Re: [PATCH v2 08/14] dt-bindings: display: bridge: Add i.MX8qxp pixel link to DPI binding
From: Rob Herring <robh@kernel.org>
Date: 2021-01-25 21:17:47
Also in:
dri-devel, linux-devicetree, linux-media, lkml
On Thu, Jan 14, 2021 at 05:22:06PM +0800, Liu Ying wrote:
quoted hunk ↗ jump to hunk
This patch adds bindings for i.MX8qxp pixel link to DPI(PXL2DPI). Signed-off-by: Liu Ying <victor.liu@nxp.com> --- v1->v2: * Use graph schema. (Laurent) .../display/bridge/fsl,imx8qxp-pxl2dpi.yaml | 105 +++++++++++++++++++++ 1 file changed, 105 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pxl2dpi.yamldiff --git a/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pxl2dpi.yaml b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pxl2dpi.yaml new file mode 100644 index 00000000..187824e --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pxl2dpi.yaml@@ -0,0 +1,105 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/bridge/fsl,imx8qxp-pxl2dpi.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Freescale i.MX8qxp Pixel Link to Display Pixel Interface + +maintainers: + - Liu Ying <victor.liu@nxp.com> + +description: | + The Freescale i.MX8qxp Pixel Link to Display Pixel Interface(PXL2DPI) + interfaces the pixel link 36-bit data output and the DSI controller’s + MIPI-DPI 24-bit data input, and inputs of LVDS Display Bridge(LDB) module + used in LVDS mode, to remap the pixel color codings between those modules. + This module is purely combinatorial. + +properties: + compatible: + const: fsl,imx8qxp-pxl2dpi + + power-domains: + maxItems: 1 + + fsl,syscon: + $ref: /schemas/types.yaml#/definitions/phandle + description: | + A phandle which points to Control and Status Registers(CSR) module.
If this is the only control interface, then make it a child node of the phandle.
+
+ fsl,companion-pxl2dpi:
+ $ref: /schemas/types.yaml#/definitions/phandle
+ description: |
+ A phandle which points to companion PXL2DPI which is used by downstream
+ LVDS Display Bridge(LDB) in split mode.
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: The PXL2DPI input port node from pixel link.
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description: The PXL2DPI output port node to downstream bridge.
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - power-domains
+ - fsl,syscon
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/firmware/imx/rsrc.h>
+ pxl2dpi {
+ compatible = "fsl,imx8qxp-pxl2dpi";
+ power-domains = <&pd IMX_SC_R_MIPI_0>;
+ fsl,syscon = <&mipi_lvds_0_csr>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+
+ mipi_lvds_0_pxl2dpi_dc_pixel_link0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&dc_pixel_link0_mipi_lvds_0_pxl2dpi>;
+ };
+
+ mipi_lvds_0_pxl2dpi_dc_pixel_link1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&dc_pixel_link1_mipi_lvds_0_pxl2dpi>;
+ };
+ };
+
+ port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+
+ mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&mipi_lvds_0_ldb_ch0_mipi_lvds_0_pxl2dpi>;
+ };
+
+ mipi_lvds_0_pxl2dpi_mipi_lvds_0_ldb_ch1: endpoint@1 {
+ reg = <1>;
+ remote-endpoint = <&mipi_lvds_0_ldb_ch1_mipi_lvds_0_pxl2dpi>;
+ };
+ };
+ };
+ };
--
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