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Message-ID: <20230418225748.651c66d3@slackpad.lan>
Date: Tue, 18 Apr 2023 22:57:48 +0100
From: Andre Przywara <andre.przywara@....com>
To: Shengyu Qu <wiagn233@...look.com>
Cc: lee@...nel.org, robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org, wens@...e.org,
lgirdwood@...il.com, broonie@...nel.org,
devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
Martin Botka <martin.botka@...ainline.org>
Subject: Re: [PATCH v1 3/4] regulator: axp20x: Add AXP15060 support
On Tue, 18 Apr 2023 00:01:27 +0800
Shengyu Qu <wiagn233@...look.com> wrote:
Hi Shengyu,
I don't insist on the changes below (that's more up to the maintainers
to decide), but just wanted to add some more rationale to my former
suggestions.
> Hi,
> > On Fri, 7 Apr 2023 22:18:12 +0800
> > Shengyu Qu <wiagn233@...look.com> wrote:
> >
> > Hi,
> >
> >> The AXP15060 is a typical I2C-controlled PMIC, seen on multiple boards
> >> with different default register value. Current driver is tested on
> >> Starfive Visionfive 2.
> >>
> >> The RTCLDO is fixed, and cannot even be turned on or off. On top of
> >> that, its voltage is customisable (either 1.8V or 3.3V). We pretend it's
> >> a fixed 1.8V regulator since other AXP driver also do like this. Also,
> >> BSP code ignores this regulator and it's not used according to VF2
> >> schematic.
> >>
> >> Describe the AXP15060's voltage settings and switch registers, how the
> >> voltages are encoded, and connect this to the MFD device via its
> >> regulator ID.
> >>
> >> Signed-off-by: Shengyu Qu <wiagn233@...look.com>
> >> ---
> >> drivers/regulator/axp20x-regulator.c | 229 ++++++++++++++++++++++++++-
> >> 1 file changed, 221 insertions(+), 8 deletions(-)
> >>
> >> diff --git a/drivers/regulator/axp20x-regulator.c b/drivers/regulator/axp20x-regulator.c
> >> index d260c442b788..ece4af93df7b 100644
> >> --- a/drivers/regulator/axp20x-regulator.c
> >> +++ b/drivers/regulator/axp20x-regulator.c
> >> @@ -270,6 +270,74 @@
> >>
> >> #define AXP813_PWR_OUT_DCDC7_MASK BIT_MASK(6)
> >>
> >> +#define AXP15060_DCDC1_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_DCDC2_V_CTRL_MASK GENMASK(6, 0)
> >> +#define AXP15060_DCDC3_V_CTRL_MASK GENMASK(6, 0)
> >> +#define AXP15060_DCDC4_V_CTRL_MASK GENMASK(6, 0)
> >> +#define AXP15060_DCDC5_V_CTRL_MASK GENMASK(6, 0)
> >> +#define AXP15060_DCDC6_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_ALDO1_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_ALDO2_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_ALDO3_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_ALDO4_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_ALDO5_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_BLDO1_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_BLDO2_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_BLDO3_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_BLDO4_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_BLDO5_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_CLDO1_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_CLDO2_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_CLDO3_V_CTRL_MASK GENMASK(4, 0)
> >> +#define AXP15060_CLDO4_V_CTRL_MASK GENMASK(5, 0)
> >> +#define AXP15060_CPUSLDO_V_CTRL_MASK GENMASK(3, 0)
> >> +
> >> +#define AXP15060_PWR_OUT_DCDC1_MASK BIT_MASK(0)
> > I'd say "BIT(0)" is the canonical way of denoting single bit masks,
> > outside of Linux' bitmask framework.
>
> I'm using BIT(0) to keep consistent with other existing definitions.
I don't know if it's a good idea to copy from code which is suboptimal.
To just denote a bit in a register, I see BIT() everywhere, BIT_MASK
does the modulo sizeof(long), which doesn't make much sense here. It
just looks like it's meant to be used with Linux' bitmasks, which can
span several longs, so you use a combination of BIT_WORD/BIT_MASK.
