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regulator: palmas: Simplify code by not indexing regulator_desc unnecessarily 

Palmas regulator needs to full up the regulator_desc based on PMIC and
type of regulator. However, we dont need to do desc[id] every time. we
can simplify by using a pointer to desc[id] and filling up the
parameters.

Signed-off-by: Nishanth Menon <nm@ti.com>
Tested-by: Stephen Warren <swarren@nvidia.com>
Tested-by: Keerthy <j-keerthy@ti.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Nishanth Menon 2014-06-30 10:57:38 -05:00 committed by Mark Brown
parent 6839cd6f64
commit 429222d005
1 changed files with 112 additions and 136 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

248
drivers/regulator/palmas-regulator.c
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@ -866,6 +866,7 @@ static int palmas_ldo_registration(struct palmas_pmic *pmic,
struct regulator_dev *rdev; struct regulator_dev *rdev;
struct palmas_reg_init *reg_init; struct palmas_reg_init *reg_init;
struct palmas_regs_info *rinfo; struct palmas_regs_info *rinfo;
struct regulator_desc *desc;
for (id = ddata->ldo_begin; id < ddata->max_reg; id++) { for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
if (pdata && pdata->reg_init[id]) if (pdata && pdata->reg_init[id])
@ -879,57 +880,51 @@ static int palmas_ldo_registration(struct palmas_pmic *pmic,
*/ */
/* Register the regulators */ /* Register the regulators */
pmic->desc[id].name = rinfo->name; desc = &pmic->desc[id];
pmic->desc[id].id = id; desc->name = rinfo->name;
pmic->desc[id].type = REGULATOR_VOLTAGE; desc->id = id;
pmic->desc[id].owner = THIS_MODULE; desc->type = REGULATOR_VOLTAGE;
desc->owner = THIS_MODULE;
if (id < PALMAS_REG_REGEN1) { if (id < PALMAS_REG_REGEN1) {
pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES; desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
if (reg_init && reg_init->roof_floor) if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops = desc->ops = &palmas_ops_ext_control_ldo;
&palmas_ops_ext_control_ldo;
else else
pmic->desc[id].ops = &palmas_ops_ldo; desc->ops = &palmas_ops_ldo;
pmic->desc[id].min_uV = 900000; desc->min_uV = 900000;
pmic->desc[id].uV_step = 50000; desc->uV_step = 50000;
pmic->desc[id].linear_min_sel = 1; desc->linear_min_sel = 1;
pmic->desc[id].enable_time = 500; desc->enable_time = 500;
pmic->desc[id].vsel_reg = desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, rinfo->vsel_addr);
rinfo->vsel_addr); desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
pmic->desc[id].vsel_mask = desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
PALMAS_LDO1_VOLTAGE_VSEL_MASK; rinfo->ctrl_addr);
pmic->desc[id].enable_reg = desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
rinfo->ctrl_addr);
pmic->desc[id].enable_mask =
PALMAS_LDO1_CTRL_MODE_ACTIVE;
/* Check if LDO8 is in tracking mode or not */ /* Check if LDO8 is in tracking mode or not */
if (pdata && (id == PALMAS_REG_LDO8) && if (pdata && (id == PALMAS_REG_LDO8) &&
pdata->enable_ldo8_tracking) { pdata->enable_ldo8_tracking) {
palmas_enable_ldo8_track(pmic->palmas); palmas_enable_ldo8_track(pmic->palmas);
pmic->desc[id].min_uV = 450000; desc->min_uV = 450000;
pmic->desc[id].uV_step = 25000; desc->uV_step = 25000;
} }
/* LOD6 in vibrator mode will have enable time 2000us */ /* LOD6 in vibrator mode will have enable time 2000us */
if (pdata && pdata->ldo6_vibrator && if (pdata && pdata->ldo6_vibrator &&
(id == PALMAS_REG_LDO6)) (id == PALMAS_REG_LDO6))
pmic->desc[id].enable_time = 2000; desc->enable_time = 2000;
} else { } else {
