Hi,
On Wed, Feb 28, 2018 at 11:36:00AM +0100, Quentin Schulz wrote:
> The X-Powers AXP813 PMIC has got some slight differences from
> AXP20X/AXP22X PMICs:
> - the maximum voltage supplied by the PMIC is 4.35 instead of 4.36/4.24
> for AXP20X/AXP22X,
> - the constant charge current formula is different,
>
> It also has a bit to tell whether the battery percentage returned by the
> PMIC is valid.
>
> Signed-off-by: Quentin Schulz <quentin.schulz@xxxxxxxxxxx>
> Reviewed-by: Chen-Yu Tsai <wens@xxxxxxxx>
> ---
Thanks, queued.
-- Sebastian
> drivers/power/supply/axp20x_battery.c | 42 ++++++++++++++++++++++++++++-
> 1 file changed, 42 insertions(+)
>
> diff --git a/drivers/power/supply/axp20x_battery.c b/drivers/power/supply/axp20x_battery.c
> index 04a0d91..4f69c0e 100644
> --- a/drivers/power/supply/axp20x_battery.c
> +++ b/drivers/power/supply/axp20x_battery.c
> @@ -49,6 +49,8 @@
> #define AXP22X_CHRG_CTRL1_TGT_4_22V (1 << 5)
> #define AXP22X_CHRG_CTRL1_TGT_4_24V (3 << 5)
>
> +#define AXP813_CHRG_CTRL1_TGT_4_35V (3 << 5)
> +
> #define AXP20X_CHRG_CTRL1_TGT_CURR GENMASK(3, 0)
>
> #define AXP20X_V_OFF_MASK GENMASK(2, 0)
> @@ -133,6 +135,35 @@ static int axp22x_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt,
> return 0;
> }
>
> +static int axp813_battery_get_max_voltage(struct axp20x_batt_ps *axp20x_batt,
> + int *val)
> +{
> + int ret, reg;
> +
> + ret = regmap_read(axp20x_batt->regmap, AXP20X_CHRG_CTRL1, ®);
> + if (ret)
> + return ret;
> +
> + switch (reg & AXP20X_CHRG_CTRL1_TGT_VOLT) {
> + case AXP20X_CHRG_CTRL1_TGT_4_1V:
> + *val = 4100000;
> + break;
> + case AXP20X_CHRG_CTRL1_TGT_4_15V:
> + *val = 4150000;
> + break;
> + case AXP20X_CHRG_CTRL1_TGT_4_2V:
> + *val = 4200000;
> + break;
> + case AXP813_CHRG_CTRL1_TGT_4_35V:
> + *val = 4350000;
> + break;
> + default:
> + return -EINVAL;
> + }
> +
> + return 0;
> +}
> +
> static int axp20x_get_constant_charge_current(struct axp20x_batt_ps *axp,
> int *val)
> {
> @@ -491,6 +522,14 @@ static const struct axp_data axp221_data = {
> .set_max_voltage = axp22x_battery_set_max_voltage,
> };
>
> +static const struct axp_data axp813_data = {
> + .ccc_scale = 200000,
> + .ccc_offset = 200000,
> + .has_fg_valid = true,
> + .get_max_voltage = axp813_battery_get_max_voltage,
> + .set_max_voltage = axp20x_battery_set_max_voltage,
> +};
> +
> static const struct of_device_id axp20x_battery_ps_id[] = {
> {
> .compatible = "x-powers,axp209-battery-power-supply",
> @@ -498,6 +537,9 @@ static const struct of_device_id axp20x_battery_ps_id[] = {
> }, {
> .compatible = "x-powers,axp221-battery-power-supply",
> .data = (void *)&axp221_data,
> + }, {
> + .compatible = "x-powers,axp813-battery-power-supply",
> + .data = (void *)&axp813_data,
> }, { /* sentinel */ },
> };
> MODULE_DEVICE_TABLE(of, axp20x_battery_ps_id);
> --
> git-series 0.9.1
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