Re: [PATCH v1 1/3] dt-bindings: watchdog: Add watchdog for StarFive

From: Krzysztof Kozlowski
Date: Fri Dec 02 2022 - 05:47:09 EST


On 02/12/2022 10:39, xingu.wu wrote:
> From: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
>
> Add bindings to describe the watchdog for the StarFive SoCs.
>
> Signed-off-by: Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
> ---
> .../bindings/watchdog/starfive,wdt.yaml | 77 +++++++++++++++++++
> 1 file changed, 77 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/watchdog/starfive,wdt.yaml
>
> diff --git a/Documentation/devicetree/bindings/watchdog/starfive,wdt.yaml b/Documentation/devicetree/bindings/watchdog/starfive,wdt.yaml
> new file mode 100644
> index 000000000000..ece3e80153a0
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/starfive,wdt.yaml

Filename should be based on compatible. You do not allow here any other
models... If you intent and you are 100% sure you will grow with new
models, make it maybe a family-based name.


> @@ -0,0 +1,77 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/starfive,wdt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: StarFive Watchdog
> +
> +allOf:
> + - $ref: "watchdog.yaml#"

Drop quotes.

> +
> +maintainers:
> + - Samin Guo <samin.guo@xxxxxxxxxxxxxxxx>
> + - Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
> +
> +properties:
> + compatible:
> + const: starfive,jh7110-wdt
> +
> + reg:
> + maxItems: 1
> +
> + interrupts:
> + maxItems: 1
> +
> + clocks:
> + items:
> + - description: Core clock
> + - description: APB clock
> +
> + clock-names:
> + items:
> + - const: core_clk

Drop _clk

> + - const: apb_clk

Drop _clk

> +
> + resets:
> + items:
> + - description: APB reset
> + - description: Core reset
> +
> + reset-names:
> + items:
> + - const: rst_apb

Drop rst_

> + - const: rst_core

Ditto

> +
> + timeout-sec: true
> +
> +required:
> + - compatible
> + - reg
> + - interrupts
> + - clocks
> + - clock-names
> + - resets
> + - reset-names
> + - timeout-sec
> +
> +additionalProperties: false
> +
> +examples:
> + - |
> + #include <dt-bindings/clock/starfive-jh7110.h>
> + #include <dt-bindings/reset/starfive-jh7110.h>
> +
> + watchdog@13070000 {
> + compatible = "starfive,jh7110-wdt";

Use 4 spaces for example indentation.

> + reg = <0x13070000 0x10000>;
> + interrupts = <68>;
> + clocks = <&syscrg_clk JH7110_SYSCLK_WDT_CORE>,
> + <&syscrg_clk JH7110_SYSCLK_WDT_APB>;
> + clock-names = "core_clk", "apb_clk";
> + resets = <&syscrg_rst JH7110_SYSRST_WDT_APB>,
> + <&syscrg_rst JH7110_SYSRST_WDT_CORE>;
> + reset-names = "rst_apb", "rst_core";
> + timeout-sec = <15>;
> + };
> +

Drop trailing line.

Best regards,
Krzysztof