pmic->desc[id].n_voltages = 1; desc->n_voltages = 1;
if (reg_init && reg_init->roof_floor) if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops = desc->ops = &palmas_ops_ext_control_extreg;
&palmas_ops_ext_control_extreg;
else else
pmic->desc[id].ops = &palmas_ops_extreg; desc->ops = &palmas_ops_extreg;
pmic->desc[id].enable_reg = desc->enable_reg =
PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE, PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
rinfo->ctrl_addr); rinfo->ctrl_addr);
pmic->desc[id].enable_mask = desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
PALMAS_REGEN1_CTRL_MODE_ACTIVE;
} }
if (pdata) if (pdata)
@ -937,11 +932,10 @@ static int palmas_ldo_registration(struct palmas_pmic *pmic,
else else
config.init_data = NULL; config.init_data = NULL;
pmic->desc[id].supply_name = rinfo->sname; desc->supply_name = rinfo->sname;
config.of_node = ddata->palmas_matches[id].of_node; config.of_node = ddata->palmas_matches[id].of_node;
rdev = devm_regulator_register(pmic->dev, &pmic->desc[id], rdev = devm_regulator_register(pmic->dev, desc, &config);
&config);
if (IS_ERR(rdev)) { if (IS_ERR(rdev)) {
dev_err(pmic->dev, dev_err(pmic->dev,
"failed to register %s regulator\n", "failed to register %s regulator\n",
@ -981,6 +975,7 @@ static int tps65917_ldo_registration(struct palmas_pmic *pmic,
struct regulator_dev *rdev; struct regulator_dev *rdev;
struct palmas_reg_init *reg_init; struct palmas_reg_init *reg_init;
struct palmas_regs_info *rinfo; struct palmas_regs_info *rinfo;
struct regulator_desc *desc;
for (id = ddata->ldo_begin; id < ddata->max_reg; id++) { for (id = ddata->ldo_begin; id < ddata->max_reg; id++) {
if (pdata && pdata->reg_init[id]) if (pdata && pdata->reg_init[id])
@ -994,49 +989,43 @@ static int tps65917_ldo_registration(struct palmas_pmic *pmic,
rinfo = &ddata->palmas_regs_info[id]; rinfo = &ddata->palmas_regs_info[id];
/* Register the regulators */ /* Register the regulators */
pmic->desc[id].name = rinfo->name; desc = &pmic->desc[id];
pmic->desc[id].id = id; desc->name = rinfo->name;
pmic->desc[id].type = REGULATOR_VOLTAGE; desc->id = id;
pmic->desc[id].owner = THIS_MODULE; desc->type = REGULATOR_VOLTAGE;
desc->owner = THIS_MODULE;
if (id < TPS65917_REG_REGEN1) { if (id < TPS65917_REG_REGEN1) {
pmic->desc[id].n_voltages = PALMAS_LDO_NUM_VOLTAGES; desc->n_voltages = PALMAS_LDO_NUM_VOLTAGES;
if (reg_init && reg_init->roof_floor) if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops = desc->ops = &palmas_ops_ext_control_ldo;
&palmas_ops_ext_control_ldo;
else else
pmic->desc[id].ops = &tps65917_ops_ldo; desc->ops = &tps65917_ops_ldo;
pmic->desc[id].min_uV = 900000; desc->min_uV = 900000;
pmic->desc[id].uV_step = 50000; desc->uV_step = 50000;
pmic->desc[id].linear_min_sel = 1; desc->linear_min_sel = 1;
pmic->desc[id].enable_time = 500; desc->enable_time = 500;
pmic->desc[id].vsel_reg = desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
PALMAS_BASE_TO_REG(PALMAS_LDO_BASE, rinfo->vsel_addr);
rinfo->vsel_addr); desc->vsel_mask = PALMAS_LDO1_VOLTAGE_VSEL_MASK;
pmic->desc[id].vsel_mask = desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
PALMAS_LDO1_VOLTAGE_VSEL_MASK; rinfo->ctrl_addr);
pmic->desc[id].enable_reg = desc->enable_mask = PALMAS_LDO1_CTRL_MODE_ACTIVE;
PALMAS_BASE_TO_REG(PALMAS_LDO_BASE,
rinfo->ctrl_addr);
pmic->desc[id].enable_mask =
PALMAS_LDO1_CTRL_MODE_ACTIVE;
/* /*
* To be confirmed. Discussion on going with PMIC Team. * To be confirmed. Discussion on going with PMIC Team.
* It is of the order of ~60mV/uS. * It is of the order of ~60mV/uS.
*/ */
pmic->desc[id].ramp_delay = 2500; desc->ramp_delay = 2500;
} else { } else {
pmic->desc[id].n_voltages = 1; desc->n_voltages = 1;
if (reg_init && reg_init->roof_floor) if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops = desc->ops = &palmas_ops_ext_control_extreg;
&palmas_ops_ext_control_extreg;
else else
pmic->desc[id].ops = &palmas_ops_extreg; desc->ops = &palmas_ops_extreg;
pmic->desc[id].enable_reg = desc->enable_reg =
PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE, PALMAS_BASE_TO_REG(PALMAS_RESOURCE_BASE,
rinfo->ctrl_addr); rinfo->ctrl_addr);
pmic->desc[id].enable_mask = desc->enable_mask = PALMAS_REGEN1_CTRL_MODE_ACTIVE;
PALMAS_REGEN1_CTRL_MODE_ACTIVE;
} }
if (pdata) if (pdata)
@ -1044,11 +1033,10 @@ static int tps65917_ldo_registration(struct palmas_pmic *pmic,
else else
config.init_data = NULL; config.init_data = NULL;
pmic->desc[id].supply_name = rinfo->sname; desc->supply_name = rinfo->sname;
config.of_node = ddata->palmas_matches[id].of_node; config.of_node = ddata->palmas_matches[id].of_node;
rdev = devm_regulator_register(pmic->dev, &pmic->desc[id], rdev = devm_regulator_register(pmic->dev, desc, &config);
&config);
if (IS_ERR(rdev)) { if (IS_ERR(rdev)) {
dev_err(pmic->dev, dev_err(pmic->dev,
"failed to register %s regulator\n", "failed to register %s regulator\n",
@ -1089,6 +1077,7 @@ static int palmas_smps_registration(struct palmas_pmic *pmic,
struct regulator_dev *rdev; struct regulator_dev *rdev;
struct palmas_reg_init *reg_init; struct palmas_reg_init *reg_init;
struct palmas_regs_info *rinfo; struct palmas_regs_info *rinfo;
struct regulator_desc *desc;
for (id = ddata->smps_start; id <= ddata->smps_end; id++) { for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
bool ramp_delay_support = false; bool ramp_delay_support = false;
@ -1128,6 +1117,7 @@ static int palmas_smps_registration(struct palmas_pmic *pmic,
continue; continue;
} }
rinfo = &ddata->palmas_regs_info[id]; rinfo = &ddata->palmas_regs_info[id];
desc = &pmic->desc[id];
if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8)) if ((id == PALMAS_REG_SMPS6) || (id == PALMAS_REG_SMPS8))
ramp_delay_support = true; ramp_delay_support = true;
@ -1140,9 +1130,8 @@ static int palmas_smps_registration(struct palmas_pmic *pmic,
"reading TSTEP reg failed: %d\n", ret); "reading TSTEP reg failed: %d\n", ret);
return ret; return ret;
} }
pmic->desc[id].ramp_delay = desc->ramp_delay = palmas_smps_ramp_delay[reg & 0x3];
palmas_smps_ramp_delay[reg & 0x3]; pmic->ramp_delay[id] = desc->ramp_delay;
pmic->ramp_delay[id] = pmic->desc[id].ramp_delay;
} }
/* Initialise sleep/init values from platform data */ /* Initialise sleep/init values from platform data */
@ -1156,31 +1145,28 @@ static int palmas_smps_registration(struct palmas_pmic *pmic,
} }
/* Register the regulators */ /* Register the regulators */
pmic->desc[id].name = rinfo->name; desc->name = rinfo->name;
pmic->desc[id].id = id; desc->id = id;
switch (id) { switch (id) {
case PALMAS_REG_SMPS10_OUT1: case PALMAS_REG_SMPS10_OUT1:
case PALMAS_REG_SMPS10_OUT2: case PALMAS_REG_SMPS10_OUT2:
pmic->desc[id].n_voltages = PALMAS_SMPS10_NUM_VOLTAGES; desc->n_voltages = PALMAS_SMPS10_NUM_VOLTAGES;
pmic->desc[id].ops = &palmas_ops_smps10; desc->ops = &palmas_ops_smps10;
pmic->desc[id].vsel_reg = desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, PALMAS_SMPS10_CTRL);
PALMAS_SMPS10_CTRL); desc->vsel_mask = SMPS10_VSEL;
pmic->desc[id].vsel_mask = SMPS10_VSEL; desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
pmic->desc[id].enable_reg = PALMAS_SMPS10_CTRL);
PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
PALMAS_SMPS10_CTRL);
if (id == PALMAS_REG_SMPS10_OUT1) if (id == PALMAS_REG_SMPS10_OUT1)
pmic->desc[id].enable_mask = SMPS10_SWITCH_EN; desc->enable_mask = SMPS10_SWITCH_EN;
else else
pmic->desc[id].enable_mask = SMPS10_BOOST_EN; desc->enable_mask = SMPS10_BOOST_EN;
pmic->desc[id].bypass_reg = desc->bypass_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, PALMAS_SMPS10_CTRL);
PALMAS_SMPS10_CTRL); desc->bypass_mask = SMPS10_BYPASS_EN;
pmic->desc[id].bypass_mask = SMPS10_BYPASS_EN; desc->min_uV = 3750000;
pmic->desc[id].min_uV = 3750000; desc->uV_step = 1250000;
pmic->desc[id].uV_step = 1250000;
break; break;
default: default:
/* /*
@ -1190,7 +1176,7 @@ static int palmas_smps_registration(struct palmas_pmic *pmic,
* ranges. Read the current smps mode for later use. * ranges. Read the current smps mode for later use.
