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SubjectRe: [PATCH v9 05/11] dt-bindings: display: add i.MX6 MIPI DSI host controller doc
On Tue, Jun 09, 2020 at 08:49:53PM +0300, Adrian Ratiu wrote:
> This provides an example DT binding for the MIPI DSI host controller

It's not an example. It defines the exact binding for this peripheral.

> present on the i.MX6 SoC based on Synopsis DesignWare v1.01 IP.
>
> Cc: Rob Herring <robh@kernel.org>
> Cc: Neil Armstrong <narmstrong@baylibre.com>
> Cc: Fabio Estevam <festevam@gmail.com>
> Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
> Cc: devicetree@vger.kernel.org
> Tested-by: Adrian Pop <pop.adrian61@gmail.com>
> Tested-by: Arnaud Ferraris <arnaud.ferraris@collabora.com>
> Signed-off-by: Sjoerd Simons <sjoerd.simons@collabora.com>
> Signed-off-by: Martyn Welch <martyn.welch@collabora.com>
> Signed-off-by: Adrian Ratiu <adrian.ratiu@collabora.com>
> ---
> Changes since v8:
> - Fixed small compatible string typo caught by checkpatch
> - Added custom select for 'fsl,imx6-mipi-dsi' (Rob)
> - Replaced additionalProperties -> unevaluatedProperties (Rob)
> - Dropped all nodes not adding any new constraints apart from
> the recently upstreamed snps,dw-mipi-dsi.yaml (Rob)
>
> Changes since v7:
> - Clarified port@0,1 descriptions, marked them as required and
> added missing port@0 in example (Laurent)
>
> Changes since v6:
> - Added ref to the newly created snps,dw-mipi-dsi.yaml (Laurent)
> - Moved *-cells properties outside patternProperties (Laurent)
> - Removed the panel port documentation (Laurent)
> - Wrapped lines at 80 chars, typo fixes, sort includes (Laurent)
>
> Changes since v5:
> - Fixed missing reg warning (Fabio)
> - Updated dt-schema and fixed warnings (Rob)
>
> Changes since v4:
> - Fixed yaml binding to pass `make dt_binding_check dtbs_check`
> and addressed received binding feedback (Rob)
>
> Changes since v3:
> - Added commit message (Neil)
> - Converted to yaml format (Neil)
> - Minor dt node + driver fixes (Rob)
> - Added small panel example to the host controller binding
>
> Changes since v2:
> - Fixed commit tags (Emil)
> ---
> .../display/imx/fsl,mipi-dsi-imx6.yaml | 112 ++++++++++++++++++
> 1 file changed, 112 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/display/imx/fsl,mipi-dsi-imx6.yaml
>
> diff --git a/Documentation/devicetree/bindings/display/imx/fsl,mipi-dsi-imx6.yaml b/Documentation/devicetree/bindings/display/imx/fsl,mipi-dsi-imx6.yaml
> new file mode 100644
> index 0000000000000..86093729fd5f9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/display/imx/fsl,mipi-dsi-imx6.yaml
> @@ -0,0 +1,112 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/display/imx/fsl,mipi-dsi-imx6.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale i.MX6 DW MIPI DSI Host Controller
> +
> +maintainers:
> + - Adrian Ratiu <adrian.ratiu@collabora.com>
> +
> +description: |
> + The i.MX6 DSI host controller is a Synopsys DesignWare MIPI DSI v1.01
> + IP block with a companion PHY IP.
> +
> + These DT bindings follow the Synopsys DW MIPI DSI bindings defined in
> + Documentation/devicetree/bindings/display/bridge/dw_mipi_dsi.txt with
> + the following device-specific properties.
> +
> +allOf:
> + - $ref: ../bridge/snps,dw-mipi-dsi.yaml#
> +
> +# Need a custom select here or 'snps,dw-mipi-dsi' will match lots of nodes
> +select:
> + properties:
> + compatible:
> + contains:
> + enum:
> + - fsl,imx6-mipi-dsi
> + required:
> + - compatible
> +
> +properties:

> + '#address-cells':
> + const: 1
> +
> + '#size-cells':
> + const: 0

These 2 are covered by dsi-controller.yaml, so you can drop them.

Otherwise,

Reviewed-by: Rob Herring <robh@kernel.org>

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