On Thu, Feb 18, 2021 at 11:41:49AM +0800, Liu Ying wrote:
This patch adds bindings for i.MX8qxp pixel link to DPI(PXL2DPI).
Signed-off-by: Liu Ying victor.liu@nxp.com
v3->v4:
- Add 'fsl,sc-resource' property. (Rob)
v2->v3:
- Drop 'fsl,syscon' property. (Rob)
- Mention the CSR module controls PXL2DPI.
v1->v2:
- Use graph schema. (Laurent)
.../display/bridge/fsl,imx8qxp-pxl2dpi.yaml | 108 +++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pxl2dpi.yaml
diff --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..e4e77fa --- /dev/null +++ b/Documentation/devicetree/bindings/display/bridge/fsl,imx8qxp-pxl2dpi.yaml @@ -0,0 +1,108 @@ +# 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.
- The i.MX8qxp PXL2DPI is controlled by Control and Status Registers(CSR) module.
- The CSR module, as a system controller, contains the PXL2DPI's configuration
- register.
So this node should be a child of the CSR. Ideally, this schema is also referenced from the CSR's schema (and if that doesn't exist, it should be there first).
+properties:
- compatible:
- const: fsl,imx8qxp-pxl2dpi
- fsl,sc-resource:
- $ref: /schemas/types.yaml#/definitions/uint32
- description: The SCU resource ID associated with this PXL2DPI instance.
- power-domains:
- maxItems: 1
- fsl,companion-pxl2dpi:
- $ref: /schemas/types.yaml#/definitions/phandle
- description: |
A phandle which points to companion PXL2DPI which is used by downstreamLVDS Display Bridge(LDB) in split mode.- ports:
- $ref: /schemas/graph.yaml#/properties/ports
- properties:
port@0:$ref: /schemas/graph.yaml#/properties/portdescription: The PXL2DPI input port node from pixel link.port@1:$ref: /schemas/graph.yaml#/properties/portdescription: The PXL2DPI output port node to downstream bridge.- required:
- port@0- port@1+required:
- compatible
- fsl,sc-resource
- power-domains
- ports
+additionalProperties: false
+examples:
- |
- #include <dt-bindings/firmware/imx/rsrc.h>
- pxl2dpi {
compatible = "fsl,imx8qxp-pxl2dpi";fsl,sc-resource = <IMX_SC_R_MIPI_0>;power-domains = <&pd IMX_SC_R_MIPI_0>;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>;};};};- };
-- 2.7.4