*/ */
addr = rinfo->vsel_addr; addr = rinfo->vsel_addr;
pmic->desc[id].n_linear_ranges = 3; desc->n_linear_ranges = 3;
ret = palmas_smps_read(pmic->palmas, addr, &reg); ret = palmas_smps_read(pmic->palmas, addr, &reg);
if (ret) if (ret)
@ -1198,21 +1184,18 @@ static int palmas_smps_registration(struct palmas_pmic *pmic,
if (reg & PALMAS_SMPS12_VOLTAGE_RANGE) if (reg & PALMAS_SMPS12_VOLTAGE_RANGE)
pmic->range[id] = 1; pmic->range[id] = 1;
if (pmic->range[id]) if (pmic->range[id])
pmic->desc[id].linear_ranges = smps_high_ranges; desc->linear_ranges = smps_high_ranges;
else else
pmic->desc[id].linear_ranges = smps_low_ranges; desc->linear_ranges = smps_low_ranges;
if (reg_init && reg_init->roof_floor) if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops = desc->ops = &palmas_ops_ext_control_smps;
&palmas_ops_ext_control_smps;
else else
pmic->desc[id].ops = &palmas_ops_smps; desc->ops = &palmas_ops_smps;
pmic->desc[id].n_voltages = PALMAS_SMPS_NUM_VOLTAGES; desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
pmic->desc[id].vsel_reg = desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, rinfo->vsel_addr);
rinfo->vsel_addr); desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
pmic->desc[id].vsel_mask =
PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
/* Read the smps mode for later use. */ /* Read the smps mode for later use. */
addr = rinfo->ctrl_addr; addr = rinfo->ctrl_addr;
@ -1222,28 +1205,25 @@ static int palmas_smps_registration(struct palmas_pmic *pmic,
pmic->current_reg_mode[id] = reg & pmic->current_reg_mode[id] = reg &
PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
pmic->desc[id].enable_reg = desc->enable_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, rinfo->ctrl_addr);
rinfo->ctrl_addr); desc->enable_mask = PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
pmic->desc[id].enable_mask =
PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
/* set_mode overrides this value */ /* set_mode overrides this value */
pmic->desc[id].enable_val = SMPS_CTRL_MODE_ON; desc->enable_val = SMPS_CTRL_MODE_ON;
} }
pmic->desc[id].type = REGULATOR_VOLTAGE; desc->type = REGULATOR_VOLTAGE;
pmic->desc[id].owner = THIS_MODULE; desc->owner = THIS_MODULE;
if (pdata) if (pdata)
config.init_data = pdata->reg_data[id]; config.init_data = pdata->reg_data[id];
else else
config.init_data = NULL; config.init_data = NULL;
pmic->desc[id].supply_name = rinfo->sname; desc->supply_name = rinfo->sname;
config.of_node = ddata->palmas_matches[id].of_node; config.of_node = ddata->palmas_matches[id].of_node;
rdev = devm_regulator_register(pmic->dev, &pmic->desc[id], rdev = devm_regulator_register(pmic->dev, desc, &config);
&config);
if (IS_ERR(rdev)) { if (IS_ERR(rdev)) {
dev_err(pmic->dev, dev_err(pmic->dev,
"failed to register %s regulator\n", "failed to register %s regulator\n",
@ -1269,13 +1249,15 @@ static int tps65917_smps_registration(struct palmas_pmic *pmic,
struct regulator_dev *rdev; struct regulator_dev *rdev;
struct palmas_reg_init *reg_init; struct palmas_reg_init *reg_init;
struct palmas_regs_info *rinfo; struct palmas_regs_info *rinfo;
struct regulator_desc *desc;
for (id = ddata->smps_start; id <= ddata->smps_end; id++) { for (id = ddata->smps_start; id <= ddata->smps_end; id++) {
/* /*
* Miss out regulators which are not available due * Miss out regulators which are not available due
* to slaving configurations. * to slaving configurations.
