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Date: Thu, 30 Jun 2022 10:00:15 +0200
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
Cc: Linus Walleij <linus.walleij@...aro.org>,
Bartosz Golaszewski <brgl@...ev.pl>,
Rob Herring <robh+dt@...nel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Chen-Yu Tsai <wens@...e.org>,
Jonathan Cameron <jic23@...nel.org>,
Sebastian Reichel <sre@...nel.org>,
Lee Jones <lee.jones@...aro.org>,
Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Lars-Peter Clausen <lars@...afoo.de>, quic_gurus@...cinc.com,
Sebastian Reichel <sebastian.reichel@...labora.com>,
Michael Walle <michael@...le.cc>,
Randy Dunlap <rdunlap@...radead.org>,
"open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
devicetree <devicetree@...r.kernel.org>,
Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
linux-iio <linux-iio@...r.kernel.org>,
Linux PM <linux-pm@...r.kernel.org>
Subject: Re: [PATCH v4 15/15] power: axp20x_battery: Add support for AXP192
On Wed, Jun 29, 2022 at 4:30 PM Aidan MacDonald
<aidanmacdonald.0x0@...il.com> wrote:
>
> The AXP192 has a battery charger similar to other X-Powers PMICs,
> but unlike the other supported devices, it does not have a fuel
> gauge and can't report battery capacity directly.
Reviewed-by: Andy Shevchenko <andy.shevchenko@...il.com>
> Acked-by: Sebastian Reichel <sebastian.reichel@...labora.com>
> Signed-off-by: Aidan MacDonald <aidanmacdonald.0x0@...il.com>
> ---
> drivers/power/supply/axp20x_battery.c | 49 +++++++++++++++++++++++++--
> 1 file changed, 46 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c
> index 574c1d001556..1e84d26ce8e3 100644
> --- a/drivers/power/supply/axp20x_battery.c
> +++ b/drivers/power/supply/axp20x_battery.c
> @@ -544,6 +544,19 @@ static int axp20x_battery_set_prop(struct power_supply *psy,
> }
> }
>
> +static enum power_supply_property axp192_battery_props[] = {
> + POWER_SUPPLY_PROP_PRESENT,
> + POWER_SUPPLY_PROP_ONLINE,
> + POWER_SUPPLY_PROP_STATUS,
> + POWER_SUPPLY_PROP_VOLTAGE_NOW,
> + POWER_SUPPLY_PROP_CURRENT_NOW,
> + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT,
> + POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX,
> + POWER_SUPPLY_PROP_HEALTH,
> + POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
> + POWER_SUPPLY_PROP_VOLTAGE_MIN_DESIGN,
> +};
> +
> static enum power_supply_property axp20x_battery_props[] = {
> POWER_SUPPLY_PROP_PRESENT,
> POWER_SUPPLY_PROP_ONLINE,
> @@ -568,6 +581,16 @@ static int axp20x_battery_prop_writeable(struct power_supply *psy,
> psp == POWER_SUPPLY_PROP_CONSTANT_CHARGE_CURRENT_MAX;
> }
>
> +static const struct power_supply_desc axp192_batt_ps_desc = {
> + .name = "axp192-battery",
> + .type = POWER_SUPPLY_TYPE_BATTERY,
> + .properties = axp192_battery_props,
> + .num_properties = ARRAY_SIZE(axp192_battery_props),
> + .property_is_writeable = axp20x_battery_prop_writeable,
> + .get_property = axp20x_battery_get_prop,
> + .set_property = axp20x_battery_set_prop,
> +};
> +
> static const struct power_supply_desc axp20x_batt_ps_desc = {
> .name = "axp20x-battery",
> .type = POWER_SUPPLY_TYPE_BATTERY,
> @@ -578,6 +601,19 @@ static const struct power_supply_desc axp20x_batt_ps_desc = {
> .set_property = axp20x_battery_set_prop,
> };
>
> +static const int axp192_ccc_table[AXP20X_CHRG_CTRL1_TGT_CURR+1] = {
> + 100000, 190000, 280000, 360000,
> + 450000, 550000, 630000, 700000,
> + 780000, 880000, 960000, 1000000,
> + 1080000, 1160000, 1240000, 1320000,
> +};
> +
> +static const struct axp_data axp192_data = {
> + .ccc_table = axp192_ccc_table,
> + .get_max_voltage = axp20x_battery_get_max_voltage,
> + .set_max_voltage = axp20x_battery_set_max_voltage,
> +};
> +
> static const struct axp_data axp209_data = {
> .ccc_scale = 100000,
> .ccc_offset = 300000,
> @@ -606,6 +642,9 @@ static const struct axp_data axp813_data = {
>
> static const struct of_device_id axp20x_battery_ps_id[] = {
> {
> + .compatible = "x-powers,axp192-battery-power-supply",
> + .data = (void *)&axp192_data,
> + }, {
> .compatible = "x-powers,axp209-battery-power-supply",
> .data = (void *)&axp209_data,
> }, {
> @@ -623,6 +662,7 @@ static int axp20x_power_probe(struct platform_device *pdev)
> struct axp20x_batt_ps *axp20x_batt;
> struct power_supply_config psy_cfg = {};
> struct power_supply_battery_info *info;
> + const struct power_supply_desc *ps_desc;
> struct device *dev = &pdev->dev;
>
> if (!of_device_is_available(pdev->dev.of_node))
> @@ -666,9 +706,12 @@ static int axp20x_power_probe(struct platform_device *pdev)
>
> axp20x_batt->data = (struct axp_data *)of_device_get_match_data(dev);
>
> - axp20x_batt->batt = devm_power_supply_register(&pdev->dev,
> - &axp20x_batt_ps_desc,
> - &psy_cfg);
> + if (!axp20x_batt->data->has_fg)
> + ps_desc = &axp192_batt_ps_desc;
> + else
> + ps_desc = &axp20x_batt_ps_desc;
> +
> + axp20x_batt->batt = devm_power_supply_register(&pdev->dev, ps_desc, &psy_cfg);
> if (IS_ERR(axp20x_batt->batt)) {
> dev_err(&pdev->dev, "failed to register power supply: %ld\n",
> PTR_ERR(axp20x_batt->batt));
> --
> 2.35.1
>
--
With Best Regards,
Andy Shevchenko
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