Messages in this thread | | | Subject | Re: [PATCH v9 13/55] Input: atmel_mxt_ts - add regulator control support | From | Dmitry Osipenko <> | Date | Wed, 25 Mar 2020 22:05:39 +0300 |
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25.03.2020 16:32, Jiada Wang пишет: > From: Nick Dyer <nick.dyer@itdev.co.uk> > > Allow the driver to optionally manage enabling/disable power to the touch > controller itself. If the regulators are not present then use the deep > sleep power mode instead. > > For a correct power on sequence, it is required that we have control over > the RESET line.
... > + data->reg_vdd = devm_regulator_get(dev, "vdd"); > + if (IS_ERR(data->reg_vdd)) { > + error = PTR_ERR(data->reg_vdd); > + dev_err(dev, "Error %d getting vdd regulator\n", error); > + goto fail; > + } > + > + data->reg_avdd = devm_regulator_get(dev, "avdd"); > + if (IS_ERR(data->reg_avdd)) { > + error = PTR_ERR(data->reg_avdd); > + dev_err(dev, "Error %d getting avdd regulator\n", error); > + goto fail_release; > + }
Hello Jiada,
The new regulator properties should be documented in the device-tree binding.
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