diff options
Diffstat (limited to 'drivers/regulator/mc13783-regulator.c')
| -rw-r--r-- | drivers/regulator/mc13783-regulator.c | 237 |
1 files changed, 149 insertions, 88 deletions
diff --git a/drivers/regulator/mc13783-regulator.c b/drivers/regulator/mc13783-regulator.c index 3e5d0c3b4e5..7f4a67edf78 100644 --- a/drivers/regulator/mc13783-regulator.c +++ b/drivers/regulator/mc13783-regulator.c @@ -18,8 +18,33 @@ #include <linux/slab.h> #include <linux/init.h> #include <linux/err.h> +#include <linux/module.h> #include "mc13xxx.h" +#define MC13783_REG_SWITCHERS0 24 +/* Enable does not exist for SW1A */ +#define MC13783_REG_SWITCHERS0_SW1AEN 0 +#define MC13783_REG_SWITCHERS0_SW1AVSEL 0 +#define MC13783_REG_SWITCHERS0_SW1AVSEL_M (63 << 0) + +#define MC13783_REG_SWITCHERS1 25 +/* Enable does not exist for SW1B */ +#define MC13783_REG_SWITCHERS1_SW1BEN 0 +#define MC13783_REG_SWITCHERS1_SW1BVSEL 0 +#define MC13783_REG_SWITCHERS1_SW1BVSEL_M (63 << 0) + +#define MC13783_REG_SWITCHERS2 26 +/* Enable does not exist for SW2A */ +#define MC13783_REG_SWITCHERS2_SW2AEN 0 +#define MC13783_REG_SWITCHERS2_SW2AVSEL 0 +#define MC13783_REG_SWITCHERS2_SW2AVSEL_M (63 << 0) + +#define MC13783_REG_SWITCHERS3 27 +/* Enable does not exist for SW2B */ +#define MC13783_REG_SWITCHERS3_SW2BEN 0 +#define MC13783_REG_SWITCHERS3_SW2BVSEL 0 +#define MC13783_REG_SWITCHERS3_SW2BVSEL_M (63 << 0) + #define MC13783_REG_SWITCHERS5 29 #define MC13783_REG_SWITCHERS5_SW3EN (1 << 20) #define MC13783_REG_SWITCHERS5_SW3VSEL 18 @@ -92,78 +117,116 @@ /* Voltage Values */ -static const int mc13783_sw3_val[] = { +static const int mc13783_sw1x_val[] = { + 900000, 925000, 950000, 975000, + 1000000, 1025000, 1050000, 1075000, + 1100000, 1125000, 1150000, 1175000, + 1200000, 1225000, 1250000, 1275000, + 1300000, 1325000, 1350000, 1375000, + 1400000, 1425000, 1450000, 1475000, + 1500000, 1525000, 1550000, 1575000, + 1600000, 1625000, 1650000, 1675000, + 1700000, 1700000, 1700000, 1700000, + 1800000, 1800000, 1800000, 1800000, + 1850000, 1850000, 1850000, 1850000, + 2000000, 2000000, 2000000, 2000000, + 2100000, 2100000, 2100000, 2100000, + 2200000, 2200000, 2200000, 2200000, + 2200000, 2200000, 2200000, 2200000, + 2200000, 2200000, 2200000, 2200000, +}; + +static const int mc13783_sw2x_val[] = { + 900000, 925000, 950000, 975000, + 1000000, 1025000, 1050000, 1075000, + 1100000, 1125000, 1150000, 1175000, + 1200000, 1225000, 1250000, 1275000, + 1300000, 1325000, 1350000, 1375000, + 1400000, 1425000, 1450000, 1475000, + 1500000, 1525000, 1550000, 1575000, + 1600000, 1625000, 1650000, 1675000, + 1700000, 1700000, 1700000, 1700000, + 1800000, 1800000, 1800000, 1800000, + 1900000, 1900000, 1900000, 1900000, + 2000000, 2000000, 2000000, 2000000, + 2100000, 2100000, 2100000, 2100000, + 2200000, 2200000, 2200000, 2200000, + 2200000, 2200000, 2200000, 2200000, + 2200000, 2200000, 2200000, 2200000, +}; + +static const unsigned int mc13783_sw3_val[] = { 5000000, 5000000, 5000000, 5500000, }; -static const int mc13783_vaudio_val[] = { +static const unsigned int mc13783_vaudio_val[] = { 2775000, }; -static const int mc13783_viohi_val[] = { +static const unsigned int mc13783_viohi_val[] = { 2775000, }; -static const int mc13783_violo_val[] = { +static const unsigned int mc13783_violo_val[] = { 1200000, 1300000, 1500000, 1800000, }; -static const int mc13783_vdig_val[] = { +static const unsigned int mc13783_vdig_val[] = { 1200000, 1300000, 1500000, 