Hi,
On Mon, Jul 07, 2025 at 05:37:24PM +0100, Samuel Kayode wrote:
> Add support for the battery charger for pf1550 PMIC.
>
> Signed-off-by: Samuel Kayode <samuel.kayode@xxxxxxxxxxxxxxxxxxxx>
> ---
[...]
> diff --git a/drivers/power/supply/pf1550-charger.c b/drivers/power/supply/pf1550-charger.c
> new file mode 100644
> index 0000000000000000000000000000000000000000..7a6bd9c30d60280f1e1c50d4e1ddaf0a4998b9f0
> --- /dev/null
> +++ b/drivers/power/supply/pf1550-charger.c
> @@ -0,0 +1,632 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * charger driver for the PF1550
> + *
> + * Copyright (C) 2016 Freescale Semiconductor, Inc.
> + * Robin Gong <yibin.gong@xxxxxxxxxxxxx>
> + *
> + * Portions Copyright (c) 2025 Savoir-faire Linux Inc.
> + * Samuel Kayode <samuel.kayode@xxxxxxxxxxxxxxxxxxxx>
> + */
> +
> +#include <linux/devm-helpers.h>
> +#include <linux/interrupt.h>
> +#include <linux/mfd/pf1550.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/power_supply.h>
> +
> +#define PF1550_DEFAULT_CONSTANT_VOLT 4200000
> +#define PF1550_DEFAULT_MIN_SYSTEM_VOLT 3500000
> +#define PF1550_DEFAULT_THERMAL_TEMP 75
Default is 95
> +#define PF1550_CHARGER_IRQ_NR 5
> +
> +struct pf1550_charger {
> + struct device *dev;
> + const struct pf1550_ddata *pf1550;
> + struct power_supply *charger;
> + struct power_supply *battery;
> + struct delayed_work vbus_sense_work;
> + struct delayed_work chg_sense_work;
> + struct delayed_work bat_sense_work;
> + int virqs[PF1550_CHARGER_IRQ_NR];
> +
[...]
> +
> +static int pf1550_set_thermal_regulation_temp(struct pf1550_charger *chg,
> + unsigned int cells)
> +{
> + unsigned int data;
> +
> + switch (cells) {
> + case 60:
> + data = 0x0;
> + break;
> + case 75:
> + data = 0x1;
> + break;
> + case 90:
> + data = 0x2;
> + break;
> + case 105:
> + data = 0x3;
> + break;
