Hi Allen. On Tue, Dec 10, 2019 at 01:53:41PM +0800, allen wrote: > 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.yaml | 99 ++++++++++++++++++++++ > 1 file changed, 99 insertions(+) > create mode 100644 Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml > > diff --git a/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml > new file mode 100644 > index 00000000..23a106a > --- /dev/null > +++ b/Documentation/devicetree/bindings/display/bridge/ite,it6505.yaml > @@ -0,0 +1,99 @@ > +# SPDX-License-Identifier: GPL-2.0 Please dual license new bindings like this: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/display/ite,it6505.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: ITE it6505 Device Tree Bindings > + > +maintainers: > + - Allen Chen <allen.chen@xxxxxxxxxx> > + > +description: | > + The IT6505 is a high-performance DisplayPort 1.1a transmitter, > +fully compliant with DisplayPort 1.1a, HDCP 1.3 specifications. > +The IT6505 supports color depth of up to 36 bits (12 bits/color) > +and ensures robust transmission of high-quality uncompressed video > +content, along with uncompressed and compressed digital audio content. Can we get consistent indent of the text here. With this fixed: Acked-by: Sam Ravnborg <sam@xxxxxxxxxxxx> > + > + Aside from the various video output formats supported, the IT6505 > +also encodes and transmits up to 8 channels of I2S digital audio, > +with sampling rate up to 192kHz and sample size up to 24 bits. > +In addition, an S/PDIF input port takes in compressed audio of up to > +192kHz frame rate. > + > + Each IT6505 chip comes preprogrammed with an unique HDCP key, > +in compliance with the HDCP 1.3 standard so as to provide secure > +transmission of high-definition content. Users of the IT6505 need not > +purchase any HDCP keys or ROMs. > + > +properties: > + compatible: > + const: ite,it6505 > + > + reg: > + - maxItems: 1 > + - description: i2c address of the bridge > + > + ovdd-supply: > + - maxItems: 1 > + - description: I/O voltage > + > + pwr18-supply: > + - maxItems: 1 > + - description: core voltage > + > + interrupts: > + - maxItems: 1 > + - description: interrupt specifier of INT pin > + > + reset-gpios: > + - maxItems: 1 > + - description: gpio specifier of RESET pin > + > + hpd-gpios: > + - maxItems: 1 > + - description: > + - Hotplug detect GPIO > + - Indicates which GPIO should be used for hotplug detection > + > + extcon: > + - maxItems: 1 > + - description: extcon specifier for the Power Delivery > + > + port: > + - type: object > + - description: A port node pointing to DPI host port node > + > +required: > + - compatible > + - reg > + - ovdd-supply > + - pwr18-supply > + - interrupts > + - reset-gpios > + - hpd-gpios > + - extcon > + > +examples: > + - | > + 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>; > + > + port { > + it6505_in: endpoint { > + remote-endpoint = <&dpi_out>; > + }; > + }; > + }; > + > +---
