Merge remote-tracking branches 'regulator/topic/tps65086' and 'regulator/topic/twl' into regulator-next
This commit is contained in:
Mark Brown
commit
d00b74613f
@ -8748,6 +8748,7 @@ F: drivers/regulator/tps65217-regulator.c
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F: drivers/regulator/tps65218-regulator.c
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F: drivers/regulator/tps65910-regulator.c
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F: drivers/regulator/twl-regulator.c
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F: drivers/regulator/twl6030-regulator.c
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F: include/linux/i2c-omap.h
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OMAP DEVICE TREE SUPPORT
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@ -104,7 +104,7 @@ obj-$(CONFIG_REGULATOR_TPS6586X) += tps6586x-regulator.o
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obj-$(CONFIG_REGULATOR_TPS65910) += tps65910-regulator.o
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obj-$(CONFIG_REGULATOR_TPS65912) += tps65912-regulator.o
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obj-$(CONFIG_REGULATOR_TPS80031) += tps80031-regulator.o
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obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o
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obj-$(CONFIG_REGULATOR_TWL4030) += twl-regulator.o twl6030-regulator.o
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obj-$(CONFIG_REGULATOR_VEXPRESS) += vexpress-regulator.o
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obj-$(CONFIG_REGULATOR_WM831X) += wm831x-dcdc.o
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obj-$(CONFIG_REGULATOR_WM831X) += wm831x-isink.o
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@ -77,7 +77,8 @@ static const struct regulator_linear_range tps65086_10mv_ranges[] = {
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};
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static const struct regulator_linear_range tps65086_buck126_25mv_ranges[] = {
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REGULATOR_LINEAR_RANGE(1000000, 0x0, 0x18, 0),
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REGULATOR_LINEAR_RANGE(0, 0x0, 0x0, 0),
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REGULATOR_LINEAR_RANGE(1000000, 0x1, 0x18, 0),
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REGULATOR_LINEAR_RANGE(1025000, 0x19, 0x7F, 25000),
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};
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@ -24,7 +24,7 @@
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#include <linux/delay.h>
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/*
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* The TWL4030/TW5030/TPS659x0/TWL6030 family chips include power management, a
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* The TWL4030/TW5030/TPS659x0 family chips include power management, a
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* USB OTG transceiver, an RTC, ADC, PWM, and lots more. Some versions
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* include an audio codec, battery charger, and more voltage regulators.
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* These chips are often used in OMAP-based systems.
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@ -48,25 +48,12 @@ struct twlreg_info {
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/* State REMAP default configuration */
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u8 remap;
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/* chip constraints on regulator behavior */
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u16 min_mV;
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u16 max_mV;
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u8 flags;
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/* used by regulator core */
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struct regulator_desc desc;
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/* chip specific features */
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unsigned long features;
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/*
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* optional override functions for voltage set/get
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* these are currently only used for SMPS regulators
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*/
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int (*get_voltage)(void *data);
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int (*set_voltage)(void *data, int target_uV);
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/* data passed from board for external get/set voltage */
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void *data;
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};
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@ -88,33 +75,6 @@ struct twlreg_info {
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#define VREG_STATE 2
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#define VREG_VOLTAGE 3
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#define VREG_VOLTAGE_SMPS 4
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/* TWL6030 Misc register offsets */
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#define VREG_BC_ALL 1
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#define VREG_BC_REF 2
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#define VREG_BC_PROC 3
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#define VREG_BC_CLK_RST 4
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/* TWL6030 LDO register values for CFG_STATE */
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#define TWL6030_CFG_STATE_OFF 0x00
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#define TWL6030_CFG_STATE_ON 0x01
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#define TWL6030_CFG_STATE_OFF2 0x02
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#define TWL6030_CFG_STATE_SLEEP 0x03
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#define TWL6030_CFG_STATE_GRP_SHIFT 5
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#define TWL6030_CFG_STATE_APP_SHIFT 2
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#define TWL6030_CFG_STATE_APP_MASK (0x03 << TWL6030_CFG_STATE_APP_SHIFT)
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#define TWL6030_CFG_STATE_APP(v) (((v) & TWL6030_CFG_STATE_APP_MASK) >>\
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TWL6030_CFG_STATE_APP_SHIFT)
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/* Flags for SMPS Voltage reading */
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#define SMPS_OFFSET_EN BIT(0)
