linux-kernel - Re: [PATCH v6 4/4] power: supply: bq27xxx_battery: Add the BQ28z610 Battery monitor

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Message-ID: <20200729203812.v4etph4qcfius3ka@earth.universe>
Date:   Wed, 29 Jul 2020 22:38:12 +0200
From:   Sebastian Reichel <sre@...nel.org>
To:     Dan Murphy <dmurphy@...com>
Cc:     afd@...com, pali@...nel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        robh@...nel.org
Subject: Re: [PATCH v6 4/4] power: supply: bq27xxx_battery: Add the BQ28z610
 Battery monitor

Hi,

On Wed, Jul 29, 2020 at 01:31:45PM -0500, Dan Murphy wrote:
> Add the Texas Instruments BQ28z610 battery monitor.
> The register address map is laid out the same as compared to other
> devices within the file.
> 
> The battery status register bits are similar to the bq27z561 but they
> are different compared to other fuel gauge devices within this file.
> 
> Signed-off-by: Dan Murphy <dmurphy@...com>
> ---

Thanks, queued.

-- Sebastian

>  drivers/power/supply/bq27xxx_battery.c     | 42 ++++++++++++++++++++++
>  drivers/power/supply/bq27xxx_battery_i2c.c |  2 ++
>  include/linux/power/bq27xxx_battery.h      |  1 +
>  3 files changed, 45 insertions(+)
> 
> diff --git a/drivers/power/supply/bq27xxx_battery.c b/drivers/power/supply/bq27xxx_battery.c
> index a05b9a2d112d..a123f6e21f08 100644
> --- a/drivers/power/supply/bq27xxx_battery.c
> +++ b/drivers/power/supply/bq27xxx_battery.c
> @@ -44,6 +44,7 @@
>   * https://www.ti.com/product/bq27441-g1
>   * https://www.ti.com/product/bq27621-g1
>   * https://www.ti.com/product/bq27z561
> + * https://www.ti.com/product/bq28z610
>   */
>  
>  #include <linux/device.h>
> @@ -462,6 +463,26 @@ static u8
>  		[BQ27XXX_REG_DCAP] = 0x3c,
>  		[BQ27XXX_REG_AP] = 0x22,
>  		BQ27XXX_DM_REG_ROWS,
> +	},
> +	bq28z610_regs[BQ27XXX_REG_MAX] = {
> +		[BQ27XXX_REG_CTRL] = 0x00,
> +		[BQ27XXX_REG_TEMP] = 0x06,
> +		[BQ27XXX_REG_INT_TEMP] = INVALID_REG_ADDR,
> +		[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[] = {
> @@ -717,6 +738,25 @@ static enum power_supply_property bq27z561_props[] = {
>  	POWER_SUPPLY_PROP_MANUFACTURER,
>  };
>  
> +static enum power_supply_property bq28z610_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_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_POWER_AVG,
> +	POWER_SUPPLY_PROP_HEALTH,
> +	POWER_SUPPLY_PROP_MANUFACTURER,
> +};
> +
>  struct bq27xxx_dm_reg {
>  	u8 subclass_id;
>  	u8 offset;
> @@ -813,6 +853,7 @@ static struct bq27xxx_dm_reg bq27621_dm_regs[] = {
>  #endif
>  
>  #define bq27z561_dm_regs 0
> +#define bq28z610_dm_regs 0
>  
>  #define BQ27XXX_O_ZERO	0x00000001
>  #define BQ27XXX_O_OTDC	0x00000002 /* has OTC/OTD overtemperature flags */
> @@ -865,6 +906,7 @@ static struct {
>  	[BQ27441]   = BQ27XXX_DATA(bq27441,   0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
>  	[BQ27621]   = BQ27XXX_DATA(bq27621,   0x80008000, BQ27XXX_O_UTOT | BQ27XXX_O_CFGUP | BQ27XXX_O_RAM),
>  	[BQ27Z561]  = BQ27XXX_DATA(bq27z561,  0         , BQ27Z561_O_BITS),
> +	[BQ28Z610]  = BQ27XXX_DATA(bq28z610,  0         , 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 15f4e75786ab..ab02456d69e5 100644
> --- a/drivers/power/supply/bq27xxx_battery_i2c.c
> +++ b/drivers/power/supply/bq27xxx_battery_i2c.c
> @@ -254,6 +254,7 @@ static const struct i2c_device_id bq27xxx_i2c_id_table[] = {
>  	{ "bq27441", BQ27441 },
>  	{ "bq27621", BQ27621 },
>  	{ "bq27z561", BQ27Z561 },
> +	{ "bq28z610", BQ28Z610 },
>  	{},
>  };
>  MODULE_DEVICE_TABLE(i2c, bq27xxx_i2c_id_table);
> @@ -288,6 +289,7 @@ static const struct of_device_id bq27xxx_battery_i2c_of_match_table[] = {
>  	{ .compatible = "ti,bq27441" },
>  	{ .compatible = "ti,bq27621" },
>  	{ .compatible = "ti,bq27z561" },
> +	{ .compatible = "ti,bq28z610" },
>  	{},
>  };
>  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 1f6ea5d5063d..987d9652aa4e 100644
> --- a/include/linux/power/bq27xxx_battery.h
> +++ b/include/linux/power/bq27xxx_battery.h
> @@ -31,6 +31,7 @@ enum bq27xxx_chip {
>  	BQ27441,
>  	BQ27621,
>  	BQ27Z561,
> +	BQ28Z610,
>  };
>  
>  struct bq27xxx_device_info;
> -- 
> 2.28.0
> 

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