[PATCH v5 6/7] dt-bindings: Add ANX6345 DP/eDP transmitter binding

Torsten Duwe
2019-11-04T11:06:19Z

The anx6345 is an ultra-low power DisplayPort/eDP transmitter designed
for portable devices.

Add a binding document for it.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Torsten Duwe <duwe@suse.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
---
.../bindings/display/bridge/anx6345.yaml | 102 ++++++++++++++++++++++
1 file changed, 102 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/bridge/anx6345.yaml

diff --git a/Documentation/devicetree/bindings/display/bridge/anx6345.yaml b/Documentation/devicetree/bindings/display/bridge/anx6345.yaml
new file mode 100644
index 000000000000..094e8e8a5faa
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/anx6345.yaml
@@ -0,0 +1,102 @@
+# SPDX-License-Identifier: GPL-2.0
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/anx6345.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Analogix ANX6345 eDP Transmitter Device Tree Bindings
+
+maintainers:
+ - Torsten Duwe <duwe@lst.de>
+
+description: |
+ The ANX6345 is an ultra-low power Full-HD eDP transmitter designed for
+ portable devices.
+
+properties:
+ compatible:
+ const: analogix,anx6345
+
+ reg:
+ maxItems: 1
+ description: base I2C address of the device
+
+ reset-gpios:
+ maxItems: 1
+ description: GPIO connected to active low reset
+
+ dvdd12-supply:
+ maxItems: 1
+ description: Regulator for 1.2V digital core power.
+
+ dvdd25-supply:
+ maxItems: 1
+ description: Regulator for 2.5V digital core power.
+
+ ports:
+ type: object
+
+ properties:
+ port@0:
+ type: object
+ description: |
+ Video port for LVTTL input
+
+ port@1:
+ type: object
+ description: |
+ Video port for eDP output (panel or connector).
+ May be omitted if EDID works reliably.
+
+ required:
+ - port@0
+
+required:
+ - compatible
+ - reg
+ - reset-gpios
+ - dvdd12-supply
+ - dvdd25-supply
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ i2c0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ anx6345: anx6345@38 {
+ compatible = "analogix,anx6345";
+ reg = <0x38>;
+ reset-gpios = <&pio42 1 /* GPIO_ACTIVE_LOW */>;
+ dvdd25-supply = <&reg_dldo2>;
+ dvdd12-supply = <&reg_fldo1>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ anx6345_in: port@0 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <0>;
+ anx6345_in_tcon0: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&tcon0_out_anx6345>;
+ };
+ };
+
+ anx6345_out: port@1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ reg = <1>;
+ anx6345_out_panel: endpoint@0 {
+ reg = <0>;
+ remote-endpoint = <&panel_in_edp>;
+ };
+ };
+ };
+ };
+ };