From 76ec6ced300a213163e6dc6e9ad6bf78cb648c4d Mon Sep 17 00:00:00 2001
From: Dietmar Muscholik <dietmar.muscholik@seco.com>
Date: Thu, 27 Feb 2025 09:39:21 +0000
Subject: [PATCH] [DRIVER] Update documentation of ptn3460 driver
---
.../display/bridge/seco-pn3460-qcom.txt | 59 ++++++++++++++++++-
1 file changed, 57 insertions(+), 2 deletions(-)
diff --git a/Documentation/devicetree/bindings/display/bridge/seco-pn3460-qcom.txt b/Documentation/devicetree/bindings/display/bridge/seco-pn3460-qcom.txt
index d47464145f3d1..0cb40bee65fec 100644
--- a/Documentation/devicetree/bindings/display/bridge/seco-pn3460-qcom.txt
+++ b/Documentation/devicetree/bindings/display/bridge/seco-pn3460-qcom.txt
@@ -14,14 +14,69 @@ Properties
- width = <int>: panel width
- height = <int>: panel height
- data-mapping = "vesa24" | "jeida-24" | "jeida-18"
-- panel-timing: panel timing, see display-timings.yaml
+- panel-timing: panel timing,
+ see Documentation/devicetree/bindings/display/panel/display-timings.yaml
+- dual-lvds: boolean, use dul-lvds if set
+- port@0: input port for the bridge
+ see https://github.com/devicetree-org/dt-schema/blob/main/dtschema/schemas/graph.yaml
If no panel-timing is defined edid-emulation selects one of the
7 EDIDs preconfigured in the bridge.
+Ports are not used by the driver itself. Nevertheless the input port
+defines a dependance of devices for the purpose an endpoint can defer
+it's probe until the bridge is probed.
+
+
Required
--------
- compatible
- reg
- reset-gpios
-- hpd-gpios
+
+
+Examples
+--------
+&i2c13 {
+ edp2lvds: ptn3460@60 {
+ compatible = "seco,ptn3460-qcom";
+ reg = <0x60>; // DEV_CFG is floating
+ powerdown-gpios = <&tlmm 46 0>;
+ reset-gpios = <&tlmm 44 0>;
+ hpd-gpios = <&stm32 3 (GPIO_PUSH_PULL | GPIO_ACTIVE_HIGH)>;
+ lvds-enable-gpios = <LCD0_VDD_EN (GPIO_PUSH_PULL | GPIO_ACTIVE_HIGH)>;
+ edid-emulation = <0>;
+ status = "disabled";
+
+ panel-timing {
+ clock-frequency = <71100000>;
+ hactive = <1280>;
+ hfront-porch = <75>;
+ hsync-len = <10>;
+ hback-porch = <75>;
+ //htotal = <1440>;
+
+ vactive = <800>;
+ vfront-porch = <10>;
+ vsync-len = <3>;
+ vback-porch = <10>;
+ //vtotal = <823>;
+
+ vsync-active = <0>;
+ hsync-active = <0>;
+ de-active = <1>;
+ pixelclk-active = <1>;
+ };
+
+ ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 {
+ reg = <0>;
+ edp2lvds_in: endpoint {
+ remote-endpoint = <&mdss_edp0_out>;
+ };
+ };
+ };
+ };
+};
--
GitLab