> >> +#define AXP15060_PWR_OUT_DCDC2_MASK BIT_MASK(1)
> >> +#define AXP15060_PWR_OUT_DCDC3_MASK BIT_MASK(2)
> >> +#define AXP15060_PWR_OUT_DCDC4_MASK BIT_MASK(3)
> >> +#define AXP15060_PWR_OUT_DCDC5_MASK BIT_MASK(4)
> >> +#define AXP15060_PWR_OUT_DCDC6_MASK BIT_MASK(5)
> >> +#define AXP15060_PWR_OUT_ALDO1_MASK BIT_MASK(0)
> >> +#define AXP15060_PWR_OUT_ALDO2_MASK BIT_MASK(1)
> >> +#define AXP15060_PWR_OUT_ALDO3_MASK BIT_MASK(2)
> >> +#define AXP15060_PWR_OUT_ALDO4_MASK BIT_MASK(3)
> >> +#define AXP15060_PWR_OUT_ALDO5_MASK BIT_MASK(4)
> >> +#define AXP15060_PWR_OUT_BLDO1_MASK BIT_MASK(5)
> >> +#define AXP15060_PWR_OUT_BLDO2_MASK BIT_MASK(6)
> >> +#define AXP15060_PWR_OUT_BLDO3_MASK BIT_MASK(7)
> >> +#define AXP15060_PWR_OUT_BLDO4_MASK BIT_MASK(0)
> >> +#define AXP15060_PWR_OUT_BLDO5_MASK BIT_MASK(1)
> >> +#define AXP15060_PWR_OUT_CLDO1_MASK BIT_MASK(2)
> >> +#define AXP15060_PWR_OUT_CLDO2_MASK BIT_MASK(3)
> >> +#define AXP15060_PWR_OUT_CLDO3_MASK BIT_MASK(4)
> >> +#define AXP15060_PWR_OUT_CLDO4_MASK BIT_MASK(5)
> >> +#define AXP15060_PWR_OUT_CPUSLDO_MASK BIT_MASK(6)
> >> +#define AXP15060_PWR_OUT_SW_MASK BIT_MASK(7)
> >> +
> >> +#define AXP15060_DCDC23_POLYPHASE_DUAL_MASK BIT_MASK(6)
> >> +#define AXP15060_DCDC46_POLYPHASE_DUAL_MASK BIT_MASK(7)
> >> +
> >> +#define AXP15060_DCDC234_500mV_START 0x00
> > Can you make those values consistently decimal? It's a bit confusing to
> > see the 70 steps in decimal, but the start (71) in hex.
> Also consistence problem here.
I would actually prefer consistency within one definition. I don't
think we should copy all old code just because it is there already. I
honestly don't find those definitions easy to read, compare, understand
or review.
For the AXP313a we went with something more compressed, by just putting
the actual values into the definition, skipping the longish macros:
REGULATOR_LINEAR_RANGE(500000, 0, 70, 10000),
REGULATOR_LINEAR_RANGE(1220000, 71, 87, 20000),
> >> +#define AXP15060_DCDC234_500mV_STEPS 70
> >> +#define AXP15060_DCDC234_500mV_END \
> >> + (AXP15060_DCDC234_500mV_START + AXP15060_DCDC234_500mV_STEPS)
> >> +#define AXP15060_DCDC234_1220mV_START 0x47
> >> +#define AXP15060_DCDC234_1220mV_STEPS 16
> >> +#define AXP15060_DCDC234_1220mV_END \
> >> + (AXP15060_DCDC234_1220mV_START + AXP15060_DCDC234_1220mV_STEPS)
> >> +#define AXP15060_DCDC234_NUM_VOLTAGES 88
> >> +
> >> +#define AXP15060_DCDC5_800mV_START 0x00
> >> +#define AXP15060_DCDC5_800mV_STEPS 32
> >> +#define AXP15060_DCDC5_800mV_END \
> >> + (AXP15060_DCDC5_800mV_START + AXP15060_DCDC5_800mV_STEPS)
> >> +#define AXP15060_DCDC5_1140mV_START 0x21
> >> +#define AXP15060_DCDC5_1140mV_STEPS 35
> >> +#define AXP15060_DCDC5_1140mV_END \
> >> + (AXP15060_DCDC5_1140mV_START + AXP15060_DCDC5_1140mV_STEPS)
> >> +#define AXP15060_DCDC5_NUM_VOLTAGES 69
