Re: [PATCH v2,2/3] tty/serial: meson_uart: add documentation for the dt-bindings
From: Mark Rutland <hidden>
Date: 2017-03-28 10:06:37
Also in:
linux-amlogic, linux-arm-kernel, lkml
On Tue, Mar 28, 2017 at 11:25:44AM +0200, Helmut Klein wrote:
quoted hunk ↗ jump to hunk
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.txtdiff --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@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";
Please define these explicitly above, e.g.
- clocks: a list of phandle + clock-specifier pairs, one for each entry
in clock names.
- clock-names: contains:
* "xtal" for the baud rate clock
* "core" for the non-AO UARTs (optional)
Thanks,
Mark.
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