From: Guenter Roeck <linux@roeck-us.net>
To: Rob Herring <robh@kernel.org>
Cc: Wim Van Sebroeck <wim@linux-watchdog.org>,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
Fu Wei <fu.wei@linaro.org>,
linux-watchdog@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: watchdog: Convert arm,sbsa-gwdt to DT schema
Date: Wed, 9 Jun 2021 12:03:41 -0700 [thread overview]
Message-ID: <20210609190341.GB2534956@roeck-us.net> (raw)
In-Reply-To: <20210607194022.3095736-1-robh@kernel.org>
On Mon, Jun 07, 2021 at 02:40:22PM -0500, Rob Herring wrote:
> Convert the arm,sbsa-gwdt binding to DT schema format.
>
> Cc: Wim Van Sebroeck <wim@linux-watchdog.org>
> Cc: Guenter Roeck <linux@roeck-us.net>
> Cc: Fu Wei <fu.wei@linaro.org>
> Cc: linux-watchdog@vger.kernel.org
> Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Guenter Roeck <linux@roeck-us.net>
> ---
> .../bindings/watchdog/arm,sbsa-gwdt.yaml | 51 +++++++++++++++++++
> .../bindings/watchdog/sbsa-gwdt.txt | 31 -----------
> 2 files changed, 51 insertions(+), 31 deletions(-)
> create mode 100644 Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml
> delete mode 100644 Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt
>
> diff --git a/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml b/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml
> new file mode 100644
> index 000000000000..6bfa46353c4e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml
> @@ -0,0 +1,51 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/arm,sbsa-gwdt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: SBSA (Server Base System Architecture) Generic Watchdog
> +
> +maintainers:
> + - Fu Wei <fu.wei@linaro.org>
> +
> +description: |
> + The SBSA Generic Watchdog Timer is used to force a reset of the system after
> + two stages of timeout have elapsed. A detailed definition of the watchdog
> + timer can be found in the ARM document: ARM-DEN-0029 - Server Base System
> + Architecture (SBSA)
> +
> +allOf:
> + - $ref: watchdog.yaml#
> +
> +properties:
> + compatible:
> + const: arm,sbsa-gwdt
> +
> + reg:
> + items:
> + - description: Watchdog control frame
> + - description: Refresh frame
> +
> + interrupts:
> + description: The Watchdog Signal 0 (WS0) SPI (Shared Peripheral Interrupt)
> + maxItems: 1
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> +
> +unevaluatedProperties: false
> +
> +examples:
> + - |
> +
> + watchdog@2a440000 {
> + compatible = "arm,sbsa-gwdt";
> + reg = <0x2a440000 0x1000>,
> + <0x2a450000 0x1000>;
> + interrupts = <0 27 4>;
> + timeout-sec = <30>;
> + };
> +...
> diff --git a/Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt b/Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt
> deleted file mode 100644
> index 6f2d5f91964d..000000000000
> --- a/Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -* SBSA (Server Base System Architecture) Generic Watchdog
> -
> -The SBSA Generic Watchdog Timer is used to force a reset of the system
> -after two stages of timeout have elapsed. A detailed definition of the
> -watchdog timer can be found in the ARM document: ARM-DEN-0029 - Server
> -Base System Architecture (SBSA)
> -
> -Required properties:
> -- compatible: Should at least contain "arm,sbsa-gwdt".
> -
> -- reg: Each entry specifies the base physical address of a register frame
> - and the length of that frame; currently, two frames must be defined,
> - in this order:
> - 1: Watchdog control frame;
> - 2: Refresh frame.
> -
> -- interrupts: Should contain the Watchdog Signal 0 (WS0) SPI (Shared
> - Peripheral Interrupt) number of SBSA Generic Watchdog.
> -
> -Optional properties
> -- timeout-sec: Watchdog timeout values (in seconds).
> -
> -Example for FVP Foundation Model v8:
> -
> -watchdog@2a440000 {
> - compatible = "arm,sbsa-gwdt";
> - reg = <0x0 0x2a440000 0 0x1000>,
> - <0x0 0x2a450000 0 0x1000>;
> - interrupts = <0 27 4>;
> - timeout-sec = <30>;
> -};
> --
> 2.27.0
>
prev parent reply other threads:[~2021-06-09 19:04 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-06-07 19:40 [PATCH] dt-bindings: watchdog: Convert arm,sbsa-gwdt to DT schema Rob Herring
2021-06-09 19:03 ` Guenter Roeck [this message]
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