> >> +
> >> #define AXP_DESC_IO(_family, _id, _match, _supply, _min, _max, _step, _vreg, \
> >> _vmask, _ereg, _emask, _enable_val, _disable_val) \
> >> [_family##_##_id] = { \
> >> @@ -1001,6 +1069,104 @@ static const struct regulator_desc axp813_regulators[] = {
> >> AXP22X_PWR_OUT_CTRL2, AXP22X_PWR_OUT_DC1SW_MASK),
> >> };
> >>
> >> +static const struct linear_range axp15060_dcdc234_ranges[] = {
> >> + REGULATOR_LINEAR_RANGE(500000,
> >> + AXP15060_DCDC234_500mV_START,
> >> + AXP15060_DCDC234_500mV_END,
> >> + 10000),
> >> + REGULATOR_LINEAR_RANGE(1220000,
> >> + AXP15060_DCDC234_1220mV_START,
> >> + AXP15060_DCDC234_1220mV_END,
> >> + 20000),
> >> +};
> >> +
> >> +static const struct linear_range axp15060_dcdc5_ranges[] = {
> >> + REGULATOR_LINEAR_RANGE(800000,
> >> + AXP15060_DCDC5_800mV_START,
> >> + AXP15060_DCDC5_800mV_END,
> >> + 10000),
> >> + REGULATOR_LINEAR_RANGE(1140000,
> >> + AXP15060_DCDC5_1140mV_START,
> >> + AXP15060_DCDC5_1140mV_END,
> >> + 20000),
> >> +};
> >> +
> >> +static const struct regulator_desc axp15060_regulators[] = {
> >> + AXP_DESC(AXP15060, DCDC1, "dcdc1", "vin1", 1500, 3400, 100,
> >> + AXP15060_DCDC1_V_CTRL, AXP15060_DCDC1_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL1, AXP15060_PWR_OUT_DCDC1_MASK),
> >> + AXP_DESC_RANGES(AXP15060, DCDC2, "dcdc2", "vin2",
> >> + axp15060_dcdc234_ranges, AXP15060_DCDC234_NUM_VOLTAGES,
> >> + AXP15060_DCDC2_V_CTRL, AXP15060_DCDC2_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL1, AXP15060_PWR_OUT_DCDC2_MASK),
> >> + AXP_DESC_RANGES(AXP15060, DCDC3, "dcdc3", "vin3",
> >> + axp15060_dcdc234_ranges, AXP15060_DCDC234_NUM_VOLTAGES,
> >> + AXP15060_DCDC3_V_CTRL, AXP15060_DCDC3_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL1, AXP15060_PWR_OUT_DCDC3_MASK),
> >> + AXP_DESC_RANGES(AXP15060, DCDC4, "dcdc4", "vin4",
> >> + axp15060_dcdc234_ranges, AXP15060_DCDC234_NUM_VOLTAGES,
> >> + AXP15060_DCDC4_V_CTRL, AXP15060_DCDC4_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL1, AXP15060_PWR_OUT_DCDC4_MASK),
> >> + AXP_DESC_RANGES(AXP15060, DCDC5, "dcdc5", "vin5",
> >> + axp15060_dcdc5_ranges, AXP15060_DCDC5_NUM_VOLTAGES,
> >> + AXP15060_DCDC5_V_CTRL, AXP15060_DCDC5_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL1, AXP15060_PWR_OUT_DCDC5_MASK),
> >> + AXP_DESC(AXP15060, DCDC6, "dcdc6", "vin6", 500, 3400, 100,
> >> + AXP15060_DCDC6_V_CTRL, AXP15060_DCDC6_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL1, AXP15060_PWR_OUT_DCDC6_MASK),
> >> + AXP_DESC(AXP15060, ALDO1, "aldo1", "aldoin", 700, 3300, 100,
> >> + AXP15060_ALDO1_V_CTRL, AXP15060_ALDO1_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL2, AXP15060_PWR_OUT_ALDO1_MASK),
> >> + AXP_DESC(AXP15060, ALDO2, "aldo2", "aldoin", 700, 3300, 100,
