From: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
Add documentation for DT properties supported by
ps8640 DSI-eDP converter.
Signed-off-by: Jitao Shi <jitao.shi@xxxxxxxxxxxx>
Acked-by: Rob Herring <robh@xxxxxxxxxx>
Reviewed-by: Philipp Zabel <p.zabel@xxxxxxxxxxxxxx>
Signed-off-by: Ulrich Hecht <uli@xxxxxxxx>
---
Changes since v18:
- No change.
Changes since v17:
- No change.
Changes since v16:
- No change.
Changes since v15:
- No change.
Changes since v14:
- change mode-sel-gpios as optional.
.../devicetree/bindings/display/bridge/ps8640.txt | 44 ++++++++++++++++++++++
1 file changed, 44 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/bridge/ps8640.txt
diff --git a/Documentation/devicetree/bindings/display/bridge/ps8640.txt b/Documentation/devicetree/bindings/display/bridge/ps8640.txt
new file mode 100644
index 0000000..7b13f92
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/ps8640.txt
@@ -0,0 +1,44 @@
+ps8640-bridge bindings
+
+Required properties:
+ - compatible: "parade,ps8640"
+ - reg: first page address of the bridge.
+ - sleep-gpios: OF device-tree gpio specification for PD pin.
+ - reset-gpios: OF device-tree gpio specification for reset pin.
+ - vdd12-supply: OF device-tree regulator specification for 1.2V power.
+ - vdd33-supply: OF device-tree regulator specification for 3.3V power.
+ - ports: The device node can contain video interface port nodes per
+ the video-interfaces bind[1]. For port@0,set the reg = <0> as
+ ps8640 dsi in and port@1,set the reg = <1> as ps8640 eDP out.
+
+Optional properties:
+ - mode-sel-gpios: OF device-tree gpio specification for mode-sel pin.
+[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
+
+Example:
+ edp-bridge@18 {
+ compatible = "parade,ps8640";
+ reg = <0x18>;
+ sleep-gpios = <&pio 116 GPIO_ACTIVE_LOW>;
+ reset-gpios = <&pio 115 GPIO_ACTIVE_LOW>;
+ mode-sel-gpios = <&pio 92 GPIO_ACTIVE_HIGH>;
+ vdd12-supply = <&ps8640_fixed_1v2>;
+ vdd33-supply = <&mt6397_vgp2_reg>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ ps8640_in: endpoint {
+ remote-endpoint = <&dsi0_out>;
+ };
+ };
+ port@1 {
+ reg = <1>;
+ ps8640_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+ };
+ };
--
2.7.4
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