[PATCH V3 0/2] cover-letter bq27xxx: BQ78Z100

[PATCH V3 0/2] cover-letter bq27xxx: BQ78Z100

[LI Qingwu]

Changes in V3:
Delete comma before "and" in commit comments.
Reorder commits to sending the bindings as the first patch.


LI Qingwu (2):
  dt-bindings: power: bq27xxx: add bq78z10
  power: supply: bq27xxx: Add support for BQ78Z100

 .../bindings/power/supply/bq27xxx.yaml        |  1 +
 drivers/power/supply/bq27xxx_battery.c        | 46 ++++++++++++++++++-
 drivers/power/supply/bq27xxx_battery_i2c.c    |  2 +
 include/linux/power/bq27xxx_battery.h         |  1 +
 4 files changed, 49 insertions(+), 1 deletion(-)

-- 
2.17.1

[PATCH V3 1/2] dt-bindings: power: bq27xxx: add bq78z10

[LI Qingwu]

Add bindings for TI BQ78Z100. An I2C interface gas gauge.
It provides a fully integrated safety protection
and authentication for 1 to 2-series cell Li-Ion and
Li-Polymer battery packs.

Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
---
 Documentation/devicetree/bindings/power/supply/bq27xxx.yaml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/power/supply/bq27xxx.yaml b/Documentation/devicetree/bindings/power/supply/bq27xxx.yaml
index 45beefccf31a..712e974b28b6 100644
--- a/Documentation/devicetree/bindings/power/supply/bq27xxx.yaml
+++ b/Documentation/devicetree/bindings/power/supply/bq27xxx.yaml
@@ -52,6 +52,7 @@ properties:
       - ti,bq27z561
       - ti,bq28z610
       - ti,bq34z100
+      - ti,bq78z100
 
   reg:
     maxItems: 1
-- 
2.17.1

[PATCH V3 2/2] power: supply: bq27xxx: Add support for BQ78Z100

[LI Qingwu]

Add support for TI BQ78Z100, I2C interface gas gauge.
It provides a fully integrated safety protection
and authentication for 1 to 2-series cell Li-Ion and
Li-Polymer battery packs.

The patch was tested with BQ78Z100 equipment.

Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
---
 drivers/power/supply/bq27xxx_battery.c     | 46 +++++++++++++++++++++-
 drivers/power/supply/bq27xxx_battery_i2c.c |  2 +
 include/linux/power/bq27xxx_battery.h      |  1 +
 3 files changed, 48 insertions(+), 1 deletion(-)

diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
index 315e0909e6a4..c8579ec7a4f8 100644
--- a/drivers/power/supply/bq27xxx_battery.c
+++ b/drivers/power/supply/bq27xxx_battery.c
@@ -39,6 +39,7 @@
  * https://www.ti.com/product/bq27z561
  * https://www.ti.com/product/bq28z610
  * https://www.ti.com/product/bq34z100-g1
+ * https://www.ti.com/product/bq78z100
  */
 
 #include <linux/device.h>
@@ -497,7 +498,27 @@ static u8
 		[BQ27XXX_REG_DCAP] = 0x3c,
 		[BQ27XXX_REG_AP] = 0x22,
 		BQ27XXX_DM_REG_ROWS,
-	};
+	},
+	bq78z100_regs[BQ27XXX_REG_MAX] = {
+		[BQ27XXX_REG_CTRL] = 0x00,
+		[BQ27XXX_REG_TEMP] = 0x06,
+		[BQ27XXX_REG_INT_TEMP] = 0x28,
+		[BQ27XXX_REG_VOLT] = 0x08,
+		[BQ27XXX_REG_AI] = 0x14,
+		[BQ27XXX_REG_FLAGS] = 0x0a,
+		[BQ27XXX_REG_TTE] = 0x16,
+		[BQ27XXX_REG_TTF] = 0x18,
+		[BQ27XXX_REG_TTES] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_TTECP] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_NAC] = INVALID_REG_ADDR,
+		[BQ27XXX_REG_FCC] = 0x12,
+		[BQ27XXX_REG_CYCT] = 0x2a,
+		[BQ27XXX_REG_AE] = 0x22,
+		[BQ27XXX_REG_SOC] = 0x2c,
+		[BQ27XXX_REG_DCAP] = 0x3c,
+		[BQ27XXX_REG_AP] = 0x22,
+		BQ27XXX_DM_REG_ROWS,
+};
 
 static enum power_supply_property bq27000_props[] = {
 	POWER_SUPPLY_PROP_STATUS,
@@ -792,6 +813,27 @@ static enum power_supply_property bq34z100_props[] = {
 	POWER_SUPPLY_PROP_MANUFACTURER,
 };
 