> >> + AXP15060_ALDO2_V_CTRL, AXP15060_ALDO2_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL2, AXP15060_PWR_OUT_ALDO2_MASK),
> >> + AXP_DESC(AXP15060, ALDO3, "aldo3", "aldoin", 700, 3300, 100,
> >> + AXP15060_ALDO3_V_CTRL, AXP15060_ALDO3_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL2, AXP15060_PWR_OUT_ALDO3_MASK),
> >> + AXP_DESC(AXP15060, ALDO4, "aldo4", "aldoin", 700, 3300, 100,
> >> + AXP15060_ALDO4_V_CTRL, AXP15060_ALDO4_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL2, AXP15060_PWR_OUT_ALDO4_MASK),
> >> + AXP_DESC(AXP15060, ALDO5, "aldo5", "aldoin", 700, 3300, 100,
> >> + AXP15060_ALDO5_V_CTRL, AXP15060_ALDO5_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL2, AXP15060_PWR_OUT_ALDO5_MASK),
> >> + AXP_DESC(AXP15060, BLDO1, "bldo1", "bldoin", 700, 3300, 100,
> >> + AXP15060_BLDO1_V_CTRL, AXP15060_BLDO1_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL2, AXP15060_PWR_OUT_BLDO1_MASK),
> >> + AXP_DESC(AXP15060, BLDO2, "bldo2", "bldoin", 700, 3300, 100,
> >> + AXP15060_BLDO2_V_CTRL, AXP15060_BLDO2_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL2, AXP15060_PWR_OUT_BLDO2_MASK),
> >> + AXP_DESC(AXP15060, BLDO3, "bldo3", "bldoin", 700, 3300, 100,
> >> + AXP15060_BLDO3_V_CTRL, AXP15060_BLDO3_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL2, AXP15060_PWR_OUT_BLDO3_MASK),
> >> + AXP_DESC(AXP15060, BLDO4, "bldo4", "bldoin", 700, 3300, 100,
> >> + AXP15060_BLDO4_V_CTRL, AXP15060_BLDO4_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL3, AXP15060_PWR_OUT_BLDO4_MASK),
> >> + AXP_DESC(AXP15060, BLDO5, "bldo5", "bldoin", 700, 3300, 100,
> >> + AXP15060_BLDO5_V_CTRL, AXP15060_BLDO5_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL3, AXP15060_PWR_OUT_BLDO5_MASK),
> >> + AXP_DESC(AXP15060, CLDO1, "cldo1", "cldoin", 700, 3300, 100,
> >> + AXP15060_CLDO1_V_CTRL, AXP15060_CLDO1_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL3, AXP15060_PWR_OUT_CLDO1_MASK),
> >> + AXP_DESC(AXP15060, CLDO2, "cldo2", "cldoin", 700, 3300, 100,
> >> + AXP15060_CLDO2_V_CTRL, AXP15060_CLDO2_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL3, AXP15060_PWR_OUT_CLDO2_MASK),
> >> + AXP_DESC(AXP15060, CLDO3, "cldo3", "cldoin", 700, 3300, 100,
> >> + AXP15060_CLDO3_V_CTRL, AXP15060_CLDO3_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL3, AXP15060_PWR_OUT_CLDO3_MASK),
> >> + AXP_DESC(AXP15060, CLDO4, "cldo4", "cldoin", 700, 4200, 100,
> >> + AXP15060_CLDO4_V_CTRL, AXP15060_CLDO4_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL3, AXP15060_PWR_OUT_CLDO4_MASK),
> >> + AXP_DESC(AXP15060, CPUSLDO, "cpusldo", NULL, 700, 1400, 50,
> >> + AXP15060_CPUSLDO_V_CTRL, AXP15060_CPUSLDO_V_CTRL_MASK,
> >> + AXP15060_PWR_OUT_CTRL3, AXP15060_PWR_OUT_CPUSLDO_MASK),
> >> + /* Supply comes from DCDC5 */
> > This comment (and the two below) should be *before* the respective
> > description.
> Thanks, would fix.
