[PATCH v2, 2/3] tty/serial: meson_uart: add documentation for the dt-bindings
From: Helmut Klein <hidden>
Date: 2017-03-28 09:26:53
Also in:
linux-amlogic, linux-devicetree, lkml
Subsystem:
open firmware and flattened device tree bindings, the rest, tty layer and serial drivers · Maintainers:
Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
Add the documentation for the device tree binding of meson_uart Signed-off-by: Helmut Klein <redacted> --- .../bindings/serial/amlogic,meson_uart.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/amlogic,meson_uart.txt
diff --git a/Documentation/devicetree/bindings/serial/amlogic,meson_uart.txt b/Documentation/devicetree/bindings/serial/amlogic,meson_uart.txt
new file mode 100644
index 000000000000..6f94ba25760d
--- /dev/null
+++ b/Documentation/devicetree/bindings/serial/amlogic,meson_uart.txt@@ -0,0 +1,25 @@ +* Amlogic Meson UART, used in multiple SoCs (e.g. S905, s905X, ...) + +Required properties: +- compatible : "amlogic,meson-uart" +- reg : offset and length of the register set for the device. +- interrupts : device interrupt +- clocks : the baud rate clock for the UART and optionally the core clock for the none AO uarts +e.g. +uart_A: serial at 84c0 { + compatible = "amlogic,meson-uart"; + reg = <0x0 0x84c0 0x0 0x14>; + pinctrl-0 = <&uart_a_pins &uart_a_cts_rts_pins>; + interrupts = <GIC_SPI 26 IRQ_TYPE_EDGE_RISING>; + clocks = <&xtal>, <&clkc CLKID_UART0>; + clock-names = "xtal", "core"; + status = "ok"; +}; + +Note: Each port should have an alias correctly numbered in "aliases" node. + +e.g. +aliases { + serial0 = &uart_AO; + serial1 = &uart_A; +}; --
2.11.0