From mboxrd@z Thu Jan 1 00:00:00 1970 From: p.zabel@pengutronix.de (Philipp Zabel) Date: Fri, 19 Feb 2016 10:13:30 +0100 Subject: [PATCH v10 1/2] Documentation: bridge: Add documentation for ps8640 DT properties In-Reply-To: <1455870678-13959-1-git-send-email-jitao.shi@mediatek.com> References: <1455870678-13959-1-git-send-email-jitao.shi@mediatek.com> Message-ID: <1455873210.13163.0.camel@pengutronix.de> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Am Freitag, den 19.02.2016, 16:31 +0800 schrieb Jitao Shi: > Add documentation for DT properties supported by > ps8640 DSI-eDP converter. > > Signed-off-by: Jitao Shi > Acked-by: Rob Herring > Reviewed-by: Philipp Zabel > --- > Changes since v9: > - No change > --- > .../devicetree/bindings/display/bridge/ps8640.txt | 43 ++++++++++++++++++++ > 1 file changed, 43 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/ps8640.txt > > diff --git a/Documentation/devicetree/bindings/display/bridge/ps8640.txt b/Documentation/devicetree/bindings/display/bridge/ps8640.txt > new file mode 100644 > index 0000000..a3e0971 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/ps8640.txt > @@ -0,0 +1,43 @@ > +ps8640-bridge bindings > + > +Required properties: > + - compatible: "parade,ps8640" > + - reg: first page address of the bridge. > + - sleep-gpios: OF device-tree gpio specification for PD_ pin. > + - reset-gpios: OF device-tree gpio specification for reset pin. > + - mode-sel-gpios: OF device-tree gpio specification for mode-sel pin. > + - vdd12-supply: OF device-tree regulator specification for 1.2V power. > + - vdd33-supply: OF device-tree regulator specification for 3.3V power. > + - ports: The device node can contain video interface port nodes per > + the video-interfaces bind[1]. For port at 0,set the reg = <0> as > + ps8640 dsi in and port at 1,set the reg = <1> as ps8640 eDP out. > + > +[1]: Documentation/devicetree/bindings/media/video-interfaces.txt > + > +Example: > + edp-bridge at 18 { > + compatible = "parade,ps8640"; > + reg = <0x18>; > + sleep-gpios = <&pio 116 GPIO_ACTIVE_HIGH>; > + reset-gpios = <&pio 115 GPIO_ACTIVE_HIGH>; Are these two really active high? See my comments on the driver patch. regards Philipp