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#define SMPS_EXTENDED_EN BIT(1)
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/* twl6032 SMPS EPROM values */
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#define TWL6030_SMPS_OFFSET 0xB0
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#define TWL6030_SMPS_MULT 0xB3
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#define SMPS_MULTOFFSET_SMPS4 BIT(0)
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#define SMPS_MULTOFFSET_VIO BIT(1)
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#define SMPS_MULTOFFSET_SMPS3 BIT(6)
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static inline int
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twlreg_read(struct twlreg_info *info, unsigned slave_subgp, unsigned offset)
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@ -168,26 +128,6 @@ static int twl4030reg_is_enabled(struct regulator_dev *rdev)
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return state & P1_GRP_4030;
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}
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static int twl6030reg_is_enabled(struct regulator_dev *rdev)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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int grp = 0, val;
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if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS))) {
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grp = twlreg_grp(rdev);
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if (grp < 0)
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return grp;
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grp &= P1_GRP_6030;
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} else {
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grp = 1;
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}
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val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
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val = TWL6030_CFG_STATE_APP(val);
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return grp && (val == TWL6030_CFG_STATE_ON);
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}
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#define PB_I2C_BUSY BIT(0)
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#define PB_I2C_BWEN BIT(1)
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@ -273,23 +213,6 @@ static int twl4030reg_enable(struct regulator_dev *rdev)
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return ret;
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}
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static int twl6030reg_enable(struct regulator_dev *rdev)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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int grp = 0;
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int ret;
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if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
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grp = twlreg_grp(rdev);
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if (grp < 0)
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return grp;
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ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
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grp << TWL6030_CFG_STATE_GRP_SHIFT |
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TWL6030_CFG_STATE_ON);
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return ret;
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}
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static int twl4030reg_disable(struct regulator_dev *rdev)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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@ -307,23 +230,6 @@ static int twl4030reg_disable(struct regulator_dev *rdev)
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return ret;
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}
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static int twl6030reg_disable(struct regulator_dev *rdev)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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int grp = 0;
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int ret;
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if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
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grp = P1_GRP_6030 | P2_GRP_6030 | P3_GRP_6030;
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/* For 6030, set the off state for all grps enabled */
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ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE,
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(grp) << TWL6030_CFG_STATE_GRP_SHIFT |
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TWL6030_CFG_STATE_OFF);
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return ret;
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}
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static int twl4030reg_get_status(struct regulator_dev *rdev)
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{
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int state = twlreg_grp(rdev);
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@ -340,33 +246,6 @@ static int twl4030reg_get_status(struct regulator_dev *rdev)
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: REGULATOR_STATUS_STANDBY;
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}
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static int twl6030reg_get_status(struct regulator_dev *rdev)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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int val;
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val = twlreg_grp(rdev);
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if (val < 0)
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return val;
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val = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_STATE);
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switch (TWL6030_CFG_STATE_APP(val)) {
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case TWL6030_CFG_STATE_ON:
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return REGULATOR_STATUS_NORMAL;
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case TWL6030_CFG_STATE_SLEEP:
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return REGULATOR_STATUS_STANDBY;
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case TWL6030_CFG_STATE_OFF:
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case TWL6030_CFG_STATE_OFF2:
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default:
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break;
