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mfd: tps65086: Make interrupt line optional 

The BeagleV Starlight v0.9 board[1] doesn't have the IRQB line routed to
the SoC, but it is still useful to be able to reach the PMIC over I2C
for the other functionality it provides such as GPIOs and regulator
settings.

[1] https://github.com/beagleboard/beaglev-starlight

Signed-off-by: Emil Renner Berthing <kernel@esmil.dk>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Emil Renner Berthing 2021-07-27 11:25:52 +02:00 committed by Lee Jones
parent 68f0ba70de
commit e06f4abb1b
2 changed files with 11 additions and 13 deletions
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3
Documentation/devicetree/bindings/mfd/ti,tps65086.yaml
View File

@ -87,9 +87,6 @@ additionalProperties: false
required:
- compatible
- reg
- interrupts
- interrupt-controller
- '#interrupt-cells'
- gpio-controller
- '#gpio-cells'
- regulators

21
drivers/mfd/tps65086.c
View File

@ -100,29 +100,30 @@ static int tps65086_probe(struct i2c_client *client,
(char)((version & TPS65086_DEVICEID_OTP_MASK) >> 4) + 'A',
(version & TPS65086_DEVICEID_REV_MASK) >> 6);
ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
&tps65086_irq_chip, &tps->irq_data);
if (ret) {
dev_err(tps->dev, "Failed to register IRQ chip\n");
return ret;
if (tps->irq > 0) {
ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
&tps65086_irq_chip, &tps->irq_data);
if (ret) {
dev_err(tps->dev, "Failed to register IRQ chip\n");
return ret;
}
}
ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65086_cells,
ARRAY_SIZE(tps65086_cells), NULL, 0,
regmap_irq_get_domain(tps->irq_data));
if (ret) {
if (ret && tps->irq > 0)
regmap_del_irq_chip(tps->irq, tps->irq_data);
return ret;
}
return 0;
return ret;
}
static int tps65086_remove(struct i2c_client *client)
{
struct tps65086 *tps = i2c_get_clientdata(client);
regmap_del_irq_chip(tps->irq, tps->irq_data);
if (tps->irq > 0)
regmap_del_irq_chip(tps->irq, tps->irq_data);
return 0;
}