On Wednesday, October 18, 2023 5:50:14 PM CEST Andre Przywara wrote:
> The X-Powers AXP313a is a small PMIC with just three buck converters and
> three LDOs, one of which is actually fixed (so not modelled here).
>
> Add the compatible string and the respective regulator ranges to allow
> drivers to adjust voltages.
>
> Signed-off-by: Andre Przywara <andre.przyw...@arm.com>
> ---
> drivers/power/pmic/axp.c | 1 +
> drivers/power/regulator/axp_regulator.c | 17 +++++++++++++++++
> include/axp_pmic.h | 1 +
> 3 files changed, 19 insertions(+)
>
> diff --git a/drivers/power/pmic/axp.c b/drivers/power/pmic/axp.c
> index 025dac24f28..0e1e45fba74 100644
> --- a/drivers/power/pmic/axp.c
> +++ b/drivers/power/pmic/axp.c
> @@ -87,6 +87,7 @@ static const struct udevice_id axp_pmic_ids[] = {
> { .compatible = "x-powers,axp209", .data = AXP209_ID },
> { .compatible = "x-powers,axp221", .data = AXP221_ID },
> { .compatible = "x-powers,axp223", .data = AXP223_ID },
> + { .compatible = "x-powers,axp313a", .data = AXP313_ID },
> { .compatible = "x-powers,axp803", .data = AXP803_ID },
> { .compatible = "x-powers,axp806", .data = AXP806_ID },
> { .compatible = "x-powers,axp809", .data = AXP809_ID },
> diff --git a/drivers/power/regulator/axp_regulator.c
> b/drivers/power/regulator/axp_regulator.c index 02f320eac1e..d27e09538e0
> 100644
> --- a/drivers/power/regulator/axp_regulator.c
> +++ b/drivers/power/regulator/axp_regulator.c
> @@ -173,6 +173,22 @@ static const struct axp_regulator_plat
> axp22x_regulators[] = { { }
> };
>
> +/*
> + * The "dcdc1" regulator has another range, beyond 1.54V up to 3.4V, in
> + * steps of 100mV. We cannot model this easily, but also don't need that,
> + * since it's typically only used for ~1.1V anyway, so just ignore it.
It can be modelled with look up table, as it's already done for some other
regulators?
Best regards,
Jernej
> + * Also the DCDC3 regulator is described wrongly in the (available) manual,
> + * experiments show that the split point is at 1200mV, as for DCDC1/2. +
> */
> +static const struct axp_regulator_plat axp313_regulators[] = {
> + { "dcdc1", 0x10, BIT(0), 0x13, 0x7f, 500, 1540, 10, 70 },
> + { "dcdc2", 0x10, BIT(1), 0x14, 0x7f, 500, 1540, 10, 70 },
> + { "dcdc3", 0x10, BIT(2), 0x15, 0x7f, 500, 1840, 10, 70 },
> + { "aldo1", 0x10, BIT(3), 0x16, 0x1f, 500, 3500, 100, NA },
> + { "dldo1", 0x10, BIT(4), 0x17, 0x1f, 500, 3500, 100, NA },
> + { }
> +};
> +
> static const struct axp_regulator_plat axp803_regulators[] = {
> { "dcdc1", 0x10, BIT(0), 0x20, 0x1f, 1600, 3400, 100, NA },
> { "dcdc2", 0x10, BIT(1), 0x21, 0x7f, 500, 1300, 10, 70 },
> @@ -274,6 +290,7 @@ static const struct axp_regulator_plat *const
> axp_regulators[] = { [AXP209_ID] = axp20x_regulators,
> [AXP221_ID] = axp22x_regulators,
> [AXP223_ID] = axp22x_regulators,
> + [AXP313_ID] = axp313_regulators,
> [AXP803_ID] = axp803_regulators,
> [AXP806_ID] = axp806_regulators,
> [AXP809_ID] = axp809_regulators,
> diff --git a/include/axp_pmic.h b/include/axp_pmic.h
> index 4ac64865831..aabafc8501b 100644
> --- a/include/axp_pmic.h
> +++ b/include/axp_pmic.h
> @@ -32,6 +32,7 @@ enum {
> AXP209_ID,
> AXP221_ID,
> AXP223_ID,
> + AXP313_ID,
> AXP803_ID,
> AXP806_ID,
> AXP809_ID,
