Re: [PATCH v5 3/4] dt-bindings: Add binding for IT6505.

From: Sam Ravnborg
Date: Sat Dec 14 2019 - 03:21:56 EST


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>;
> + };
> + };
> + };
> +
> +---