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}
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return REGULATOR_STATUS_OFF;
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}
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static int twl4030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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@ -399,36 +278,6 @@ static inline unsigned int twl4030reg_map_mode(unsigned int mode)
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}
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}
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static int twl6030reg_set_mode(struct regulator_dev *rdev, unsigned mode)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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int grp = 0;
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int val;
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if (!(twl_class_is_6030() && (info->features & TWL6032_SUBCLASS)))
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grp = twlreg_grp(rdev);
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if (grp < 0)
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return grp;
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/* Compose the state register settings */
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val = grp << TWL6030_CFG_STATE_GRP_SHIFT;
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/* We can only set the mode through state machine commands... */
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switch (mode) {
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case REGULATOR_MODE_NORMAL:
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val |= TWL6030_CFG_STATE_ON;
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break;
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case REGULATOR_MODE_STANDBY:
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val |= TWL6030_CFG_STATE_SLEEP;
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break;
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default:
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return -EINVAL;
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}
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return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, val);
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}
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/*----------------------------------------------------------------------*/
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/*
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@ -565,12 +414,7 @@ twl4030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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int vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
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if (info->set_voltage) {
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return info->set_voltage(info->data, min_uV);
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} else {
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twlreg_write(info, TWL_MODULE_PM_RECEIVER,
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VREG_VOLTAGE_SMPS_4030, vsel);
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}
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twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE_SMPS_4030, vsel);
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return 0;
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}
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@ -580,9 +424,6 @@ static int twl4030smps_get_voltage(struct regulator_dev *rdev)
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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int vsel;
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if (info->get_voltage)
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return info->get_voltage(info->data);
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vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER,
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VREG_VOLTAGE_SMPS_4030);
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@ -594,85 +435,6 @@ static struct regulator_ops twl4030smps_ops = {
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.get_voltage = twl4030smps_get_voltage,
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};
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static int twl6030coresmps_set_voltage(struct regulator_dev *rdev, int min_uV,
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int max_uV, unsigned *selector)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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if (info->set_voltage)
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return info->set_voltage(info->data, min_uV);
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return -ENODEV;
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}
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static int twl6030coresmps_get_voltage(struct regulator_dev *rdev)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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if (info->get_voltage)
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return info->get_voltage(info->data);
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return -ENODEV;
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}
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static struct regulator_ops twl6030coresmps_ops = {
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.set_voltage = twl6030coresmps_set_voltage,
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.get_voltage = twl6030coresmps_get_voltage,
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};
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static int twl6030ldo_list_voltage(struct regulator_dev *rdev, unsigned sel)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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switch (sel) {
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case 0:
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return 0;
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case 1 ... 24:
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/* Linear mapping from 00000001 to 00011000:
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* Absolute voltage value = 1.0 V + 0.1 V × (sel – 00000001)
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*/
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return (info->min_mV + 100 * (sel - 1)) * 1000;
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case 25 ... 30:
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return -EINVAL;
|
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case 31:
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return 2750000;
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default:
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return -EINVAL;
|
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}
|
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}
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|
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static int
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twl6030ldo_set_voltage_sel(struct regulator_dev *rdev, unsigned selector)
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{
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struct twlreg_info *info = rdev_get_drvdata(rdev);
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|
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return twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE,
|
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selector);
|
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}
|
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|
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static int twl6030ldo_get_voltage_sel(struct regulator_dev *rdev)
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{
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||||
struct twlreg_info *info = rdev_get_drvdata(rdev);
|
||||
int vsel = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_VOLTAGE);
|
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|
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return vsel;
|
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}
|
||||
|
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static struct regulator_ops twl6030ldo_ops = {
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.list_voltage = twl6030ldo_list_voltage,
|
||||
|
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.set_voltage_sel = twl6030ldo_set_voltage_sel,
|
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.get_voltage_sel = twl6030ldo_get_voltage_sel,
|
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|
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.enable = twl6030reg_enable,
|
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.disable = twl6030reg_disable,
|
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.is_enabled = twl6030reg_is_enabled,
|
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|
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.set_mode = twl6030reg_set_mode,
|
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|
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.get_status = twl6030reg_get_status,
|
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};
|
||||
|
||||
/*----------------------------------------------------------------------*/
|
||||
|
||||
static struct regulator_ops twl4030fixed_ops = {
|
||||
@ -687,226 +449,8 @@ 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,
|
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.is_enabled = twl6030reg_is_enabled,
|
||||
|
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.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_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
|
||||
remap_conf) \
|
||||
TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
|
||||
remap_conf, TWL4030, twl4030fixed_ops, \
|
||||
twl4030reg_map_mode)
|
||||
#define TWL6030_FIXED_LDO(label, offset, mVolts, turnon_delay) \
|
||||
TWL_FIXED_LDO(label, offset, mVolts, 0x0, turnon_delay, \
|
||||
0x0, TWL6030, twl6030fixed_ops, NULL)
|
||||
|
||||
#define TWL4030_ADJUSTABLE_LDO(label, offset, num, turnon_delay, remap_conf) \
|
||||
static const struct twlreg_info TWL4030_INFO_##label = { \
|
||||
.base = offset, \
|
||||
@ -942,79 +486,22 @@ static const struct twlreg_info TWL4030_INFO_##label = { \
|
||||
}, \
|
||||
}
|
||||
|
||||
#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 TWL_FIXED_LDO(label, offset, mVolts, num, turnon_delay, remap_conf, \
|
||||
family, operations, map_mode) \
|
||||
#define TWL4030_FIXED_LDO(label, offset, mVolts, num, turnon_delay, \
|
||||
remap_conf) \
|
||||
static const struct twlreg_info TWLFIXED_INFO_##label = { \
|
||||
.base = offset, \
|
||||
.id = num, \
|
||||
.min_mV = mVolts, \
|
||||
.remap = remap_conf, \
|
||||
.desc = { \
|
||||
.name = #label, \
|
||||
.id = family##_REG_##label, \
|
||||
.id = TWL4030##_REG_##label, \
|
||||
.n_voltages = 1, \
|
||||
.ops = &operations, \
|
||||
.ops = &twl4030fixed_ops, \
|
||||
.type = REGULATOR_VOLTAGE, \
|
||||
.owner = THIS_MODULE, \
|
||||
.min_uV = mVolts * 1000, \
|
||||
.enable_time = turnon_delay, \
|
||||
.of_map_mode = map_mode, \
|
||||
}, \
|
||||
}
|
||||
|
||||
#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, \
|
||||
.of_map_mode = twl4030reg_map_mode, \
|
||||
}, \
|
||||
}
|
||||
|
||||
@ -1038,60 +525,11 @@ TWL4030_ADJUSTABLE_LDO(VIO, 0x4b, 14, 1000, 0x08);
|
||||
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) \
|
||||
{ \
|
||||
@ -1121,81 +559,37 @@ static const struct of_device_id twl_of_match[] = {
|
||||
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);
|
||||
|
||||
static int twlreg_probe(struct platform_device *pdev)
|
||||
{
|
||||
int i, id;
|
||||
int id;
|
||||
struct twlreg_info *info;
|
||||
const struct twlreg_info *template;
|
||||
struct regulator_init_data *initdata;
|
||||
struct regulation_constraints *c;
|
||||
struct regulator_dev *rdev;
|
||||
struct twl_regulator_driver_data *drvdata;
|
||||
const struct of_device_id *match;
|
||||
struct regulator_config config = { };
|
||||
|
||||
match = of_match_device(twl_of_match, &pdev->dev);
|
||||
if (match) {
|
||||
template = match->data;
|
||||
id = template->desc.id;
|
||||
initdata = of_get_regulator_init_data(&pdev->dev,
|
||||
pdev->dev.of_node,
|
||||
&template->desc);
|
||||
drvdata = NULL;
|
||||
} else {
|
||||
id = pdev->id;
|
||||
initdata = dev_get_platdata(&pdev->dev);
|
||||
for (i = 0, template = NULL; i < ARRAY_SIZE(twl_of_match); i++) {
|
||||
template = twl_of_match[i].data;
|
||||
if (template && template->desc.id == id)
|
||||
break;
|
||||
}
|
||||
if (i == ARRAY_SIZE(twl_of_match))
|
||||
return -ENODEV;
|
||||
|
||||
drvdata = initdata->driver_data;
|
||||
if (!drvdata)
|
||||
return -EINVAL;
|
||||
}
|
||||
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;
|
||||
|
||||
@ -1203,14 +597,6 @@ static int twlreg_probe(struct platform_device *pdev)
|
||||
if (!info)
|
||||
return -ENOMEM;
|
||||
|
||||
if (drvdata) {
|
||||
/* copy the driver data into regulator data */
|
||||
info->features = drvdata->features;
|
||||
info->data = drvdata->data;
|
||||
info->set_voltage = drvdata->set_voltage;
|
||||
info->get_voltage = drvdata->get_voltage;
|
||||
}
|
||||
|
||||
/* Constrain board-specific capabilities according to what
|
||||
* this driver and the chip itself can actually do.