+static enum power_supply_property bq78z100_props[] = {
+	POWER_SUPPLY_PROP_STATUS,
+	POWER_SUPPLY_PROP_PRESENT,
+	POWER_SUPPLY_PROP_VOLTAGE_NOW,
+	POWER_SUPPLY_PROP_CURRENT_NOW,
+	POWER_SUPPLY_PROP_CAPACITY,
+	POWER_SUPPLY_PROP_CAPACITY_LEVEL,
+	POWER_SUPPLY_PROP_TEMP,
+	POWER_SUPPLY_PROP_TIME_TO_EMPTY_NOW,
+	POWER_SUPPLY_PROP_TIME_TO_EMPTY_AVG,
+	POWER_SUPPLY_PROP_TIME_TO_FULL_NOW,
+	POWER_SUPPLY_PROP_TECHNOLOGY,
+	POWER_SUPPLY_PROP_CHARGE_FULL,
+	POWER_SUPPLY_PROP_CHARGE_FULL_DESIGN,
+	POWER_SUPPLY_PROP_CYCLE_COUNT,
+	POWER_SUPPLY_PROP_ENERGY_NOW,
+	POWER_SUPPLY_PROP_POWER_AVG,
+	POWER_SUPPLY_PROP_HEALTH,
+	POWER_SUPPLY_PROP_MANUFACTURER,
+};
+
 struct bq27xxx_dm_reg {
 	u8 subclass_id;
 	u8 offset;
@@ -890,6 +932,7 @@ static struct bq27xxx_dm_reg bq27621_dm_regs[] = {
 #define bq27z561_dm_regs 0
 #define bq28z610_dm_regs 0
 #define bq34z100_dm_regs 0
+#define bq78z100_dm_regs 0
 
 #define BQ27XXX_O_ZERO		BIT(0)
 #define BQ27XXX_O_OTDC		BIT(1) /* has OTC/OTD overtemperature flags */
@@ -948,6 +991,7 @@ static struct {
 	[BQ28Z610]  = BQ27XXX_DATA(bq28z610,  0         , BQ27Z561_O_BITS),
 	[BQ34Z100]  = BQ27XXX_DATA(bq34z100,  0         , BQ27XXX_O_OTDC | BQ27XXX_O_SOC_SI | \
 							  BQ27XXX_O_HAS_CI | BQ27XXX_O_MUL_CHEM),
+	[BQ78Z100]  = BQ27XXX_DATA(bq78z100,  0x00000000, BQ27Z561_O_BITS),
 };
 
 static DEFINE_MUTEX(bq27xxx_list_lock);
diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c
index eb4f4284982f..46f078350fd3 100644
--- a/drivers/power/supply/bq27xxx_battery_i2c.c
+++ b/drivers/power/supply/bq27xxx_battery_i2c.c
@@ -248,6 +248,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = {
 	{ "bq27z561", BQ27Z561 },
 	{ "bq28z610", BQ28Z610 },
 	{ "bq34z100", BQ34Z100 },
+	{ "bq78z100", BQ78Z100 },
 	{},
 };
 MODULE_DEVICE_TABLE(i2c, bq27xxx_i2c_id_table);
@@ -284,6 +285,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = {
 	{ .compatible = "ti,bq27z561" },
 	{ .compatible = "ti,bq28z610" },
 	{ .compatible = "ti,bq34z100" },
+	{ .compatible = "ti,bq78z100" },
 	{},
 };
 MODULE_DEVICE_TABLE(of, bq27xxx_battery_i2c_of_match_table);
diff --git a/include/linux/power/bq27xxx_battery.h b/include/linux/power/bq27xxx_battery.h
index 111a40d0d3d5..ac17618043b1 100644
--- a/include/linux/power/bq27xxx_battery.h
+++ b/include/linux/power/bq27xxx_battery.h
@@ -33,6 +33,7 @@ enum bq27xxx_chip {
 	BQ27Z561,
 	BQ28Z610,
 	BQ34Z100,
+	BQ78Z100,
 };
 
 struct bq27xxx_device_info;
-- 
2.17.1

Re: [PATCH V3 1/2] dt-bindings: power: bq27xxx: add bq78z10

[Rob Herring]

On Wed, 03 Feb 2021 10:40:59 +0000, LI Qingwu wrote:
> Add bindings for TI BQ78Z100. An I2C interface gas gauge.
> It provides a fully integrated safety protection
> and authentication for 1 to 2-series cell Li-Ion and
> Li-Polymer battery packs.
> 
> Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
> ---
>  Documentation/devicetree/bindings/power/supply/bq27xxx.yaml | 1 +
>  1 file changed, 1 insertion(+)
> 

Acked-by: Rob Herring <robh@kernel.org>

Re: [PATCH V3 1/2] dt-bindings: power: bq27xxx: add bq78z10

[Dan Murphy]

Li

On 2/4/21 5:37 PM, Rob Herring wrote:
> On Wed, 03 Feb 2021 10:40:59 +0000, LI Qingwu wrote:
>> Add bindings for TI BQ78Z100. An I2C interface gas gauge.
>> It provides a fully integrated safety protection
>> and authentication for 1 to 2-series cell Li-Ion and
>> Li-Polymer battery packs.

$subject has the wrong part number

Dan


>> Signed-off-by: LI Qingwu <Qing-wu.Li@leica-geosystems.com.cn>
>> ---
>>   Documentation/devicetree/bindings/power/supply/bq27xxx.yaml | 1 +
>>   1 file changed, 1 insertion(+)
>>
> Acked-by: Rob Herring <robh@kernel.org>