From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joshua Henderson Subject: [PATCH 09/14] DEVICETREE: Add bindings for PIC32 usart driver Date: Fri, 20 Nov 2015 17:17:21 -0700 Message-ID: <1448065205-15762-10-git-send-email-joshua.henderson@microchip.com> References: <1448065205-15762-1-git-send-email-joshua.henderson@microchip.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1448065205-15762-1-git-send-email-joshua.henderson@microchip.com> Sender: linux-mips-bounce@linux-mips.org Errors-to: linux-mips-bounce@linux-mips.org List-help: List-unsubscribe: List-software: Ecartis version 1.0.0 List-subscribe: List-owner: List-post: List-archive: To: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org, Andrei Pistirica , Joshua Henderson , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , devicetree@vger.kernel.org List-Id: devicetree@vger.kernel.org From: Andrei Pistirica Document the devicetree bindings for the USART peripheral found on Microchip PIC32 class devices. Signed-off-by: Andrei Pistirica Signed-off-by: Joshua Henderson --- .../bindings/serial/microchip,pic32-usart.txt | 29 ++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/microchip,pic32-usart.txt diff --git a/Documentation/devicetree/bindings/serial/microchip,pic32-usart.txt b/Documentation/devicetree/bindings/serial/microchip,pic32-usart.txt new file mode 100644 index 0000000..c87321c --- /dev/null +++ b/Documentation/devicetree/bindings/serial/microchip,pic32-usart.txt @@ -0,0 +1,29 @@ +* Microchip Universal Synchronous Asynchronous Receiver/Transmitter (USART) + +Required properties: +- compatible: Should be "microchip,pic32-usart" +- reg: Should contain registers location and length +- interrupts: Should contain interrupt +- pinctrl: Should contain pinctrl for TX/RX/RTS/CTS + +Optional properties: +- microchip,uart-has-rtscts : Indicate the uart has hardware flow control +- rts-gpios: RTS pin for USP-based UART if microchip,uart-has-rtscts +- cts-gpios: CTS pin for USP-based UART if microchip,uart-has-rtscts + +Example: + usart0: serial@1f822000 { + compatible = "microchip,pic32-usart"; + reg = <0x1f822000 0x50>; + interrupts = , + , + ; + pinctrl-names = "default"; + pinctrl-0 = < + &pinctrl_uart1 + &pinctrl_uart1_cts + &pinctrl_uart1_rts>; + microchip,uart-has-rtscts; + cts-gpios = <&pioB 15 0>; + rts-gpios = <&pioD 1 0>; + }; -- 1.7.9.5