[PATCH v3 06/10] power: supply: smb347-charger: Support SMB345 and SMB358
From: Dmitry Osipenko <digetx@gmail.com>
Date: 2020-08-13 21:34:59
Also in:
linux-arm-msm, linux-pm, linux-tegra, lkml
Subsystem:
power supply class/subsystem and drivers, the rest · Maintainers:
Sebastian Reichel, Linus Torvalds
From: David Heidelberg <david@ixit.cz> SMB345 tested on Nexus 7 2013. Based on: - https://patchwork.kernel.org/patch/4922431/ - https://patchwork.ozlabs.org/patch/666877/ Signed-off-by: David Heidelberg <david@ixit.cz> --- drivers/power/supply/Kconfig | 6 +- drivers/power/supply/smb347-charger.c | 109 ++++++++++++++------------ 2 files changed, 62 insertions(+), 53 deletions(-)
diff --git a/drivers/power/supply/Kconfig b/drivers/power/supply/Kconfig
index e87b2434d835..7b1eda3257dd 100644
--- a/drivers/power/supply/Kconfig
+++ b/drivers/power/supply/Kconfig@@ -639,12 +639,12 @@ config CHARGER_BQ25890 Say Y to enable support for the TI BQ25890 battery charger. config CHARGER_SMB347 - tristate "Summit Microelectronics SMB347 Battery Charger" + tristate "Summit Microelectronics SMB3XX Battery Charger" depends on I2C select REGMAP_I2C help - Say Y to include support for Summit Microelectronics SMB347 - Battery Charger. + Say Y to include support for Summit Microelectronics SMB345, + SMB347 or SMB358 Battery Charger. config CHARGER_TPS65090 tristate "TPS65090 battery charger driver"
diff --git a/drivers/power/supply/smb347-charger.c b/drivers/power/supply/smb347-charger.c
index da2c337107bf..90a87e0624a6 100644
--- a/drivers/power/supply/smb347-charger.c
+++ b/drivers/power/supply/smb347-charger.c@@ -128,6 +128,7 @@ * @mains: power_supply instance for AC/DC power * @usb: power_supply instance for USB power * @battery: power_supply instance for battery + * @id: SMB charger ID * @mains_online: is AC/DC input connected * @usb_online: is USB input connected * @charging_enabled: is charging enabled
@@ -140,64 +141,61 @@ struct smb347_charger { struct power_supply *mains; struct power_supply *usb; struct power_supply *battery; + unsigned int id; bool mains_online; bool usb_online; bool charging_enabled; const struct smb347_charger_platform_data *pdata; }; -/* Fast charge current in uA */ -static const unsigned int fcc_tbl[] = { - 700000, - 900000, - 1200000, - 1500000, - 1800000, - 2000000, - 2200000, - 2500000, +enum smb_charger_chipid { + SMB345, + SMB347, + SMB358, + NUM_CHIP_TYPES, }; +/* Fast charge current in uA */ +static const unsigned int fcc_tbl[NUM_CHIP_TYPES][8] = { + [SMB345] = { 200000, 450000, 600000, 900000, + 1300000, 1500000, 1800000, 2000000 }, + [SMB347] = { 700000, 900000, 1200000, 1500000, + 1800000, 2000000, 2200000, 2500000 }, + [SMB358] = { 200000, 450000, 600000, 900000, + 1300000, 1500000, 1800000, 2000000 }, +}; /* Pre-charge current in uA */ -static const unsigned int pcc_tbl[] = { - 100000, - 150000, - 200000, - 250000, +static const unsigned int pcc_tbl[NUM_CHIP_TYPES][4] = { + [SMB345] = { 150000, 250000, 350000, 450000 }, + [SMB347] = { 100000, 150000, 200000, 250000 }, + [SMB358] = { 150000, 250000, 350000, 450000 }, }; /* Termination current in uA */ -static const unsigned int tc_tbl[] = { - 37500, - 50000, - 100000, - 150000, - 200000, - 250000, - 500000, - 600000, +static const unsigned int tc_tbl[NUM_CHIP_TYPES][8] = { + [SMB345] = { 30000, 40000, 60000, 80000, + 100000, 125000, 150000, 200000 }, + [SMB347] = { 37500, 50000, 100000, 150000, + 200000, 250000, 500000, 600000 }, + [SMB358] = { 30000, 40000, 60000, 80000, + 100000, 125000, 150000, 200000 }, }; /* Input current limit in uA */ -static const unsigned int icl_tbl[] = { - 300000, - 500000, - 700000, - 900000, - 1200000, - 1500000, - 1800000, - 2000000, - 2200000, - 2500000, +static const unsigned int icl_tbl[NUM_CHIP_TYPES][10] = { + [SMB345] = { 300000, 500000, 700000, 1000000, 1500000, + 1800000, 2000000, 2000000, 2000000, 2000000 }, + [SMB347] = { 300000, 500000, 700000, 900000, 1200000, + 1500000, 1800000, 2000000, 2200000, 2500000 }, + [SMB358] = { 300000, 500000, 700000, 1000000, 1500000, + 1800000, 2000000, 2000000, 2000000, 2000000 }, }; /* Charge current compensation in uA */ -static const unsigned int ccc_tbl[] = { - 250000, - 700000, - 900000, - 1200000, +static const unsigned int ccc_tbl[NUM_CHIP_TYPES][4] = { + [SMB345] = { 200000, 450000, 600000, 900000 }, + [SMB347] = { 250000, 700000, 900000, 1200000 }, + [SMB358] = { 200000, 450000, 600000, 900000 }, }; /* Convert register value to current using lookup table */
