From 76cb841cb886eef6b3bee341a2266c76578724ad Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 6 May 2024 03:02:30 +0200 Subject: Adding upstream version 4.19.249. Signed-off-by: Daniel Baumann --- .../devicetree/bindings/auxdisplay/img-ascii-lcd.txt | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) create mode 100644 Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt (limited to 'Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt') diff --git a/Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt b/Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt new file mode 100644 index 000000000..b69bb6899 --- /dev/null +++ b/Documentation/devicetree/bindings/auxdisplay/img-ascii-lcd.txt @@ -0,0 +1,17 @@ +Binding for ASCII LCD displays on Imagination Technologies boards + +Required properties: +- compatible : should be one of: + "img,boston-lcd" + "mti,malta-lcd" + "mti,sead3-lcd" + +Required properties for "img,boston-lcd": +- reg : memory region locating the device registers + +Required properties for "mti,malta-lcd" or "mti,sead3-lcd": +- regmap: phandle of the system controller containing the LCD registers +- offset: offset in bytes to the LCD registers within the system controller + +The layout of the registers & properties of the display are determined +from the compatible string, making this binding somewhat trivial. -- cgit v1.2.3