Hello Ahmad, I forgot to mention that I still use barebox-2021.10. In this version, regulator_get_voltage() returned an error code. After applying the missing commit, I works find. Maybe I could add the vf610_adc driver (works for i.MX6 series) to the upstream barebox later ... regards, Christian On Wednesday, 23 August 2023, 18:25:05 CEST, Ahmad Fatoum wrote: > Hello Christian, > > On 23.08.23 17:05, Christian Eggers wrote: > > Seems that I found the answer myself: > > > > https://git.pengutronix.de/cgit/barebox/commit/?id=d353ffd5c6e6d4cee6eee72726125c965a0814f0 > > (y). > > Did you run into any problems at runtime? > > Cheers, > Ahmad > > > > > regards, > > Christian > > > > On Wednesday, 23 August 2023, 16:53:04 CEST, Christian Eggers wrote: > >> Hi Ahmad, > >> > >> I am currently porting the vf610_adc driver from Linux to Barebox. > >> Must thing can be done similar as for the imx7_adc driver. > >> > >> I have one question about the reference voltage: > >> > >> static int imx7d_adc_enable(struct imx7d_adc *info) > >> { > >> ... > >> ret = regulator_get_voltage(info->vref); > >> ... > >> } > >> > >> What type of regulator do you use? I have declared a > >> fixed regulator in my device tree: > >> > >> reg_adc_vref_3v3: regulator-3v3-adc { > >> compatible = "regulator-fixed"; > >> regulator-name = "vref-3v3"; > >> regulator-min-microvolt = <3300000>; > >> regulator-max-microvolt = <3300000>; > >> }; > >> > >> &adc2 { > >> pinctrl-names = "default"; > >> pinctrl-0 = <&pinctrl_adc2>; > >> vref-supply = <®_adc_vref_3v3>; > >> ... > >> }; > >> > >> But it looks like the fixed regulator driver in Barebox > >> doesn't support reading the voltage (the Linux driver > >> reports the value from "regulator-min-microvolt")? > >> > >> regards, > >> Christian > >> > >> > > > > > > > > > > _______________________________________________________ > > Christian > > Eggers > > > > Software Engineer > > > > > > ARRI > > Arnold & Richter Cine Technik GmbH & Co. Betriebs KG > > > > Arriweg 17 , > > 83071 > > Stephanskirchen > > > > www.arri.com > > > > <http://www.arri.com/> > > +49 8036 3009-3118 <tel:+49%208036%203009-3118> > > > > > > CEggers@xxxxxxx <mailto:CEggers@xxxxxxx> > > > > > > > > > > CCM1 Camera Control Monitor <https://www.arri.com/en/camera-systems/cameras/ccm-1> > > Get all the latest information from www.arri.com <https://www.arri.com/>, Facebook <https://www.facebook.com/TeamARRI>, Twitter <https://twitter.com/ARRIChannel>, Instagram <https://www.instagram.com/arri/>, LinkedIn <https://www.linkedin.com/company/arri> and YouTube <https://www.youtube.com/user/ARRIChannel>. > > > > Arnold & Richter Cine Technik GmbH & Co. Betriebs KG > > Sitz: München ‑ Registergericht: Amtsgericht München ‑ Handelsregisternummer: HRA 57918 > > Persönlich haftender Gesellschafter: Arnold & Richter Cine Technik GmbH > > Sitz: München ‑ Registergericht: Amtsgericht München ‑ Handelsregisternummer: HRB 54477 > > Geschäftsführer: Dr. Matthias Erb (Chairman); Lars Weyer; Stephan Schenk; Walter Trauninger > > > > > > > >
