On 22/04/2021 00:31, Marek Vasut wrote:
> Add DT binding document for TI SN65DSI83 and SN65DSI84 DSI to LVDS bridge.
>
> Signed-off-by: Marek Vasut <[email protected]>
> Cc: Douglas Anderson <[email protected]>
> Cc: Jagan Teki <[email protected]>
> Cc: Laurent Pinchart <[email protected]>
> Cc: Linus Walleij <[email protected]>
> Cc: Rob Herring <[email protected]>
> Cc: Sam Ravnborg <[email protected]>
> Cc: Stephen Boyd <[email protected]>
> Cc: [email protected]
> To: [email protected]
> ---
> V2: Add compatible string for SN65DSI84, since this is now tested on it
> ---
> .../bindings/display/bridge/ti,sn65dsi83.yaml | 134 ++++++++++++++++++
> 1 file changed, 134 insertions(+)
> create mode 100644
> Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
>
> diff --git
> a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
> b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
> new file mode 100644
> index 000000000000..42d11b46a1eb
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml
> @@ -0,0 +1,134 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/bridge/ti,sn65dsi83.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SN65DSI83 and SN65DSI84 DSI to LVDS bridge chip
> +
> +maintainers:
> + - Marek Vasut <[email protected]>
> +
> +description: |
> + Texas Instruments SN65DSI83 1x Single-link MIPI DSI
> + to 1x Single-link LVDS
> + https://www.ti.com/lit/gpn/sn65dsi83
> + Texas Instruments SN65DSI84 1x Single-link MIPI DSI
> + to 1x Dual-link or 2x Single-link LVDS
> + https://www.ti.com/lit/gpn/sn65dsi84
> +
> +properties:
> + compatible:
> + oneOf:
> + - const: ti,sn65dsi83
> + - const: ti,sn65dsi84
> +
> + reg:
> + const: 0x2d
> +
> + enable-gpios:
> + maxItems: 1
> + description: GPIO specifier for bridge_en pin (active high).
> +
> + ports:
> + type: object
> + additionalProperties: false
> +
> + properties:
> + "#address-cells":
> + const: 1
> +
> + "#size-cells":
> + const: 0
> +
> + port@0:
> + type: object
> + additionalProperties: false
> +
> + description:
> + Video port for MIPI DSI input
> +
> + properties:
> + reg:
> + const: 0
> +
> + endpoint:
> + type: object
> + additionalProperties: false
> + properties:
> + remote-endpoint: true
> + data-lanes:
> + description: array of physical DSI data lane indexes.
> +
> + required:
> + - reg
> +
> + port@1:
> + type: object
> + additionalProperties: false
> +
> + description:
> + Video port for LVDS output (panel or bridge).
> +
> + properties:
> + reg:
> + const: 1
> +
> + endpoint:
> + type: object
> + additionalProperties: false
> + properties:
> + remote-endpoint: true
Similar to Jagan's serie, would be great to add bindings for the dual-link LVDS
even if not supported
by the driver (the driver can fails with a verbose error).
Neil
> +
> + required:
> + - reg
> +
> + required:
> + - "#address-cells"
> + - "#size-cells"
> + - port@0
> + - port@1
> +
> +required:
> + - compatible
> + - reg
> + - enable-gpios
> + - ports
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/gpio/gpio.h>
> +
> + i2c {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + bridge@2d {
> + compatible = "ti,sn65dsi83";
> + reg = <0x2d>;
> +
> + enable-gpios = <&gpio2 1 GPIO_ACTIVE_HIGH>;
> +
> + ports {
> + #address-cells = <1>;
> + #size-cells = <0>;
> +
> + port@0 {
> + reg = <0>;
> + endpoint {
> + remote-endpoint = <&dsi0_out>;
> + data-lanes = <1 2 3 4>;
> + };
> + };
> +
> + port@1 {
> + reg = <1>;
> + endpoint {
> + remote-endpoint = <&panel_in_lvds>;
> + };
> + };
> + };
> + };
> + };
>
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