*/ */
pmic->desc[id].n_linear_ranges = 3; desc = &pmic->desc[id];
desc->n_linear_ranges = 3;
if ((id == TPS65917_REG_SMPS2) && pmic->smps12) if ((id == TPS65917_REG_SMPS2) && pmic->smps12)
continue; continue;
@ -1291,8 +1273,8 @@ static int tps65917_smps_registration(struct palmas_pmic *pmic,
rinfo = &ddata->palmas_regs_info[id]; rinfo = &ddata->palmas_regs_info[id];
/* Register the regulators */ /* Register the regulators */
pmic->desc[id].name = rinfo->name; desc->name = rinfo->name;
pmic->desc[id].id = id; desc->id = id;
/* /*
* Read and store the RANGE bit for later use * Read and store the RANGE bit for later use
@ -1309,24 +1291,19 @@ static int tps65917_smps_registration(struct palmas_pmic *pmic,
pmic->range[id] = 1; pmic->range[id] = 1;
if (pmic->range[id]) if (pmic->range[id])
pmic->desc[id].linear_ranges = smps_high_ranges; desc->linear_ranges = smps_high_ranges;
else else
pmic->desc[id].linear_ranges = smps_low_ranges; desc->linear_ranges = smps_low_ranges;
if (reg_init && reg_init->roof_floor) if (reg_init && reg_init->roof_floor)
pmic->desc[id].ops = desc->ops = &tps65917_ops_ext_control_smps;
&tps65917_ops_ext_control_smps;
else else
pmic->desc[id].ops = &tps65917_ops_smps; desc->ops = &tps65917_ops_smps;
pmic->desc[id].n_voltages = PALMAS_SMPS_NUM_VOLTAGES; desc->n_voltages = PALMAS_SMPS_NUM_VOLTAGES;
pmic->desc[id].vsel_reg = desc->vsel_reg = PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE,
PALMAS_BASE_TO_REG(PALMAS_SMPS_BASE, rinfo->vsel_addr);
rinfo->vsel_addr); desc->vsel_mask = PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
pmic->desc[id].vsel_mask = desc->ramp_delay = 2500;
PALMAS_SMPS12_VOLTAGE_VSEL_MASK;
pmic->desc[id].ramp_delay = 2500;
/* Read the smps mode for later use. */ /* Read the smps mode for later use. */
addr = rinfo->ctrl_addr; addr = rinfo->ctrl_addr;
@ -1336,19 +1313,18 @@ static int tps65917_smps_registration(struct palmas_pmic *pmic,
pmic->current_reg_mode[id] = reg & pmic->current_reg_mode[id] = reg &
PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK; PALMAS_SMPS12_CTRL_MODE_ACTIVE_MASK;
pmic->desc[id].type = REGULATOR_VOLTAGE; desc->type = REGULATOR_VOLTAGE;
pmic->desc[id].owner = THIS_MODULE; desc->owner = THIS_MODULE;
if (pdata) if (pdata)
config.init_data = pdata->reg_data[id]; config.init_data = pdata->reg_data[id];
else else
config.init_data = NULL; config.init_data = NULL;
pmic->desc[id].supply_name = rinfo->sname; desc->supply_name = rinfo->sname;
config.of_node = ddata->palmas_matches[id].of_node; config.of_node = ddata->palmas_matches[id].of_node;
rdev = devm_regulator_register(pmic->dev, &pmic->desc[id], rdev = devm_regulator_register(pmic->dev, desc, &config);
&config);
if (IS_ERR(rdev)) { if (IS_ERR(rdev)) {
dev_err(pmic->dev, dev_err(pmic->dev,
"failed to register %s regulator\n", "failed to register %s regulator\n",