diff options
| author | Andrei Pistirica <andrei.pistirica@microchip.com> | 2016-01-14 04:15:42 +0300 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2016-05-13 15:01:56 +0300 |
| commit | 81dfdd39c76dc65f3a0fd5e6a231c3cbca9c49bc (patch) | |
| tree | 979aca2adb798a37168801b4c7169699f7051eb6 | |
| parent | 0c94fa33b4de55a0dcb60519ba04a0fd49da124d (diff) | |
| download | linux-81dfdd39c76dc65f3a0fd5e6a231c3cbca9c49bc.tar.xz | |
dt/bindings: Add bindings for PIC32 UART driver
Document the devicetree bindings for the UART peripheral found on
Microchip PIC32 class devices.
Signed-off-by: Andrei Pistirica <andrei.pistirica@microchip.com>
Signed-off-by: Joshua Henderson <joshua.henderson@microchip.com>
Acked-by: Rob Herring <robh@kernel.org>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>
Cc: Kumar Gala <galak@codeaurora.org>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: devicetree@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/12100/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
| -rw-r--r-- | Documentation/devicetree/bindings/serial/microchip,pic32-uart.txt | 29 |
1 files changed, 29 insertions, 0 deletions
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 000000000000..65b38bf60ae0 --- /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>; + }; |