From mboxrd@z Thu Jan 1 00:00:00 1970 From: Helmut Klein Subject: [PATCH v2, 2/3] tty/serial: meson_uart: add documentation for the dt-bindings Date: Tue, 28 Mar 2017 11:25:44 +0200 Message-ID: <20170328092545.4644-3-hgkr.klein@gmail.com> References: <20170328092545.4644-1-hgkr.klein@gmail.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20170328092545.4644-1-hgkr.klein@gmail.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=m.gmane.org@lists.infradead.org To: robh+dt@kernel.org, mark.rutland@arm.com Cc: devicetree@vger.kernel.org, Helmut Klein , linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org List-Id: devicetree@vger.kernel.org Add the documentation for the device tree binding of meson_uart Signed-off-by: Helmut Klein --- .../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@84c0 { + compatible = "amlogic,meson-uart"; + reg = <0x0 0x84c0 0x0 0x14>; + pinctrl-0 = <&uart_a_pins &uart_a_cts_rts_pins>; + interrupts = ; + 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