> >> + AXP_DESC_SW(AXP15060, SW, "swout", NULL,
> > Shouldn't the name here be "dc1sw", to match the other regulators? Also
> > "swout" wouldn't be covered by the regulator binding regexp, IIUC.
>
> In my version of datasheet(AXP15060 v1.0), it's named SW, not dc1sw in
> other variants' datasheet. So I think keeping "sw" would be better?
I don't know, just "sw" doesn't tell much, and other PMICs already use
DC1SW, so it's immediately clear what regulator this switch feeds
from.
> "swout" would be fixed, thanks.
You wouldn't need to add to this regexp there if you just use dc1sw.
Cheers,
Andre
> >> + AXP15060_PWR_OUT_CTRL3, AXP15060_PWR_OUT_SW_MASK),
> >> + /* Supply comes from DCDC1 */
> >> + AXP_DESC_FIXED(AXP15060, RTC_LDO, "rtc-ldo", NULL, 1800),
> >> + /* Supply comes from ALDO1 */
> >> +};
> > So I compared all the bits and register offset above against the
> > (AXP853T) manual: they match.
> >
> >> +
> >> static int axp20x_set_dcdc_freq(struct platform_device *pdev, u32 dcdcfreq)
> >> {
> >> struct axp20x_dev *axp20x = dev_get_drvdata(pdev->dev.parent);
> >> @@ -1145,6 +1311,15 @@ static int axp20x_set_dcdc_workmode(struct regulator_dev *rdev, int id, u32 work
> >> workmode <<= id - AXP813_DCDC1;
> >> break;
> >>
> >> + case AXP15060_ID:
> >> + reg = AXP15060_DCDC_MODE_CTRL2;
> >> + if (id < AXP15060_DCDC1 || id > AXP15060_DCDC6)
> >> + return -EINVAL;
> >> +
> >> + mask = AXP22X_WORKMODE_DCDCX_MASK(id - AXP15060_DCDC1);
> >> + workmode <<= id - AXP15060_DCDC1;
> >> + break;
> >> +
> >> default:
> >> /* should not happen */
> >> WARN_ON(1);
> >> @@ -1164,7 +1339,7 @@ static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id)
> >>
> >> /*
> >> * Currently in our supported AXP variants, only AXP803, AXP806,
> >> - * and AXP813 have polyphase regulators.
> >> + * AXP813 and AXP15060 have polyphase regulators.
> >> */
> >> switch (axp20x->variant) {
> >> case AXP803_ID:
> >> @@ -1196,6 +1371,17 @@ static bool axp20x_is_polyphase_slave(struct axp20x_dev *axp20x, int id)
> >> }
> >> break;
> >>
> >> + case AXP15060_ID:
> >> + regmap_read(axp20x->regmap, AXP15060_DCDC_MODE_CTRL1, ®);
> >> +
> >> + switch (id) {
> >> + case AXP15060_DCDC3:
> >> + return !!(reg & AXP15060_DCDC23_POLYPHASE_DUAL_MASK);
> >> + case AXP15060_DCDC6:
> >> + return !!(reg & AXP15060_DCDC46_POLYPHASE_DUAL_MASK);
> >> + }
> >> + break;
> >> +
> >> default:
> >> return false;
> >> }
> >> @@ -1217,6 +1403,7 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
> >> u32 workmode;
> >> const char *dcdc1_name = axp22x_regulators[AXP22X_DCDC1].name;
> >> const char *dcdc5_name = axp22x_regulators[AXP22X_DCDC5].name;
> >> + const char *aldo1_name = axp15060_regulators[AXP15060_ALDO1].name;
> >> bool drivevbus = false;
> >>
> >> switch (axp20x->variant) {
> >> @@ -1252,6 +1439,10 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
> >> drivevbus = of_property_read_bool(pdev->dev.parent->of_node,
> >> "x-powers,drive-vbus-en");
> >> break;
> >> + case AXP15060_ID:
> >> + regulators = axp15060_regulators;
> >> + nregulators = AXP15060_REG_ID_MAX;
> >> + break;
> >> default:
> >> dev_err(&pdev->dev, "Unsupported AXP variant: %ld\n",
> >> axp20x->variant);
> >> @@ -1278,8 +1469,9 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
> >> continue;
> >>
> >> /*
> >> - * Regulators DC1SW and DC5LDO are connected internally,
> >> - * so we have to handle their supply names separately.
