linux-hardening - Re: [PATCH v7 1/2] dt-bindings: i3c: Add adi-i3c-master

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Message-ID: <aK3XIUpVZYmHGiUz@lizhi-Precision-Tower-5810>
Date: Tue, 26 Aug 2025 11:47:45 -0400
From: Frank Li <Frank.li@....com>
To: Jorge Marques <jorge.marques@...log.com>
Cc: Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>, Kees Cook <kees@...nel.org>,
	"Gustavo A. R. Silva" <gustavoars@...nel.org>,
	linux-i3c@...ts.infradead.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, gastmaier@...il.com,
	linux-hardening@...r.kernel.org
Subject: Re: [PATCH v7 1/2] dt-bindings: i3c: Add adi-i3c-master

On Mon, Aug 18, 2025 at 01:51:13PM +0200, Jorge Marques wrote:
> Add bindings doc for ADI I3C Controller IP core, a FPGA synthesizable IP
> core that implements the MIPI I3C Basic controller specification.
> The IP Core is versioned following Semantic Versioning 2.0.0 and
> ADI's open-source HDL guidelines for devicetree bindings and drivers.
>
> Signed-off-by: Jorge Marques <jorge.marques@...log.com>
> ---
>  .../devicetree/bindings/i3c/adi,i3c-master.yaml    | 72 ++++++++++++++++++++++
>  MAINTAINERS                                        |  5 ++
>  2 files changed, 77 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/i3c/adi,i3c-master.yaml b/Documentation/devicetree/bindings/i3c/adi,i3c-master.yaml
> new file mode 100644
> index 0000000000000000000000000000000000000000..fda240f9ee0c73bcbea97f775d6e081fe0c089d9
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/i3c/adi,i3c-master.yaml
> @@ -0,0 +1,72 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
...
> +
> +  clocks:
> +    minItems: 1
> +    items:
> +      - description: The AXI interconnect clock, drives the register map.
> +      - description: |

Needn't | here.

Frank
> +          The secondary clock, drives the internal logic asynchronously to the
> +          register map. The presence of this entry states that the IP Core was
> +          synthesized with a second clock input, and the absence of this entry
> +          indicates a topology where a single clock input drives all the
> +          internal logic.
> +
> +  clock-names:
> +    minItems: 1
> +    items:
> +      - const: axi
> +      - const: i3c
> +
> +  interrupts:
> +    maxItems: 1
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - interrupts
> +
> +allOf:
> +  - $ref: i3c.yaml#
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/interrupt-controller/irq.h>
> +
> +    i3c@...00000 {
> +        compatible = "adi,i3c-master-v1";
> +        reg = <0x44a00000 0x1000>;
> +        interrupts = <3 IRQ_TYPE_LEVEL_HIGH>;
> +        clocks = <&clkc 15>, <&clkc 15>;
> +        clock-names = "axi", "i3c";
> +        #address-cells = <3>;
> +        #size-cells = <0>;
> +
> +        /* I3C and I2C devices */
> +    };
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 35ed8498ab1e9b92b4bce5db9bb64004d80e4b1a..faa50535b514037ddf97309874ec64aac2013cb6 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -11452,6 +11452,11 @@ S:	Maintained
>  F:	Documentation/devicetree/bindings/i3c/aspeed,ast2600-i3c.yaml
>  F:	drivers/i3c/master/ast2600-i3c-master.c
>
> +I3C DRIVER FOR ANALOG DEVICES I3C CONTROLLER IP
> +M:	Jorge Marques <jorge.marques@...log.com>
> +S:	Maintained
> +F:	Documentation/devicetree/bindings/i3c/adi,i3c-master.yaml
> +
>  I3C DRIVER FOR CADENCE I3C MASTER IP
>  M:	Przemysław Gaj <pgaj@...ence.com>
>  S:	Maintained
>
> --
> 2.49.0
>