On Fri, Nov 15, 2019 at 05:52:19PM +0800, allen wrote: > From: Allen Chen <allen.chen@xxxxxxxxxx> > > Add a DT binding documentation for IT6505. > > Signed-off-by: Allen Chen <allen.chen@xxxxxxxxxx> > Signed-off-by: Pi-Hsun Shih <pihsun@xxxxxxxxxxxx> > --- > .../bindings/display/bridge/ite,it6505.txt | 28 ++++++++++++++++++++++ > 1 file changed, 28 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/ite,it6505.txt Please make this a DT schema. See Documentation/devicetree/writing-schema.rst. > diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.txt b/Documentation/devicetree/bindings/display/bridge/ite,it6505.txt > new file mode 100644 > index 00000000..72da0c4 > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.txt > @@ -0,0 +1,28 @@ > +iTE it6505 DP bridge bindings > + > +Required properties: > + - compatible: "ite,it6505" > + - reg: i2c address of the bridge > + - ovdd-supply: I/O voltage > + - pwr18-supply: Core voltage > + - interrupts: interrupt specifier of INT pin > + - reset-gpios: gpio specifier of RESET pin > + - hpd-gpios: > + Hotplug detect GPIO. > + Indicates which GPIO should be used for hotplug detection Indentation is not consistent. > + - port@[x]: SoC specific port nodes with endpoint definitions as defined > + in Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.txt You need to define what each port is. With the schema, that will be 'port@0' and 'port@1' properties. > + > +Example: > + dp-bridge@5c { > + compatible = "ite,it6505"; > + interrupts = <152 IRQ_TYPE_EDGE_RISING 152 0>; > + reg = <0x5c>; > + pinctrl-names = "default"; > + pinctrl-0 = <&it6505_pins>; > + ovdd-supply = <&mt6358_vsim1_reg>; > + pwr18-supply = <&it6505_pp18_reg>; > + reset-gpios = <&pio 179 1>; > + hpd-gpios = <&pio 9 0>; > + extcon = <&usbc_extcon>; Not documented plus it's deprecated. You're missing ports here and they are required. Rob