> >> + * Regulators DC1SW, DC5LDO and RTCLDO on AXP15060 are
> >> + * connected internally, so we have to handle their supply
> >> + * names separately.
> >> *
> >> * We always register the regulators in proper sequence,
> >> * so the supply names are correctly read. See the last
> >> @@ -1288,7 +1480,8 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
> >> */
> >> if ((regulators == axp22x_regulators && i == AXP22X_DC1SW) ||
> >> (regulators == axp803_regulators && i == AXP803_DC1SW) ||
> >> - (regulators == axp809_regulators && i == AXP809_DC1SW)) {
> >> + (regulators == axp809_regulators && i == AXP809_DC1SW) ||
> > looks like whitespace is off here
> Would fix.
> >
> >> + (regulators == axp15060_regulators && i == AXP15060_SW)) {
> > Can you name that AXP15060_DC1SW?
> >
> >> new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
> >> GFP_KERNEL);
> >> if (!new_desc)
> >> @@ -1300,7 +1493,8 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
> >> }
> >>
> >> if ((regulators == axp22x_regulators && i == AXP22X_DC5LDO) ||
> >> - (regulators == axp809_regulators && i == AXP809_DC5LDO)) {
> >> + (regulators == axp809_regulators && i == AXP809_DC5LDO) ||
> > whitespace, and again some more times below.
> OK.
> >
> > The rest looks good to me.
>
> Thanks for reviewing.
>
> Best regards,
>
> Shengyu
>
> >
> > Cheers,
> > Andre
> >
> >> + (regulators == axp15060_regulators && i == AXP15060_CPUSLDO)) {
> >> new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
> >> GFP_KERNEL);
> >> if (!new_desc)
> >> @@ -1311,6 +1505,18 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
> >> desc = new_desc;
> >> }
> >>
> >> +
> >> + if (regulators == axp15060_regulators && i == AXP15060_RTC_LDO) {
> >> + new_desc = devm_kzalloc(&pdev->dev, sizeof(*desc),
> >> + GFP_KERNEL);
> >> + if (!new_desc)
> >> + return -ENOMEM;
> >> +
> >> + *new_desc = regulators[i];
> >> + new_desc->supply_name = aldo1_name;
> >> + desc = new_desc;
> >> + }
> >> +
> >> rdev = devm_regulator_register(&pdev->dev, desc, &config);
> >> if (IS_ERR(rdev)) {
> >> dev_err(&pdev->dev, "Failed to register %s\n",
> >> @@ -1329,19 +1535,26 @@ static int axp20x_regulator_probe(struct platform_device *pdev)
> >> }
> >>
> >> /*
> >> - * Save AXP22X DCDC1 / DCDC5 regulator names for later.
> >> + * Save AXP22X DCDC1 / DCDC5 / AXP15060 ALDO1 regulator names for later.
> >> */
> >> if ((regulators == axp22x_regulators && i == AXP22X_DCDC1) ||
> >> - (regulators == axp809_regulators && i == AXP809_DCDC1))
> >> + (regulators == axp809_regulators && i == AXP809_DCDC1) ||
> >> + (regulators == axp15060_regulators && i == AXP15060_DCDC1))
> >> of_property_read_string(rdev->dev.of_node,
> >> "regulator-name",
> >> &dcdc1_name);
> >>
> >> if ((regulators == axp22x_regulators && i == AXP22X_DCDC5) ||
> >> - (regulators == axp809_regulators && i == AXP809_DCDC5))
> >> + (regulators == axp809_regulators && i == AXP809_DCDC5) ||
> >> + (regulators == axp15060_regulators && i == AXP15060_DCDC5))
> >> of_property_read_string(rdev->dev.of_node,
> >> "regulator-name",
> >> &dcdc5_name);
> >> +
> >> + if (regulators == axp15060_regulators && i == AXP15060_ALDO1)
> >> + of_property_read_string(rdev->dev.of_node,
> >> + "regulator-name",
> >> + &aldo1_name);
> >> }
> >>
> >> if (drivevbus) {
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