From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/Documentation/devicetree/bindings/display/atmel/hlcdc-dc.txt | 23 +++++++++++++++++++++++
1 files changed, 23 insertions(+), 0 deletions(-)
diff --git a/kernel/Documentation/devicetree/bindings/display/atmel/hlcdc-dc.txt b/kernel/Documentation/devicetree/bindings/display/atmel/hlcdc-dc.txt
index 82f2acb..0398aec 100644
--- a/kernel/Documentation/devicetree/bindings/display/atmel/hlcdc-dc.txt
+++ b/kernel/Documentation/devicetree/bindings/display/atmel/hlcdc-dc.txt
@@ -15,6 +15,13 @@
to external devices using the OF graph reprensentation (see ../graph.txt).
At least one port node is required.
+Optional properties in grandchild nodes:
+ Any endpoint grandchild node may specify a desired video interface
+ according to ../../media/video-interfaces.txt, specifically
+ - bus-width: recognized values are <12>, <16>, <18> and <24>, and
+ override any output mode selection heuristic, forcing "rgb444",
+ "rgb565", "rgb666" and "rgb888" respectively.
+
Example:
hlcdc: hlcdc@f0030000 {
@@ -50,3 +57,19 @@
#pwm-cells = <3>;
};
};
+
+Example 2: With a video interface override to force rgb565; as above
+but with these changes/additions:
+
+ &hlcdc {
+ hlcdc-display-controller {
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_lcd_base &pinctrl_lcd_rgb565>;
+
+ port@0 {
+ hlcdc_panel_output: endpoint@0 {
+ bus-width = <16>;
+ };
+ };
+ };
+ };
--
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