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authorSimon Glass <sjg@chromium.org>2020-02-03 17:36:14 +0300
committerSimon Glass <sjg@chromium.org>2020-02-06 05:33:46 +0300
commita466db5adb58e486fbd8ae63536b03a70d69f68d (patch)
tree141ac6c6d9268756342e3e5fcf5fb3a4b30a5d80 /doc/device-tree-bindings
parent6be88c72828923f2df8c441ee12f5829e0d06f32 (diff)
downloadu-boot-a466db5adb58e486fbd8ae63536b03a70d69f68d.tar.xz
sandbox: Support changing the LCD colour depth
Add a new device-tree property to control the colour depth. At present we support 16bpp and 32bpp. While we are here, update the code to use livetree. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Anatolij Gustschin <agust@denx.de>
Diffstat (limited to 'doc/device-tree-bindings')
-rw-r--r--doc/device-tree-bindings/video/sandbox-fb.txt6
1 files changed, 5 insertions, 1 deletions
diff --git a/doc/device-tree-bindings/video/sandbox-fb.txt b/doc/device-tree-bindings/video/sandbox-fb.txt
index eb91b30e3f..230d25c23b 100644
--- a/doc/device-tree-bindings/video/sandbox-fb.txt
+++ b/doc/device-tree-bindings/video/sandbox-fb.txt
@@ -2,7 +2,10 @@ Sandbox LCD
===========
This uses the displaymode.txt binding except that only xres and yres are
-required properties.
+required properties. Also an additional optional property is defined:
+
+log2-depth: Log base 2 of the U-Boot display buffer depth (4=16bpp, 5=32bpp).
+ If not provided, a value of 4 is used.
Example:
@@ -10,4 +13,5 @@ Example:
compatible = "sandbox,lcd-sdl";
xres = <800>;
yres = <600>;
+ log2-depth = <5>;
};