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charset="utf-8" From: Ciprian Marian Costea If the RTC is not linked to any battery, the oscillator is stopped at startup and a SW reset command is generated to the PCF85063 RTC. Manually start the oscillator in case the PCF85063 RTC is not battery backed. Co-developed-by: Larisa Grigore Signed-off-by: Larisa Grigore Signed-off-by: Ciprian Marian Costea --- drivers/rtc/rtc-pcf85063.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/rtc/rtc-pcf85063.c b/drivers/rtc/rtc-pcf85063.c index 4fa5c4ecdd5a..6de7344d2469 100644 --- a/drivers/rtc/rtc-pcf85063.c +++ b/drivers/rtc/rtc-pcf85063.c @@ -590,6 +590,14 @@ static int pcf85063_probe(struct i2c_client *client) =20 i2c_set_clientdata(client, pcf85063); =20 + if (of_property_read_bool(client->dev.of_node, "no-battery")) { + err =3D regmap_update_bits(pcf85063->regmap, PCF85063_REG_SC, + PCF85063_REG_SC_OS, 0); + if (err) + return dev_err_probe(&client->dev, err, + "Failed to start the oscillator\n"); + } + err =3D regmap_read(pcf85063->regmap, PCF85063_REG_SC, &tmp); if (err) return dev_err_probe(&client->dev, err, "RTC chip is not present\n"); --=20 2.45.2