From mboxrd@z Thu Jan 1 00:00:00 1970 From: Joshua Henderson Subject: [PATCH v3 09/14] dt/bindings: Add bindings for PIC32 UART driver Date: Thu, 7 Jan 2016 17:00:24 -0700 Message-ID: <1452211389-31025-10-git-send-email-joshua.henderson@microchip.com> References: <1452211389-31025-1-git-send-email-joshua.henderson@microchip.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: In-Reply-To: <1452211389-31025-1-git-send-email-joshua.henderson@microchip.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org Cc: linux-mips@linux-mips.org, ralf@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 UART peripheral found on Microchip PIC32 class devices. Signed-off-by: Andrei Pistirica Signed-off-by: Joshua Henderson Cc: Ralf Baechle Acked-by: Rob Herring --- .../bindings/serial/microchip,pic32-uart.txt | 29 ++++++++++++++++++++ 1 file changed, 29 insertions(+) create mode 100644 Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt diff --git a/Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt b/Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt new file mode 100644 index 0000000..65b38bf6 --- /dev/null +++ b/Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt @@ -0,0 +1,29 @@ +* Microchip Universal Asynchronous Receiver Transmitter (UART) + +Required properties: +- compatible: Should be "microchip,pic32mzda-uart" +- reg: Should contain registers location and length +- interrupts: Should contain interrupt +- clocks: Phandle to the clock. + See: Documentation/devicetree/bindings/clock/clock-bindings.txt +- pinctrl-names: A pinctrl state names "default" must be defined. +- pinctrl-0: Phandle referencing pin configuration of the UART peripheral. + See: Documentation/devicetree/bindings/pinctrl/pinctrl-binding.txt + +Optional properties: +- cts-gpios: CTS pin for UART + +Example: + uart1: serial@1f822000 { + compatible = "microchip,pic32mzda-uart"; + reg = <0x1f822000 0x50>; + interrupts = <112 IRQ_TYPE_LEVEL_HIGH>, + <113 IRQ_TYPE_LEVEL_HIGH>, + <114 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&PBCLK2>; + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_uart1 + &pinctrl_uart1_cts + &pinctrl_uart1_rts>; + cts-gpios = <&gpio1 15 0>; + }; -- 1.7.9.5