Re: [PATCH] dt-bindings: timer: renesas: ostm: Convert to json-schema

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Hi Geert,

Thanks for your patch.

On 2020-04-27 21:32:24 +0200, Geert Uytterhoeven wrote:
> Convert the Renesas OS Timer (OSTM) Device Tree binding documentation to
> json-schema.
> 
> Document missing properties.
> 
> Signed-off-by: Geert Uytterhoeven <geert+renesas@xxxxxxxxx>

Reviewed-by: Niklas Söderlund <niklas.soderlund@xxxxxxxxxxxx>

> ---
> For a clean dtbs_check, this depends on "[PATCH] ARM: dts: r7s9210: Remove
> bogus clock-names from OSTM nodes"
> (https://lore.kernel.org/r/20200427192932.28967-1-geert+renesas@xxxxxxxxx)
> which I intend to queue as a fix for v5.7.
> 
>  .../bindings/timer/renesas,ostm.txt           | 31 ----------
>  .../bindings/timer/renesas,ostm.yaml          | 59 +++++++++++++++++++
>  2 files changed, 59 insertions(+), 31 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/timer/renesas,ostm.txt
>  create mode 100644 Documentation/devicetree/bindings/timer/renesas,ostm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/timer/renesas,ostm.txt b/Documentation/devicetree/bindings/timer/renesas,ostm.txt
> deleted file mode 100644
> index 81a78f8bcf170a82..0000000000000000
> --- a/Documentation/devicetree/bindings/timer/renesas,ostm.txt
> +++ /dev/null
> @@ -1,31 +0,0 @@
> -* Renesas OS Timer (OSTM)
> -
> -The OSTM is a multi-channel 32-bit timer/counter with fixed clock
> -source that can operate in either interval count down timer or free-running
> -compare match mode.
> -
> -Channels are independent from each other.
> -
> -Required Properties:
> -
> -  - compatible: must be one or more of the following:
> -    - "renesas,r7s72100-ostm" for the R7S72100 (RZ/A1) OSTM
> -    - "renesas,r7s9210-ostm" for the R7S9210 (RZ/A2) OSTM
> -    - "renesas,ostm" for any OSTM
> -		This is a fallback for the above renesas,*-ostm entries
> -
> -  - reg: base address and length of the register block for a timer channel.
> -
> -  - interrupts: interrupt specifier for the timer channel.
> -
> -  - clocks: clock specifier for the timer channel.
> -
> -Example: R7S72100 (RZ/A1H) OSTM node
> -
> -	ostm0: timer@fcfec000 {
> -		compatible = "renesas,r7s72100-ostm", "renesas,ostm";
> -		reg = <0xfcfec000 0x30>;
> -		interrupts = <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>;
> -		clocks = <&mstp5_clks R7S72100_CLK_OSTM0>;
> -		power-domains = <&cpg_clocks>;
> -	};
> diff --git a/Documentation/devicetree/bindings/timer/renesas,ostm.yaml b/Documentation/devicetree/bindings/timer/renesas,ostm.yaml
> new file mode 100644
> index 0000000000000000..600d47ab7d58570f
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/timer/renesas,ostm.yaml
> @@ -0,0 +1,59 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/timer/renesas,ostm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Renesas OS Timer (OSTM)
> +
> +maintainers:
> +  - Chris Brandt <chris.brandt@xxxxxxxxxxx>
> +  - Geert Uytterhoeven <geert+renesas@xxxxxxxxx>
> +
> +description:
> +  The OSTM is a multi-channel 32-bit timer/counter with fixed clock source that
> +  can operate in either interval count down timer or free-running compare match
> +  mode.
> +
> +  Channels are independent from each other.
> +
> +properties:
> +  compatible:
> +    items:
> +      - enum:
> +          - renesas,r7s72100-ostm # RZ/A1H
> +          - renesas,r7s9210-ostm  # RZ/A2M
> +      - const: renesas,ostm       # Generic
> +
> +  reg:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  power-domains:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - clocks
> +  - power-domains
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/r7s72100-clock.h>
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +    ostm0: timer@fcfec000 {
> +            compatible = "renesas,r7s72100-ostm", "renesas,ostm";
> +            reg = <0xfcfec000 0x30>;
> +            interrupts = <GIC_SPI 102 IRQ_TYPE_EDGE_RISING>;
> +            clocks = <&mstp5_clks R7S72100_CLK_OSTM0>;
> +            power-domains = <&cpg_clocks>;
> +    };
> -- 
> 2.17.1
> 

-- 
Regards,
Niklas Söderlund



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