[PATCH 1/2] dt-bindings: i3c: Add adi-i3c-master

[Jorge Marques]

Hi Frank,

On Wed, Jun 04, 2025 at 02:36:31PM -0400, Frank Li wrote:
> On Wed, Jun 04, 2025 at 05:48:57PM +0200, Jorge Marques wrote:
> > Add nodes for ADI I3C Controller IP core.
> 
> Add binding doc for ...
> 
> >
> > Signed-off-by: Jorge Marques <jorge.marques at analog.com>
> > ---
> >  .../devicetree/bindings/i3c/adi,i3c-master.yaml    | 63 ++++++++++++++++++++++
> >  MAINTAINERS                                        |  5 ++
> >  2 files changed, 68 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..859dbfde15f123db59d7aa46c120c4a3ac05198e
> > --- /dev/null
> > +++ b/Documentation/devicetree/bindings/i3c/adi,i3c-master.yaml
> > @@ -0,0 +1,63 @@
> > +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> > +%YAML 1.2
> > +---
> > +$id: http://devicetree.org/schemas/i3c/adi,i3c-master.yaml#
> > +$schema: http://devicetree.org/meta-schemas/core.yaml#
> > +
> > +title: Analog Devices I3C Controller
> > +
> > +description: |
> > +  The ADI I3C controller implements a subset of the I3C-basic specification to
> > +  interface I3C and I2C peripherals [1].
> > +
> > +  [1] https://analogdevicesinc.github.io/hdl/library/i3c_controller
> > +
> > +maintainers:
> > +  - Jorge Marques <jorge.marques at analog.com>
> > +
> > +allOf:
> > +  - $ref: i3c.yaml#
> > +
> 
> New binding, generally, allOf between required and unevaluatedProperties
> 

Ack.
> > +properties:
> > +  compatible:
> > +    const: adi,i3c-master
> > +
> > +  reg:
> > +    maxItems: 1
> > +
> > +  clocks:
> > +    minItems: 1
> > +    items:
> > +      - description: The AXI interconnect clock.
> > +      - description: The I3C controller clock.
> > +
> > +  clock-names:
> > +    items:
> > +      - const: s_axi_aclk
> > +      - const: i3c_clk
> 
> Needn't _clk surfix,
> 
> - const: axi
> - const: i3c
> 
> Frank

Ack.

Best Regards,
Jorge
> > +
> > +  interrupts:
> > +    maxItems: 1
> > +
> > +required:
> > +  - compatible
> > +  - reg
> > +  - clocks
> > +  - clock-names
> > +  - interrupts
> > +
> > +unevaluatedProperties: false
> > +
> > +examples:
> > +  - |
> > +    i3c at 44a00000 {
> > +        compatible = "adi,i3c-master";
> > +        reg = <0x44a00000 0x1000>;
> > +        interrupts = <0 56 4>;
> > +        clocks = <&clkc 15>, <&clkc 15>;
> > +        clock-names = "s_axi_aclk", "i3c_clk";
> > +        #address-cells = <3>;
> > +        #size-cells = <0>;
> > +
> > +        /* I3C and I2C devices */
> > +    };
> > diff --git a/MAINTAINERS b/MAINTAINERS
> > index 96b82704950184bd71623ff41fc4df31e4c7fe87..6f56e17dcecf902c6812827c1ec3e067c65e9894 100644
> > --- a/MAINTAINERS
> > +++ b/MAINTAINERS
> > @@ -11243,6 +11243,11 @@ 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 at analog.com>
> > +S:	Maintained
> > +F:	Documentation/devicetree/bindings/i3c/adi,i3c-master.yaml
> > +
> >  I3C DRIVER FOR CADENCE I3C MASTER IP
> >  M:	Przemysław Gaj <pgaj at cadence.com>
> >  S:	Maintained
> >
> > --
> > 2.49.0
> >
> 
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