Re: [PATCH v3 1/9] dt-bindings: display: rockchip: Add schema for RK3588 DPTX Controller

From: Diederik de Haas
Date: Fri Apr 04 2025 - 15:37:34 EST


On Thu Apr 3, 2025 at 5:37 AM CEST, Andy Yan wrote:
> From: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
>
> The Rockchip RK3588 SoC integrates the Synopsys DesignWare DPTX
> controller. And this DPTX controller need share a USBDP PHY with
> the USB 3.0 OTG controller during operation.
>
> Signed-off-by: Andy Yan <andy.yan@xxxxxxxxxxxxxx>
> Reviewed-by: Rob Herring (Arm) <robh@xxxxxxxxxx>
>
> ---
>
> (no changes since v2)
>
> Changes in v2:
> - Link to V1: https://lore.kernel.org/linux-rockchip/20250223113036.74252-1-andyshrk@xxxxxxx/
> - Fix a character encoding issue
>
> .../display/rockchip/rockchip,dw-dp.yaml | 150 ++++++++++++++++++
> 1 file changed, 150 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/rockchip/rockchip,dw-dp.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-dp.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-dp.yaml
> new file mode 100644
> index 0000000000000..a8a0087179972
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,dw-dp.yaml
> @@ -0,0 +1,150 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/rockchip/rockchip,dw-dp.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Rockchip DW DisplayPort Transmitter
> +
> +maintainers:
> + - Andy Yan <andy.yan@xxxxxxxxxxxxxx>
> +
> +description: |
> + The Rockchip RK3588 SoC integrates the Synopsys DesignWare DPTX controller
> + which is compliant with the DisplayPort Specification Version 1.4 with the
> + following features:
> +
> + * DisplayPort 1.4a
> + * Main Link: 1/2/4 lanes
> + * Main Link Support 1.62Gbps, 2.7Gbps, 5.4Gbps and 8.1Gbps
> + * AUX channel 1Mbps
> + * Single Stream Transport(SST)
> + * Multistream Transport (MST)
> + * Type-C support (alternate mode)
> + * HDCP 2.2, HDCP 1.3
> + * Supports up to 8/10 bits per color component
> + * Supports RBG, YCbCr4:4:4, YCbCr4:2:2, YCbCr4:2:0
> + * Pixel clock up to 594MHz
> + * I2S, SPDIF audio interface
> +
> +allOf:
> + - $ref: /schemas/sound/dai-common.yaml#
> +
> +properties:
> + compatible:
> + enum:
> + - rockchip,rk3588-dp
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: Peripheral/APB bus clock
> + - description: DisplayPort AUX clock
> + - description: HDCP clock
> + - description: I2S interface clock
> + - description: SPDIF interfce clock

s/interfce/interface/

Cheers,
Diederik

> +
> + clock-names:
> + items:
> + - const: apb
> + - const: aux
> + - const: hdcp
> + - const: i2s
> + - const: spdif

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