("ti,twl6032-smps3", SMPS3),
+ TWLSMPS_OF_MATCH("ti,twl6032-smps4", SMPS4),
+ TWLSMPS_OF_MATCH("ti,twl6032-vio", VIO),
+ {},
+};
+MODULE_DEVICE_TABLE(of, twl_of_match);
+
+static int twlreg_probe(struct platform_device *pdev)
+{
+ int id;
+ struct twlreg_info *info;
+ const struct twlreg_info *template;
+ struct regulator_init_data *initdata;
+ struct regulation_constraints *c;
+ struct regulator_dev *rdev;
+ const struct of_device_id *match;
+ struct regulator_config config = { };
+
+ match = of_match_device(twl_of_match, &pdev->dev);
+ if (!match)
+ return -ENODEV;
+
+ template = match->data;
+ if (!template)
+ return -ENODEV;
+
+ id = template->desc.id;
+ initdata = of_get_regulator_init_data(&pdev->dev, pdev->dev.of_node,
+ &template->desc);
+ if (!initdata)
+ return -EINVAL;
+
+ info = devm_kmemdup(&pdev->dev, template, sizeof(*info), GFP_KERNEL);
+ if (!info)
+ return -ENOMEM;
+
+ /* Constrain board-specific capabilities according to what
+ * this driver and the chip itself can actually do.
+ */
+ c = &initdata->constraints;
+ c->valid_modes_mask &= REGULATOR_MODE_NORMAL | REGULATOR_MODE_STANDBY;
+ c->valid_ops_mask &= REGULATOR_CHANGE_VOLTAGE
+ | REGULATOR_CHANGE_MODE
+ | REGULATOR_CHANGE_STATUS;
+
+ switch (id) {
+ case TWL6032_REG_SMPS3:
+ if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS3)
+ info->flags |= SMPS_EXTENDED_EN;
+ if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS3)
+ info->flags |= SMPS_OFFSET_EN;
+ break;
+ case TWL6032_REG_SMPS4:
+ if (twl_get_smps_mult() & SMPS_MULTOFFSET_SMPS4)
+ info->flags |= SMPS_EXTENDED_EN;
+ if (twl_get_smps_offset() & SMPS_MULTOFFSET_SMPS4)
+ info->flags |= SMPS_OFFSET_EN;
+ break;
+ case TWL6032_REG_VIO:
+ if (twl_get_smps_mult() & SMPS_MULTOFFSET_VIO)
+ info->flags |= SMPS_EXTENDED_EN;
+ if (twl_get_smps_offset() & SMPS_MULTOFFSET_VIO)
+ info->flags |= SMPS_OFFSET_EN;
+ break;
+ }
+
+ config.dev = &pdev->dev;
+ config.init_data = initdata;
+ config.driver_data = info;
+ config.of_node = pdev->dev.of_node;
+
+ rdev = devm_regulator_register(&pdev->dev, &info->desc, &config);
+ if (IS_ERR(rdev)) {
+ dev_err(&pdev->dev, "can't register %s, %ld\n",
+ info->desc.name, PTR_ERR(rdev));
+ return PTR_ERR(rdev);
+ }
+ platform_set_drvdata(pdev, rdev);
+
+ /* NOTE: many regulators support short-circuit IRQs (presentable
+ * as REGULATOR_OVER_CURRENT notifications?) configured via:
+ * - SC_CONFIG
+ * - SC_DETECT1 (vintana2, vmmc1/2, vaux1/2/3/4)
+ * - SC_DETECT2 (vusb, vdac, vio, vdd1/2, vpll2)
+ * - IT_CONFIG
+ */
+
+ return 0;
+}
+
+MODULE_ALIAS("platform:twl6030_reg");
+
+static struct platform_driver twlreg_driver = {
+ .probe = twlreg_probe,
+ /* NOTE: short name, to work around driver model truncation of
+ * "twl_regulator.12" (and friends) to "twl_regulator.1".
+ */
+ .driver = {
+ .name = "twl6030_reg",
+ .of_match_table = of_match_ptr(twl_of_match),
+ },
+};
+
+static int __init twlreg_init(void)
+{
+ return platform_driver_register(&twlreg_driver);
+}
+subsys_initcall(twlreg_init);
+
+static void __exit twlreg_exit(void)
+{
+ platform_driver_unregister(&twlreg_driver);
+}
+module_exit(twlreg_exit)
+
+MODULE_DESCRIPTION("TWL6030 regulator driver");
+MODULE_LICENSE("GPL");
projects / linux-beck.git / commitdiff