From 2e1a2ddee9cef07f5b1fab5625dcc56078139a4e Mon Sep 17 00:00:00 2001 From: "Angus Ainslie (Purism)" Date: Tue, 31 Jul 2018 11:49:08 -0600 Subject: [PATCH] power: supply: bq25890_charger: Add the BQ25896 part The BQ25896 is almost identical to the BQ25890. Reviewed-by: Krzysztof Kozlowski Signed-off-by: Angus Ainslie (Purism) Signed-off-by: Sebastian Reichel --- .../devicetree/bindings/power/supply/bq25890.txt | 3 +++ drivers/power/supply/bq25890_charger.c | 24 +++++++++++++++++----- 2 files changed, 22 insertions(+), 5 deletions(-) diff --git a/Documentation/devicetree/bindings/power/supply/bq25890.txt b/Documentation/devicetree/bindings/power/supply/bq25890.txt index c9dd17d..dc05689 100644 --- a/Documentation/devicetree/bindings/power/supply/bq25890.txt +++ b/Documentation/devicetree/bindings/power/supply/bq25890.txt @@ -1,5 +1,8 @@ Binding for TI bq25890 Li-Ion Charger +This driver will support the bq25896 and the bq25890. There are other ICs +in the same family but those have not been tested. + Required properties: - compatible: Should contain one of the following: * "ti,bq25890" diff --git a/drivers/power/supply/bq25890_charger.c b/drivers/power/supply/bq25890_charger.c index ca61278..23b39da 100644 --- a/drivers/power/supply/bq25890_charger.c +++ b/drivers/power/supply/bq25890_charger.c @@ -32,6 +32,7 @@ #define BQ25890_IRQ_PIN "bq25890_irq" #define BQ25890_ID 3 +#define BQ25896_ID 0 enum bq25890_fields { F_EN_HIZ, F_EN_ILIM, F_IILIM, /* Reg00 */ @@ -153,8 +154,8 @@ static const struct reg_field bq25890_reg_fields[] = { [F_CONV_RATE] = REG_FIELD(0x02, 6, 6), [F_BOOSTF] = REG_FIELD(0x02, 5, 5), [F_ICO_EN] = REG_FIELD(0x02, 4, 4), - [F_HVDCP_EN] = REG_FIELD(0x02, 3, 3), - [F_MAXC_EN] = REG_FIELD(0x02, 2, 2), + [F_HVDCP_EN] = REG_FIELD(0x02, 3, 3), // reserved on BQ25896 + [F_MAXC_EN] = REG_FIELD(0x02, 2, 2), // reserved on BQ25896 [F_FORCE_DPM] = REG_FIELD(0x02, 1, 1), [F_AUTO_DPDM_EN] = REG_FIELD(0x02, 0, 0), /* REG03 */ @@ -163,6 +164,7 @@ static const struct reg_field bq25890_reg_fields[] = { [F_OTG_CFG] = REG_FIELD(0x03, 5, 5), [F_CHG_CFG] = REG_FIELD(0x03, 4, 4), [F_SYSVMIN] = REG_FIELD(0x03, 1, 3), + /* MIN_VBAT_SEL on BQ25896 */ /* REG04 */ [F_PUMPX_EN] = REG_FIELD(0x04, 7, 7), [F_ICHG] = REG_FIELD(0x04, 0, 6), @@ -181,7 +183,7 @@ static const struct reg_field bq25890_reg_fields[] = { [F_CHG_TMR] = REG_FIELD(0x07, 1, 2), [F_JEITA_ISET] = REG_FIELD(0x07, 0, 0), /* REG08 */ - [F_BATCMP] = REG_FIELD(0x08, 6, 7), + [F_BATCMP] = REG_FIELD(0x08, 6, 7), // 5-7 on BQ25896 [F_VCLAMP] = REG_FIELD(0x08, 2, 4), [F_TREG] = REG_FIELD(0x08, 0, 1), /* REG09 */ @@ -195,12 +197,13 @@ static const struct reg_field bq25890_reg_fields[] = { [F_PUMPX_DN] = REG_FIELD(0x09, 0, 0), /* REG0A */ [F_BOOSTV] = REG_FIELD(0x0A, 4, 7), + /* PFM_OTG_DIS 3 on BQ25896 */ [F_BOOSTI] = REG_FIELD(0x0A, 0, 2), /* REG0B */ [F_VBUS_STAT] = REG_FIELD(0x0B, 5, 7), [F_CHG_STAT] = REG_FIELD(0x0B, 3, 4), [F_PG_STAT] = REG_FIELD(0x0B, 2, 2), - [F_SDP_STAT] = REG_FIELD(0x0B, 1, 1), + [F_SDP_STAT] = REG_FIELD(0x0B, 1, 1), // reserved on BQ25896 [F_VSYS_STAT] = REG_FIELD(0x0B, 0, 0), /* REG0C */ [F_WD_FAULT] = REG_FIELD(0x0C, 7, 7), @@ -396,6 +399,16 @@ static int bq25890_power_supply_get_property(struct power_supply *psy, val->strval = BQ25890_MANUFACTURER; break; + case POWER_SUPPLY_PROP_MODEL_NAME: + if (bq->chip_id == BQ25890_ID) + val->strval = "BQ25890"; + else if (bq->chip_id == BQ25896_ID) + val->strval = "BQ25896"; + else + val->strval = "UNKNOWN"; + + break; + case POWER_SUPPLY_PROP_ONLINE: val->intval = state.online; break; @@ -647,6 +660,7 @@ static int bq25890_hw_init(struct bq25890_device *bq) static enum power_supply_property bq25890_power_supply_props[] = { POWER_SUPPLY_PROP_MANUFACTURER, + POWER_SUPPLY_PROP_MODEL_NAME, POWER_SUPPLY_PROP_STATUS, POWER_SUPPLY_PROP_ONLINE, POWER_SUPPLY_PROP_HEALTH, @@ -848,7 +862,7 @@ static int bq25890_probe(struct i2c_client *client, return bq->chip_id; } - if (bq->chip_id != BQ25890_ID) { + if ((bq->chip_id != BQ25890_ID) && (bq->chip_id != BQ25896_ID)) { dev_err(dev, "Chip with ID=%d, not supported!\n", bq->chip_id); return -ENODEV; } -- 2.7.4