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/serial/vt8500-uart.txt | 27 ++++++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/vt8500-uart.txt (limited to 'Documentation/devicetree/bindings/serial/vt8500-uart.txt') diff --git a/Documentation/devicetree/bindings/serial/vt8500-uart.txt b/Documentation/devicetree/bindings/serial/vt8500-uart.txt new file mode 100644 index 000000000..2b64e6107 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/vt8500-uart.txt @@ -0,0 +1,27 @@ +* VIA VT8500 and WonderMedia WM8xxx UART Controller + +Required properties: +- compatible: should be "via,vt8500-uart" (for VIA/WonderMedia chips up to and + including WM8850/WM8950), or "wm,wm8880-uart" (for WM8880 and later) + +- reg: base physical address of the controller and length of memory mapped + region. + +- interrupts: hardware interrupt number + +- clocks: shall be the input parent clock phandle for the clock. This should + be the 24Mhz reference clock. + +Aliases may be defined to ensure the correct ordering of the uarts. + +Example: + aliases { + serial0 = &uart0; + }; + + uart0: serial@d8200000 { + compatible = "via,vt8500-uart"; + reg = <0xd8200000 0x1040>; + interrupts = <32>; + clocks = <&clkuart0>; + }; -- cgit v1.2.3