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Message-ID: <mhng-607b838d-f2e0-4c14-8274-9d696cbc7e78@palmer-si-x1c4>
Date: Fri, 19 Oct 2018 09:51:59 -0700 (PDT)
From: Palmer Dabbelt <palmer@...ive.com>
To: Paul Walmsley <paul.walmsley@...ive.com>
CC: linux-serial@...r.kernel.org,
Paul Walmsley <paul.walmsley@...ive.com>,
devicetree@...r.kernel.org, linux-riscv@...ts.infradead.org,
linux-kernel@...r.kernel.org, Greg KH <gregkh@...uxfoundation.org>,
robh+dt@...nel.org, mark.rutland@....com, paul@...an.com
Subject: Re: [PATCH 1/2] dt-bindings: serial: add documentation for the SiFive UART driver
On Thu, 18 Oct 2018 16:43:53 PDT (-0700), Paul Walmsley wrote:
> Add DT binding documentation for the Linux driver for the SiFive
> asynchronous serial IP block. Nothing too exotic.
>
> Cc: linux-serial@...r.kernel.org
> Cc: devicetree@...r.kernel.org
> Cc: linux-riscv@...ts.infradead.org
> Cc: linux-kernel@...r.kernel.org
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Mark Rutland <mark.rutland@....com>
> Cc: Palmer Dabbelt <palmer@...ive.com>
> Signed-off-by: Paul Walmsley <paul.walmsley@...ive.com>
> Signed-off-by: Paul Walmsley <paul@...an.com>
> ---
> .../bindings/serial/sifive-serial.txt | 21 +++++++++++++++++++
> 1 file changed, 21 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/serial/sifive-serial.txt
>
> diff --git a/Documentation/devicetree/bindings/serial/sifive-serial.txt b/Documentation/devicetree/bindings/serial/sifive-serial.txt
> new file mode 100644
> index 000000000000..8982338512f5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/serial/sifive-serial.txt
> @@ -0,0 +1,21 @@
> +SiFive asynchronous serial interface (UART)
> +
> +Required properties:
> +
> +- compatible: should be "sifive,fu540-c000-uart0" or "sifive,uart0"
> +- reg: address and length of the register space
> +- interrupt-parent: should contain a phandle pointing to the SoC interrupt
> + controller device node that the UART interrupts are connected to
> +- interrupts: Should contain the UART interrupt identifier
> +- clocks: Should contain a clock identifier for the UART's parent clock
> +
> +
> +Example:
> +
> +uart0: serial@...10000 {
> + compatible = "sifive,uart0";
> + interrupt-parent = <&plic0>;
> + interrupts = <80>;
> + reg = <0x0 0x10010000 0x0 0x1000>;
> + clocks = <&prci PRCI_CLK_TLCLK>;
> +};
Reviewed-by: Palmer Dabbelt <palmer@...ive.com>
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