The BQ25896 is almost identical the the BQ25890

Signed-off-by: Angus Ainslie (Purism) <[email protected]>
---
 .../bindings/power/supply/bq25890.txt         |  1 +
 drivers/power/supply/bq25890_charger.c        | 25 +++++++++++++++----
 2 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/Documentation/devicetree/bindings/power/supply/bq25890.txt 
b/Documentation/devicetree/bindings/power/supply/bq25890.txt
index c9dd17d142ad..e98312fe6e26 100644
--- a/Documentation/devicetree/bindings/power/supply/bq25890.txt
+++ b/Documentation/devicetree/bindings/power/supply/bq25890.txt
@@ -3,6 +3,7 @@ Binding for TI bq25890 Li-Ion Charger
 Required properties:
 - compatible: Should contain one of the following:
     * "ti,bq25890"
+    * "ti,bq25896"
 - reg: integer, i2c address of the device.
 - ti,battery-regulation-voltage: integer, maximum charging voltage (in uV);
 - ti,charge-current: integer, maximum charging current (in uA);
diff --git a/drivers/power/supply/bq25890_charger.c 
b/drivers/power/supply/bq25890_charger.c
index 641f7d779e2f..f4cf2987996b 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),
@@ -399,6 +402,16 @@ 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;
@@ -650,6 +663,7 @@ 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,
@@ -851,7 +865,7 @@ 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;
        }
@@ -977,6 +991,7 @@ MODULE_DEVICE_TABLE(i2c, bq25890_i2c_ids);
 
 static const struct of_device_id bq25890_of_match[] = {
        { .compatible = "ti,bq25890", },
+       { .compatible = "ti,bq25896", },
        { },
 };
 MODULE_DEVICE_TABLE(of, bq25890_of_match);
-- 
2.17.1

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