@@ -352,10 +350,11 @@ static int smb347_start_stop_charging(struct smb347_charger *smb) static int smb347_set_charge_current(struct smb347_charger *smb) { + unsigned int id = smb->id; int ret; if (smb->pdata->max_charge_current) { - ret = current_to_hw(fcc_tbl, ARRAY_SIZE(fcc_tbl), + ret = current_to_hw(fcc_tbl[id], ARRAY_SIZE(fcc_tbl[id]), smb->pdata->max_charge_current); if (ret < 0) return ret;
@@ -368,7 +367,7 @@ static int smb347_set_charge_current(struct smb347_charger *smb) } if (smb->pdata->pre_charge_current) { - ret = current_to_hw(pcc_tbl, ARRAY_SIZE(pcc_tbl), + ret = current_to_hw(pcc_tbl[id], ARRAY_SIZE(pcc_tbl[id]), smb->pdata->pre_charge_current); if (ret < 0) return ret;
@@ -381,7 +380,7 @@ static int smb347_set_charge_current(struct smb347_charger *smb) } if (smb->pdata->termination_current) { - ret = current_to_hw(tc_tbl, ARRAY_SIZE(tc_tbl), + ret = current_to_hw(tc_tbl[id], ARRAY_SIZE(tc_tbl[id]), smb->pdata->termination_current); if (ret < 0) return ret;
@@ -397,10 +396,11 @@ static int smb347_set_charge_current(struct smb347_charger *smb) static int smb347_set_current_limits(struct smb347_charger *smb) { + unsigned int id = smb->id; int ret; if (smb->pdata->mains_current_limit) { - ret = current_to_hw(icl_tbl, ARRAY_SIZE(icl_tbl), + ret = current_to_hw(icl_tbl[id], ARRAY_SIZE(icl_tbl[id]), smb->pdata->mains_current_limit); if (ret < 0) return ret;
@@ -413,7 +413,7 @@ static int smb347_set_current_limits(struct smb347_charger *smb) } if (smb->pdata->usb_hc_current_limit) { - ret = current_to_hw(icl_tbl, ARRAY_SIZE(icl_tbl), + ret = current_to_hw(icl_tbl[id], ARRAY_SIZE(icl_tbl[id]), smb->pdata->usb_hc_current_limit); if (ret < 0) return ret;
@@ -463,6 +463,7 @@ static int smb347_set_voltage_limits(struct smb347_charger *smb) static int smb347_set_temp_limits(struct smb347_charger *smb) { + unsigned int id = smb->id; bool enable_therm_monitor = false; int ret = 0; int val;
@@ -587,7 +588,7 @@ static int smb347_set_temp_limits(struct smb347_charger *smb) } if (smb->pdata->charge_current_compensation) { - val = current_to_hw(ccc_tbl, ARRAY_SIZE(ccc_tbl), + val = current_to_hw(ccc_tbl[id], ARRAY_SIZE(ccc_tbl[id]), smb->pdata->charge_current_compensation); if (val < 0) return val;
@@ -883,6 +884,7 @@ static int smb347_irq_init(struct smb347_charger *smb, */ static int get_const_charge_current(struct smb347_charger *smb) { + unsigned int id = smb->id; int ret, intval; unsigned int v;
@@ -898,10 +900,12 @@ static int get_const_charge_current(struct smb347_charger *smb) * and we can detect which table to use from bit 5. */ if (v & 0x20) { - intval = hw_to_current(fcc_tbl, ARRAY_SIZE(fcc_tbl), v & 7); + intval = hw_to_current(fcc_tbl[id], + ARRAY_SIZE(fcc_tbl[id]), v & 7); } else { v >>= 3; - intval = hw_to_current(pcc_tbl, ARRAY_SIZE(pcc_tbl), v & 7); + intval = hw_to_current(pcc_tbl[id], + ARRAY_SIZE(pcc_tbl[id]), v & 7); } return intval;
@@ -1349,6 +1353,7 @@ static int smb347_probe(struct i2c_client *client, mutex_init(&smb->lock); smb->dev = &client->dev; + smb->id = id->driver_data; smb->regmap = devm_regmap_init_i2c(client, &smb347_regmap); if (IS_ERR(smb->regmap))
@@ -1413,13 +1418,17 @@ static int smb347_remove(struct i2c_client *client) } static const struct i2c_device_id smb347_id[] = { - { "smb347", 0 }, - { } + { "smb345", SMB345 }, + { "smb347", SMB347 }, + { "smb358", SMB358 }, + { }, }; MODULE_DEVICE_TABLE(i2c, smb347_id); static const struct of_device_id smb3xx_of_match[] = { + { .compatible = "summit,smb345" }, { .compatible = "summit,smb347" }, + { .compatible = "summit,smb358" }, { }, }; MODULE_DEVICE_TABLE(of, smb3xx_of_match);
--
2.27.0