|
||||
*/
|
||||
@ -1233,27 +619,6 @@ static int twlreg_probe(struct platform_device *pdev)
|
||||
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;
|
||||
@ -1267,9 +632,7 @@ static int twlreg_probe(struct platform_device *pdev)
|
||||
}
|
||||
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:
|
||||
@ -1282,7 +645,7 @@ static int twlreg_probe(struct platform_device *pdev)
|
||||
return 0;
|
||||
}
|
||||
|
||||
MODULE_ALIAS("platform:twl_reg");
|
||||
MODULE_ALIAS("platform:twl4030_reg");
|
||||
|
||||
static struct platform_driver twlreg_driver = {
|
||||
.probe = twlreg_probe,
|
||||
@ -1290,7 +653,7 @@ static struct platform_driver twlreg_driver = {
|
||||
* "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),
|
||||
},
|
||||
};
|
||||
@ -1307,5 +670,5 @@ static void __exit twlreg_exit(void)
|
||||
}
|
||||
module_exit(twlreg_exit)
|
||||
|
||||
MODULE_DESCRIPTION("TWL regulator driver");
|
||||
MODULE_DESCRIPTION("TWL4030 regulator driver");
|
||||
MODULE_LICENSE("GPL");
|
||||
|
||||
793
drivers/regulator/twl6030-regulator.c
Normal file
793
drivers/regulator/twl6030-regulator.c
Normal file
@ -0,0 +1,793 @@
|
||||
/*
|
||||
* 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;
|
||||
|
||||
/* chip constraints on regulator behavior */
|
||||
u16 min_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) \
|
||||
static const struct twlreg_info TWL6030_INFO_##label = { \
|
||||
.base = offset, \
|
||||
.min_mV = min_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) \
|
||||
static const struct twlreg_info TWL6032_INFO_##label = { \
|
||||
.base = offset, \
|
||||
.min_mV = min_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, \
|
||||
.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, \
|
||||
.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);
|
||||
TWL6030_ADJUSTABLE_LDO(VAUX2_6030, 0x58, 1000);
|
||||
TWL6030_ADJUSTABLE_LDO(VAUX3_6030, 0x5c, 1000);
|
||||
TWL6030_ADJUSTABLE_LDO(VMMC, 0x68, 1000);
|
||||
TWL6030_ADJUSTABLE_LDO(VPP, 0x6c, 1000);
|
||||
TWL6030_ADJUSTABLE_LDO(VUSIM, 0x74, 1000);
|
||||
/* 6025 are renamed compared to 6030 versions */
|
||||
TWL6032_ADJUSTABLE_LDO(LDO2, 0x54, 1000);
|
||||
TWL6032_ADJUSTABLE_LDO(LDO4, 0x58, 1000);
|
||||
TWL6032_ADJUSTABLE_LDO(LDO3, 0x5c, 1000);
|
||||
TWL6032_ADJUSTABLE_LDO(LDO5, 0x68, 1000);
|
||||
TWL6032_ADJUSTABLE_LDO(LDO1, 0x6c, 1000);
|
||||
TWL6032_ADJUSTABLE_LDO(LDO7, 0x74, 1000);
|
||||
TWL6032_ADJUSTABLE_LDO(LDO6, 0x60, 1000);
|
||||
TWL6032_ADJUSTABLE_LDO(LDOLN, 0x64, 1000);
|
||||
TWL6032_ADJUSTABLE_LDO(LDOUSB, 0x70, 1000);
|
||||
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");
|
||||
Loading…
Reference in New Issue
Block a user