1800000, }; -static const int mc13783_vgen_val[] = { +static const unsigned int mc13783_vgen_val[] = { 1200000, 1300000, 1500000, 1800000, 1100000, 2000000, 2775000, 2400000, }; -static const int mc13783_vrfdig_val[] = { +static const unsigned int mc13783_vrfdig_val[] = { 1200000, 1500000, 1800000, 1875000, }; -static const int mc13783_vrfref_val[] = { +static const unsigned int mc13783_vrfref_val[] = { 2475000, 2600000, 2700000, 2775000, }; -static const int mc13783_vrfcp_val[] = { +static const unsigned int mc13783_vrfcp_val[] = { 2700000, 2775000, }; -static const int mc13783_vsim_val[] = { +static const unsigned int mc13783_vsim_val[] = { 1800000, 2900000, 3000000, }; -static const int mc13783_vesim_val[] = { +static const unsigned int mc13783_vesim_val[] = { 1800000, 2900000, }; -static const int mc13783_vcam_val[] = { +static const unsigned int mc13783_vcam_val[] = { 1500000, 1800000, 2500000, 2550000, 2600000, 2750000, 2800000, 3000000, }; -static const int mc13783_vrfbg_val[] = { +static const unsigned int mc13783_vrfbg_val[] = { 1250000, }; -static const int mc13783_vvib_val[] = { +static const unsigned int mc13783_vvib_val[] = { 1300000, 1800000, 2000000, 3000000, }; -static const int mc13783_vmmc_val[] = { +static const unsigned int mc13783_vmmc_val[] = { 1600000, 1800000, 2000000, 2600000, 2700000, 2800000, 2900000, 3000000, }; -static const int mc13783_vrf_val[] = { +static const unsigned int mc13783_vrf_val[] = { 1500000, 1875000, 2700000, 2775000, }; -static const int mc13783_gpo_val[] = { +static const unsigned int mc13783_gpo_val[] = { 3100000, }; -static const int mc13783_pwgtdrv_val[] = { +static const unsigned int mc13783_pwgtdrv_val[] = { 5500000, }; @@ -187,38 +250,42 @@ static struct regulator_ops mc13783_gpo_regulator_ops; MC13783_DEFINE(REG, _name, _reg, _vsel_reg, _voltages) static struct mc13xxx_regulator mc13783_regulators[] = { + MC13783_DEFINE_SW(SW1A, SWITCHERS0, SWITCHERS0, mc13783_sw1x_val), + MC13783_DEFINE_SW(SW1B, SWITCHERS1, SWITCHERS1, mc13783_sw1x_val), + MC13783_DEFINE_SW(SW2A, SWITCHERS2, SWITCHERS2, mc13783_sw2x_val), + MC13783_DEFINE_SW(SW2B, SWITCHERS3, SWITCHERS3, mc13783_sw2x_val), MC13783_DEFINE_SW(SW3, SWITCHERS5, SWITCHERS5, mc13783_sw3_val), MC13783_FIXED_DEFINE(REG, VAUDIO, REGULATORMODE0, mc13783_vaudio_val), MC13783_FIXED_DEFINE(REG, VIOHI, REGULATORMODE0, mc13783_viohi_val), - MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VIOLO, REGULATORMODE0, REGULATORSETTING0, mc13783_violo_val), - MC13783_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VDIG, REGULATORMODE0, REGULATORSETTING0, mc13783_vdig_val), - MC13783_DEFINE_REGU(VGEN, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VGEN, REGULATORMODE0, REGULATORSETTING0, mc13783_vgen_val), - MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VRFDIG, REGULATORMODE0, REGULATORSETTING0, mc13783_vrfdig_val), - MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VRFREF, REGULATORMODE0, REGULATORSETTING0, mc13783_vrfref_val), - MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VRFCP, REGULATORMODE0, REGULATORSETTING0, mc13783_vrfcp_val), - MC13783_DEFINE_REGU(VSIM, REGULATORMODE1, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VSIM, REGULATORMODE1, REGULATORSETTING0, mc13783_vsim_val), - MC13783_DEFINE_REGU(VESIM, REGULATORMODE1, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VESIM, REGULATORMODE1, REGULATORSETTING0, mc13783_vesim_val), - MC13783_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, \ + MC13783_DEFINE_REGU(VCAM, REGULATORMODE1, REGULATORSETTING0, mc13783_vcam_val), MC13783_FIXED_DEFINE(REG, VRFBG, REGULATORMODE1, mc13783_vrfbg_val), - MC13783_DEFINE_REGU(VVIB, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VVIB, REGULATORMODE1, REGULATORSETTING1, mc13783_vvib_val), - MC13783_DEFINE_REGU(VRF1, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VRF1, REGULATORMODE1, REGULATORSETTING1, mc13783_vrf_val), - MC13783_DEFINE_REGU(VRF2, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VRF2, REGULATORMODE1, REGULATORSETTING1, mc13783_vrf_val), - MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VMMC1, REGULATORMODE1, REGULATORSETTING1, mc13783_vmmc_val), - MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1, REGULATORSETTING1, \ + MC13783_DEFINE_REGU(VMMC2, REGULATORMODE1, REGULATORSETTING1, mc13783_vmmc_val), MC13783_GPO_DEFINE(REG, GPO1, POWERMISC, mc13783_gpo_val), MC13783_GPO_DEFINE(REG, GPO2, POWERMISC, mc13783_gpo_val), @@ -237,9 +304,10 @@ static int mc13783_powermisc_rmw(struct mc13xxx_regulator_priv *priv, u32 mask, BUG_ON(val & ~mask); + mc13xxx_lock(priv->mc13xxx); ret = mc13xxx_reg_read(mc13783, MC13783_REG_POWERMISC, &valread); if (ret) - return ret; + goto out; /* Update the stored state for Power Gates. */ priv->powermisc_pwgt_state = @@ -252,7 +320,10 @@ static int mc13783_powermisc_rmw(struct mc13xxx_regulator_priv *priv, u32 mask, valread = (valread & ~MC13783_REG_POWERMISC_PWGTSPI_M) | priv->powermisc_pwgt_state; - return mc13xxx_reg_write(mc13783, MC13783_REG_POWERMISC, valread); + ret = mc13xxx_reg_write(mc13783, MC13783_REG_POWERMISC, valread); +out: + mc13xxx_unlock(priv->mc13xxx); + return ret; } static int mc13783_gpo_regulator_enable(struct regulator_dev *rdev) @@ -260,7 +331,6 @@ static int mc13783_gpo_regulator_enable(struct regulator_dev *rdev) struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev); struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators; int id = rdev_get_id(rdev); - int ret; u32 en_val = mc13xxx_regulators[id].enable_bit; dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id); @@ -270,12 +340,8 @@ static int mc13783_gpo_regulator_enable(struct regulator_dev *rdev) id == MC13783_REG_PWGT2SPI) en_val = 0; - mc13xxx_lock(priv->mc13xxx); - ret = mc13783_powermisc_rmw(priv, mc13xxx_regulators[id].enable_bit, + return mc13783_powermisc_rmw(priv, mc13xxx_regulators[id].enable_bit, en_val); - mc13xxx_unlock(priv->mc13xxx); - - return ret; } static int mc13783_gpo_regulator_disable(struct regulator_dev *rdev) @@ -283,7 +349,6 @@ static int mc13783_gpo_regulator_disable(struct regulator_dev *rdev) struct mc13xxx_regulator_priv *priv = rdev_get_drvdata(rdev); struct mc13xxx_regulator *mc13xxx_regulators = priv->mc13xxx_regulators; int id = rdev_get_id(rdev); - int ret; u32 dis_val = 0; dev_dbg(rdev_get_dev(rdev), "%s id: %d\n", __func__, id); @@ -293,12 +358,8 @@ static int mc13783_gpo_regulator_disable(struct regulator_dev *rdev) id == MC13783_REG_PWGT2SPI) dis_val = mc13xxx_regulators[id].enable_bit; - mc13xxx_lock(priv->mc13xxx); - ret = mc13783_powermisc_rmw(priv, mc13xxx_regulators[id].enable_bit, + return mc13783_powermisc_rmw(priv, mc13xxx_regulators[id].enable_bit, dis_val); - mc13xxx_unlock(priv->mc13xxx); - - return ret; } static int mc13783_gpo_regulator_is_enabled(struct regulator_dev *rdev) @@ -327,70 +388,71 @@ static struct regulator_ops mc13783_gpo_regulator_ops = { .enable = mc13783_gpo_regulator_enable, .disable = mc13783_gpo_regulator_disable, .is_enabled = mc13783_gpo_regulator_is_enabled, - .list_voltage = mc13xxx_regulator_list_voltage, + .list_voltage = regulator_list_voltage_table, .set_voltage = mc13xxx_fixed_regulator_set_voltage, - .get_voltage = mc13xxx_fixed_regulator_get_voltage, }; -static int __devinit mc13783_regulator_probe(struct platform_device *pdev) +static int mc13783_regulator_probe(struct platform_device *pdev) { struct mc13xxx_regulator_priv *priv; struct mc13xxx *mc13783 = dev_get_drvdata(pdev->dev.parent); - struct mc13783_regulator_platform_data *pdata = + struct mc13xxx_regulator_platform_data *pdata = dev_get_platdata(&pdev->dev); - struct mc13783_regulator_init_data *init_data; - int i, ret; + struct mc13xxx_regulator_init_data *mc13xxx_data; + struct regulator_config config = { }; + int i, num_regulators; + + num_regulators = mc13xxx_get_num_regulators_dt(pdev); - dev_dbg(&pdev->dev, "mc13783_regulator_probe id %d\n", pdev->id); + if (num_regulators <= 0 && pdata) + num_regulators = pdata->num_regulators; + if (num_regulators <= 0) + return -EINVAL; - priv = kzalloc(sizeof(*priv) + - pdata->num_regulators * sizeof(priv->regulators[0]), + priv = devm_kzalloc(&pdev->dev, sizeof(*priv) + + num_regulators * sizeof(priv->regulators[0]), GFP_KERNEL); if (!priv) return -ENOMEM; + priv->num_regulators = num_regulators; priv->mc13xxx_regulators = mc13783_regulators; priv->mc13xxx = mc13783; + platform_set_drvdata(pdev, priv); + + mc13xxx_data = mc13xxx_parse_regulators_dt(pdev, mc13783_regulators, + ARRAY_SIZE(mc13783_regulators)); + + for (i = 0; i < priv->num_regulators; i++) { + struct regulator_init_data *init_data; + struct regulator_desc *desc; + struct device_node *node = NULL; + int id; + + if (mc13xxx_data) { + id = mc13xxx_data[i].id; + init_data = mc13xxx_data[i].init_data; + node = mc13xxx_data[i].node; + } else { + id = pdata->regulators[i].id; + init_data = pdata->regulators[i].init_data; + } + desc = &mc13783_regulators[id].desc; - for (i = 0; i < pdata->num_regulators; i++) { - init_data = &pdata->regulators[i]; - priv->regulators[i] = regulator_register( - &mc13783_regulators[init_data->id].desc, - &pdev->dev, init_data->init_data, priv); + config.dev = &pdev->dev; + config.init_data = init_data; + config.driver_data = priv; + config.of_node = node; + priv->regulators[i] = devm_regulator_register(&pdev->dev, desc, + &config); if (IS_ERR(priv->regulators[i])) { dev_err(&pdev->dev, "failed to register regulator %s\n", mc13783_regulators[i].desc.name); - ret = PTR_ERR(priv->regulators[i]); - goto err; + return PTR_ERR(priv->regulators[i]); } } - platform_set_drvdata(pdev, priv); - - return 0; -err: - while (--i >= 0) - regulator_unregister(priv->regulators[i]); - - kfree(priv); - - return ret; -} - -static int __devexit mc13783_regulator_remove(struct platform_device *pdev) -{ - struct mc13xxx_regulator_priv *priv = platform_get_drvdata(pdev); - struct mc13783_regulator_platform_data *pdata = - dev_get_platdata(&pdev->dev); - int i; - - platform_set_drvdata(pdev, NULL); - - for (i = 0; i < pdata->num_regulators; i++) - regulator_unregister(priv->regulators[i]); - - kfree(priv); return 0; } @@ -399,7 +461,6 @@ static struct platform_driver mc13783_regulator_driver = { .name = "mc13783-regulator", .owner = THIS_MODULE, }, - .remove = __devexit_p(mc13783_regulator_remove), .probe = mc13783_regulator_probe, }; |