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From e14ceeadfa5b9d8a41e73edfa416bbe92dd5b20d Mon Sep 17 00:00:00 2001
From: Timon Skerutsch <kernel@diodes-delight.com>
Date: Mon, 13 Nov 2023 22:53:22 +0100
Subject: [PATCH] dt-bindings: display: panel-dsi bindings
Bindings for the panel-dsi specific additions to panel-simple.
Allow for DSI specific bus settings and panel timing
to be define in devicetree. Very similar to panel-dpi.
Signed-off-by: Timon Skerutsch <kernel@diodes-delight.com>
---
.../bindings/display/panel/panel-dsi.yaml | 118 ++++++++++++++++++
1 file changed, 118 insertions(+)
create mode 100644 Documentation/devicetree/bindings/display/panel/panel-dsi.yaml
--- /dev/null
+++ b/Documentation/devicetree/bindings/display/panel/panel-dsi.yaml
@@ -0,0 +1,118 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/display/panel/panel-dsi.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Generic MIPI DSI Panel
+
+maintainers:
+ - Timon Skerutsch <kernel@diodes-delight.com>
+
+allOf:
+ - $ref: panel-common.yaml#
+
+properties:
+ compatible:
+ description:
+ Shall contain a panel specific compatible and "panel-dsi"
+ in that order.
+ items:
+ - {}
+ - const: panel-dsi
+
+ dsi-color-format:
+ description: |
+ The color format used by the panel. Only DSI supported formats are allowed.
+ enum:
+ - RGB888
+ - RGB666
+ - RGB666_PACKED
+ - RGB565
+
+ port:
+ $ref: /schemas/graph.yaml#/$defs/port-base
+ unevaluatedProperties: false
+ description:
+ Panel MIPI DSI input
+
+ properties:
+ endpoint:
+ $ref: /schemas/media/video-interfaces.yaml#
+ unevaluatedProperties: false
+
+ properties:
+ data-lanes: true
+
+ required:
+ - data-lanes
+
+ mode:
+ description: |
+ DSI mode flags. See DSI Specs for details.
+ These are driver independent features of the DSI bus.
+ items:
+ - const: MODE_VIDEO
+ - const: MODE_VIDEO_BURST
+ - const: MODE_VIDEO_SYNC_PULSE
+ - const: MODE_VIDEO_AUTO_VERT
+ - const: MODE_VIDEO_HSE
+ - const: MODE_VIDEO_NO_HFP
+ - const: MODE_VIDEO_NO_HBP
+ - const: MODE_VIDEO_NO_HSA
+ - const: MODE_VSYNC_FLUSH
+ - const: MODE_NO_EOT_PACKET
+ - const: CLOCK_NON_CONTINUOUS
+ - const: MODE_LPM
+ - const: HS_PKT_END_ALIGNED
+
+ reg: true
+ backlight: true
+ enable-gpios: true
+ width-mm: true
+ height-mm: true
+ panel-timing: true
+ power-supply: true
+ reset-gpios: true
+ ddc-i2c-bus: true
+
+required:
+ - panel-timing
+ - reg
+ - power-supply
+ - dsi-color-format
+ - port
+
+additionalProperties: false
+
+examples:
+ - |
+ panel {
+ compatible = "panel-mfgr,generic-dsi-panel","panel-dsi";
+ power-supply = <&vcc_supply>;
+ backlight = <&backlight>;
+ dsi-color-format = "RGB888";
+ reg = <0>;
+ mode = "MODE_VIDEO", "MODE_VIDEO_BURST", "MODE_NO_EOT_PACKET";
+
+ port {
+ panel_dsi_port: endpoint {
+ data-lanes = <1 2>;
+ remote-endpoint = <&dsi_out>;
+ };
+ };
+
+ panel-timing {
+ clock-frequency = <9200000>;
+ hactive = <800>;
+ vactive = <480>;
+ hfront-porch = <8>;
+ hback-porch = <4>;
+ hsync-len = <41>;
+ vback-porch = <2>;
+ vfront-porch = <4>;
+ vsync-len = <10>;
+ };
+ };
+
+...
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