tps65910 has a backup battery charger with a configurable voltage. This patch adds a regulator for the backup battery.
Signed-off-by: Markus Pargmann <[email protected]> --- drivers/regulator/tps65910-regulator.c | 32 ++++++++++++++++++++++++++++++-- include/linux/mfd/tps65910.h | 3 ++- 2 files changed, 32 insertions(+), 3 deletions(-) diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c index a00132e..74f5e05 100644 --- a/drivers/regulator/tps65910-regulator.c +++ b/drivers/regulator/tps65910-regulator.c @@ -88,6 +88,11 @@ static const unsigned int VMMC_VSEL_table[] = { 1800000, 2800000, 3000000, 3300000, }; +/* supported BBCH voltages in microvolts */ +static const unsigned int VBB_VSEL_table[] = { + 3000000, 2520000, 3150000, 5000000, +}; + struct tps_info { const char *name; const char *vin_name; @@ -183,6 +188,12 @@ static struct tps_info tps65910_regs[] = { .voltage_table = VMMC_VSEL_table, .enable_time_us = 100, }, + { + .name = "vbb", + .vin_name = "vcc7", + .n_voltages = ARRAY_SIZE(VBB_VSEL_table), + .voltage_table = VBB_VSEL_table, + }, }; static struct tps_info tps65911_regs[] = { @@ -339,6 +350,8 @@ static int tps65910_get_ctrl_register(int id) return TPS65910_VAUX33; case TPS65910_REG_VMMC: return TPS65910_VMMC; + case TPS65910_REG_VBB: + return TPS65910_BBCH; default: return -EINVAL; } @@ -528,6 +541,10 @@ static int tps65910_get_voltage_sel(struct regulator_dev *dev) value &= LDO_SEL_MASK; value >>= LDO_SEL_SHIFT; break; + case TPS65910_REG_VBB: + value &= BBCH_BBSEL_MASK; + value >>= BBCH_BBSEL_SHIFT; + break; default: return -EINVAL; } @@ -638,6 +655,9 @@ static int tps65910_set_voltage_sel(struct regulator_dev *dev, case TPS65910_REG_VMMC: return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK, selector << LDO_SEL_SHIFT); + case TPS65910_REG_VBB: + return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK, + selector << BBCH_BBSEL_SHIFT); } return -EINVAL; @@ -669,6 +689,9 @@ static int tps65911_set_voltage_sel(struct regulator_dev *dev, case TPS65910_REG_VIO: return tps65910_reg_update_bits(pmic->mfd, reg, LDO_SEL_MASK, selector << LDO_SEL_SHIFT); + case TPS65910_REG_VBB: + return tps65910_reg_update_bits(pmic->mfd, reg, BBCH_BBSEL_MASK, + selector << BBCH_BBSEL_SHIFT); } return -EINVAL; @@ -771,7 +794,7 @@ static struct regulator_ops tps65910_ops = { .get_voltage_sel = tps65910_get_voltage_sel, .set_voltage_sel = tps65910_set_voltage_sel, .list_voltage = regulator_list_voltage_table, - .map_voltage = regulator_map_voltage_ascend, + .map_voltage = regulator_map_voltage_iterate, }; static struct regulator_ops tps65911_ops = { @@ -944,6 +967,7 @@ static struct of_regulator_match tps65910_matches[] = { { .name = "vaux2", .driver_data = (void *) &tps65910_regs[10] }, { .name = "vaux33", .driver_data = (void *) &tps65910_regs[11] }, { .name = "vmmc", .driver_data = (void *) &tps65910_regs[12] }, + { .name = "vbb", .driver_data = (void *) &tps65910_regs[13] }, }; static struct of_regulator_match tps65911_matches[] = { @@ -1167,7 +1191,11 @@ static int tps65910_probe(struct platform_device *pdev) pmic->desc[i].type = REGULATOR_VOLTAGE; pmic->desc[i].owner = THIS_MODULE; pmic->desc[i].enable_reg = pmic->get_ctrl_reg(i); - pmic->desc[i].enable_mask = TPS65910_SUPPLY_STATE_ENABLED; + if (tps65910_chip_id(tps65910) == TPS65910 && + i == TPS65910_REG_VBB) + pmic->desc[i].enable_mask = BBCH_BBCHEN_MASK; + else + pmic->desc[i].enable_mask = TPS65910_SUPPLY_STATE_ENABLED; config.dev = tps65910->dev; config.init_data = reg_data; diff --git a/include/linux/mfd/tps65910.h b/include/linux/mfd/tps65910.h index 20e433e..1adeee1 100644 --- a/include/linux/mfd/tps65910.h +++ b/include/linux/mfd/tps65910.h @@ -833,6 +833,7 @@ #define TPS65910_REG_VAUX2 10 #define TPS65910_REG_VAUX33 11 #define TPS65910_REG_VMMC 12 +#define TPS65910_REG_VBB 13 #define TPS65911_REG_VDDCTRL 4 #define TPS65911_REG_LDO1 5 @@ -845,7 +846,7 @@ #define TPS65911_REG_LDO8 12 /* Max number of TPS65910/11 regulators */ -#define TPS65910_NUM_REGS 13 +#define TPS65910_NUM_REGS 14 /* External sleep controls through EN1/EN2/EN3/SLEEP inputs */ #define TPS65910_SLEEP_CONTROL_EXT_INPUT_EN1 0x1 -- 1.8.5.1 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
