linux-kernel - Re: [PATCH v2 1/2] dt-bindings: w1: Add YAML DT schema for AMD AXI w1 host and MAINTAINERS entry

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Date:   Thu, 19 Oct 2023 15:30:28 +0100
From:   Conor Dooley <conor@...nel.org>
To:     Kris Chaplin <kris.chaplin@....com>
Cc:     thomas.delev@....com, michal.simek@....com,
        krzysztof.kozlowski@...aro.org, robh+dt@...nel.org,
        conor+dt@...nel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, git@....com
Subject: Re: [PATCH v2 1/2] dt-bindings: w1: Add YAML DT schema for AMD AXI
 w1 host and MAINTAINERS entry

On Thu, Oct 19, 2023 at 07:24:17AM -0700, Kris Chaplin wrote:
> Add YAML DT schema for the AMD AXI w1 host IP.
> 
> This hardware guarantees protocol timing for driving off-board devices such
> as thermal sensors, proms, etc using the 1wire protocol.
> 
> Add MAINTAINERS entry for DT schema.
> 
> Co-developed-by: Thomas Delev <thomas.delev@....com>
> Signed-off-by: Thomas Delev <thomas.delev@....com>
> Signed-off-by: Kris Chaplin <kris.chaplin@....com>
> ---
>  .../bindings/w1/amd,axi-1wire-host.yaml       | 44 +++++++++++++++++++
>  MAINTAINERS                                   |  7 +++
>  2 files changed, 51 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml
> 
> diff --git a/Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml b/Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml
> new file mode 100644
> index 000000000000..ef70fa2c0c5d
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml
> @@ -0,0 +1,44 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/w1/amd,axi-1wire-host.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: AMD AXI 1-wire bus host for programmable logic
> +
> +maintainers:
> +  - Kris Chaplin <kris.chaplin@....com>
> +
> +properties:
> +  compatible:
> +    const: amd,axi-1wire-host

I was happy with it before, and still am I guess, given that there is an
IP version register that can be used to determine which version of the
IP is in use.
Reviewed-by: Conor Dooley <conor.dooley@...rochip.com>

Cheers,
Conor.

> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    maxItems: 1
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - interrupts
> +
> +additionalProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/arm-gic.h>
> +
> +    onewire@...00000 {
> +        compatible = "amd,axi-1wire-host";
> +        reg = <0xa0000000 0x10000>;
> +        clocks = <&zynqmp_clk 0x47>;
> +        interrupts = <GIC_SPI 0x59 IRQ_TYPE_LEVEL_HIGH>;
> +    };
> +
> +...
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 7a7bd8bd80e9..3dacb7ed6e3b 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -890,6 +890,13 @@ Q:	https://patchwork.kernel.org/project/linux-rdma/list/
>  F:	drivers/infiniband/hw/efa/
>  F:	include/uapi/rdma/efa-abi.h
>  
> +AMD AXI W1 DRIVER
> +M:	Kris Chaplin <kris.chaplin@....com>
> +R:	Thomas Delev <thomas.delev@....com>
> +R:	Michal Simek <michal.simek@....com>
> +S:	Maintained
> +F:	Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml
> +
>  AMD CDX BUS DRIVER
>  M:	Nipun Gupta <nipun.gupta@....com>
>  M:	Nikhil Agarwal <nikhil.agarwal@....com>
> -- 
> 2.42.GIT
> 

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