From mboxrd@z Thu Jan 1 00:00:00 1970 From: Rob Herring Subject: Re: [PATCHv4 25/29] drm/omap: displays: panel-dpi: Support for handling backlight devices Date: Mon, 3 Apr 2017 10:58:40 -0500 Message-ID: <20170403155840.m62fwyptmbwlsfnq@rob-hp-laptop> References: <1490872529-23084-1-git-send-email-tomi.valkeinen@ti.com> <1490872529-23084-26-git-send-email-tomi.valkeinen@ti.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <1490872529-23084-26-git-send-email-tomi.valkeinen-l0cyMroinI0@public.gmane.org> Sender: devicetree-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: Tomi Valkeinen Cc: dri-devel-PD4FTy7X32lNgt0PjOBp9y5qC8QIuHrW@public.gmane.org, Laurent Pinchart , Jyri Sarha , Peter Ujfalusi , devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-Id: devicetree@vger.kernel.org On Thu, Mar 30, 2017 at 02:15:25PM +0300, Tomi Valkeinen wrote: > From: Peter Ujfalusi > > The associated backlight device can be configured via DT by providing the > phandle to the device. > > If the backlight device is configured, the driver can manage the backligt > along with the panel's power state, iow it can turn on the backlight when > the panel is enabled and turn it off when the panel is disabled. > > Signed-off-by: Peter Ujfalusi > Signed-off-by: Tomi Valkeinen > Cc: devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org > --- > .../bindings/display/panel/panel-dpi.txt | 3 ++ > drivers/gpu/drm/omapdrm/displays/panel-dpi.c | 37 ++++++++++++++++++++-- > 2 files changed, 38 insertions(+), 2 deletions(-) > > diff --git a/Documentation/devicetree/bindings/display/panel/panel-dpi.txt b/Documentation/devicetree/bindings/display/panel/panel-dpi.txt > index d4add13e592d..6b203bc4d932 100644 > --- a/Documentation/devicetree/bindings/display/panel/panel-dpi.txt > +++ b/Documentation/devicetree/bindings/display/panel/panel-dpi.txt > @@ -9,6 +9,7 @@ Optional properties: > - enable-gpios: panel enable gpio > - reset-gpios: GPIO to control the RESET pin > - vcc-supply: phandle of regulator that will be used to enable power to the display > +- backlight: phandle of the backlight device Any panel can have a backlight, so please add to panel/panel.txt instead. > > Required nodes: > - "panel-timing" containing video timings > @@ -22,6 +23,8 @@ lcd0: display@0 { > compatible = "samsung,lte430wq-f0c", "panel-dpi"; > label = "lcd"; > > + backlight = <&backlight>; > + > port { > lcd_in: endpoint { > remote-endpoint = <&dpi_out>; -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html