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Subject[PATCH v2 1/3] dt-bindings: drm/bridge: Document Cadence MHDP bridge bindings in yaml format
Date
Document the bindings used for the Cadence MHDP DPI/DP bridge in
yaml format.

Signed-off-by: Yuti Amonkar <yamonkar@cadence.com>
---
.../bindings/display/bridge/cdns,mhdp.yaml | 109 +++++++++++++++++++++
1 file changed, 109 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml
new file mode 100644
index 0000000..aed6224
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/cdns,mhdp.yaml
@@ -0,0 +1,109 @@
+%YAML 1.2
+---
+$id: "http://devicetree.org/schemas/display/bridge/cdns,mhdp.yaml#"
+$schema: "http://devicetree.org/meta-schemas/core.yaml#"
+
+title: Cadence MHDP bridge
+
+maintainers:
+ - Swapnil Jakhade <sjakhade@cadence.com>
+ - Yuti Amonkar <yamonkar@cadence.com>
+
+properties:
+ compatible:
+ enum:
+ - cdns,mhdp8546
+ - ti,j721e-mhdp8546
+
+ clocks:
+ maxItems: 1
+ description:
+ DP bridge clock, it's used by the IP to know how to translate a number of
+ clock cycles into a time (which is used to comply with DP standard timings
+ and delays).
+
+ reg:
+ minItems: 1
+ maxItems: 2
+ items:
+ - description:
+ Register block of mhdptx apb registers upto PHY mapped area(AUX_CONFIG_P).
+ The AUX and PMA registers are mapped to associated phy driver.
+ - description:
+ Register block for DSS_EDP0_INTG_CFG_VP registers in case of TI J7 SoCs.
+
+ reg-names:
+ minItems: 1
+ maxItems: 2
+ items:
+ - const: mhdptx
+ - const: j721e-intg
+
+ phys:
+ description: see the Documentation/devicetree/bindings/phy/phy-cadence-torrent.yaml
+
+ phy-names:
+ const: dpphy
+
+ ports:
+ type: object
+ description:
+ Ports as described in Documentation/devicetree/bindings/graph.txt
+ properties:
+ '#address-cells':
+ const: 1
+ '#size-cells':
+ const: 0
+ port@0:
+ description:
+ input port representing the DP bridge input
+
+ port@1:
+ description:
+ output port representing the DP bridge output
+ required:
+ - port@0
+ - port@1
+ - '#address-cells'
+ - '#size-cells'
+
+required:
+ - compatible
+ - clocks
+ - reg
+ - phys
+ - phy-names
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ mhdp: dp-bridge@f0fb000000 {
+ compatible = "cdns,mhdp8546";
+ reg = <0xf0 0xfb000000 0x0 0x1000000>,
+ <0xf0 0xfc000000 0x0 0x2000000>;
+ clocks = <&mhdp_clock>;
+ phys = <&dp_phy>;
+ phy-names = "dpphy";
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ dp_bridge_input: endpoint {
+ remote-endpoint = <&xxx_dpi_output>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ dp_bridge_output: endpoint {
+ remote-endpoint = <&xxx_dp_connector_input>;
+ };
+ };
+ };
+ };
+...
--
2.7.4
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