linux-kernel - RE: [PATCH 08/12] dt-bindings: i2c: renesas,riic: Document the R9A08G045 support

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Message-ID:
 <TY3PR01MB11346105D3D3DD46AEF8CD44986C92@TY3PR01MB11346.jpnprd01.prod.outlook.com>
Date: Fri, 21 Jun 2024 12:34:38 +0000
From: Biju Das <biju.das.jz@...renesas.com>
To: Claudiu.Beznea <claudiu.beznea@...on.dev>, Chris Brandt
	<Chris.Brandt@...esas.com>, "andi.shyti@...nel.org" <andi.shyti@...nel.org>,
	"robh@...nel.org" <robh@...nel.org>, "krzk+dt@...nel.org"
	<krzk+dt@...nel.org>, "conor+dt@...nel.org" <conor+dt@...nel.org>,
	"geert+renesas@...der.be" <geert+renesas@...der.be>, "magnus.damm@...il.com"
	<magnus.damm@...il.com>, "mturquette@...libre.com" <mturquette@...libre.com>,
	"sboyd@...nel.org" <sboyd@...nel.org>, "p.zabel@...gutronix.de"
	<p.zabel@...gutronix.de>, "wsa+renesas@...g-engineering.com"
	<wsa+renesas@...g-engineering.com>
CC: "linux-renesas-soc@...r.kernel.org" <linux-renesas-soc@...r.kernel.org>,
	"linux-i2c@...r.kernel.org" <linux-i2c@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-clk@...r.kernel.org" <linux-clk@...r.kernel.org>, Claudiu.Beznea
	<claudiu.beznea@...on.dev>, Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
Subject: RE: [PATCH 08/12] dt-bindings: i2c: renesas,riic: Document the
 R9A08G045 support

Hi Claudiu,

> -----Original Message-----
> From: Claudiu <claudiu.beznea@...on.dev>
> Sent: Friday, June 21, 2024 12:23 PM
> Subject: [PATCH 08/12] dt-bindings: i2c: renesas,riic: Document the R9A08G045 support
> 
> From: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> 
> Document the Renesas RZ/G3S (R9A08G045) RIIC IP. This is compatible with the version available on
> Renesas RZ/V2H (R9A09G075). Most of the IP variants that the RIIC driver is working with supports
> fast mode plus.
> However, it happens that on the same SoC to have IP instatiations that support fast mode plus as
> well as IP instantiation that doesn't support it. For this, introduced the renesas,riic-no-fast-
> mode-plus property.
> 
> Signed-off-by: Claudiu Beznea <claudiu.beznea.uj@...renesas.com>
> ---
>  Documentation/devicetree/bindings/i2c/renesas,riic.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
> b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
> index 91ecf17b7a81..c0964edbca69 100644
> --- a/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
> +++ b/Documentation/devicetree/bindings/i2c/renesas,riic.yaml
> @@ -25,6 +25,10 @@ properties:
>                - renesas,riic-r9a07g054  # RZ/V2L
>            - const: renesas,riic-rz      # RZ/A or RZ/G2L
> 
> +      - items:
> +          - const: renesas,riic-r9a08g045   # RZ/G3S
> +          - const: renesas,riic-r9a09g057
> +
>        - const: renesas,riic-r9a09g057   # RZ/V2H(P)
> 
>    reg:
> @@ -66,6 +70,10 @@ properties:
>    resets:
>      maxItems: 1
> 
> +  renesas,riic-no-fast-mode-plus:
> +    description: specifies if fast mode plus is not supported
> +    type: Boolean

Can't this info, as part of device data?? Based on frequency and device data
is enough to derive this info??

Cheers,
Biju

> +
>  required:
>    - compatible
>    - reg
> --
> 2.39.2
>