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Message-Id: <20211007081930.84653-1-angelogioacchino.delregno@collabora.com>
Date: Thu, 7 Oct 2021 10:19:30 +0200
From: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
To: robh+dt@...nel.org
Cc: airlied@...ux.ie, daniel@...ll.ch, ajaykumar.rs@...sung.com,
dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
Subject: [PATCH] dt-bindings: display/bridge: ps8622: Convert to YAML binding
Convert the Parade PS8622 eDP/DP to LVDS bridge documentation to YAML.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
---
.../display/bridge/parade,ps8622.yaml | 102 ++++++++++++++++++
.../bindings/display/bridge/ps8622.txt | 31 ------
2 files changed, 102 insertions(+), 31 deletions(-)
create mode 100644 Documentation/devicetree/bindings/display/bridge/parade,ps8622.yaml
delete mode 100644 Documentation/devicetree/bindings/display/bridge/ps8622.txt
diff --git a/Documentation/devicetree/bindings/display/bridge/parade,ps8622.yaml b/Documentation/devicetree/bindings/display/bridge/parade,ps8622.yaml
new file mode 100644
index 000000000000..dda9ceeac60c
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/bridge/parade,ps8622.yaml
@@ -0,0 +1,102 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/bridge/parade,ps8622.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Parade PS8622 eDP/DP to LVDS bridge
+
+maintainers:
+ - Ajay Kumar <ajaykumar.rs@...sung.com>
+
+properties:
+ compatible:
+ enum:
+ - parade,ps8622
+ - parade,ps8625
+
+ reg:
+ description: I2C address of the bridge
+ maxItems: 1
+
+ lane-count:
+ $ref: "/schemas/types.yaml#/definitions/uint32"
+ description: Number of DP lanes to use
+ maxItems: 1
+
+ use-external-pwm:
+ type: boolean
+ description: Backlight controlled by an external PWM
+
+ sleep-gpios:
+ description: GPIO connected to the PD_ signal.
+ maxItems: 1
+
+ reset-gpios:
+ description: GPIO connected to the RST_ signal.
+ maxItems: 1
+
+ ports:
+ $ref: /schemas/graph.yaml#/properties/ports
+
+ properties:
+ port@0:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Video port for LVDS output
+
+ port@1:
+ $ref: /schemas/graph.yaml#/properties/port
+ description:
+ Video port for eDP input
+
+ required:
+ - port@0
+ - port@1
+
+required:
+ - compatible
+ - reg
+ - sleep-gpios
+ - reset-gpios
+ - ports
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/gpio/gpio.h>
+
+ i2c1 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ bridge@48 {
+ compatible = "parade,ps8622";
+ reg = <0x48>;
+ lane-count = <1>;
+ sleep-gpios = <&gpc3 5 GPIO_ACTIVE_HIGH>;
+ reset-gpios = <&gpy7 7 GPIO_ACTIVE_HIGH>;
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ port@0 {
+ reg = <0>;
+ bridge_out: endpoint {
+ remote-endpoint = <&panel_in>;
+ };
+ };
+
+ port@1 {
+ reg = <1>;
+ bridge_in: endpoint {
+ remote-endpoint = <&dp_out>;
+ };
+ };
+ };
+ };
+ };
+
+...
diff --git a/Documentation/devicetree/bindings/display/bridge/ps8622.txt b/Documentation/devicetree/bindings/display/bridge/ps8622.txt
deleted file mode 100644
index c989c3807f2b..000000000000
--- a/Documentation/devicetree/bindings/display/bridge/ps8622.txt
+++ /dev/null
@@ -1,31 +0,0 @@
-ps8622-bridge bindings
-
-Required properties:
- - compatible: "parade,ps8622" or "parade,ps8625"
- - reg: first i2c address of the bridge
- - sleep-gpios: OF device-tree gpio specification for PD_ pin.
- - reset-gpios: OF device-tree gpio specification for RST_ pin.
-
-Optional properties:
- - lane-count: number of DP lanes to use
- - use-external-pwm: backlight will be controlled by an external PWM
- - video interfaces: Device node can contain video interface port
- nodes for panel according to [1].
-
-[1]: Documentation/devicetree/bindings/media/video-interfaces.txt
-
-Example:
- lvds-bridge@48 {
- compatible = "parade,ps8622";
- reg = <0x48>;
- sleep-gpios = <&gpc3 6 1 0 0>;
- reset-gpios = <&gpc3 1 1 0 0>;
- lane-count = <1>;
- ports {
- port@0 {
- bridge_out: endpoint {
- remote-endpoint = <&panel_in>;
- };
- };
- };
- };
--
2.33.0
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