Четверг, 6 марта 2014, 17:29 +01:00 от Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>: > Hi Denis, > > Am Donnerstag, den 06.03.2014, 17:04 +0100 schrieb Denis Carikli: > > diff --git a/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt b/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt > > index 2d24425..4dd7ce5 100644 > > --- a/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt > > +++ b/Documentation/devicetree/bindings/staging/imx-drm/fsl-imx-drm.txt > > @@ -28,6 +28,7 @@ Required properties: > > - compatible: Should be "fsl,imx-parallel-display" > > - crtc: the crtc this display is connected to, see below > > Optional properties: > > +- display-supply : phandle to the regulator device tree node if needed. > > I'd very much prefer to not do this here. I have submitted a patch to > add drm_display support to this driver, so you can connect a drm_panel > compatible driver as output. The simple-panel driver already supports > supply regulator and backlight control. ... > > + imxpd->disp_reg = devm_regulator_get(dev, "display"); > > + if (IS_ERR(imxpd->disp_reg)) > > + return PTR_ERR(imxpd->disp_reg); And here we can see that this regulator is not optional. --- _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel